Uh-oh - Forum Is Offline More Than On
Today, March 10, 2010, the Adobe fora are offline, more than online. In the past, this has signaled something being done - updates, etc. Usually after these, log-ins are smurfed, screen names are changed, line-breaks appear without direction or warning, things do not work right any more.
Maybe they are just reinstating the Attach File capability, but now I look to this as a bad sign - as John Fogerty crooned, Bad Moon Rising.
Will be interesting to see what tomorrow brings. I will be interested to see what has changed.
Hunt
I see
m to be having so
me unusual (I mean
different) jivew
are probl
ems here...
Mar 6, 2010 6:28 PM
Uh-oh - Forum Is Offline More Than On
Today, March 10, 2010,
Looks to me like Hunt was merely subconsciously preempting the next Jive bug. Oh wait, sorry, dates not matching up (with thread "last post" dates I believe) is an old bug.
Never mind.
This 'jivesite' is so jived up...
Similar Messages
-
Row chaining in table with more than 255 columns
Hi,
I have a table with 1000 columns.
I saw the following citation: "Any table with more then 255 columns will have chained
rows (we break really wide tables up)."
If I insert a row populated with only the first 3 columns (the others are null), is a row chaining occurred?
I tried to insert a row described above and no row chaining occurred.
As I understand, a row chaining occurs in a table with 1000 columns only when the populated data increases
the block size OR when more than 255 columns are populated. Am I right?
Thanks
dyahavuser10952094 wrote:
Hi,
I have a table with 1000 columns.
I saw the following citation: "Any table with more then 255 columns will have chained
rows (we break really wide tables up)."
If I insert a row populated with only the first 3 columns (the others are null), is a row chaining occurred?
I tried to insert a row described above and no row chaining occurred.
As I understand, a row chaining occurs in a table with 1000 columns only when the populated data increases
the block size OR when more than 255 columns are populated. Am I right?
Thanks
dyahavYesterday, I stated this on the forum "Tables with more than 255 columns will always have chained rows." My statement needs clarification. It was based on the following:
http://download.oracle.com/docs/cd/B28359_01/server.111/b28318/schema.htm#i4383
"Oracle Database can only store 255 columns in a row piece. Thus, if you insert a row into a table that has 1000 columns, then the database creates 4 row pieces, typically chained over multiple blocks."
And this paraphrase from "Practical Oracle 8i":
V$SYSSTAT will show increasing values for CONTINUED ROW FETCH as table rows are read for tables containing more than 255 columns.
Related information may also be found here:
http://download.oracle.com/docs/cd/B10501_01/server.920/a96524/c11schem.htm
"When a table has more than 255 columns, rows that have data after the 255th column are likely to be chained within the same block. This is called intra-block chaining. A chained row's pieces are chained together using the rowids of the pieces. With intra-block chaining, users receive all the data in the same block. If the row fits in the block, users do not see an effect in I/O performance, because no extra I/O operation is required to retrieve the rest of the row."
http://download.oracle.com/docs/html/B14340_01/data.htm
"For a table with several columns, the key question to consider is the (average) row length, not the number of columns. Having more than 255 columns in a table built with a smaller block size typically results in intrablock chaining.
Oracle stores multiple row pieces in the same block, but the overhead to maintain the column information is minimal as long as all row pieces fit in a single data block. If the rows don't fit in a single data block, you may consider using a larger database block size (or use multiple block sizes in the same database). "
Why not a test case?
Create a test table named T4 with 1000 columns.
With the table created, insert 1,000 rows into the table, populating the first 257 columns each with a random 3 byte string which should result in an average row length of about 771 bytes.
SPOOL C:\TESTME.TXT
SELECT
SN.NAME,
MS.VALUE
FROM
V$MYSTAT MS,
V$STATNAME SN
WHERE
SN.NAME = 'table fetch continued row'
AND SN.STATISTIC#=MS.STATISTIC#;
INSERT INTO T4 (
COL1,
COL2,
COL3,
COL255,
COL256,
COL257)
SELECT
DBMS_RANDOM.STRING('A',3),
DBMS_RANDOM.STRING('A',3),
DBMS_RANDOM.STRING('A',3),
DBMS_RANDOM.STRING('A',3)
FROM
DUAL
CONNECT BY
LEVEL<=1000;
SELECT
SN.NAME,
MS.VALUE
FROM
V$MYSTAT MS,
V$STATNAME SN
WHERE
SN.NAME = 'table fetch continued row'
AND SN.STATISTIC#=MS.STATISTIC#;
SET AUTOTRACE TRACEONLY STATISTICS
SELECT
FROM
T4;
SET AUTOTRACE OFF
SELECT
SN.NAME,
SN.STATISTIC#,
MS.VALUE
FROM
V$MYSTAT MS,
V$STATNAME SN
WHERE
SN.NAME = 'table fetch continued row'
AND SN.STATISTIC#=MS.STATISTIC#;
SPOOL OFFWhat are the results of the above?
Before the insert:
NAME VALUE
table fetch continue 166
After the insert:
NAME VALUE
table fetch continue 166
After the select:
NAME STATISTIC# VALUE
table fetch continue 252 332 Another test, this time with an average row length of about 12 bytes:
DELETE FROM T4;
COMMIT;
SPOOL C:\TESTME2.TXT
SELECT
SN.NAME,
MS.VALUE
FROM
V$MYSTAT MS,
V$STATNAME SN
WHERE
SN.NAME = 'table fetch continued row'
AND SN.STATISTIC#=MS.STATISTIC#;
INSERT INTO T4 (
COL1,
COL256,
COL257,
COL999)
SELECT
DBMS_RANDOM.STRING('A',3),
DBMS_RANDOM.STRING('A',3),
DBMS_RANDOM.STRING('A',3),
DBMS_RANDOM.STRING('A',3)
FROM
DUAL
CONNECT BY
LEVEL<=100000;
SELECT
SN.NAME,
MS.VALUE
FROM
V$MYSTAT MS,
V$STATNAME SN
WHERE
SN.NAME = 'table fetch continued row'
AND SN.STATISTIC#=MS.STATISTIC#;
SET AUTOTRACE TRACEONLY STATISTICS
SELECT
FROM
T4;
SET AUTOTRACE OFF
SELECT
SN.NAME,
SN.STATISTIC#,
MS.VALUE
FROM
V$MYSTAT MS,
V$STATNAME SN
WHERE
SN.NAME = 'table fetch continued row'
AND SN.STATISTIC#=MS.STATISTIC#;
SPOOL OFFWith 100,000 rows each containing about 12 bytes, what should the 'table fetch continued row' statistic show?
