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• ASP.NET AJAX UpdatePanel problem

  - by Velika

  I'll try and be concise: 1) I have a dropdownlist with Autopostback set to TRUE 2) I have an UpdatePanel that contains a Label. 3) When the downdownlist selection is changed, I want to update the label. Problem: Focus is lost on the dropdownlist, forcing the user to click on the dropdownlist to reset focus back to the control. My "solution": In the DropDownList_SelectionChanged event, set focus back to the drop down list: dropdownlist1.focus() Problem: While this works great in IE, Firefox and Chrome change the scroll position such that the control which was assigned focus is positioned at the bottom on the visible portion of the browser window. This is often a very disorientating side effect. How can this be avoided so it works in FF as it does in IE?

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• Learning Visual C++ 2008 and C++ at the same time? Any resources to recommend?

  - by Javed Ahamed

  Hey guys, I am trying to learn Visual C++ 2008 and C++ at the same time to get involved with sourcemod, a server side modding tool for valve games. However I have never touched Visual C++ or C++ in general, and doing some preliminary research I am quite confused on these different versions of C++ (mfc, cli, win32), and why a lot of people seem to hate Visual C++ and use something like Borland instead. I really learn visually, and have used videos from places like Lynda.com with great success. I was wondering if anyone had any exceptional resources they had come across to teach Visual C++ 2k8, with its intricacies and setting up the IDE along with C++ at the same time. Books would be nice, but videos would be preferred, and I don't mind paying for resources. Thanks in advance!

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• [IOS SDK] Sending Data to Other Players - Game Center

  - by mohacs

  Hi guys, I am developing a simple game center multiplayer game. i did manage almost everything except sending messeage to players. what i mean, i can invite player to play game, game is starts etc. regarding apple documentation i am using following method to send data but it' doesn't work at all. const char *bytes = "123"; NSData *packet = [NSData dataWithBytes:&bytes length:3]; [myMatch sendDataToAllPlayers: packet withDataMode: GKMatchSendDataUnreliable error:nil]; if possible a working sample would be great. many thanks.

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• How to Add Serialized LINQ to SQL Entities to a Word 2007 Document

  - by Ryan Riley

  I built a template-based document generator using the Open XML SDK (1.0), the Word 2007 Content Control Toolkit and LINQ to SQL (using the CodeSmith PLINQO templates). To do this, I serialized the LINQ to SQL entities to XML by retrieving the entity using DataLoadOptions specified in the source code. This works great, except that to initially populate the XML in my template, I currently have to copy and paste the XML from the Immediate window in VS2008 into the Content Control Toolkit, and it still has all the data from the current entity. I'm looking for two solutions: 1) Is this a good way to build a document generator with Word 2007? 1) How can I generate just the XML I need without the data? I've thought of creating an XSD and then creating an empty XML document, but wasn't sure how to do that programatically so that a business user can get the XML for the template. (That's not a requirement, just a nice-to-have.) Thanks for your feedback, Ryan

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• Computing orientation of a square and displaying an object with the same orientation

  - by Robin

  Hi, I wrote an application which detects a square within an image. To give you a good understanding of how such an image containing such a square, in this case a marker, could look like: What I get, after the detection, are the coordinates of the four corners of my marker. Now I don't know how to display an object on my marker. The object should have the same rotation/angle/direction as the marker. Are there any papers on how to achieve that, any algorithms that I can use that proofed to be pretty solid/working? It doesn't need to be a working solution, it could be a simple description on how to achieve that or something similar. If you point me at a library or something, it should work under linux, windows is not needed but would be great in case I need to port the application at some point. I already looked at the ARToolkit but they you camera parameter files and more complex matrices while I only got the four corner points and a single image instead of a whole video / camera stream.

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• When will NAnt reach version 1.0

  - by sundar venugopal

  I like Nant very much. I do a lot of scripting with NAnt. It is a great little tool. Since NAnt is pre 1.0, when problems occur, I often think if that it is a problem with NAnt itself, but this is not always the case. One funny example: After running the oracle scripts I parsed the log output to make sure there was no problem. I was testing this with a small log file and it was fine. I used the task to load the file contents to a string property and used a regex to search for errors. When I used this script for a large log file, I stopped getting the "build failed" message at the bottom, because I was printing the error messages. Because the "build failed" was hiding at the top, I thought NAnt crashed, but it worked fine. It would be better for NAnt to have a 1.0 release. Any reasons why not?

