A better way to make Automator mount a volume?
I made an Automator application, using the Record function, to mount a volume on a drive connected to my Mini. I also made a similar one to eject it. I use them as Calendar-triggered events as part of my backup scheme.
They work well ... until I restart the Mini, when occasionally my two connected drives will mount in a different order. What happens then is that the sequence of mouse clicks recorded in Automator don’t find the correct volume.
I wonder if there’s a better way to automate the mounting of a currently ejected disc (and later its ejection). Automator, as far as I can see, does not have the actions I need. It has Ask For/Connect to/Get specified Servers, but they seem only to be for network-connected stuff.
Anyone know a better way?
Welcome to Unix.
The key part of that shell script code is the test for the existence of the mount point (if [ -e /Volumes/dbamp ]), followed by a conditional block that — in the "else" section involved when the mount point wasn't found — creates it, and then mounts an AFP file system on that mount point. Most of the rest of the baggage in that script is used to get the mysqldump database dumps over onto the target disk, once it's been mounted.
Here's a very quick overview of the basics of scripting , Apple's introduction to the command line manual, there's a generic bash intro (which is good, but doesn't line up exactly with how bash is implemented on OS X) and O'Reilly has some reasonable books on bash and bash scripting. Once you know and are comfortable with the basics, there are advanced bash guides available.
Similar Messages
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A better way to make a pdf form?
Hi,
I've got a form that I use. Here is my process:
Created form layout in InDesign, export to PDF, in PDF create form fields that are clickable, check boxes.
Is there a way to give those check boxs in InDesign som sort of script or name that will get exported with the PDF so that I can skip doing it in Acrobat?
Basically, I want to tag my check boxes in InDesign so that when they export to PDF they are live check boxs, selectable in Acrobat. Can it be done?
Thanks,
StanWelcome to Unix.
The key part of that shell script code is the test for the existence of the mount point (if [ -e /Volumes/dbamp ]), followed by a conditional block that — in the "else" section involved when the mount point wasn't found — creates it, and then mounts an AFP file system on that mount point. Most of the rest of the baggage in that script is used to get the mysqldump database dumps over onto the target disk, once it's been mounted.
Here's a very quick overview of the basics of scripting , Apple's introduction to the command line manual, there's a generic bash intro (which is good, but doesn't line up exactly with how bash is implemented on OS X) and O'Reilly has some reasonable books on bash and bash scripting. Once you know and are comfortable with the basics, there are advanced bash guides available. -
Better way to communicte with TwinCAT
Hi to everyone,
i have to control a servovalve (MOOG) in etherCAT using TwinCAT and LabView. So i have to set ControlWord and Pressure Setpont from LabView to TwinCAT.
Can you say me what is the better way to make this? ActiveX or DLL. And are there other examples in add to bechoff site examples? Or documentations
Thank you very much in advances
Mauro RivosecchiI'm not sure you can say that either ActiveX or DLLs are better than the other. Personally I prefer to work with ActiveX because the APIs tend to be better. But at the end of the day, you use what you get from the vendor.
In terms of code samples, there is a level of personal preference here as well. When working with something new, I like to see examples written in VB because I find it easy to read and grasp what it is that code is doing. In terms of sources for example code, you should check to see if the other vendor has user forums. It's unlikely that you will find another LV user, but you might be able to get snippets of code in some other language that illustrate how to do specific things.
Mike...
Certified Professional Instructor
Certified LabVIEW Architect
LabVIEW Champion
"... after all, He's not a tame lion..."
Be thinking ahead and mark your dance card for NI Week 2015 now: TS 6139 - Object Oriented First Steps -
I want also to make a DVD, but can't see where the .mov files are.
And is this a best practice or is there a better way to do this, such as with a master file?
thanks,
/johnI would export to a file saved on your drive as h.264, same frame size. Then import that into youtube.
I have never used FCP X to make a DVD but I assume that it will build the needed vob mpeg 2 source material for the disk.
I used to use Toast & IDVD. Toast is great.
To "see" the files created by FCP 10.1.1 for YouTube, rt. (control) click on the Library Icon in your Movies/show package contents/"project"/share. -
Quick, easy ways to make images look better?
What are the best ways to make images look a bit better? I shot my footage using a pretty bad camera, so quality already isn't the greatest, but what is the best way to make images look a bit more "movie-like"? The 3way color correstion is nothing for me, it's too hard to make images look good, they'll quickly turn too yellow or red, etc... Something to improve contrast maybe? Using Image Control: Brightness and contrast (bezier) doesn't seem to help much.
Okay, I took a couple of screenshots:
http://www.majhost.com/gallery/TheDarkBrickX/Random/film/afbeelding_1.png
http://www.majhost.com/gallery/TheDarkBrickX/Random/film/afbeelding_2.png
http://www.majhost.com/gallery/TheDarkBrickX/Random/film/afbeelding_3.png
http://www.majhost.com/gallery/TheDarkBrickX/Random/film/afbeelding_4.png
Now I don't know alot about image quality or color, but I think there is not enough contrast? It all looks very cold. Luckily, image quality isn't the most important thing in this project, but it would be nice to be able to touch it up a little bit. -
"Automation" is too manual - is there a better way?
