Question about sleep resume issue

Hi friends! I have the following question: When I resume my T430 Thinkpad from sleep and is not plugged in instead of bringing back the screen of my last session the computer starts booting. This cause lots of problems especially if I have any unsaved work. I didn't have this problem in the past (after I was pressing the green button my computer was always starting at the session that I left it before I chose SLEEP). I usually don't have this problem if the computer is plugged in. I also noticed that this happens only if the remaining battery time is 2 hours or less (or maybe this is just a coincidence). Has anyone else experienced the same problem? Is there a setting that I can change? Thank you!

Yes. I have this problem with my T430, but only when I have both the main battery and also the battery "slice" installed. What happens is that after the first battery is run down (the "slice" is run down first), the T430 switches to the other battery (the main battery). If I then suspend the computer, it appears that it tries to maintain the memory during sleep mode using the depleted battery which, of course, results in the same thing as removing the battery while in sleep.
I've tried to figure out how to contact Lenovo but, despite having an extended support contract, I have been unable to do so. I'm hoping someone here can help or can direct me to where I can find out how to contact Lenovo about what is obviously a flaw in their design.

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A question about sleep.

Two months ago I upgraded (perhaps downgraded is a better term, depending on perspective), anyways changed machines from my trusted 1 Ghz Powerbook G4 Ti to a White MacBook Intel 2.1 Ghz Intel Core 2 Duo.
My main question here is does the MacBook put itself to sleep when the battery reaches a certain level? My PowerBook always put itself to sleep when the battery went down to around 20% or so. But recently I have discovered that when I leave and have my MacBook running it turns itself off when the battery reaches 0% even after a smc reset and a reformat and reinstall. At least that's what it says when I plug it in and have to turn it on instead of just waking it from sleep. Is this something that is normal now or should it be going to sleep like the PowerBook did? Yes I know - just plug it in before I leave. If I know I am going to be gone a long time I do - sometimes I plan to be gone only a short time but plans change. Plus I believe everyone who can, should save energy when they can.
I have contacted apple about this problem and several others (now and then the speakers will crackle and unplugging headphones there will be no sound, and keys sticking) and they will be picking up the MB to check it out. Just curious if anyone else has had this/these problems and if you got them fixed.
*Little Rant* And I have to admit I find the intel machine a bit frustrating and I am totally unimpressed with it. (Final Cut Pro 4/5 doesn't work as well as some other costly PPC apps not working or working poorly). Yes I know, why get a MacBook for doing stuff like that - because I don't do a lot of creating anymore - generally just upkeep and small changes. Not enough to justify the cost difference.
Also I thought the increased cpu power would make it fly - but I still get the spinning beach ball a lot. Although processing short videos and animations is quicker (obviously 1 Ghz vs 2.1 Ghz) - but I wonder if the 2.1 intel is actually much faster (I mean more than a minute) than the 1.67 ppc - does anyone know?

Thanks for the input iBod.
Setting the time to go to sleep when idle is not really the problem. I've been using Macs for about 8 years now and I already know about setting the preferences. This year was my first intel MacBook and it isn't as similar as I thought it would be. Sorry if I wasn't more clear in my earlier post.
When I do leave it unattended and running it is because it is processing some stuff for me (be it a video, music, downloading, or whatever) as well as for example a project in iwork and/or photoshop is still open so I can just start where I left off when I return.
The problem I am having is (I am not sure if this is what you mean by "deep sleep") that the computer literally shuts down and I have to push the power button and the MB does a total restart (vs the Powerbook which would just go to sleep so I'd plug it in, press a key and it was exactly where I left off).
This worries me, as I know hard shut downs (which what this seems like to me) aren't good for a computer at all, plus the possible and probable data loss. It seems to be a step away from having things "Just Work" rather than a step forward.
I don't suppose you (or anyone else reading this) knows of any script, terminal setting or preference that I could use to put my MB to sleep when the battery reaches a certain low level?
About final cut 4/5 not working. I didn't mean it that it worked slowly, I meant that it won't even install. When I tried to install it gave some weird video error (can't remember clearly but it was something like 'this machine isn't equipped with agp video card (or something like that) and can't be installed'.
Thanks again for chipping in though.