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• LazyList<T> vs System.Lazy<List<T>> in ASP.NET MVC 2?

  - by FreshCode

  In Rob Conery's Storefront series, Rob makes extensive use of the LazyList<..> construct to pull data from IQueryables. How does this differ from the System.Lazy<...> construct now available in .NET 4.0 (and perhaps earlier)? More depth based on DoctaJones' great answer: Would you recommend one over the other if I wanted to operate on IQueryable as a List<T>? I'm assuming that since Lazy<T> is in the framework now, it is a safer bet for future support and maintainability? If I want to use a strong type instead of an anonymous (var) type would the following statements be functionally equivalent? Lazy<List<Products>> Products = new Lazy<List<Product>>(); LazyList<Product> = new LazyList<Product>();

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• Print webpages problems :: looking for good tutorial to print web pages (build by Jquey ui, jqgrid ,

  - by Yosef

  Hi, I should print web-pages of website with jqgrid , Jquery calendar+ other Jquery ui+background images etc.. in server side its build with Zend Framework. I don't have experience and knowledge in web page printing,but i get this mission in my job. I need: 1. Good tutorials or book (i read about background images problem) to study this issue well (I have time for that). More practical instructions how print web pages that build with Jquery + Jquery UI + jqgrid (I know that Jquery UI have browsers compatibity issues vs yui (yahoo library)). Thanks for all great people here that helps, Yosef

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• Obtain SubVersion 1.4 executables for Windows

  - by dcw

  I need to work with an old repository, whose db/format contains 2 From this question, I understand that this means it's version 1.4. I have only 1.5 executables, which produce a db/format containing 3 layout sharded 1000 I've tried to use the 1.5 svnadmin to verify the 1.4 repo, but it fails with 'vnadmin: Unknown FS type 'fsfs If anyone's got any ideas on how to fix this, that'd be great. My current working plan is to obtain 1.4 executables. The problem I have is that I've done a fair amount of searching, and I can't find any SubVersion 1.4 executable downloads. Any help would be hugely appreciated.

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• Checking for & storing multiple CheckBox selections in CSharp.

  - by Matt

  I'm very new to CSharp and I can't seem to find a good solution to what I would consider a simple problem. Basically I'm trying to determine which CheckBoxs have been selected by the user and then randomly generate combinations of the selections the user has made. As new as I am, I am aware that you can use a simple statement such as: checkBox1.IsChecked == true I could have a long set of if statements which update an array/collection, but I'm told that in Csharp there is a way of determining which CheckBoxs are checked by querying the GroupBox that the CheckBoxs are in. Unless I'm mistaken (which is very possible) this is achieved by using Control features, unfortunately I've not come across these yet in my learning so if someone could clear things up that would be great. In summation, if someone has a simple solution for running through a set of checkBoxs and storing only the selected ones I would be most grateful.

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• when is a push notification old?

  - by hookjd

  I have noted that when the iPhone OS receives a push notification, it considers that a user action to click on the action button as a "response" to the push notification for some indefinite period of time. If the user lets the push notification sit on screen for a number of seconds, or lets the phone go to sleep, the phone no longer considers the users action as a response to the push notification itself, and therefore does not launch the corresponding app. So my question is... does anyone know what the precise definition from the iPhone OS is as to how long the phone considers a push notification response to be corresponding to the push? Sorry, I can't find a great way to phrase this question, but I hope it makes sense. I'm guessing its something like 20 seconds from my testing, but I don't see this specifically documented anywhere.

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• Is Microformat's date-value-pattern fully accessible?

  - by Stephen

  Has there been an announcement (outside microformats.org) that the value-class-pattern is fully accessible? e.g. given <abbr class="value" title="2008-06-24">this Tuesday</abbr>, will a screen reader say "24 June 2008" or will it say "2008 dash 6 dash 24"? History Microformats came along, and were great, except that dates etc were stored in abbr tags: <abbr class="dtstart" title="20070312T1700-06"> March 12, 2007 at 5 PM, Central Standard Time </abbr>` This lead to screen readers doing ridiculous things as noted in hAccessibility. Now that microformats.org have released the value-class-pattern it's a lot better. But I'm left unable to find a declaration from WaSP (or another accessibility source not directly tied to microformats) that declaratively states that they are now accessible to screen readers etc.

