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• How can I generate Sudoku puzzles?

  - by user223150

  I'm trying to make a Sudoku puzzle generator. It's a lot harder than I expected and the more I get into it, the harder it gets! My current approach is to split the problem into 2 steps: Generate a complete (solved) Sudoku puzzle. Remove numbers until it's solveable and has only 1 solution. In step 1, since I'm using a brute force methods, I'm facing some run time issues. Is there an optimal way of filling in a complete Sudoku puzzle? In step 2, what kind of algorithm should I use to "puzzlize" a solved sudoku?

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• Browser not handling exception from AJAX panel, ASP.NET c#

  - by Grant

  Hi, i am having trouble catching errors in an AJAX panel. Even when i throw an exception in the c# code behind the front end completely ignores it. Here is the code i have setup, can anyone see why? I ideally want to show a js alert window on error. Code Behind: protected void btnX_Click(object sender, EventArgs e) { throw new ApplicationException("test"); } protected void ScriptManager_AsyncPostBackError(object sender, AsyncPostBackErrorEventArgs e) { ScriptManager.AsyncPostBackErrorMessage = e.Exception.Message; } Markup: <script type="text/javascript" language="javascript"> Sys.WebForms.PageRequestManager.getInstance().add_endRequest(EndRequestHandler); function EndRequestHandler(sender, e) { window.alert(e.get_error().name); } </script> <asp:ScriptManager ID="ScriptManager" runat="server" AllowCustomErrorsRedirect="true" OnAsyncPostBackError="ScriptManager_AsyncPostBackError" />

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• create RSS in C#

  - by aharont

  how can i create an Rss window for news in my form?

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• character matching in grayscale image

  - by maximus

  I made patterns: images with the "A" letter of different sizes (from 12 to 72: 12, 14, .., 72) And I tested the method of pattern matching and it gave a good results. One way to select text regions from image is to run that algorithm for all small and big letters and digits of different sizes. And fonts! I don't like it. Instead of it I want to make something like a universal pattern or better to say: scanning image with different window sizes and select those regions where some function (probability of that there is a character at that window) is more than some fixed value. Do you know any methods or ideas to make that function? It must work with original image (grayscale).

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• detecting when nav controller popped to root

  - by phil swenson

  Here is my code: SignupController* signupController = [[SignupController alloc] initWithNibName:@"SignupController" bundle:nil]; [window addSubview:[navigationController view]]; [window makeKeyAndVisible]; self.navigationController.title = @"MyNavController"; [self.navigationController pushViewController:signupController animated:YES]; [signupController release]; Unfortunately for me calling pushViewController is not synchronous, so the next line ([signupController release]) is executed immediately. I need to detect hen the signupController has popped back to the root so I can take the data from the signup controller and do a registration or login. Any ideas? Thanks

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• 1 year to learn as much as possile - How would you plan this time?

  - by user1189880

  I have been messing around with web development and programming in general for a couple of years now, working in web development agencies and the like. I have now decided that I want to move to more general programming and do this permanently and as a career and have set myself a goal of 1 year to learn as much as I can before I go out and find a 'proper' job as a programmer. Do any programmers out there have any opinions on how this time should be split and what the most important things to focus on will be over the year. The languages I will be focusing my learning on are: c, php, python and go - all of which i have varying degrees of familiarity with. The ultimate goal here is to gain as good as foundation as possible and to be of a good enough level to interview successfully for a decent company.

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• javascript welcoming msgbox problem

  - by shouq

  hey... i'm doing my html and javascript class project and i want to have a msgbox welcoming the visitor asking for his name and then a welcoming msgbox shows up saying "hello (the name added)" i know how to do that but my only problem is that if i pressed back and went to the homepage of my website again, the msg will show up again asking for my name is there anyway to prevent this from happening? seriously don't want the visitor to wite his name each time he goes to the home page please help this is the code i'm using: <script> response = window.prompt("Welcome!","Please enter your name"); window.alert("hello " + response); </script> please help

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• trigger OS to copy (ctrl+c or Ctrl-x) programicly

  - by Crash893

  I'm working on a program to trigger cut and pastes Pastes i have no problem with (i just dump a string into the clipboard) Cut and or Copys are proving to be a little more difficult The program i have is out of focus and has several hot keys registered with the os ( ctrl+alt+2 ctrl+alt+3 etc) that i want to use to trigger Windows to copy anything that is highlighted in the window that is focused I tried doing a sendkeys SendKeys.Send("^c"); but that seems to work once or twice if at all then stop working. is there a better way to try to trigger windows into coping highlighted content on a different window

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• Getting hold of a reference to the object created by JOptionPane static methods

  - by user548240

  Hi, I wonder if it is possible to get hold of a reference to the (JDialog?) object created by one of those static methods of JOptionPane (e.g. showMessageDialog)? I intend to modify the position where the dialog appears on the screen. More specifically, I want the dialog to appear at the top-left corner of the main app window, instead of the centre of the window by default. So having a reference to the object would enable me to use setLocation to achieve the desired effect... Any suggestion would be appreciated! Thanks!