I'm using automation to apply different effects (echo, reverb, etc) at various points in my track - but I can't believe I have to keep doing the same thing manually every time I want to change effects at each point. Is there a better way to apply the same automation of effects to various points (or regions) in the track?
Thanks in advance!OMG...HangTime - you saved me a TON of work...THANKS!!!
Nice site btw, well done
J. -
Unable to remove mounts, multiple mounts - is there a better way?
I have a cifs/smb share that is shared from a Linux box and mounted on a Mac OS X box. I use finder -> Cmd-K to mount the share, but have experienced the following:
1. I have 2 shares mounted as /Volumes/sharename. They seem to time out(?), though sometimes the folder names remain in /Volumes. If I mount them again they appears as /Volumes/sharename-1. I need to have a fixed name for these mounts, as they are referenced by a shell script that runs regularly.
2. For some reason or other, the shell script is hanging hard - kill -9 doesn't touch it, so I assume it is hanging on an I/O call to a disappeared share - sharename-1 was there from earlier testing, but one of the shares had disappeared. I tried mounting again, but now I have 3 folders in /Volumes, ie /Volumes/shareA, /Volumes/shareA-1 and /Volumes/shareB, none of which work. Doing a "ls -l" in any of these hangs hard.
What is the right way to mount the shares at a predefined location, preferably at boot time? Do I have to disable anything? I know what I want, and would like Finder/OS X let me do it and stop trying to help or clean up, even after days of not using the shares.I have a cifs/smb share that is shared from a Linux box and mounted on a Mac OS X box. I use finder -> Cmd-K to mount the share, but have experienced the following:
1. I have 2 shares mounted as /Volumes/sharename. They seem to time out(?), though sometimes the folder names remain in /Volumes. If I mount them again they appears as /Volumes/sharename-1. I need to have a fixed name for these mounts, as they are referenced by a shell script that runs regularly.
2. For some reason or other, the shell script is hanging hard - kill -9 doesn't touch it, so I assume it is hanging on an I/O call to a disappeared share - sharename-1 was there from earlier testing, but one of the shares had disappeared. I tried mounting again, but now I have 3 folders in /Volumes, ie /Volumes/shareA, /Volumes/shareA-1 and /Volumes/shareB, none of which work. Doing a "ls -l" in any of these hangs hard.
What is the right way to mount the shares at a predefined location, preferably at boot time? Do I have to disable anything? I know what I want, and would like Finder/OS X let me do it and stop trying to help or clean up, even after days of not using the shares. -
A better way to execute a series of external commands?
Hi,
Consider the code snippet...
Process proc1 = rt.exec("Some external command");
Vector vecOutput = outputGobbler.getOutput() ;
String[] strAlterCmds = new String[vecOutput.size()];
for ( int k = 0 ; k < vecOutput.size() ; k++ )
strAlterCmds[k] = new String();
strAlterCmds[k] = "cmd.exe /c blah.... " +(String) vecOutput.elementAt( k )+ " ;
Process proc2 = rt.exec(strAlterCmds[k], null);
StreamGobbler errorG = new
StreamGobbler( proc2.getErrorStream(), "Error") ;
StreamGobbler outputG = new
StreamGobbler( proc2.getInputStream(), "Output") ;
errorG.start() ;
outputG.start() ;
int exitVal1 = proc2.waitFor();
The second part of the execution is taking AGES and I am not sure forking a new process for runtime execution is the best alternative here.
I would be glad if someone can point me to a smarter solution.
In short: I intend to execute a series of commands using RTE depending on the values I get in the loop.
Thanks.Jared,
Thank you for responding to my posted message. Rendezvous is a new concept to me, maybe
it's the solution to my problem. I have been trying to read the on line manual and
example VIs from National Instruments website. I still have a hard time to understand
the concept.
One of the example I saw is using rendezvous to run some sub VIs. But in my case, I have
only one VI that is a while loop. Inside the while loop, there are a few tasks running
simultaneously. I don't know whether it will serve my purpose.
Guangde Wang
Jared O'Mara wrote:
> Guangde,
>
> Referring to your 2nd method, use rendezvous (under advanced>>synchronize
> on function palette) to synchronize two processes. There are good examples
> that come with labview. basically, you cre
ate a rendezvous, giving it a
> size. Using the wait on rendezvous vi, a function will not continue until
> all rendezvous have reached that point. Using this method, you can synchronize
> your 2 while loops.