Before the insert:
NAME VALUE
table fetch continue 332
After the insert:
NAME VALUE
table fetch continue 332
After the select:
NAME STATISTIC# VALUE
table fetch continue 252 33695The final test only inserts data into the first 4 columns:
DELETE FROM T4;
COMMIT;
SPOOL C:\TESTME3.TXT
SELECT
SN.NAME,
MS.VALUE
FROM
V$MYSTAT MS,
V$STATNAME SN
WHERE
SN.NAME = 'table fetch continued row'
AND SN.STATISTIC#=MS.STATISTIC#;
INSERT INTO T4 (
COL1,
COL2,
COL3,
COL4)
SELECT
DBMS_RANDOM.STRING('A',3),
DBMS_RANDOM.STRING('A',3),
DBMS_RANDOM.STRING('A',3),
DBMS_RANDOM.STRING('A',3)
FROM
DUAL
CONNECT BY
LEVEL<=100000;
SELECT
SN.NAME,
MS.VALUE
FROM
V$MYSTAT MS,
V$STATNAME SN
WHERE
SN.NAME = 'table fetch continued row'
AND SN.STATISTIC#=MS.STATISTIC#;
SET AUTOTRACE TRACEONLY STATISTICS
SELECT
FROM
T4;
SET AUTOTRACE OFF
SELECT
SN.NAME,
SN.STATISTIC#,
MS.VALUE
FROM
V$MYSTAT MS,
V$STATNAME SN
WHERE
SN.NAME = 'table fetch continued row'
AND SN.STATISTIC#=MS.STATISTIC#;
SPOOL OFFWhat should the 'table fetch continued row' show?
Before the insert:
NAME VALUE
table fetch continue 33695
After the insert:
NAME VALUE
table fetch continue 33695
After the select:
NAME STATISTIC# VALUE
table fetch continue 252 33695 My statement "Tables with more than 255 columns will always have chained rows." needs to be clarified:
"Tables with more than 255 columns will always have chained rows +(row pieces)+ if a column beyond column 255 is used, but the 'table fetch continued row' statistic +may+ only increase in value if the remaining row pieces are found in a different block."
Charles Hooper
IT Manager/Oracle DBA
K&M Machine-Fabricating, Inc.
Edited by: Charles Hooper on Aug 5, 2009 9:52 AM
Paraphrase misspelled the view name "V$SYSSTAT", corrected a couple minor typos, and changed "will" to "may" in the closing paragraph as this appears to be the behavior based on the test case. -
How can I represent more than one plot in an only one chart?
Hello everyone,
i got a code where I don't understand how to represent more than two plots, with different scales each, in the same waveform chart.
As brief review:
* 2 adquisition data wired to Bundle
* wire from Bundle to waveform chart.
* options of th chart: stack plots.
I've tried to expand the Bundle but the problem is that I'm wiring a 3 element cluster to a 2element cluster chart. I don't understand how to upgrade the chart...
(there's the two plots in each chart)
(there's the code, where I've already tried expanding any bundle and wiring other signals, then wiring the bundle's output to the chart)
I think if I could add more scales, it will be possible to plot three plots on the same chart.
Thank you for your time
Marcelo A JSince you are dealing with waveforms already, I think you actually want to have an array of waveforms to go into your chart. You also need to map the plots to the scale that you want to use. You can do that in the plot tab of the properties window.
There are only two ways to tell somebody thanks: Kudos and Marked Solutions
Unofficial Forum Rules and Guidelines -
Help - I need more than 1000 Notes of 4000 characters
The 4000 character limitation of Notes and the limitation of 1000 Notes and the length of time it takes to load in Notes make using iPod notes very limiting. I've experimented with a few other options which I explain below, BUT MY QUESTION IS does anyone have any other suggestions on how to work around the 4000 character limitation?
Here is what I have found to be alternative options:
Split your notes into 4000 character blocks using the split command (open Terminal and type "man split" to read about the command)
Install Linux on the iPod. This worked with my older iPod but there isn't a Linux for the newer iPod yet.
Using Contacts "note"
Summary: Uses a manually created Contacts file to store text of up to 243,185 characters in length. If creating files manually requires special formatting for linebreaks. Compatible with music playback and iTunes sync.
Contacts are stored on the iPod according to the vCard standard. vCard stores contact entries in vcf files. A single vcf file can contain any number of vCard entries. The iPod firmware looks for the vcf files in the iPod Contacts folder. The Contacts folder can contain any number of vcf files and will load all of them into memory when viewing contacts.
Contacts synchronized with iTunes are stored in the iSync.vcf file.
You can paste your text content into an Address Book entry and sync it to the iPod via iTunes. There may be limits in the Address Book application regarding the amount of text it will allow.
Using any text editor you can create your own vcf files and place them into the Contacts folder as well. Using the org and note attributes in the vCard entry in a vcf file you can create a contact that can display up to 243185 characters of text. A sample vcf file with a single vCard entry would look like this:
begin:vcard
version:3.0
org:Sample Note
note:You can use Contact notes to get around the 4k limitation of iPod notes. Doing so requires some changes in the syntax of the text however because the vCard format is fairly restrictive.\nFor one thing any line breaks must be converted to a backslash followed by lower case n.\nFor another many symbolic characters must be escaped by preceding them with a backslash.
end:vcard
The "org" attribute names the contact, and the "note" attribute contains the text, up to 243,185 characters of text. While a vCard entry can only have a single note attribute, you can have any number of vCard entries in a single vcf file.
One requirement of this approach is that the text must be edited to a format compatible with the vCard standard. That means that all linebreaks in the text must be converted to a backslash "\" followed by "n", and any symbolic characters should be preceded with backslash.
The negatives of this approach are that linebreaks must be altered and the notes are mixed in with your contacts. But to the positive they are still viewable while music is playing, and they are left alone by the iTunes synchronization process.
This method does not interfere with listening to a song. This method is independent of synchronizing with iTunes.
Using the Calendar "description"
Summary: Uses a manually created Calendar file or Calendar entries in iCal to store text of up to 20,600 characters in length per calendar event. If creating files manually requires special formatting for linebreaks. Compatible with music playback. NOT compatible with iTunes sync if using a manually created file.
The iPod supports the vCal standard for displaying calendar information. Version 1.0 of this standard uses vcs files; and version 2.0 of this standard uses ics files. Most calendar programs can export either vcs or ics files and there is plenty of information available online for how to convert data from a calendar application into one of these formats.
The iPod firmware will display the contents of vcs and ics fles that are located in the iPod Calendars folder.
Calendar events defined in the vCal standard have a description attribute. The iPod firmware displays the description attribute when displaying the calendar event. It is possible to create a calendar specifically for the purpose of storing text in description attributes. You could create a calendar in a calendar program such as iCal and sync it with the iPod via iTunes, or you could create your own calendar file manually. Unfortunately if you sync calendars using iTunes then iTunes will delete all files in the Calendars folder that it does not directly control, so maintaining any kind of external calendar file is not compatible with syncing calendars using iTunes.
The iPod can read both vcs and ics calendar files, but for creating your own you should use vcs because vcs doesn't have a line length limit while ics does and requires special line-wrapping. The iPod will display only the first 20600 characters of the event description.
A simple vcs file with a single fake event would look like this:
BEGIN:VCALENDAR
VERSION:1.0
X-WR-CALNAME:Notes Calendar
BEGIN:VEVENT
DTSTART:20070201T220000Z
DTEND:20070201T230000Z
SUMMARY:Sample note
DESCRIPTION;ENCODING=QUOTED-PRINTABLE:=0D=0ALine breaks need to be converted to an equal sign followed by 0D followed by another equals sign followed by 0A. There is no line length limit, so the text can be as long as you need. There may be a reasonable limit imposed by the iPod calendar interface due to scrolling.