Should I get the iPod Touch? (Also a question about the screen issue)

Hi,
I recently purchased the 8GB iPod Nano, and now i'm considering to add a $100 and get the iPod Touch 8GB. Would you guys recommend it?
Another question I had was that I heard about the iPod Touch having some Screen Issues, and read somewhere that if the Box has a picture of Macy Gray then its Bad. But I personally think the Macy Gray image is for the 8GB, and the other artist is for the 16GB.
Is there a 100% definite way for me to find out if it has a good screen or not?
Thanks in Advance!
Saeid.

Ok, I recommend the iPod Touch. 8GB is fine, and totally worth the $$.
The screen issue has been fixed by a firmware update, so as long as you update to the latest firmware, you should be in the clear.
I have a 16GB macy Gray and it is working perfectly so far (1 week of ownership)
However, you mentioned using your iPod in the rain. If you do so, the Touch is not for you! I would not want to get water even near it, because the technology could be very very sensitive to water. It was raining here the other day (in Los Angeles) and I was so scared to use the touch that I took my 8GB 3gen Nano with me instead. And I was still scared to use that.
You will have to take the touch out and look at it if you are going to operate it properly.
The good news:
you can make playlists on the go! That means you can, while it is still dry, set a nice playlist without connecting to your computer. But, if the volume needs to be adjusted, there is a shortcut that would take just a bit of memorization and careful skill. In your pocket, you can double tap the home button, and then the volume, pause and track forward/backward "buttons" pop up. If you can memorize their position and hit them right, the Touch can be operated in your pocket. But make sure your hands are dry!
So it's up to you. I think quality wise, the Touch has had most of its bugs worked out. The only things that will come in the future are additional features.
Good luck and I hope you get it.

Curious question about sleep light.

Currently loving my new 2011 17" MBP, it's been completely great, no problems at all.
I'm just curious about one little thing. My sleep light, seems a little dimmer on the right half. Looking at it at different angles seems to make it look "full". I was just wondering if this is the normal?
Like I said, I love the computer, and I don't plan on returning it because of this, I'm simply curious if this is what it's supposed to look like.
I'm thinking perhaps there's some dust or something in there affecting how it looks at certain angles.

I just got the new 15' mbp myself an have had no problems.
Except the issue you have. Although mine seems like its lost lighting on left side. Its very very minor but I can tell, which bothers me becuase I'v paid $2000 for it brand new for a reason (to look brand new).
Have you had problems with it since than?
An also wondering if you could would you exchange it for a brand new one because I do have 14 days to take back?

Question about debugger is issuing classesForSignature

Hello everybody.
I'm working on a project to implement a dynamically typed language on the JVM using the JSR-292 invokeDynamic infrastructure. Some other members of the team have complained about long pauses during startup when running with the Eclipse Juno debugger, and I've been able to reproduce these in both Juno and Luna.
The problem seems to be that the debugger is making a jdwp classesForSignature request for each class that has been unloaded, and each request requires the jdwp library to iterate over every single loaded class.
Since the Java 8 implementation of invokeDynamic & method handles generates a large number of small anonymous classes (which can be GCed if no longer referenced), and we are also quite careful to ensure our own temporary class files can also be GCed away this produces a lot (several thousand) classesForSignature calls, each of which has to iterate over tens of thousands of classes.
Does anybody know why the debugger is issuing classesForSignature requests for unloaded classes, and if there is some way to stop it?
Thank's a lot!

It is possible in the debugger tool
Once you get the debugger tool, chose from menu:
Breakpoints->Breakpoint at->Method
Regards,
Ravi

A question about sleep procedure

I want to create a process that will call a function periodically with a certain repeating time which is decided by another process.
I write a process with a infinite LOOP, then I use DBMS_LOCK.sleep() to control the repeating time of that function. So I wonder how accurate the sleep() is? I know the accuracy is hundredth of a second. If I set the time is 1.99, will this process really sleep exactly for 1.99 second and then be invoked? Thnaks.