>
> Jared
>
> Guangde Wang wrote:
> >I tried two ways to control the tempo of my program.>>One is to use the
> While Loop's counter and a wait. The drawback of this>method is the cycle
> length is dependent on the measuring load. So if the>program runs for days,
> it will be significent off the real time.>>The other way is to use the difference
> of the Tick Count. It provides>accurate timing but the problem is the sychronization
> of the clock cycle>and the While Loop cycle. I can try to put a little bit
> wait but still>can not sychronize them very well. So after a while, there
> will be two>measures get together.>>I don't know whether there are some better
> ways to control the program>or whether we have some ways to improve either
> or both of the above
two>methods to make them work better. Please let me
> know if you have any>suggestion.>>Thank you in advance,>>Guangde Wang> -
A better way to do ChangeListeners?
I find myself having to implement multiple change listeners in a single class, and I was wondering if there was a way to do this that wouldn't trigger compilation problems. For example, let's say you have a LineChart, and you want the chart to listen for changes to the data, but also changes to the user's smoothing algorithm selection. You might try declaring your class like this:
public class MyGraph implements DataChangeListener, SmoothingChangeListener {....where you've declared DataChangeListener, and SmoothingChangeListener as
DataChangeListener extends ChangeListener<SomeDataStructure>{...}
SmoothingChangeListener extends ChangeListener<ISmoothable>{...}The compiler will tell you immediately that MyGraph can only implement one ChangeListener.
In real life, I have classes that have to listen for multiple types of events, and both for the sake of semantic clarity and for the sake of feasibility, they need to implement those change listeners. I've used event buses in certain cases, but they tend to obscure what the class is actually listening to.
Is there a better way of doing this?Event handling code is, almost by definition, controller code. So it makes sense (to me at least) to have event handling code in the controller. You can put the code I showed previously
someDataSeries.dataProperty().addListener(new ChangeListener<...>() {
public void changed(...) {
someChart.animatedProperty().addListener(new ChangeListener<Boolean>() {
public void changed(...) {
});directly in your controller. (I suppose I thought "MyGraph" was your controller, though the name should have implied otherwise to me.)
However, if you really want to have the event handlers defined elsewhere, you can still do so, while using anonymous inner classes (or lambdas when we all upgrade next September):
public class MyGraph {
private final ChangeListener<SomeDataType> dataListener = new ChangeListener<SomeDataType>() {
@Override
public void changed(...) { ... }
private final ChangeListener<ISmoothable> smoothingListener = new ChangeListener<ISmoothable>() {
@Override
public void changed(...) { ... }
public ChangeListener<SomeDataType> dataListener() { return dataListener ; }
public ChangeListener<ISmoothable> smoothingListener() { return smoothingListener ; }
}and you can then do
dataSource.addListener(myGraph.dataListener());
smoothingProperty.addListener(myGraph.smoothingListener());But I recommend the approach I first suggested: I use this all the time. -
We are a small team in collaboration on a book-length manuscript.My editors are inserting hundred of Notes into the document that I must cycle through and resolve each one. But I find the Note icon soooo tiny. When I'm at full page I can barely see those little guys. Is there any way to make the Note indicators bigger or something? In general. I don't see this Notes tool as very robust compared to change tracking type features found in word processors.
I just want a better way to manage the Notes flow.Eugene Tyson wrote:
I find using Notes in Story Editor to be way better.
CTRL Y or CMD Y
Then you can Expand/Collapse notes in Story Editor.
Far easier to read and implement there, or if you need to switch back to layout just hit the shortcut again.
It's also useful to tile a Story Editor window and the corresponding document's window, to have both views of the content.
HTH
Regards,
Peter
Peter Gold
KnowHow ProServices -
A better way to generate the needed XML?
I am working on a 10.2 system and looking to see if there is a better way to generate the resulting XML than what I have come up with. Here is a test case and the output it generates. I don't really like querying the table for each column needed as the real table has eight columns I am pulling. I would like to make one pass on person_h and get the info needed instead of making eight passes, but not sure if it is possible.
with person_h as
(select 1 id, 'M' gender, 'W' race, '170' weight from dual union all
select 1, 'M', 'W', '170' from dual union all
select 1, 'M', 'W', '180' from dual union all
select 1, 'M', NULL, '175' from dual union all
select 1, NULL, 'W', NULL from dual
select xmlelement("Person",
(select xmlagg(xmlelement("Sex", gender))
from (select distinct gender
from person_h
where id = 1
and gender is not null) pg),
(select xmlagg(xmlforest(race as "Race"))
from (select distinct race
from person_h
where id = 1) pg),
(select xmlagg(xmlforest(weight as "Weight"))
from (select distinct weight
from person_h
where id = 1) pg)
).getstringval()
from dual;
Output
<Person>
<Sex>M</Sex>
<Race>W</Race>
<Weight>170</Weight>
<Weight>175</Weight>
<Weight>180</Weight>
</Person>Note: Previously posted on the XML DB forum at A better way to generate the needed XML? but still looking for other solutions so putting in front of more eyes here. I have considered using a WITH statement to do the initial query on person_h but haven't tested that yet to see what Oracle really will do as just getting back around to this lower priority task of mine.I'm using the WITH statement to simulate a table and DUAL/UNION ALL to create data in that "table". I've seen it used plenty of times in this forum so not sure why a problem for this example. The actual SQL/XML statement hits that "base table" three times, so I didn't include all eight columns because three columns is sufficient to show the problem in the way I coded the SQL. Following the SQL is the sample OUTPUT that SQL statement generates and that is the output I created and need. I'm just looking for other options to achieve the listed output.