END:VEVENT
END:VCALENDAR
Each Calendar in the file is demarcated by the BEGIN:VCALENDAR and END:VCALENDAR statements. The VERSION statement when set to 1.0 indicates a vcs file (2.0 should be used in an ics file). The X-WR-CALNAME statement can be used to indicate a name for the calendar. If no calendar name is specified the iPod uses "Other".
Each Calendar event is demarcated by the BEGIN:VEVENT and END:VEVENT statements. Each event requires start and end times (DTSTART and DTEND, respectively), a SUMMARY which is the event title, and the DESCRIPTION which is the text you wish to read. Linebreaks in the description text must be converted to "=0D=0A".
The negatives of this approach are that linebreaks must be altered and the notes are attached to specific dates in the calendar so to find them you would need to navigate to those dates. Of course you could put all notes on the same date, or use different dates or even different calendars (within the same vcs file or not) to organize them.
This method does not interfere with listening to a song. This method is NOT compatible with syncing Calendars with iTunes if you are using a manually created file.
Using Music Lyrics
Summary: Uses the Lyrics section of fake songs to store text of up to 10,000 characters in length per song. Does not require special formatting of text. Incompatible with music playback. Requires the text to be stored in iTunes.
iTunes allows the lyrics of a song to be attached to the ID3 tags of the song and viewed on the iPod while the song is playing. Technically lyrics can be up to 256 MB in length, but the iPod will only display the first 10000 characters.
Using lyrics allows notes to be sorted into playlists just as songs are which could be helpful for organizing them. To attach lyrics though there must be a song as well. It is possible to create a very small MP3 that can be used just to attach lyrics to. The process for doing so is described in forum message 2331260, but the short story is:
- In the iTunes main library window, select a track you want to chop up, and select "Get info". The track cannot be a protected AAC track such as those purchased from the Apple Music Store.
- Go to the "Options" tab. Set "Start Time" and "Stop Time", corresponding to the start and finish of the chunk of song you want to chop out. Click "OK".
- Right-click on the track again in the main library window and select "Convert selection to XXX". (The XXX will be whatever file format you happen to have set in your iTunes Importing preferences at the time.)
- After a little while, iTunes will spit out a second, smaller copy of the track, containing just the music between the Start and Stop times you set in the original track. Rename the new track as you please. You can then use iTunes to paste the lyrics to this song clip.
The negatives of this approach are that it requires synchronization with iTunes, requires storage of the text on your computer as well as your iPod, requires the creation of fake songs in your Library, and cannot be used while a song is playing (unless the song you are listening to is the song that has the text you want to read in its lyrics).
Advantages are that this method does not require any editing of the text regarding linebreaks, and this method allows playlists to be used to organize the notes.
While all of these methods work, none of them are completely ideal. If Contacts could be stored in hierarchical folders then that method would be pretty good.
Are there any other alternatives that people have found to work well to work around this iPod limitation of 1000 max notes of 4000 max characters?
Regards,
BrendanThe iPod shuffle is a music player. The iPods with screens have always been more than that. If the iPod didn't have a calendar, contacts, and notes I wouldn't have considered buying one. Music playing is nice, but I certainly didn't want to carry around multiple devices needlessly. The iPod and a simple cell phone are enough. When the iPhone comes out maybe I'll be down to one device.
As for the Palm, having been a Newton user at the time I was never impressed with anything about Palm except its size. The same people who bought cheap PC's instead of Macs bought cheap Palms instead of Newtons. Quantity rather than quality won out.
Apple learned from that and made the iPod a good size to begin with, otherwise it might have suffered a similar fate.
The only PDA capability the iPod lacks is the ability to edit its content independently of the computer. That would be handy, but it turns out hasn't been a critical need for me. More often than not I need to look something up not change something while away from my office. There is a good side to this though, if I lost the iPod I would not have to worry a bit about losing any Contacts, Calendar events, or Music. Notes though, well that is a different matter, those I backup.
I guess one person's music player is another person's PDA.
Regards -
Need to email more than 1 file at a time please help
I bought this program so I could email 150 pictures to a Kinkos to be printed this is the only program they could open them up and now I can't figure out how to email more than one at a time is there any way for me to email more than one of these files at a time if so how do I do it??
This forum is for Adobe Reader on Android. You can find the Lightroom forum here: Photoshop Lightroom
-
ITunes 8.1 Can't Seem to do More Than One Thing at a Time
I upgraded to 8.1 and now, rather than a "faster" iTunes experience as was advertised on Apple's website, iTunes can't seem to do more than one thing at a time without locking up the application completely. For instance, when trying to download podcasts if I choose to hit more than one "Get" button at a time iTunes will freeze up until the first podcast has completely downloaded. During this time I cannot access any other screen in iTunes at all.
This freezing of iTunes also occurred while I was trying to sync my iPhone 3G. I received the Calendar sync error that a few other people have mentioned on the forum and wanted to turn off Calendar sync (since I don't use it and don't understand why iTunes turned it on by default, apparently, after the upgrade) but I had to wait for my iPhone 3G to completely sync before I could gain access to any of the tabs in the iPhone sync window.
So, basically it seems like the new version of iTunes (8.1) really doesn't like to be bothered while it is trying to copy data from one place to another.
Any ideas?I'm using Vista Ultimate 64-bit and iTunes 8.1 installed OK, but required a restart of the entire OS after upgrading. It takes forever to launch, clicking on certain items (like applications) causes itunes to freeze for about 15-30 seconds before it continues (this is actually something that's been there since the introduction of the app store), I've had to switch my library view to LIST and avoid any sort of album art. Using album art to view my library causes iTunes to be extremely, obnoxiously unresponsive.
The best part - plugging in my iPhone to sync it... iTunes simply sits there dumbly - doesn't even recognize that I've plugged my iPhone in. So now I can't even sync. QUALITY product, quality. So the app I'm FORCED to use to manage my phone doesn't even work after upgrading. Outstanding.
I'm terrified of uninstalling and reinstalling... the last time I did that with iTunes it jacked my library up... it "lost" all of my music... basically it disassociated all of the music (even the stuff purchased through the itunes store) with the index file so I had to re-import EVERY song and delete the duplicate entry.
I searched a ton of forums looking for any clues as to how I could improve performance... All I run into is apple fan boys flaming any and all forums to the point of PC *****, no Apple *****, and so forth. Extremely unhelpful.
The fact is this - if I wasn't forced to use iTunes to manage my non-jailbroken iPhone 3G, then I'd dump it completely. It is a horrible app. Why punish the customers that haven't gone the route of "jail breaking" their iPhones?
One individual on one of the forums suggested that blue screens, and all the other random errors, including slow performance were due to a lack of RAM. I have 4GB of RAM on my machine I can run a virtual Fedora core 9 machine and a virtual WinXP machine on my Vista x64 box and still not have any performance issues with those two virtuals in the background sucking up system resources, yet with nothing open and less than 50% of my 4GB of RAM in use iTunes performance is abysmal. I have not run into any other application on my Vista machine that performs as badly as iTunes.