Hi,
I don't know the exact accuracy and I suspect that no guarantees are made. However, simple tests show that dbms_lock is accurate to about +/- .01 seconds.
e.g.
sqlplus
SQL> set timing on
SQL> exec dbms_lock.sleep(1.5555)
SQL> exec dbms_lock.sleep(1.5555)
PL/SQL procedure successfully completed.
Elapsed: 00:00:01.57
You should dismiss the first result since this includes overhead to cache some stuff (although maybe you need to take that into account too).
Hope this helps,
Ravi.

A question about performance ( ram issue? )

Small question. I have a Macbook Pro unibody - it has a Corsair Solid State Drive in it. 4 gigs of ram. I have an external hard drive with a few hundred movies on it. Each movie's icon is notated with a picture of a flag where the movie's origin is. Anywho. When I click the HD to look at all my movies, it takes a bit for all of the pictures to load for the icons. Not only that when I scroll up or down some of the icon pics will disappear, then reappear. In other words - it's slow.
I previously had 8gb of ram in my 17 inch pro (i have a 15 now) - and I don't remember having this problem - but i don't really remember much. My question is - do you think this is a ram issue, an external hard drive issue - as in, it's not super fast, or some other issue. What can i do so when i open this folder up, I don't have serious lag time for the icons to show up? I think it's not a ram issue, i'm guessing it's an external issue - not so much that the external has a problem just that it's now fast, but want to check here to make sure. thanks.

How are you accessing the external harddrive? Firewire 800 is going to be faster than USB2.0 This I would expect, not RAM.
A faster connection or a faster external HD I suspect would be the answer.

Question about spinning ball issues and OS reinstall.

I have a late 2008 white MacBook running Lion. A while back I was having problems with the spinning beach ball appearing anytime I tried to change between apps or websites. I had tried the command+r on bootup, terminal, passwordreset tip to repair the permissions and ACLs. It fixed the issue for a day or two, but that is all. I ended up making the decision to back up my information and reinstall the software. Somehow after the reinstall when I went to restore my data I ended up with two separate user accounts (one was the backup). It really is a pain in the butt to have to switch back and forth between accounts when I need to look for an old file.
Anyway, I am having the same problem again. I never had an issue with my MacBook until I installed Lion. I've gone into the boot menu twice so far today to repair the permissions and ACLs and now I need to do it again. I want to try another OS reinstall, but I was wondering if anyone knew of a way to merge the two user accounts first so that I don't end up with two or three accounts after everything is said and done. I've tried to figure it out myself, but I've not had much luck.

Yeah, I've used the repair utility in the recovery menu. Sometimes when I repair the disk and run it a couple of times I find that the second time there will be even more errors than before.
That sounds like your doing repair permissions. There are certain permissions that will always show when you repair permissions, and are not an error. See this Apple note listing them.
A repair disk, which is different than repairing permissions, should not yield any error messages. If it does, you have an issue(s) that needs to be fixed. You should go back and do a repair disk. It should give you some statistics then tell you everything is OK, or give you error message(s).
Part of your spinning beach ball problem may be your 2GB of memory. Consider upgrading using either OWC or Crucial memory, both which work well in macs. A 4GB upgrade (2 x 2GB) can run $20 to $60.

Really silly question about Sleep

I am accustomed to my old MacBook Pro, which recently died, being put to Sleep by closing the lid.
I am accustomed to my ancient G4 iMac, where you put it to Sleep by the keyboard combination Command-Option-Eject.
I just bought a refurbished late-2012 iMac with the Bluetooth keyboard and mouse. Do I have to invoke Sleep by selecting in in the Apple menu, or is there a new keystroke command?
Thanks in advance,
--WA

You can put your Mac to sleep by two ways:
1. Through a shortcut: hold Option, Command and Eject keys.
2. Go to  > Sleep.
Both options will work by the same way because both do the same

Question about sleeping

I have to check at regular intervals for files in a directory and do some work with the files. I want to check every 5 minutes and see if the files have been updated or changed (by some other nonJava process), do some processing on the files and sleep for the next 5 minutes. I was not sure how I can check the files at the regular intervals. Any help is welcome. Thanks.
-kn

