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  • NSThread and memory management

    - by misfit153
    Imagine I create and execute an NSThread object using detachNewThreadSelector:toTarget:withObject:. The method executed by the thread might look like this: - (void)search { NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; // perform a lengthy search here. [pool release]; } I then might use the cancel method to kill the thread while it's running, before the pool gets released. What happens to the NSAutoreleasePool object? I suppose it will leak, won't it?

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  • How to get the text content on the swt table with arbitrary controls

    - by amarnath vishwakarma
    I have different controls placed on a table using TableEditor. ... TableItem [] items = table.getItems (); for (int i=0; i<items.length; i++) { TableEditor editor = new TableEditor (table); final Text text1 = new Text (table, SWT.NONE); text1.setText(listSimOnlyComponents.get(i).getName()); text1.setEditable(false); editor.grabHorizontal = true; editor.setEditor(text1, items[i], 0); editor = new TableEditor (table); final CCombo combo1 = new CCombo (table, SWT.NONE); combo1.setText(""); Set<String> comps = mapComponentToPort.keySet(); for(String comp:comps) combo1.add(comp); editor.grabHorizontal = true; editor.setEditor(combo1, items[i], 1); } //end of for ... When I try to get the text on the table using getItem(i).getText, I get empty string ... TableItem [] items = table.getItems (); for(int i=0; i<items.length; i++) { TableItem item = items[i]; String col0text = items[i].getText(0); //this text is empty String col1text = items[i].getText(1); //this text is empty } ... Why does getText returns empty strings even when I have text appearing on the table?

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  • Not enough system resources to install device

    - by xeross
    Hey, Somehow I keep getting a not enough resources to install device whenever I try to install the hamachi network adapter, and I tried installing other tunneling services but their network adapters can't seem to install either. How would I solve this, is there anywhere I can find more specific errors, then just this ? Regards, Xeross

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  • JavaScript using toString on a Function object to read text content

    - by mseeley
    Calling toString() on the function below returns different strings across browsers. I understand this is because ECMA-262 15.3.4.2 leaves wiggle room for each vendor. Chrome returns the comments in addition to all syntax. Sadly Firefox 3.6 omits the comments. Based on Firefox's behavior I haven't tested IE, Opera, or Safari. function foo() { /* comment */ var bar = true; } Specifically, I am attempting to embed meta data within a specially formatted comment block within a function. Later the return value of the functions toString() method would be parsed and values returned as an object. I've been unable to locate compatibility tables or alternatives to toString(). Does the community have any ideas? Btw, pre-processing JS files isn't an option. :( Thanks a lot. :)

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  • Using Drools to provide error processing and consequence management

    - by Mike
    Hi, I am working on a module whose purpose is to process Java exceptions and decide upon a strategy for dealing with them. The exceptions could be things I know about (explicit business exceptions eg TransformationException) or more general environmental stuff (JMS errors, IO errors etc) The facts inserted into the knowledge base are all the same class, and wrap (contain) an Exception. I want to write a rule that will explicitly match the exceptions I know how to deal with (eg TransformationException) and have another rule that catches 'everything else' The problem seems to me to be that for a fact containing a TransformationException, both rules will fire and the output will be uncertain. How would I go about writing such exclusive rules without relying on salience to steer the order of execution (this seems to be bad practice from what I have read)? I have a solution in place that I am not happy with whereby the outcome depends on the order in which the rules are defined in my .drl.

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  • Keeping User-Input UITextVIew Content Constrained to Its Own Frame

    - by siglesias
    Trying to create a large textbox of fixed size. This problem is very similar to the 140 character constraint problem, but instead of stopping typing at 140 characters, I want to stop typing when the edge of the textView's frame is reached, instead of extending below into the abyss. Here is what I've got for the delegate method. Seems to always be off by a little bit. Any thoughts? - (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text { BOOL edgeBump = NO; CGSize constraint = textView.frame.size; CGSize size = [[textView.text stringByAppendingString:text] sizeWithFont:textView.font constrainedToSize:constraint lineBreakMode:UILineBreakModeWordWrap]; CGFloat height = size.height; if (height > textView.frame.size.height) { edgeBump = YES; } if([text isEqualToString:@"\b"]){ return YES; } else if(edgeBump){ NSLog(@"EDGEBUMP!"); return NO; } return YES; } EDIT: As per Max's suggestion below, here is the code that works: - (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text { CGSize constraint = textView.frame.size; NSString *whatWasThereBefore = textView.text; textView.text = [textView.text stringByReplacingCharactersInRange:range withString:text]; if (textView.contentSize.height >= constraint.height) { textView.text = whatWasThereBefore; } return NO; }