And Apple is touting a "64-bit" version of iTunes - it isn't. The applications the 64-bit installer installs are all 32-bit.
So, I'm searching as the two of you are for an answer to horrible performance of iTunes.
Even exiting out of iTunes takes a day and a half... "saving itunes library".... And my "library" isn't that big. -
Can't open more than one file at a time
I am experiencing a strange bug in Dreamweaver CC.
When I try to open multiple files in DW, it opens the same file in multiple tabs. For example: I select index.html and login.html from the site root, then open. Instead of ending up with both files open, one in each tab, DW opens two tabs of the login.html. If I try to open a third file called main.css for example, it replaces the two existing tabs and opens a third tab, all with main.css.
This makes working on global site styles and pretty much anything very difficult.
Does anyone have a solution to this problem? I have all the latest updates to the software currently available.Hello all,
I am aware that it's not typical DW behaviour. I have never experienced it in any previous versions either. I tried the new user account without success.
For reference: iMac 21"
Processor 2.7 GHz Intel Core i5
Memory 4 GB 1333 MHz DDR3
Graphics AMD Radeon HD 6770M 512 MB
The system has more than enough power to run DW. I would like more power, but then wouldn't everyone...
So unfortunately I am no closer to a solution. Is this a forum that Adobe Support interacts with? Is there any way I can contact them for a solution directly? -
Can't gift more than one song at a time
Does anyone know how to gift more than one song at a time (not an album, but non-contiguous songs off one or multiple albums)?
I tried adding them to my wishlist so I could add in several, but I already own several of the songs and you can't add songs you already own.
Of course, this would be resolved if they would just bring back the shopping cart, but for now, I have no idea how to accomplish what should be a very simple task.It is, indeed, frustrating, and seems short-sighted on Apple's part. Imagine a shop owner saying, "You can buy anything you want for yourself, as many as you like, but if it's a gift, you can only buy one."
I did receive a nice response from Apple confirming that this is, in fact, impossible to accomplish:
Dear Michael,
Welcome to iTunes Store Customer Support. I am Animesh and I will be assisting you today.
Thank you for your interest in giving an iTunes Store or App Store gift. I understand that you would like to gift multiple songs from different albums. I understand that this is important for you.
Michael, please note that you can buy a song, an album, a video, an audiobook, a TV episode or season, a movie, or an application for anyone who has a valid email address. However, there is no such option to gift multiple songs at a time from different albums. You are required to gift them individually, also the Wishlist feature is for personal usage and not gifting.
I can realize that it must be difficult for you. I have felt the same way in the past when I've found myself in similar circumstances. I have found in situations like this that voicing your opinion is a good way to get the "ball rolling".
Please know that Apple takes the feedback from our customers very seriously. This is the reason for our feedback page - to create a forum where our users can vent, praise or share whatever feelings they have to allow us to meet your needs, and grow as a company.
I took the liberty of submitting your feedback to Apple on your behalf. I would also encourage you to share this link with all of your friends and family who wish to submit the feedback, and have them all submit the same request.
Here is the link for you.
http://www.apple.com/feedback/itunesapp.html
I know sometimes it feels as though submitting feedback will not yield results, so I will also invite you to check out the following link. This is a letter from Apple's CEO addressing customers who purchased an iPhone very early on at $599, then the price went down to $399 shortly after. Mr. Jobs heard our customers and Apple responded accordingly.
http://www.apple.com/hotnews/openiphoneletter/
I hope that you will consider sharing your thoughts on the feedback page.
Michael, we very much appreciate your concerns, and if there's anything else I can do for you, just respond to this email and let me know. Thank you for supporting the iTunes Store.
Sincerely,
Animesh
iTunes Store Customer Service -
I have purchased a iPad mini online from the Apple store. Since day one I had 2 issues with it. First is that the battery life doesn't last more than 5-6h active usage, and the second one is with the wi-fi. It works properly but after I leave it for a while in sleep mode and try to reuse it, it doesn't want to open a web page or app store or mail (anything connected with the internet search) but it shows that is properly connected with my home network. So I have to turn off the wi-fi connection and turn it on again so it start to work properly. After couple off days this becomed very annoying so I contacted the support via phone and they gave me instructions for return it and that I'll receive a new one without aditional fee. I get the second device in the predicted time but again I have the same issues with the wi-fi and battery life. I will be pleased if someone from the Apple expert team explaine to me what should I do, because I dont find it for normal what is happening. On the Apple official site under the specifications for iPad mini it says that the battery lasts for at least 10h and the wi-fi problem isn't mentioned anywhere. Thanks in advance.
This is a user to user forum. No one here is an employee or representative of Apple.
If you want someone from Apple to explain what you should do make an appointment at an Apple store if there is one near you and take your iPad there and talk to Apple. If no Apple store is close enough then call Apple to find out what your alternatives are. There is a Contact Info link at the bottom of every page in this forum. -
Not able to create More than 1 Partition in USB Drive using kernel32 and DeviceIoControl
I have successfully created 2 or more partitions in USB drive using DeviceIoControl in C++. Now I am trying to convert this code into C# using kernel32 and DeviceIoControl. But I am not getting more than 1 partition. Can anybody tell me what is wrong
with this code?