Hmmmm...well, I can think of two ways:
1. Use Thread.sleep(int millis)
"(from 1.4 api)Causes the currently executing thread to sleep (temporarily cease execution) for the specified number of milliseconds. The thread does not lose ownership of any monitors.
Parameters:
millis - the length of time to sleep in milliseconds."
In your case, milliseconds would be 5 (minutes) * 60 (seconds) * 1000 (milliseconds) = 300000
2. Make your program check the files only once and run it every 5 minutes in a cron job. If you don't know what this is or are not on Unix, maybe check out Scheduled Tasks on Windows.
The first option is best for you, probably...
Tarabyte

I just got a new macbook pro and I had a question about sleep vs off.

When do you turn it off? i hear from alot of people that they never turn it off, rather they keep it on sleep mode, even overnight. What os the best for your macbook?

One of the reasons that people just sleep it is that OS X is based on the Unix operating system, which was designed for servers, which means the OS was designed to be run 24/7. It has no problem with not being shut down in weeks.
And in fact that's how I run my Macs. They stay up for weeks, sleeping at night, often they are only restarted if a software update requires it.
Avoiding a full shutdown has many practical benefits too. You can leave many apps and documents open when you sleep it, and when you wake it, all your work and logins are already open and waiting for you.
In other words, taking advantage of sleep means you have an "instant-on" computer. You don't need to care how long it takes a computer to boot up, if you hardly ever boot up, and if your own wake-to-work time is basically one or two seconds with no need to re-open anything.
I and many other Mac users have successfully used sleep-only habits during extended travel. At least a couple times I have left on a trip, carried my MacBook Pro on a plane, across continents and oceans, and trains and buses and walking, and all the way back home, in a single OS X uptime session, never restarting or shutting it down at all. (Although sleeping it during transport, of course.)

Really really easy question about sleeping MBP

I have a macbook pro and i am running a program that cannot save for whatever reason, and i want to know if i can close the screen (putting the computer to sleep, i havent changed any defaults), will my program QUIT causing me to loose all of my work, or will it remain "open" and open with my work the next time i open my screen
thanks
ben

Your program may quit for other reasons which you have no control over.
Backup and save your data frequently*:
http://www.macmaps.com/backup.html
- * Links to my pages may give me compensation.

Question about VB OracleConnection

Hi all,
I would like to open an OracleConnection in my VB code and then call another vb function (in order to maintain good modular programming standards) within the same program using the same oracle connection whenever I try this I get a no connection open type of error.
So just to be clear, can I pass the connection between sub procedures and functions in order to not have to open and close a bunch of connections?

Sen,
Your question seems to be related to one of your previous postings in the Measurement Studio for Visual Basic Discussion Forum. Whenever you have further questions about the same issue, instead of posting a brand new question, you can simply add a "Comment" to the reply you got (by clicking on "Comment on this answer"). Here's a link to your previous posting where you can do this:
how can i control the DAQ directly from VB
Besides, you'll have a better chance of getting an answer in the Measurement Studio for Visual Basic Discussion Forum since the question is related to that product.
Regards,
Ca
rlos L