-
I have been wondering if there is a better way to detect single clicks Vs double clikcs than the model currently implemented. I am sure all of you have run into the problem of even though an event listener detects a double click eventually, it detects the single click first, so often you have to compromise the quality of your software to account for that. I have considered writing my own custom handler using threads and such, but it seems to me there must be a better way out there that I just have not been able to find. I need a way to detect double clicks, and fool the machine into believing no single click has occured. Must I re-invent the wheel?
ACI agree that GUIs should have some uniformity to
them..especially as we enter an age where computers
are ubiquitous. But there are some situations where
customized behavior is preferrable. If you have ever
worked with movie special effects software, some art
software, music software, especially, you know that to
make a GUI intuitive, sometimes liberties must be
taken with the 'standard' gui design.The application determines the standard not the OS nor the GUI.
And to say 'Your code is not standard, therefore the
fact that java cannont accurately distinguish between
single and double clicks is your problem' smacks of
nonsense to me.
We all know that Java is a great
language.Java is not just a language it is a platform and a philosophy.
It is quicker and easier to program in,
than c++, but it is not at full maturity. Every c++
development environment I have ever used had the
ability built in to distinguish between a true single
click and a double click.As does Swing..
I love Java, but most
programmers could fill a page with the enhancements
that it needs. Not all enhancements are practical.
Like many I balked when I first started with Java at
the fact that it did not have true multiple
inheritence. I now realize that
I never really needed it anyway. But some things, eg
templates, I definitely could still use. That being,
said, thanks for the dialog. Templates are a complicated horror, unless you really need your software to be truly adaptable you will never use them. Even MS, Sun and IBM disposed of that need a long time ago. -
A better way to Re-Order the Sort in Pivot view ?
Hello,
Question first- Is there a better way to do this?
Background- Have a simple pivot table w/ requirements to put the Status column in order that makes sense to the business not alphabetical.
Example, # of Service Req with Status needs to be listed as Assigned, Accepted, Completed, Closed, Re-assigned.
My solution was to create a column iin table view, use a CASE statement to say when Accepted =1 etc. I then sorted ASC, hid the column in table view and then pivot view I added Status column and hid the new CASE column. I am getting the results I expected but I was wondering if there was a better way to do this?
Thanks- NeallyAs far as the Presentation Layer is concernd (i.e., in Answers) your way is the best I can think of. The only way you can sort a list of values apart from a way the system could automatically determine (e.g., alphabetically, chronologically, numerically, etc.) is to create your own definition. Without human intervention or customized rules, there is no way any system would know that "C" should come before "S" (as in "Assigned" and "Accepted", or that "O" should come before "L" as in "Completed" and "Closed").
Since the system knows how to order numbers (e.g., 1,2,3, etc.), it makes sense to create your "rule" (using your CASE statement) to assign each status level to the appropriate "number" in the sequence.
That's what I would do. The only addition I can add is you could do this in the rpd by adding an "order" column to your LOVs in the table and exposing that as a column in the Presentation Layer. Then you can use that order column as the sort. -
Hello Flash Community!
Thanks in advance for any help/advice.
So, what I'm looking for here is some high level advice as far as a better way to do things. I feel like so often with programming I'm just breaking my neck to get things working when I know there is a better way (presumably based in OOP) to go about things. I just need someone to look at what I've done and point it out to me.
So, here's what I've done so far: http://www.catherinemix.com
And it works pretty well as far as I'm concerned! The app dynamically loads as many images as my client (my mom ) puts on the server, resizes them dynamically, adds L/R arrow buttons dynamically based on how many images are involved, etc... But the downside to all that dynamic flexibility is that I haven't found a way to load the thumbnail images (and their respective full size images) one by one. Instead, I have to load them all together and keeping the user waiting that long is unacceptable to my mom. What I would love is for each thumbnail/full size combo to get its own preloader bar in the location it will eventually be embedded, but I haven't found a way to do that and account for an unknown number of images (as it is determined dynamically.)
Any ideas here? I would specifically like to know which functions y'all use when you need to load multiple files simultaenously (AttachMovie?)
I have posted the kluge-y code which handles all of the image gallery functions below.