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  • Equivalent of System.Windows.Forms.Cursor in Web Application(Asp.Net)

    - by Vishwa
    Hi I have a code in windows application now i am trying to implement in web Application but it is showimg that it ths no cursor class (System.Windows.Forms.Cursor )so..wat is the equivalent in web application. Here is my code private void btnGo_Click(System.Object sender, System.EventArgs e) { this.Cursor = Cursors.WaitCursor; Application.DoEvents(); // Load the images. Bitmap bm1 = (Bitmap) (Image.FromFile(txtFile1.Text)); Bitmap bm2 = (Bitmap) (Image.FromFile(txtFile2.Text)); // Make a difference image. int wid = Math.Min(bm1.Width, bm2.Width); int hgt = Math.Min(bm1.Height, bm2.Height); Bitmap bm3 = new Bitmap(wid, hgt); // Create the difference image. bool are_identical = true; int r1; int g1; int b1; int r2; int g2; int b2; int r3; int g3; int b3; Color eq_color = Color.White; Color ne_color = Color.Transparent; for (int x = 0; x <= wid - 1; x++) { for (int y = 0; y <= hgt - 1; y++) { if (bm1.GetPixel(x, y).Equals(bm2.GetPixel(x, y))) { bm3.SetPixel(x, y, eq_color); } else { bm1.SetPixel(x, y, ne_color); are_identical = false; } } } // Display the result. picResult.Image = bm1; Bitmap Logo = new Bitmap(picResult.Image); Logo.MakeTransparent(Logo.GetPixel(1, 1)); picResult.Image = (Image)Logo; this.Cursor = Cursors.Default; if ((bm1.Width != bm2.Width) || (bm1.Height != bm2.Height)) { are_identical = false; } if (are_identical) { MessageBox.Show("The images are identical"); } else { MessageBox.Show("The images are different"); } //bm1.Dispose() // bm2.Dispose() }

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  • Flex Panel Content Background Color

    - by Jerry
    Hello guys. I am trying to set the gradient background color for my panel via skins. I try to change my code but nothing seems to change. Not sure what to do. Thanks for any reply. My skin file /<!-- layer 2: background fill --/> <!--- Defines the appearance of the PanelSkin class's background. --> <s:Rect id="background" left="1" top="1" right="1" bottom="1"> <s:fill> <!--- @private Defines the PanelSkin class's background fill. The default color is 0xFFFFFF. --> <s:SolidColor id="backgroundFill" color="red"/> //Change to red but //nothing happen.... </s:fill> </s:Rect>

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  • Local active directory access and management for development?

    - by Huck
    Hi everybody, In an application we are developpment, we are accessing Active Directory users and groups using the .Net DirectoryEntry and DirectorySearcher classes. Managing the test groups and users during development is getting tedious. I am wondering if there was an easy way to setup a simple local AD in which we could easily create / delete users and assign them or remove them from groups as we want with the DirectoryEntry / DirectorySearcher classes? Thanks.

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  • Looking for an customer email support system

    - by Martin
    Looking for a "customer email management system" similar to MailTank to deal with support emails. MailTank seemed perfect but it was a bit expensive. I tested the Email Center Pro also but thought it was too messy. Is there something that is simple, cheap, handles 3-5 users and to assign emails and conversations to a particular user?

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  • C# How to compress .ashx content?

    - by Martijn
    In my web application I use an ashx file to write a file to the browser. I've noticed that there's no compression over the .ashx file, but only over my .aspx files. Is it possible to compress .ashx? And if it is possible, how?

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  • gvim: Easy copying into system clipboard

    - by Georg Jaehnig
    I am using gVim on Ubuntu 10.10. I want to copy (yank) text to the system clipboard, so that the copied text is available in other applications. This works with "+y. But I want to have it working with y. I have tried to map y to "+y but then yy doesn't work anymore (since it produces "+y"+y). I have also tried :set clipboard=unnamed but this works only the other direction: Text in the system clipboard I can paste with p.

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  • IBOutlet on properties and exposition of the class

    - by Espuz
    Apple, for memory management issues, recommend defining outlets on properties, not in the attribute declaration. But, as far as I know, declaring properties exposes the class to external classes, so this could be dangerous. On UIViewController we have the main view definition and the logic, so MVC is slightly cheated in this cases. What is the beteer approach, Apples's recommendation for memory-management or armored classes?