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Diagnostics;
using System.Runtime.InteropServices;
namespace PartitionWrapper
public class IOWrapper
public static bool CreatePartitions(string selectedDrive)
bool RetCode = false;
try
bool bSuccess = false;
uint dwBytesReturned = 0;
IntPtr hDisk = OpenVolume(selectedDrive);
if (hDisk == null || hDisk == FSConstants.INVALID_HANDLE_VALUE)
RetCode = false;
goto FINAL;
bSuccess = FSStructures.DeviceIoControl(hDisk, FSConstants.IOCTL_DISK_DELETE_DRIVE_LAYOUT, IntPtr.Zero, 0, default(IntPtr), default(uint), ref dwBytesReturned);
// Get the partition information
uint PartitionInfomations = (uint)(Marshal.SizeOf(typeof(FSStructures.DRIVE_LAYOUT_INFORMATION_EX)) + 3 * Marshal.SizeOf(typeof(FSStructures.PARTITION_INFORMATION_EX)));
byte[] DBuffer = new byte[PartitionInfomations];
GCHandle handle = GCHandle.Alloc(DBuffer, GCHandleType.Pinned);
FSStructures.DRIVE_LAYOUT_INFORMATION_EX pDriveLayout = (FSStructures.DRIVE_LAYOUT_INFORMATION_EX)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(FSStructures.DRIVE_LAYOUT_INFORMATION_EX));
IntPtr pDriveLayoutPtr = Marshal.AllocHGlobal(Marshal.SizeOf(pDriveLayout));
Marshal.StructureToPtr(pDriveLayout, pDriveLayoutPtr, false);
// bSuccess = FSStructures.DeviceIoControl(hDisk, FSConstants.IOCTL_DISK_GET_DRIVE_LAYOUT_EX, default(IntPtr), default(uint), pDriveLayoutPtr, PartitionInfomations, ref dwBytesReturned);
pDriveLayout = (FSStructures.DRIVE_LAYOUT_INFORMATION_EX)Marshal.PtrToStructure(pDriveLayoutPtr, typeof(FSStructures.DRIVE_LAYOUT_INFORMATION_EX));
if (bSuccess || dwBytesReturned != PartitionInfomations)
RetCode = true;
else { RetCode = false; goto FINAL; }
pDriveLayout.PartitionEntry = new FSStructures.PARTITION_INFORMATION_EX[0x16];
pDriveLayout.PartitionStyle = FSStructures.PARTITION_STYLE.MasterBootRecord;
pDriveLayout.PartitionCount = 4;
pDriveLayout.DriveLayoutInformatiton.Mbr.Signature = 0xA4B57300;
pDriveLayout.PartitionEntry[0] = new FSStructures.PARTITION_INFORMATION_EX();
pDriveLayout.PartitionEntry[0].PartitionStyle = FSStructures.PARTITION_STYLE.MasterBootRecord;
pDriveLayout.PartitionEntry[0].Mbr.BootIndicator = true;
pDriveLayout.PartitionEntry[0].Mbr.RecognizedPartition = true;
pDriveLayout.PartitionEntry[0].Mbr.PartitionType = 0x0B;
pDriveLayout.PartitionEntry[0].PartitionNumber = 1;
pDriveLayout.PartitionEntry[0].StartingOffset = 32256;
pDriveLayout.PartitionEntry[0].PartitionLength = 3221225472;
pDriveLayout.PartitionEntry[0].RewritePartition = true;
pDriveLayout.PartitionEntry[0].Mbr.HiddenSectors = 32256 / 512;
pDriveLayout.PartitionEntry[1] = new FSStructures.PARTITION_INFORMATION_EX();
pDriveLayout.PartitionEntry[1].PartitionStyle = FSStructures.PARTITION_STYLE.MasterBootRecord;
pDriveLayout.PartitionEntry[1].Mbr.BootIndicator = false;
pDriveLayout.PartitionEntry[1].Mbr.RecognizedPartition = true;
pDriveLayout.PartitionEntry[1].Mbr.PartitionType = 0x0B;
pDriveLayout.PartitionEntry[1].PartitionNumber = 2;
pDriveLayout.PartitionEntry[1].StartingOffset = 32256 + 3221225472;
pDriveLayout.PartitionEntry[1].PartitionLength = 2147483648; //2147483648;//3221225472;
pDriveLayout.PartitionEntry[1].RewritePartition = true;
pDriveLayout.PartitionEntry[1].Mbr.HiddenSectors = 32256 / 512;
for (int i = 0; i < pDriveLayout.PartitionEntry.Length; i++)
pDriveLayout.PartitionEntry[i].RewritePartition = true;
try
bSuccess = FSStructures.DeviceIoControl(hDisk, FSConstants.IOCTL_DISK_SET_DRIVE_LAYOUT_EX, ref pDriveLayout, PartitionInfomations, default(IntPtr), default(uint), ref dwBytesReturned);
catch (Exception ex)
if (bSuccess)
RetCode = true;
else { RetCode = false; }
bSuccess = FSStructures.DeviceIoControl(hDisk, FSConstants.IOCTL_DISK_UPDATE_PROPERTIES, IntPtr.Zero, 0, default(IntPtr), default(uint), ref dwBytesReturned);
if (bSuccess)
RetCode = true;
else { RetCode = false; }
FINAL:
// Close the disk handle.
if (hDisk != null && hDisk != FSConstants.INVALID_HANDLE_VALUE)
FSStructures.CloseHandle(hDisk);
catch { return false; }
return RetCode;
private static IntPtr OpenVolume(string DeviceName)
try
IntPtr hDevice;
hDevice = FSStructures.CreateFile(
@"\\.\" + DeviceName,
FSConstants.GENERIC_EXECUTE | FSConstants.GENERIC_READ | FSConstants.GENERIC_WRITE | FSConstants.FILE_SHARE_READ | FSConstants.FILE_SHARE_WRITE,
FSConstants.FILE_SHARE_WRITE,
IntPtr.Zero,
FSConstants.OPEN_EXISTING,
0,
IntPtr.Zero);
if ((int)hDevice == -1)
throw new Exception(Marshal.GetLastWin32Error().ToString());
return hDevice;
catch { return FSConstants.INVALID_HANDLE_VALUE; }
internal static class FSConstants
public const uint FILE_SHARE_READ = 0x00000001;
public const uint FILE_SHARE_WRITE = 0x00000002;
public const uint OPEN_EXISTING = 3;
public const int GENERIC_EXECUTE = 0x10000000;
public const uint GENERIC_READ = (0x80000000);
public const uint GENERIC_WRITE = (0x40000000);
public static IntPtr INVALID_HANDLE_VALUE = new IntPtr(-1);
public const uint IOCTL_DISK_GET_DRIVE_LAYOUT_EX = 0x00070050;
public const uint IOCTL_DISK_SET_DRIVE_LAYOUT_EX = 0x7C054;
public const int IOCTL_DISK_UPDATE_PROPERTIES = 0x70140;
public const int IOCTL_DISK_DELETE_DRIVE_LAYOUT = 0x0007c010;
public const int IOCTL_DISK_CREATE_DISK = 0x7C058;
internal static class FSStructures
[DllImport("kernel32.dll", EntryPoint = "CreateFile", SetLastError = true)]
public static extern IntPtr CreateFile(
string lpFileName,
uint dwDesiredAccess,
uint dwShareMode,
IntPtr lpSecurityAttributes,
uint dwCreationDisposition,
uint dwFlagsAndAttributes,
IntPtr hTemplateFile);
[DllImport("kernel32.dll", SetLastError = true)]
public static extern int CloseHandle(IntPtr hObject);
[DllImport("kernel32.dll", SetLastError = true)]
public static extern bool DeviceIoControl(
IntPtr hDevice,
uint dwIoControlCode,
[Optional]ref DRIVE_LAYOUT_INFORMATION_EX lpInBuffer,
uint nInBufferSize,
[Optional] [Out] IntPtr lpOutBuffer,
uint nOutBufferSize,
[Optional] ref uint lpBytesReturned,
[Optional] IntPtr lpOverlapped);
[DllImport("kernel32.dll", SetLastError = true)]
public static extern bool DeviceIoControl(
IntPtr hDevice,
uint dwIoControlCode,
IntPtr lpInBuffer,
uint nInBufferSize,
[Optional] [Out] IntPtr lpOutBuffer,
uint nOutBufferSize,
[Optional] ref uint lpBytesReturned,
[Optional] IntPtr lpOverlapped);
[StructLayout(LayoutKind.Sequential)]
public struct DRIVE_LAYOUT_INFORMATION_EX
public PARTITION_STYLE PartitionStyle;
public int PartitionCount;
public DRIVE_LAYOUT_INFORMATION_UNION DriveLayoutInformatiton;
[MarshalAs(UnmanagedType.ByValArray, ArraySubType = UnmanagedType.Struct, SizeConst = 0x16)]
public PARTITION_INFORMATION_EX[] PartitionEntry;
[StructLayout(LayoutKind.Sequential)]
public struct PARTITION_INFORMATION_EX
[MarshalAs(UnmanagedType.U4)]
public PARTITION_STYLE PartitionStyle;
public long StartingOffset;
public long PartitionLength;
public int PartitionNumber;
public bool RewritePartition;
public PARTITION_INFORMATION_MBR Mbr;
public PARTITION_INFORMATION_GPT Gpt;
[StructLayout(LayoutKind.Sequential)]
public struct PARTITION_INFORMATION_MBR
public byte PartitionType;
[MarshalAs(UnmanagedType.U1)]
public bool BootIndicator;
[MarshalAs(UnmanagedType.U1)]