About the communication issues in the client-server program

About the communication issues in the client-server program
Hi, I have some questions about the communication issues in a java project, which is basically the client and server architecture. In brief, the client, written in java, can be deployed anywhere, and in the following part, assume it is in the LAN (Local Area Network) which is connnected to the internet through the firewall and/or proxy, and the server, written in
java too, simply provides the listening service on a port in a remote machine. And assume the server is connected to the internet directly so that the scenario can be simple to focus on the core questions.
My questions are as follows:
1 About the relationship between the communication port and protocol
Generally, protocols at the application level like HTTP, FTP have their own default port, e.g., HTTP is corresponding to 80,
FTP is to 25. But it is NOT necessary for the web server to provide the HTTP listening service at port 80, right? E.g, Tomcat provides the HTTP listening service at 8080. So it means the default relationship between the application protocl and their port is some routine, which is not necessary to follow, right?
2 Assume a LAN connected to the internet through a proxy, which only allows HTTP protocol, then questions are:
2.1 Does the proxy recognize the HTTP request from the client by the port number (carried in the request string)? For example, when the server provides the HTTP listening service at 80, then the request from the client will include the port number 80, then the proxy will parse such info and decide if or not the request can be out.
2.2 Does the proxy recognize the HTTP request from the client by protocol (carried in the request string)? For example, the protocol used in the communicatin should be included in the request, then the proxy can parse it to make the decision.
3 In java programm, if using the HTTP protcol, then on the client: the corresponding API is java.net.URLConnection, right?
If using the TCP protocol directly, then on the client:the corresponding API is java.net.Socket, right? In both cases, the server side use the same API, java.net.ServerSocket?
Is it correct to say that the communication by Socket is faster than URLConnection?
4 Take MSN messenger for example, which protocol does it use? Since proxy configure is only the possible option, so I guess generally the TCP protocol is used directly so that the better perfomrance can be achieved, right?
5 Given 3 computers within the same LAN, can the client, proxy, server environment above be correctly simulated? If so, can
you recommend me some typical proxy program so that I can install it to configure such an enviroment to perform some test?
6 I guess there should be some software to find out which port number a given program/process is going through to connect to
the remote machine, and which port number a given program/process is listening on? Also, what protocl is used in the given
communication.
7 Finally, regarding each of the above questions, it will be highly appreciated that if you can recommed some references,
tutorials, books etc. In summary, what I care about is how to enable the java client behind the proxy and firewall to
communicate with the remote server without problems, so if you know some good tutorials plz let me know and thx in advance!
Finally, thanks for your attention so such long questions =).

FTP is to 25. But it is NOT necessary for the web
server to provide the HTTP listening service at port
80, right? E.g, Tomcat provides the HTTP listening
service at 8080. So it means the default relationship
between the application protocl and their port is
some routine, which is not necessary to follow,
right?Not sure what you're saying here.
There must be a server listening on some port. The client must know what port that is. If you open the connection using the Socket class, you'll explicitly specify the port. If you use some higher level class like URLConnection or something in the commons Net package, there's probably a default port that will be used if you don't explicitly specify another.
There's no way for the client to know that the HTTP request will go to port 80 instead of port 8080. If you think the the client contacts the server without explicitly naming a port, and then asks the server "get me your HTTP server", and the port is determined from that, you're mistaken.
Not sure if you're thinking that, but it sounded like you might be.
2 Assume a LAN connected to the internet through
a proxy, which only allows HTTP protocol, then
questions are:
2.1 Does the proxy recognize the HTTP request
from the client by the port number (carried in the
request string)? For example, when the server
provides the HTTP listening service at 80, then the
request from the client will include the port number
80, then the proxy will parse such info and decide if
or not the request can be out. I'm not sure, but I think most proxies and firewalls are configured by ports. I thought I'd heard of more sophisticated, higher-level ones that could understand the content to some degree, but I don't know anything about those.
3 In java programm, if using the HTTP protcol,
then on the client: the corresponding API is
java.net.URLConnection, right?That's one way.
You might want to look into this:
http://jakarta.apache.org/commons/httpclient/
If using the TCP protocol directly, then on the
client:the corresponding API is java.net.Socket,
right? In both cases, the server side use the same
API, java.net.ServerSocket? A Java client will user Socket, and a Java server will use ServerSocket and Socket.
Is it correct to say that the communication by Socket
is faster than URLConnection?Probably not.

I have a question about using multiple ipads in our school. Each of our teachers have a iPad and AppleTV in their classroom. The issue is, with our classrooms so close in proximity to one another, is there a way to pair teacher

I have a question about using multiple ipads in our school. Each of our teachers have a iPad and AppleTV in their classroom. The issue is, with our classrooms so close in proximity to one another, is there a way to pair teacher #1 iPad to its AppleTV without effecting/projecting onto the adjacent teachers #2 classroom AppleTV?

Not as such.
Give the AppleTV units unique names and also enable Airplay password in settings with unique passwords for each teacher.
AC

Question about sleep resume issue

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