Thanks! and Be Well
Graham
import fl.transitions.Tween;
import fl.transitions.easing.*;
var wait:PleaseWait = new PleaseWait();
wait.x = 400;
wait.y = 50;
addChild(wait);
var waitFadeIn:Tween = new Tween(wait, "alpha", Regular.easeOut, 0, 1, 1, true);
var titleText:TextField;
var textSprite:Sprite;
//thumbH is the ideal height for our thumbnails, and thumbW the ideal width
var thumbH = 120;
var thumbW = 170;
//loadH is the ideal height for our fullsize images, and loadW the ideal width
var loadH = 500;
var loadW = 600;
//some counter numbers
var thumbNum = 1;
var loadNum = 1;
//some Sprites which need to be accessed by more than one function
var darkStage:Sprite;
var loadSprite:Sprite;
//Let's instantiate some Arrays that we can load the images into.
//Since Arrays of Loaders can't be copied, we have to go through the process twice.
var thumbArray:Array = new Array();
var loadArray:Array = new Array();
firstLoad();
firstThumb();
function firstLoad():void {
trace("firstLoad");
var loadski = new Loader();
loadski.load(new URLRequest("images/fulls/0.png"));
loadski.contentLoaderInfo.addEventListener(Event.COMPLETE, loadComplete);
loadArray.push(loadski);
//Starting with the above Loader, this function will execute every time the Loader completes
function loadComplete(e:Event):void {
trace("loadComplete");
var loadski = new Loader();
loadski.load(new URLRequest("images/fulls/" + loadNum + ".png"));
loadArray.push(loadski);
loadski.contentLoaderInfo.addEventListener(Event.COMPLETE, loadComplete);
loadski.contentLoaderInfo.addEventListener(IOErrorEvent.IO_ERROR, loadError);
loadNum++;
//Once the Loader goes too far by attempting to load an image that doesn't exist on the computer,
//it will thorw an IOError Event at which point the following function will execute.
function loadError(e:IOErrorEvent):void {
trace("loadError");
loadArray.pop();
loadNum = 0;
loadResize();
//We use the pop function to remove the most recently added Loader instance, since we know it
//contains a null reference (beacuse the IOError Event is asynchronous.)
thumbArray.pop();
//We reset the counter variable.
thumbNum = 0;
//Add the little arrows that allow the user to click to see more thumbnails (if there are more
//than 8 images on the server.)
removeChild(wait);
addArrows();
//Let's resize the images to thumbnail size and add them to the display list.
thumbResize();
addClickOnThumb();
function loadResize():void {
trace("loadResize");
for (var ex = 0; ex < loadArray.length; ex++) {
//If the width of the image is greater than the ideal width, OR the height is greater than the ideal height...
if ( loadArray[loadNum].content.width > loadW || loadArray[loadNum].content.height > loadH) {
//And if the width of the image is greater than the height, apply Scaler 1...
if ( loadArray[loadNum].content.width > loadArray[loadNum].content.height ) {
//Scaler 1 is the ratio of the ideal width to the image width
var scaler1 = loadW / loadArray[loadNum].content.width;
trace(loadNum + " load scaler 1: " + scaler1);
//Apply Scaler 1 to both the width and height of the image
loadArray[loadNum].content.scaleX = loadArray[loadNum].content.scaleY = scaler1;
//Otherwise, apply Scaler 2
} else {
//Scaler 2 is the ratio of the ideal width to the image height
var scaler2 = loadH / loadArray[loadNum].content.height;
trace(loadNum + " load scaler 2: " + scaler2);
//Apply Scaler 2 to both the width and height of the image
loadArray[loadNum].content.scaleX = loadArray[loadNum].content.scaleY = scaler2;
trace("loadArray[loadNum].content.height = " + loadArray[loadNum].content.height);
trace("loadArray[loadNum].content.width = " + loadArray[loadNum].content.width);
//Otherwise... (that is, the image width and height are in both cases less than the ideal)
} else {
//And if the width of the image is greater than the heigh, apply Scaler 3
if ( loadArray[loadNum].content.width > loadArray[loadNum].content.height ) {
//Scaler 3 is the ratio of the ideal width to the image width
var scaler3 = loadW / loadArray[loadNum].content.width;
trace(loadNum + " load scaler 3: " + scaler3);
//Apply Scaler 3 to both the width and height of the image
loadArray[loadNum].content.scaleX = loadArray[loadNum].content.scaleY = scaler3;
} else {
//Scaler 4 is the ratio of the ideal width to the image height
var scaler4 = loadH / loadArray[loadNum].content.height;
trace(loadNum + " load scaler 4: " + scaler4);
//Apply Scaler 4 to both the width and height of the image
loadArray[loadNum].content.scaleX = loadArray[loadNum].content.scaleY = scaler4;
loadArray[loadNum].content.x = - (loadArray[loadNum].content.width / 2);
loadArray[loadNum].content.y = - (loadArray[loadNum].content.height / 2);
loadNum++;
function firstThumb():void {
trace("firstThumb");
//Let's populate the first Array with Loaders that load the images Mom has put on the server.