public bool RecognizedPartition;
public uint HiddenSectors;
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct PARTITION_INFORMATION_GPT
public Guid PartitionType;
public Guid PartitionId;
[MarshalAs(UnmanagedType.U8)]
public EFIPartitionAttributes Attributes;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 36)]
public string Name;
[Flags]
public enum EFIPartitionAttributes : ulong
GPT_ATTRIBUTE_PLATFORM_REQUIRED = 0x0000000000000001,
LegacyBIOSBootable = 0x0000000000000004,
GPT_BASIC_DATA_ATTRIBUTE_NO_DRIVE_LETTER = 0x8000000000000000,
GPT_BASIC_DATA_ATTRIBUTE_HIDDEN = 0x4000000000000000,
GPT_BASIC_DATA_ATTRIBUTE_SHADOW_COPY = 0x2000000000000000,
GPT_BASIC_DATA_ATTRIBUTE_READ_ONLY = 0x1000000000000000
[StructLayout(LayoutKind.Explicit)]
public struct DRIVE_LAYOUT_INFORMATION_UNION
[FieldOffset(0)]
public DRIVE_LAYOUT_INFORMATION_MBR Mbr;
[FieldOffset(0)]
public DRIVE_LAYOUT_INFORMATION_GPT Gpt;
[StructLayout(LayoutKind.Sequential)]
public struct DRIVE_LAYOUT_INFORMATION_GPT
public Guid DiskId;
public long StartingUsableOffset;
public long UsableLength;
public int MaxPartitionCount;
[StructLayout(LayoutKind.Sequential)]
public struct DRIVE_LAYOUT_INFORMATION_MBR
public uint Signature;
public enum PARTITION_STYLE : int
MasterBootRecord = 0,
GuidPartitionTable = 1,
Raw = 2Hello,
in the links below you can found many informations to help you:
https://msdn.microsoft.com/en-us/library/windows/desktop/aa365730(v=vs.85).aspx
http://www.codeproject.com/Articles/696388/Recover-Data-From-Corrupted-Drives-File-Systems-FA
http://www.functionx.com/vcsharp/fileprocessing/drives.htm
http://forums.codeguru.com/showthread.php?548305-partitioning-USB-Falsh-drive
http://forums.codeguru.com/showthread.php?548169-USB-Flash-drive-Partitioning -
Export to Text failing when Report height is more than 23 inches
I have a problem while exporting to Text, when report height is more than 23 inches. It's failing with "an unhandled exception occurred in crw32.exe [3856]"
Both Crystal Reports 2008 and Crystal Reports XI Release 2 are failing. Export to PDF is working fine.
I am trying to design a lengthy report and export to text.
I searched in forum with out any results.
It would be great, if some body can point me in right direction. Thank you.
Regards,
RaveendraHi Raveendra
To work around this error message, disable DEP by performing the following steps:
1. Click Start > Settings > Control Panel.
2. Double-click 'System'. The "System Properties" dialog box appears.
3. Click the 'Advanced' tab.
4. Click 'settings' under 'performance'.
5. Click the 'Data Execution Prevention' tab
6. Select 'Turn on DEP for all programs and services except those I select:'.
7. Click 'Add'.
8. Browse for the application CRW32.exe. This file is located in:
C:\Program Files\Business Objects\Crystal Reports 12\
9. Select CRW32.exe and click 'Apply'.
10. Click 'OK' to close the 'System Properties' dialog box.
11. Log on as an Administrator and start Crystal Reports.
Now try to export report to the text format and observe the behavior.
Regards
Girish Bhosale -
How to display help text for Region in a page having more than one region
Hi all,
I want to display help text for each region in my page. I have 5 regions in my page.
I have a big help text for each of my region so can any easy way is there to put the help text for each region more than 10 lines .I tried lot by searching forums but not able to implement. any document is there then please let me know.
Thanks in advance,
Amiti mean either if we click the region title name it should display some help text of near about 10 lines in a popup window.
Or on moseover whenever we will put the cursor into the region title then it should displat the help text message of line 10.
Hope you will get my qustion well.
Thanks,
Amit -
Cannot open more than one window with Firefox
I've been having this problem for a couple of weeks, now, and I've run out of ways to try and fix this.
One day, after starting my computer up, I opened Firefox. No big deal, everything looks fine, tabs are working, etc. Then, when I went to open a second window, nothing. The first window still works fine, I can open tab upon tab, but it just won't open any more windows.
As much as I'm a fan of the browser tabs, I still prefer to have them spread out over more than one window.
I've read through a ton of different troubleshooting walkthroughs and whatnot, reinstalled three or four times, restored settings, but nothing works.
Well, not entirely, I guess. Here's the part that I can't quite figure out. When I disable every single addon, Firefox works just fine. I've done the checking down the list, trying to single one out, but it's *any* addon. Even something as simple as a dictionary search ([https://addons.mozilla.org/en-US/firefox/addon/68/]) causes this to happen.
I've checked with an older computer with an older version of Firefox, and it still seems to work fine with addons enabled, so I'm wondering if this is an update issue?
Would reverting back to a previous version of Firefox solve this, and if so, where would I be able to find downloads for a previous version?
So, like I said, I'm at a bit of a loss here. Sort of at a crossroads for trying to figure out what to try next, so I'm hoping someone a bit more knowledgeable can help steer me in a direction.
Edit: I just noticed that the posting includes system information with my question. I should clarify that I'm posting this from an older computer with an older version of Firefox. On the computer that I'm having this issue with, I'm using the newest version of Firefox (3.6.8).Some old posts indicate the following add-ons have caused the problem of not being able to open a new window in Firefox in the past. If you have any of them you might want to disable or uninstall them to see if that is causing your problem.<br />
* HP Smart Web Printing Toolbar
** https://support.mozilla.com/tiki-view_forum_thread.php?locale=en-US&comments_parentId=531462&forumId=1
* Skype
** https://support.mozilla.com/tiki-view_forum_thread.php?locale=en-US&comments_parentId=472881&forumId=1
** https://support.mozilla.com/tiki-view_forum_thread.php?locale=en-US&comments_parentId=531462&forumId=1
* Zone Alarm Toolbar
** https://support.mozilla.com/tiki-view_forum_thread.php?locale=en-US&comments_parentId=472881&forumId=1
** https://support.mozilla.com/tiki-view_forum_thread.php?locale=en-US&comments_parentId=624545&forumId=1
** http://forums.zonelabs.com/showthread.php?t=73592&highlight=firefox+window
<br />
You need to update your plug-ins. It is important to keep them updated due to continuing security fixes and improvements in those plug-ins:
* Adobe Shockwave for Director Netscape plug-in, version 11.5 (you '''<u>may</u>''' need to update)
* Shockwave Flash 10.0 r32
* Java Plug-in 1.6.0_11 for Netscape Navigator (DLL Helper)
#Check your plugin versions: http://www.mozilla.com/en-US/plugincheck/
#*'''Note: plugin check page does not have information on all plugin versions'''
#'''Update Shockwave for Director'''
#*NOTE: this is not the same as Shockwave Flash; this installs the Shockwave Player.