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• Why isn't IE displaying this alert()?

  - by George Edison

  I have the following piece of code: // setup the AJAX request var pageRequest = false; if(window.XMLHttpRequest) pageRequest = new XMLHttpRequest(); else if(window.ActiveXObject) pageRequest = new ActiveXObject("Microsoft.XMLHTTP"); // callback pageRequest.onreadystatechange = function() { alert('pageRequest.readyState: ' + pageRequest.readyState + '\npageRequest.status: ' + pageRequest.status); } pageRequest.open('POST','ajax.php',true); // q_str contains something like 'data=value...' pageRequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); pageRequest.setRequestHeader("Content-length", q_str.length); pageRequest.setRequestHeader("Connection", "close"); pageRequest.send(q_str); This works fine in Chrome, but IE chokes on it, spitting out an "Unspecified error." and it points to the line with the alert() in it. Why can't it display the alert?

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• How to Test Windows Device Drivers

  - by Prakash

  Any standarda tools and Techniques that are available for window driver testing?

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• Hyperlink (a href) with a pound sign at the end doesn't do anything in Firefox

  - by chiurox

  I have a link that is somewhat like this: <a href="------.html#video">Text</a> It works fine in IE but not in Firefox. In Firefox it shows the new URL on the address bar but doesn't update or change anything in terms of content. Somehow the "#" is causing Firefox to ignore updating the page. I tried using Javascript "window.location" and "window.location.href" and all sorts of other things but it still doesn't work. Does anyone have any idea how to fix it? Thanks!

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• Has anyone used Genetify for A/B testing

  - by Joshak

  I'm working on a small project that will likely run on Wordpress, I always like to run some split testing to improve conversion rates for various goals. Typically if its a small site that I either don't have a budget for or want to keep it as inexpensive as possible I use Google Website Optimizer if I do have a budget I go with Visual Website Optimizer both are great and affordable, but for fun I was checking out alternatives and found Genetify which is an open source project and has some neat features. In searching around I don't see many people talking about it and wondered if anyone here has used it. If so what do you think about it?

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• FLEX: widget (text input) with text suggestions ?

  - by Patrick

  hi, is there any flex widget providing text suggestions such as google search suggestions ? I just need the popup window showing the text, thanks

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• UserControl that is also a Grid in WPF

  - by drasto

  I would like to create a UserControl that will have some behavior(animated collapsing...) and some Controls in it (Rectangle, Ellipse, mostly for design purposes). However I need it to be a valid Panel like Grid so I can put more controls in it when designing main window. Controls that will be add to the new USerControl in main window design time does not need to interact with components that are added to it when creating a UserControl. How should I do this ? Do I have to extends Control? I'd prefer to extend just UserControl.

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• Reset after using a link with parameters

  - by CarolinaJay65

  I am using the window.location.search parameters (www.mysite.com?page=1) to direct the user to a specific page within the site. However, since those parameters are still in window.location (the browser) reset button continues to re-direct to the same page. I would like the reset button to re-direct to www.mysite.com How do I clear the .search parameters so the (browser) reset button re-directs where I want? Is it done after the page is loaded? or after the (browser) reset button has been clicked?

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• How to partition a fully used hard drive

  - by MineCraftMan39

  I installed Ubuntu on my laptop which when I got it I had Fedora 13 installed on it as the OS. Now I want to install Fedora 18 in a dual boot with Ubuntu. Problem is when I installed Ubuntu, I didn't partition for dual boot and I gave the entire hard drive to Ubuntu and no longer have the space to dual boot. How can I lower the partition on Ubuntu to make space on the hard drive for Fedora? I want to split the hard drive 50/50 between the two. Thanks in advance.

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• Using vim, how do you quickly refresh a web page you're working on?

  - by aLostMonkey

  I've been using VIM for a few weeks now while messing with various web languages and I'm really enjoying it. I find it cumbersome having to tab or click into my browser and refresh the page to see the effect of a code change. It's even more annoying as I'm using Virtual Box and I tend to be working from PDF files on the host system so I have limited window space. Do you gurus have any fancy ways of doing this? I was wondering if it's possible to split the VIM workspace and have links/lynx in a window of its own or something to that effect?