//We have to do this first Loader object by hand to get the Event.COMPLETE-based-loop going.
var thumbski = new Loader();
thumbski.load(new URLRequest("images/thumbs/0.png"));
thumbski.contentLoaderInfo.addEventListener(Event.COMPLETE, thumbComplete);
//We add the MouseEvent.CLICK listener to the actual Loader instance so that, later on, in the
//function enLarge, we can make use of the currentTarget parameter to correlate the Array index of
//the thumbnail that the user is clicking on with that of the loadArray.
thumbski.addEventListener(MouseEvent.CLICK, enLarge);
thumbArray.push(thumbski);
//Starting with the above Loader, this function will execute every time the Loader completes
function thumbComplete(event:Event):void {
trace("thumbComplete");
var thumbski = new Loader();
thumbski.load(new URLRequest("images/thumbs/" + thumbNum + ".png"));
thumbski.contentLoaderInfo.addEventListener(Event.COMPLETE, thumbComplete);
//We add the IOErrorEvent listener so that as soon as this error is thrown, we will exit this loop
//and proceed to the next logical step in the program can be taken.
thumbski.addEventListener(MouseEvent.CLICK, enLarge);
thumbArray.push(thumbski);
thumbNum++;
function addArrows():void {
//Let's determine how many batches there are. A batch is the minimum amount of thumbnail images
//mom wants to show up onscreen at a time. In this case, she has decided on 8.
var batches = Math.ceil(thumbArray.length / 8);
//The variable m is part of a kluge fix related to the calculation of startX (explained below.)
var m = 0;
//Pseudocode for this loop: If there are at least two batches, then...
//We do this because less than 2 batches doesn't warrant arrows
if (batches > 1) {
for (var k = 1; k < batches; k++) {
//triW is the desired width of our arrows
var triW = 20;
//startX is the x position of the start of our rightward facing triangle(s)
//The formula says: Our x starting position should be a triangle width shy of the
//far edge of the stage (multiplying it by k ensures it happens as many times
//as there are batches, which is why we intialize k = 1.) Every subsequent iteration
//of the formula has to add a triangle's width worth of distance, except for the
//very first one, which is why it is multiplied by m, which is initially set to 0.
var startX = (((stage.stageWidth - triW) * k) + (triW * m));
//We want the arrows to sit perfectly between the two rows of thumbnails. Since the
//max height of every thumbnail is thumbW, that would seem to be the natural choice
//for the starting y position of the arrows. But, we actually have to use thumbW/2
//because the thumbnails have already been offset by half of thumbW due to being
//aligned vertically with each other.
var startY = (thumbW / 2);
//This is the rightward facing triangle
var tri:Sprite = new Sprite();
tri.graphics.beginFill(0xFFFFFF);
tri.graphics.moveTo(startX, startY);
tri.graphics.lineTo(startX, (startY + triW));
tri.graphics.lineTo((startX + triW), (startY + (triW/2)));
tri.graphics.lineTo(startX, startY);
tri.graphics.endFill();
tri.buttonMode = true;
tri.useHandCursor = true;
tri.addEventListener(MouseEvent.CLICK, moveLeft);
addChild(tri);
//This is the leftward facing triangle
var tri2:Sprite = new Sprite();
var startX2 = (startX + (triW * 2));
tri2.graphics.beginFill(0xFFFFFF);
tri2.graphics.moveTo(startX2, startY);
tri2.graphics.lineTo(startX2, (startY + triW));
tri2.graphics.lineTo((startX2 - triW), (startY + (triW / 2)));
tri2.graphics.lineTo(startX2, startY);
tri2.graphics.endFill();
tri2.buttonMode = true;
tri2.useHandCursor = true;
tri2.addEventListener(MouseEvent.CLICK, moveRight);
addChild(tri2);
//Increase m (see above)
m++;
//This function moves the entire Gallery MovieClip to the left 800 pixels.
function moveLeft(event:MouseEvent):void {
var leftTween:Tween = new Tween(this, "x", Regular.easeOut, this.x, (this.x - 800), .5, true);
//This function moves the entire Gallery MovieClip to the right 800 pixels.
function moveRight(event:MouseEvent):void {
var rightTween:Tween = new Tween(this, "x", Regular.easeOut, this.x, (this.x + 800), .5, true);
//This function resizes the loaded images to the desired thumbnail dimensions and adds them
//to the display list.
function thumbResize():void {
//The highest level of organization of thumbnails is the batch. There are only as many batches
//as the length of the thumbArray divided by 8 (the max amount of thumbnails in a batch, as determined
//by mom.)
for (var batch = 0; batch < Math.ceil(thumbArray.length / 8); batch++) {
trace("batch " + batch);
//This Sprite serves as the container that we use to position entire batches
var batchSprite: Sprite = new Sprite();
//The logic behind setting the x position of the batchSprite to 800 x batch should be self-evident --
//we want each new batch to be 800 pixels to the right of the former one -- but the addition of (thumbW
//divided by 1.5) is a kluge fix for how much space to give the batches on left margin.