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• Which Secure Software Development Practices do you Employ?

  - by Michael Howard-MSFT

  I work on a project known as the Security Development Lifecycle (SDL) project at Microsoft (http://microsoft.com/sdl) - in short it's a set of practices that must be used by product groups before they ship products to help improve security. Over the last couple of years, we have published a great deal of SDL documentation, as customers ask for more information about what we're doing. But what I'd like to know is: 1) What are you doing within your organization to help improve the security of your product? 2) What works? What doesn't work? 3) How did you get management to agree to this work? Thanks.

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• Want to improve my simple site/db backup script with auto removal of old backups.

  - by Robert Robb

  I have the following simple script for backing up my website files and db. The script is run each day via a cron job. #!/bin/sh NOW=$(date +"%Y-%m-%d") mysqldump --opt -h localhost -u username -p'password' dbname > /path/to/folder/backup/db-backup-$NOW.sql gzip -f /path/to/folder/backup/db-backup-$NOW.sql tar czf /path/to/folder/backup/web-backup-$NOW.tgz /path/to/folder/web/content/ It works great, but I don't want loads of old backups clogging my system. How can I modify the script to remove any backups older than a week when the script is run?

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• Are there any famous one-man-army programmers?

  - by DFectuoso

  Lately I have been learning of more and more programmers who think that if they were working alone, they would be faster and would deliver more quality. Usually that feeling is attached to a feeling that they do the best programming in their team and at the end of the day the idea is quite plausible. If they ARE doing the best programming, and worked alone (and more maybe) the final result would be a better piece of software. I know this idea would only work if you where enough passionate to work 24/7, on a deadline, and great discipline. So after considering the idea and trying to learn a little more, I wonder if there are famous one-man-army programmers that have delivered any (useful) software in the past?

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• HTML5 video on iPad

  - by mrollinsiv

  I have a dynamic video gallery and it works great on a computer. When moving to an iPad, the video starts loading and it shows the cannot play icon. Instead of this I'd rather the video not show until it's ready to play. I have tried to add events listeners for "canplaythrough" and "canplay" and when they occur for the video to fade in then play. Does the iPad not support these events? new_video = document.createElement('video'); new_video.setAttribute('class', 'none'); new_video.setAttribute('width', '568'); new_video.setAttribute('height', '269'); new_video.setAttribute('id', 'video'+video_num); current_video.insertBefore(new_video, video_controls); new_video.load(); new_video.addEventListener('canplaythrough', function() { $('#video'+video_num').fadeIn(100); new_video.play(); });

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• View problem - how to show integer from activity in XML?

  - by Oliver Goossens

  Hi there, I started two days ago with android, gone through the hello android stuff and also started to read the Hello Android book, which is great. PROBLEM: I use in my app - VERY EASY APP- the XML output. So basically the main activity just tells the android to show the XML layout of main. But what if I have in the activity - code defined integer variable and I want this integer variable also be shown on the display? How do I PUSH the integer variable to the XML??? From main XML reference to other strings in XML is easy - @string/app_name ... but how do I use the integer variable from the activity? Please help Thank you Oliver

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• Find and Replace RegEx question

  - by fraXis

  I am starting to get a grip on RegEx thanks to all the great help here on SO with my other questions. But I am still suck on this one: My code is: StreamReader reader = new StreamReader(fDialog.FileName.ToString()); string content = reader.ReadToEnd(); reader.Close(); I am reading in a text file and I want to search for this text and change it (the X and Y value always follow each other in my text file): X17.8Y-1. But this text can also be X16.1Y2.3 (the values will always be different after X and Y) I want to change it to this X17.8Y-1.G54 or X(value)Y(value)G54 My RegEx statement follows but it is not working. content = Regex.Replace(content, @"(X(?:\d*\.)?\d+)*(Y(?:\d*\.)?\d+)", "$1$2G54"); Can someone please modify it for me so it works and will search for X(wildcard) Y(Wildcard) and replace it with X(value)Y(value)G54?

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• Why does Maven have such a bad rep?