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• How do IOS know which viewController is being viewed and hence need viewWillAppear to be called

  - by Jim Thio

  How does iOs know? Does each view has a pointer to it's controller? What happened? When we pop a viewController from navigation, does the navigationController arrange which view should be called? For example: If I added: [[BNUtilitiesQuick window] addSubview:[BNUtilitiesQuick searchController].view]; viewWillAppear will be called. However, window doesn't know the viewController. I am passing the view outlet of the controller not the controller. How can iOs 5 knows that it has to call [[BNUtilitiesQuick searchController] viewWillAppear:YES]

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• Transparent Dialog Alignment

  - by feragusper

  I'm trying to get a custom dialog with a transparent background doing this way: this.getWindow().setBackgroundDrawableResource(R.drawable.transparent); (where "R.drawable.transparent" is a reference to the color "#00000000") The weird issue on this is that I can't align my dialog window. It's always aligned to the left, even if I implicit set the Gravity of the window using: this.getWindow().setGravity(Gravity.CENTER); And if I just comment the line which set the transparent background, the alignment works fine. Any help would be much appreciated! Thanks.

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• Writing long line support for text editor

  - by Mathematician82

  I know that some some text editors have problems to show long lines https://bugzilla.gnome.org/show_bug.cgi?id=172099 . What is the best way to fix the bug or are they equally well? Modify the GTK+ source code and add a support for long lines. Modify the text editor source code such that it does not use GTK+ if it meets a long line. Split the long lines into part (maybe by cut on the Bash ) I'm just a junior programmer so I don't know what people does when they meet a bug that is on the library they use.

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• Announcing Oracle WebLogic 12c

  - by alexismp

  While this blog is mostly devoted to GlassFish, you may be interested in the Oracle WebLogic Server 12c announcement scheduled for December 1st, 2011. The launch event is called "Introducing Oracle WebLogic Server 12c, the #1 Application Server Across Conventional and Cloud Environments" and will be split into Executive Overview and Developer Deep Dive sessions. The agenda description includes the following (emphasis is mine) : • Optimized to run your solutions for Java Platform, Enterprise Edition (Java EE); Oracle Fusion Middleware; and Oracle Fusion Applications • Enhanced with transformational platforms and technologies such as Java EE 6, Oracle’sActive GridLink for RAC, Oracle Traffic Director, and Oracle Virtual Assembly Builder On a slightly less official note but on that same topic, you should check out Steve Button's blog and twitter stream.

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• Render an asynchronous report, wider than the screen, without extra scrollbars

  - by Dubs

  I have an asynchronous local SSRS 2005 report that is of variable height and width, but routinely is bigger than the screen. I want to render it full size so that some of the report renders off screen and the only scrollbars the user sees are the ones on the browser window. What is the best way to accomplish this? The only method that I've found that even comes remotely close to what I want is to set static width/height values that are much larger than the report will ever be. But, this is undesirable since it leaves so much extra whitespace in the browser window. Has anyone had success rendering asynchronous reports without the extra scrollbars?

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• Registry based components with Inno Setup

  - by cyxou

  Hello guys! I'm creating an application for my company. And the goal is to create a universal installer that will be checking user's registry for specific apps installed and according to these apps would create a list of available installation components in "Select Components" window. And that's the particular problem I'm stacked with. I've already created the installer, but a user have to check/uncheck components he doesn't need because he doesn't use specific app. That is definitely not a good way of doing thing I guess... So I'm asking for help, please. Could this be implemented through "Select Components" window and how or I should create custom wizard page with checkboxes (again - How)? Many thx in advance.

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• Help Me: Loading Qt dialogs from python Scripts

  - by krishnanunni

  Hello, im a novice into developing an application using backend as Python (2.5) and Qt(3) as front end GUI designer. I have 5 diffrent dialogs to implement the scripts. i just know to load the window (main window) from qt import * from dialogselectkernelfile import * from formcopyextract import * import sys if __name__ == "__main__": app = QApplication(sys.argv) f = DialogSelectKernelFile() f.show() app.setMainWidget(f) app.exec_loop() main dialog opens on running. i have a set of back,Next,Cancel buttons pusing on each should open the next or previous dialogs. i use the pyuic compiler to source translation.how can i do this from python. please reply i`m running out of time.i dont know how to load another dialog from a signal of push button in another dialog. Help me pls Thanks a Lot

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