batchSprite.x = (thumbW / 1.5) + (batch * 800);
addChild(batchSprite);
//The second highest level of organization for our thumbnails is the row. Our grid of thumbnails is
//two rows deep.
for (var row = 0; row < 2; row++) {
trace(" row " + row);
//The third highest level of organization for our thumbnails is the column. Our grid of thumbnails is
//four columns deep.
for (var col = 0; col < 4; col++) {
trace(" col " + col);
trace(" thumb " + thumbNum);
if (thumbNum < thumbArray.length) {
//The following is the logic structure for handling the resizing of images. The goal was to develop
//a system robust enough to allow my mom to put whatever size images she wanted on the server and the
//app would use them. The logic is explained at each step...
//If the width of the image is greater than the ideal width, OR the height is greater than the ideal height...
if ( thumbArray[thumbNum].content.width > thumbW || thumbArray[thumbNum].content.height > thumbH) {
//And if the width of the image is greater than the height, apply Scaler 1...
if ( thumbArray[thumbNum].content.width > thumbArray[thumbNum].content.height ) {
//Scaler 1 is the ratio of the ideal width to the image width
var scaler1 = thumbW / thumbArray[thumbNum].content.width;
trace(" scaler1 = " + scaler1);
//Apply Scaler 1 to both the width and height of the image
thumbArray[thumbNum].content.scaleX = thumbArray[thumbNum].content.scaleY = scaler1;
trace(" image width:" + thumbArray[thumbNum].content.width);
trace(" image height:" + thumbArray[thumbNum].content.height);
//Otherwise, apply Scaler 2
} else {
//Scaler 2 is the ratio of the ideal width to the image height
var scaler2 = thumbW / thumbArray[thumbNum].content.height;
trace(" scaler2 = " + scaler2);
//Apply Scaler 2 to both the width and height of the image
thumbArray[thumbNum].content.scaleX = thumbArray[thumbNum].content.scaleY = scaler2;
trace(" image width:" + thumbArray[thumbNum].content.width);
trace(" image height:" + thumbArray[thumbNum].content.height);
//Otherwise... (that is, the image width and height are in both cases less than the ideal)
} else {
//And if the width of the image is greater than the heigh, apply Scaler 3
if ( thumbArray[thumbNum].content.width > thumbArray[thumbNum].content.height ) {
//Scaler 3 is the ratio of the ideal width to the image width
var scaler3 = thumbW / thumbArray[thumbNum].content.width;
trace(" scaler3 = " + scaler3);
//Apply Scaler 3 to both the width and height of the image
thumbArray[thumbNum].content.scaleX = thumbArray[thumbNum].content.scaleY = scaler3;
trace(" image width:" + thumbArray[thumbNum].content.width);
trace(" image height:" + thumbArray[thumbNum].content.height);
} else {
//Scaler 4 is the ratio of the ideal width to the image height
var scaler4 = thumbW / thumbArray[thumbNum].content.height;
trace(" scaler4 = " + scaler4);
//Apply Scaler 4 to both the width and height of the image
thumbArray[thumbNum].content.scaleX = thumbArray[thumbNum].content.scaleY = scaler4;
trace(" image width:" + thumbArray[thumbNum].content.width);
trace(" image height:" + thumbArray[thumbNum].content.height);
//Here is where we center the images vertically...
thumbArray[thumbNum].content.x = - (thumbArray[thumbNum].content.width / 2);
//Here is where we center the images horizontally...
thumbArray[thumbNum].content.y = - (thumbArray[thumbNum].content.height / 2);
//Before placing them in their own container Sprite, so that their relative positions can be
//determined accurately (a task that would've been otherwise impossible after the
//adjustments to position made above.)
var thumby = new MovieClip();
thumby.addChild(thumbArray[thumbNum]);
//thumbW being the max possible length or width of any one thumbnail (this was done for visual
//consistency and codified in the logic tree above), placing two thumbnails thumbW
//apart (measuring from center point in either case) will put them edge to edge at best. This is why
//we add (thumbW / 8) as additional spacing.