  - by Dan

  There is a lot of talk on the internet about how Maven is bad. I have been using some features of Maven for a few years now and the most important benefit in my view is the dependency management. Maven documentation is less than adequate, but generally when I need to accomplish something I figure it once and than it works (for example, I remember when I implemented signing the jars.) I don’t think that Maven is great, but it does solve some problems that without it would be a genuine pain. So, why does Maven has such a bad rep and what problems with Maven can I expect in the future? Maybe there are much better alternatives that I don't know about? (For example, I never looked Ivy in detail.) NOTE: This is not an attempt to cause an argument. It is an attempt to clear the FUD.

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• Java .doc generation

  - by bozo

  Hi, anyone knows an easy method to generate mail merge .doc file from Java? So, I want to create a Word (95/97) document in Word, put some simple placeholders in it (only single value, no iterators and other advanced tags) like the ones used with mailmerge option, and then at runtime replace those placeholders with values from Java. One option is to use Jasperreports, but this would require that I create exact replica of non-trivial Word document in Jasper format, which is not easy and is hard to change later. Is there some method of filling placeholders in Word from Java, which does not require low-level document alteration with positioning and others low-level .doc tags from code, but something like this: docPreparer.fillPlaceholder('placeholder1', 'my real value from runtime'); Some CRMs do this via ActiveX control for internet explorer, and it works great (they use Word's mailmerge) but I need an all-Java solution. Ideas? Thanks, Bozo

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• RegEx to extract all HTML tag attributes including inline JavaScript

  - by Mike

  I found this useful regex code here while looking to parse HTML tag attributes: (\S+)=["']?((?:.(?!["']?\s+(?:\S+)=|[>"']))+.)["']? It works great, but it's missing one key element that I need. Some attributes are event triggers that have inline Javascript code in them like this: onclick="doSomething(this, 'foo', 'bar');return false;" Or: onclick='doSomething(this, "foo", "bar");return false;' I can't figure out how to get the original expression to not count the quotes from the JS (single or double) while it's nested inside the set of quotes that contain the attribute's value.

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• How to distribute email's delivery between 2 or more servers

  - by user181186

  We provide Email Marketing service through our online App. We have about 30 customers. And each one has it's own mailling list (5k to 20k emails each). What we really want is to distribute email's delivery between 2 or more servers. I was wondering What kind of aproach/solutions MailChimp , Constant Contact uses to provide a great service ? use many servers ? many IPs ? Our spam policy suspends ANY user/customer that gets 10% bounced .

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• Most useful Rails plugins, Ruby libraries and Ruby gems?

  - by Srinivas Iyer

  I have seen many sites which provide the whole list of Rails plugins, Ruby libraries and Ruby gems, but we hardly use few of them and some may not suit our requirement and we spend a whole lot of time searching for useful plugins which suits our requirement. I have created this poll, people can post useful libraries, gems and plugins which they have come across. It would be great help for newbies like me and to the entire Ruby on Rails community. Note: to keep this poll as useful as possible, please remember: Post only one library, gem, or plugin per answer Mention the name of the library, gem, or plugin which you find it useful. URL of the location of the resource We don't want duplicate answers, so before posting check if the library has been mentioned already. Thanks

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• Should developers know how to use office suites?

  - by systempuntoout

  How deep is your knowledge on Office suites? Personally i don't like them, i hate create and manage word documents, excel datasheets etc. etc. I'm not talking about opening a word document and write some text or calculate sum and division on excel; i'm talking about advanced features like revisions, vba macros and so on. I have a co-worker, actually he's a talented functional analyst, that don't know anything about programming but he's kind a monster guru on Microsoft Office suite. When he sits on my desk and asks me to open and modify some of his hardly complicated Microsoft Excel multicolor multipivotal recursive datasheet, ehm, i feel like a baby in front of a nuclear plant console.It' not a great feeling if you know what i mean. As programmer, do you feel guilty about not knowing office suites enough?

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• Left Outer Join - SQL2005

  - by Dan beadle

  I thought I knew enough SQL, but I am having problem with a left outer join. I have an expense detail record that needs to link to a table by dept and account_code. The query looks something like this: select Detail.Spend, Budget.BudgetAmt from detail left outer join budget on detail.dept = budget.dept AND dept.account_code = budget.account_code This works great as long as there is a record that exactly matches the join conditions. But sometimes, there is no matching budget item. I want to get back the Detail.Spend from the details table with nulls for the budgetAmt. Instead, I don't get this record at all. Isn't Left Outer Join supposed to return the left (detail) table when there is no match? Is there something different when multiple criteria are used as I do here? Thanks

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