#*Use Firefox to download and SAVE the installer to your hard drive from the link in the article below (Desktop is a good place so you can find it).
#*When the download is complete, exit Firefox (File > Exit)
#*locate and double-click in the installer you just downloaded, let the install complete.
#*Restart Firefox and check your plugins again.
#*'''<u>Download link and more information</u>''': http://support.mozilla.com/en-US/kb/Using+the+Shockwave+plugin+with+Firefox
#'''Update Shockwave Flash'''
#*Use Firefox to Download and SAVE to your hard drive from the link in article below
#*SAVE to your Desktop so you can find it
#*After download completes, close Firefox
#*Click on the file you just downloaded and install
#**Note: Vista and Win7 users may need to right-click the installer downloaded and choose "Run as Administrator"
#**Note: Most browsers other than IE will also get updated with this one download
#**Note: To update IE, same procedure '''<u>but use IE</u>''' to go: http://fpdownload.macromedia.com/get/flashplayer/current/install_flash_player_ax.exe
#*After installation, restart Firefox and check your version again.
#*'''<u>Download link and other information</u>''': https://support.mozilla.com/en-US/kb/Managing+the+Flash+plugin#Updating_Flash
#'''Update Java:'''
#* Download and update instructions: https://support.mozilla.com/en-US/kb/Using+the+Java+plugin+with+Firefox
#* Removing old versions: http://www.java.com/en/download
<br />
You are using an out-of-date version of Firefox. Unless you have a reason for using that old version, you might want to consider upgrading.
*The Firefox version series 3.0.x is no longer being supported or updated, even for security issues.
*The last version in the 3.0.x series was 3.0.19 which was released 03/15/2010.
*You are using version 3.0.13 which was released 07/31/2009.
Consider upgrading to the current version, Firefox 3.6.8. Firefox 3.6.9 is scheduled to be released in a few days and the new Firefox 4 will be released later this year or early next year.
* See: https://support.mozilla.com/en-US/kb/Upgrading+to+Firefox+3.6
* Or you can download the full installer and save it to your hard drive for installation from: http://www.mozilla.com/en-US/firefox/all.html
* Also see: http://support.mozilla.com/en-US/kb/Installing+Firefox -
Logic 8 crashes everytime I use it more than 10 minutes, please help
Hi, I am new on this forum, so hi everyone.
I just bought these 3 items:
1) new mac Pro 8-core that it comes with Leopard 10.5
2) new Logic 8 pro studio
3) new digi 003 rack
I instaled the protools 7.3 software and the problems began! I got an error window saying that I had some missing extensions or somethin like that, later A safary window appeared saying to instal some interlock extensions, I did install it, after finishing the instalation I tryied to launch protools but the hardware was not found. I went to digidesign website and realized about the incompatibility between leopard and protools, so I uninstalled the protools software and desconected the digi 003 from my computer and uninstalled the interlock extensions.
ok so far...
After all this I decided to instal Logic 8 pro (I never used Logic before, alwyas work with protools) so I could start to familiarize with the program, but after working a little bit with it, Logic crashed, so I launched it again and the same thing happened to me. I had this problem about 6 times in two days!
So I verifyied disck permissions and I got a lot of errors going on; "Something in system/library/usertemplates etc...was unexpected and it should be whatever..." these kind of errors, about 30 in total. By the way, I have an small prohibbited icon over the "USERTEMPLATES" folder. after all this I click on repair disck permissions but nothing was repaired, every error showed again after running once more the verifying thing! so I launched logic praying to be able to work more than an hour but... logic crashed three times in a row in less than 1 hour work. So I decided to kill the people from the store! no, seriously, I reinstalled the Leopard on my computer with an erase and install from the original dvd. Notice that every time logic crashed I was doing something diferent, it crashed once while opening an instrument, other while doing time streching in factory, other just at the begining etc...
After instaling today again leopard and logic 8 with all the updates from apple/software update (mac os 10.5.2, logic 8.0.1) I still have the same problems;
-Logic crash very often whatever you are working on
-Disk permissions problems:
Verificando permisos de “INTERNO1”
Se ha encontrado una lista de control de acceso en “Applications/Utilities” que no se esperaba.
Se ha encontrado una lista de control de acceso en “Applications” que no se esperaba.
Se ha encontrado una lista de control de acceso en “Library” que no se esperaba.
Se ha encontrado una lista de control de acceso en “System/Library/User Template/Spanish.lproj/Sites” que no se esperaba.
Se ha encontrado una lista de control de acceso en “System/Library/User Template/Spanish.lproj/Desktop” que no se esperaba.
Se ha encontrado una lista de control de acceso en “System/Library/User Template/Spanish.lproj/Documents” que no se esperaba.
and so on...
The translation is "It was found an acces control list in "Applications/Utilities" that wasn't expected" etc...
And I still have that extrange little icon over User Templates folder on "System/Library/UserTemplates"
I don't have installed any other program else on my computer than logic and leopard! I don't know what the "h.." is going on with this "f.." logic program!
SO PLEASE IF ANYONE KNOWS HOW TO SOLVE THIS OR ANY KIND OF HELP WOULD BE APPRECIATED!
THANK YOU.
Sorry about the length of the post and my english.Thanks a lot for your response Scott, I really appreciate it.
I have downloaded the 7.4 protools, but not installed because the 7.3 software cause instalations errors on the computer and the digi is not recognized.
Anyway I wanted to start familiarizing with Logic 8. I thought because Logic and Mac are from Apple they would be totally compatible...and of course they are not!
In other hands I spent 6,300 dollards in new equipment to avoid this kind of problems...but at the end you get all the same traubles whatever you buy or not (crack) the things...so.
Anyway, now my computer it seem to be damage... the fan never stop and I am geting some wierd icons over some folders (stop icons) so...
By the way, I bought everything in SweetWater if anyone wants to know, and so far they seems to be only available to put their hands to get the money but they are always too bussy to help and solve all this crap they did to me.
I bought logic studio, mac pro 8-core 3.0 and digi 003 to them...any of these are working!!! nice!!! and after one waste month they didn't give me any other solution besides to wait and wait and wait days and days in order to talk to any of the technicians...It seems their technicians only have time to ensembly equipment to sell it as soon as they can...nice!!! -
My macbook pro is running slow and freezing more than once a minute.