thumby.y = (row * (thumbW + (thumbW / 8)));
thumby.x = (col * (thumbW + (thumbW / 8)));
thumby.buttonMode = true;
thumby.useHandCursor = true;
var fA:Array = new Array();
var dS:DropShadowFilter = new DropShadowFilter(5, 45, 0x000000, 0.33, 5, 5, 1, 1);
fA.push(dS);
thumby.filters = fA;
trace("thumby.width = " + thumby.width);
trace("thumby.height = " + thumby.height);
batchSprite.addChild(thumby);
thumbNum++;
function enLarge(event:MouseEvent):void {
var indexNum:Number = new Number();
indexNum = thumbArray.indexOf(event.currentTarget);
trace("indexNum = " + indexNum);
darkStage = new Sprite();
darkStage.graphics.beginFill(0x333333, .9);
darkStage.graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight);
darkStage.addEventListener(MouseEvent.CLICK, reMove);
darkStage.buttonMode = true;
darkStage.useHandCursor = true;
(parent as MovieClip).addChild(darkStage);
loadSprite = new Sprite();
loadSprite.addChild(loadArray[indexNum]);
loadSprite.x = (stage.stageWidth / 2);
loadSprite.y = (stage.stageHeight / 2);
loadSprite.addEventListener(MouseEvent.CLICK, reMove);
loadSprite.buttonMode = true;
loadSprite.useHandCursor = true;
loadSprite.mouseEnabled = false;
(parent as MovieClip).addChild(loadSprite);
var urlRequest:URLRequest = new URLRequest("xmls/" + indexNum + ".xml");
var titleURL:URLLoader = new URLLoader();
titleURL.addEventListener(Event.COMPLETE, completeListener);
titleURL.load(urlRequest);
function completeListener(event:Event):void {
titleText = new TextField();
titleText.autoSize = TextFieldAutoSize.LEFT;
var myFont:Font = new BOF();
var ttFormat:TextFormat = new TextFormat();
ttFormat.color = 0xFFFFFF;
ttFormat.size = 18;
ttFormat.font = myFont.fontName;
textSprite = new Sprite();
textSprite.addChild(titleText);
(parent as MovieClip).addChild(textSprite);
var titleXML:XML = new XML(titleURL.data);
titleText.text = titleXML.toXMLString();
titleText.setTextFormat(ttFormat);
titleText.embedFonts = true;
textSprite.y = 570;
textSprite.x = ((stage.stageWidth / 2) - (titleText.textWidth / 2));
textSprite.mouseEnabled = false;
titleText.mouseEnabled = false;
function reMove(event:MouseEvent):void {
(parent as MovieClip).removeChild(textSprite);
(parent as MovieClip).removeChild(loadSprite);
(parent as MovieClip).removeChild(darkStage);
function addClickOnThumb():void {
var cot:ClickOnThumbnail = new ClickOnThumbnail();
cot.x = 400;
cot.y = 583;
(parent as MovieClip).addChild(cot);Hey Jim
Wow, that's great; thanks! Can I ask what settings you used to get the files so small?
Yes, I am familiar with Photoshop and image optimization issues, but I didn't realize that PNG was so much bigger than JPG and that I had so much file size I could shed before I would notice a degradation in image quality. Your advice will certainly help greatly, and I will certainly apply it to the thumbs as well. I think my mom will be very pleased. : )
I look forward to hearing what collection of settings you used.
Thanks and Be Well
Graham -
A better way than a global temp table to reuse a distinct select?
I get the impression from other threads that global temp tables are frowned upon so I'm wondering if there is a better way to simplify what I need to do. I have some values scattered about a table with a relatively large number of records. I need to distinct them out and delete from 21 other tables where those values also occur. The values have a really low cardinality to the number of rows. Out of 500K+ rows there might be a dozen distinct values.
I thought that rather than 21 cases of:
DELETE FROM x1..21 WHERE value IN (SELECT DISTINCT value FROM Y)
It would be better for performance to populate a global temp table with the distinct first:
INSERT INTO gtt SELECT DISTINCT value FROM Y
DELETE FROM x1..21 WHERE value IN (SELECT value FROM GTT)
People asking questions about GTT's seem to get blasted so is this another case where there's a better way to do this? Should I just have the system bite the bullet on the DISTINCT 21 times? The big table truncates and reloads and needs to do so quickly so I was hoping not to have to index it and meddle with disable/rebuild index but if that's better than a temp table, I'll have to make do.
As far as I understand WITH ... USING can't be used to delete from multiple tables or can it?Almost, but not quite, as efficient as using a temporary table would be to use a PL/SQL collection and FORALL statements and/or referencing the collection in your subsequent statements). Something like
DECLARE
TYPE value_nt IS TABLE OF y.value%type;
l_values value_nt;
BEGIN
SELECT distinct value
BULK COLLECT INTO l_values
FROM y;
FORALL i IN 1 .. l_values.count
DELETE FROM x1
WHERE value = l_values(i);
FORALL i IN 1 .. l_values.count
DELETE FROM x2
WHERE value = l_values(i);
END;or
CREATE TYPE value_nt
IS TABLE OF varchar2(100); -- Guessing at the type of y.value
DECLARE
l_values value_nt;
BEGIN
SELECT distinct value
BULK COLLECT INTO l_values
FROM y;
DELETE FROM x1
WHERE value = (SELECT /*+ cardinality(v 10) */ column_value from table( l_values ) v );
DELETE FROM x2
WHERE value = (SELECT /*+ cardinality(v 10) */ column_value from table( l_values ) v );
END;Justin
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