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  • Jquery Parent Item of Div containing X content.

    - by fighella
    I need to add a CSS class to the TR (or multiple TR's) of the parent of a TD containing some specific text. Because of the CMS I can't control the code, but I can add some Jquery and CSS. I've tried a few things, but I've had no luck. Here is an example of what I had in mind. <style> tr.highlight { background: Blue;} </style> <table> <tr> <td> Pet </td> <td> Number of Legs </td> </tr> <tr> <td> Cat </td> <td> 4 </td> </tr> <tr> <td> Doggie </td> <td> 4 </td> </tr> </table> And I essentially want the jquery to add that class (highlight) to the offending TR. ** I know this is not an ideal approach, but desperate times call for desperate measures. ** Thanks for your help.

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  • Internet Explorer and Google Chrome different showup of content

    - by NDLombardi
    I'm setting up an online form where to choose boxes and stuff. I almost finished the whole thing when I said to my self "Let's try it in IE". This is the result I want and what comes up in Google Chrome: And this is what happens in IE: And this is the CSS and HTML for that part: <!--- HTML ---> <div id="choosen"><img src="img.jpg" class="center-img" /></div> /* --- CSS --- */ img.center-img{ margin-top:15px; position:relative; width: <?php echo $width; ?>px; left:50%; margin-left:-<?php echo $width/2; ?>px; } Basically the image is centered into the div as this page I'm writing will be included into another one which I never saw and someone else will do it.

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  • How to use JQuery to remove dynamic content?

    - by ed.talmadge
    I have an html page that is generated by a CMS. I cannot modify the page, but can add JavaScript. Each time the page loads, a JavaScript function (that I cannot modify) dynamically inserts a paragraph onto the page. How can I use JQuery to .remove() that paragraph whenever it is loaded? For example, when the page first loads, it look like this (blank): <div></div> Then, a few seconds later, a JavaScript function (that I have no control over) adds a paragraph to the page. The page then looks like this: <div><p id="foo">bar</p></div> How can I use JQuery to remove the paragraph with id=foo each time it is dynamically loaded onto the page?

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  • Failing SSHFS connection drags down the system

    - by skerit
    From time to time my sshfs mount fails. All programs using the mount freeze when it happens. I can't even ls anything or use nautilus. Is there a way to find out what's the cause and how to handle it? I've noticed regular SSH sessions to the server get their fair share of Write failed: broken pipe disconnects, too. If I wait long enough (and I'm talking about 20-ish minutes, here) it will auto reconnect and things start working again.

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  • Display alternate content when Flash is not installed with jquery.swfobject

    - by Deca
    How can I display alternate HTML with the jquery.swfobject plugin for browsers without Flash? I'm unable to find any documentation or examples showing how to do this. Here is a snippet of my code: <script type="text/javascript" language="Javascript" src="jquery.1.4.2.js"></script> <script type="text/javascript" language="Javascript" src="jquery.swfobject.1-0-9.min.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("#contentflash").flash({ swf: "myswf.swf", width: "100%", height: "100%", params: { wmode: "opaque" } }); }); </script> </head> <body> <div id="contentflash"></div>

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  • using respond_to format.js to replace the content of a textarea on rails

    - by Stacia
    I have some saved text in my create controller. If it's not stressful, I'd like it to populate a textarea on the page with the saved text along with displaying the error message fields (which is what's already happening). I've used things like replace_html before, but I don't know if there's an easy way to get to textarea or text field IDs and just replace the value of the text. For now I'm just going to do some javascript but it would be nice to know the rails shortcut. edit: I wasn't in the right mindset because this app uses extjs and was trying to figure out how to do it this way. The text box is actually an ext status bar (same as here : http://www.extjs.com/deploy/dev/examples/statusbar/statusbar-demo.html ) which doesn't get created until the page is finished loading. When I try to enter commnands like the first poster suggested, I get "setvalue is not a function". Playing with firebug on the page I can get it to set the value after loading by using (whatever method to get it through ext or scriptaculous).value = "lol" but none of the page update things work with this.

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  • Implementing a live voting system

    - by Will Eddins
    I'm looking at implementing a live voting system on my website. The website provides a live stream, and I'd like to be able to prompt viewers to select an answer during a vote initiated by the caster. I can understand how to store the data in a mySQL database, and how to process the answers. However: How would I initially start the vote on the client-side and display it? Should a script be running every few seconds on the page, checking another page to see if a question is available for the user? Are there any existing examples of a real-time polling system such as what I'm looking at implementing?

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