I do not know much about computers, but I do know this is not normal for my computer.
Processor 2.9 GHz Intel Core i7
Memory 8 GB 1600 MHz
Graphics Intel HD Graphics 4000 1024 MB
Software OS X 10.9.5
So about two days ago I was using the computer and noticed that it was freezing and giving me the little spinning circle of evilness. This happens every time I open anything, try to type(which is making this an extremely long process), load a screen in the MMORPG I play(Or even just general play time). I can be doing anything, and the computer will freeze for anywhere between 5 seconds, and up to 10 minutes. Things normally continue on fine, or sometimes my internet screens fail to load. I have ran ccleaner and cleaned up a few things, and then ran AVG which found quite a few files or something called Genio which I deleted. I have also upgraded all the latest updates that I can, but now when I try to open the app store to double check to see if there are any more updates, and it will not open, it freezes. I have reset my comps system management controller, and I have reset my PRAM. My desktop is not cluttered, and I'm more confused than ever.
If there is any more information I can give, I will try. Please help??1. This procedure is a diagnostic test. It changes nothing, for better or worse, and therefore will not, in itself, solve the problem. But with the aid of the test results, the solution may take a few minutes, instead of hours or days.
The test works on OS X 10.7 ("Lion") and later. I don't recommend running it on older versions of OS X. It will do no harm, but it won't do much good either.
Don't be put off by the complexity of these instructions. The process is much less complicated than the description. You do harder tasks with the computer all the time.
2. If you don't already have a current backup, back up all data before doing anything else. The backup is necessary on general principle, not because of anything in the test procedure. Backup is always a must, and when you're having any kind of trouble with the computer, you may be at higher than usual risk of losing data, whether you follow these instructions or not.
There are ways to back up a computer that isn't fully functional. Ask if you need guidance.
3. Below are instructions to run a UNIX shell script, a type of program. As I wrote above, it changes nothing. It doesn't send or receive any data on the network. All it does is to generate a human-readable report on the state of the computer. That report goes nowhere unless you choose to share it. If you prefer, you can act on it yourself without disclosing the contents to me or anyone else.
You should be wondering whether you can believe me, and whether it's safe to run a program at the behest of a stranger. In general, no, it's not safe and I don't encourage it.
In this case, however, there are a couple of ways for you to decide whether the program is safe without having to trust me. First, you can read it. Unlike an application that you download and click to run, it's transparent, so anyone with the necessary skill can verify what it does.
You may not be able to understand the script yourself. But variations of it have been posted on this website thousands of times over a period of years. The site is hosted by Apple, which does not allow it to be used to distribute harmful software. Any one of the millions of registered users could have read the script and raised the alarm if it was harmful. Then I would not be here now and you would not be reading this message. See, for example, this discussion.
Nevertheless, if you can't satisfy yourself that these instructions are safe, don't follow them. Ask for other options.
4. Here's a general summary of what you need to do, if you choose to proceed:
☞ Copy a particular line of text to the Clipboard.
☞ Paste into the window of another application.
☞ Wait for the test to run. It usually takes a few minutes.
☞ Paste the results, which will have been copied automatically, back into a reply on this page.
These are not specific instructions; just an overview. The details are in parts 7 and 8 of this comment. The sequence is: copy, paste, wait, paste again. You don't need to copy a second time.
5. Try to test under conditions that reproduce the problem, as far as possible. For example, if the computer is sometimes, but not always, slow, run the test during a slowdown.
You may have started up in "safe" mode. If the system is now in safe mode and works well enough in normal mode to run the test, restart as usual. If you can only test in safe mode, do that.
6. If you have more than one user, and the one affected by the problem is not an administrator, then please run the test twice: once while logged in as the affected user, and once as an administrator. The results may be different. The user that is created automatically on a new computer when you start it for the first time is an administrator. If you can't log in as an administrator, test as the affected user. Most personal Macs have only one user, and in that case this section doesn’t apply. Don't log in as root.
7. Load this linked web page (on the website "Pastebin.") The title of the page is "Diagnostic Test." Below the title is a text box headed by three small icons. The one on the right represents a clipboard. Click that icon to select the text, then copy it to the Clipboard on your computer by pressing the key combination command-C.
If the text doesn't highlight when you click the icon, select it by triple-clicking anywhere inside the box. Don't select the whole page, just the text in the box.
8. Launch the built-in Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad and start typing the name.
Click anywhere in the Terminal window to activate it. Paste from the Clipboard into the window by pressing command-V, then press return. The text you pasted should vanish immediately.
9. If you see an error message in the Terminal window such as "Syntax error" or "Event not found," enter
exec bash
and press return. Then paste the script again.
10. If you're logged in as an administrator, you'll be prompted for your login password. Nothing will be displayed when you type it. You will not see the usual dots in place of typed characters. Make sure caps lock is off. Type carefully and then press return. You may get a one-time warning to be careful. If you make three failed attempts to enter the password, the test will run anyway, but it will produce less information. If you don't know the password, or if you prefer not to enter it, just press return three times at the password prompt. Again, the script will still run.
If you're not logged in as an administrator, you won't be prompted for a password. The test will still run. It just won't do anything that requires administrator privileges.
11. The test may take a few minutes to run, depending on how many files you have and the speed of the computer. A computer that's abnormally slow may take longer to run the test. While it's running, a series of lines will appear in the Terminal window like this:
[Process started]
Part 1 of 8 done at … sec
Part 8 of 8 done at … sec
The test results are on the Clipboard.
Please close this window.
[Process completed]
The intervals between parts won't be exactly equal, but they give a rough indication of progress. The total number of parts may be different from what's shown here.
Wait for the final message "Process completed" to appear. If you don't see it within about ten minutes, the test probably won't complete in a reasonable time. In that case, press the key combination control-C or command-period to stop it and go to the next step. You'll have incomplete results, but still something.
12. When the test is complete, or if you stopped it because it was taking too long, quit Terminal. The results will have been copied to the Clipboard automatically. They are not shown in the Terminal window. Please don't copy anything from there. All you have to do is start a reply to this comment and then paste by pressing command-V again.
At the top of the results, there will be a line that begins with the words "Start time." If you don't see that, but instead see a mass of gibberish, you didn't wait for the "Process completed" message to appear in the Terminal window. Please wait for it and try again.
If any private information, such as your name or email address, appears in the results, anonymize it before posting. Usually that won't be necessary.
13. When you post the results, you might see an error message on the web page: "You have included content in your post that is not permitted," or "The message contains invalid characters." That's a bug in the forum software. Please post the test results on Pastebin, then post a link here to the page you created.
14. This is a public forum, and others may give you advice based on the results of the test. They speak for themselves, not for me. The test itself is harmless, but whatever else you're told to do may not be. For others who choose to run it, I don't recommend that you post the test results on this website unless I asked you to.
Copyright © 2014, 2015 by Linc Davis. As the sole author of this work (including the referenced "Diagnostic Test"), I reserve all rights to it except as provided in the Use Agreement for the Apple Support Communities website ("ASC"). Readers of ASC may copy it for their own personal use. Neither the whole nor any part may be redistributed.
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