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• How can I trigger a transition effect when a child control is added or removed in flex?

  - by Jason Towne

  I've got a custom component that has children components dynamically added and removed to it depending on what button the user clicks. What I would like to do is trigger a transition effect that moves the child component onto the stage when it's added and then moves it off when it's removed. Does anyone have a good example on how to accomplish this? Edit: I figured it out and left my solution below. I hope it helps someone else!

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• Saving private data

  - by rajatgoel

  Hi, Can anybody detail some approach on how to save private data in social websites like facebook, etc. They cant save all the updates and friends list in clear text format because of privacy issues. So how do they actually save it? Hashing all the data with user password so that only a valid session view it is one possibility. But I think there are some problem with this approach and there must be some better solution.

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• Can splitting .MDB files into segments help with stability?

  - by Craig Johnston

  Is this a realistic solution to the problems associated with larger .mdb files: split the large .mdb file into smaller .mdb files have one 'central' .mdb containing links to the tables in the smaller .mdb files How easy would it be to make this change to an .mdb backed VB application? Could the changes to the database be done so that there are no changes required to the front-end application?

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• Manage views for content types (or add a view to multiple lists)

  - by Janis Veinbergs

  I'm surprised that I cannot find on the net a solution where I could manage views for content types. Do I really have to visit each task list with my browser to add/modify a view? Is there any solutions available that would allow me to just define a view for content type and thus make this view available on all lists where content type is?

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• Problem designing google maps app in the application

  - by Rahul Varma

  I have seen the tutorial provided to display google maps here... http://developer.android.com/resources/tutorials/views/hello-mapview.html. But sadly when i try to extend MapActivity instead of Activity the whole program is getting ruined and showing errors starting from onCreate... Whats the solution and how could i get google maps working in my application???

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• MySQL Split Time Ranges into Smaller Chunks

  - by Neren

  Hello all, I've recently been tasked with finishing a PHP/MySQL web app when the developer quit last week. I'm no MySQL expert, so I apologize if this is an intensely simple question. I've searched SO for the better part of two days trying to find a relatively easy solution to my problem, which is as follows. Problem in a Nutshell: I have a MySQL table full of start and end datetime (GMT -5) & UNIX Timestamp values covering durations of irregular length and need to break/split/divide them into more-regular time chunks (5 minutes). I'm not after a count of row entries per time chunk/bucket/period, if that makes any sense. Data Example: started, ended, started_UNIX, ended_UNIX 2010-10-25 15:12:33, 2010-10-25 15:47:09, 1288033953, 1288036029 What I'm hoping to get: 2010-10-25 15:12:33, 2010-10-25 15:15:00, 1288033953, 1288037700 2010-10-25 15:15:00, 2010-10-25 15:20:00, 1288037700, 1288038000 2010-10-25 15:20:00, 2010-10-25 15:25:00, 1288038000, 1288038300 2010-10-25 15:25:00, 2010-10-25 15:30:00, 1288038300, 1288038600 2010-10-25 15:30:00, 2010-10-25 15:35:00, 1288038600, 1288038900 2010-10-25 15:35:00, 2010-10-25 15:40:00, 1288038900, 1288039200 2010-10-25 15:40:00, 2010-10-25 15:45:00, 1288039200, 1288039500 2010-10-25 15:45:00, 2010-10-25 15:47:09, 1288039500, 1288039629 If you're interested, here's the quick & dirty on the app and why I need the data: App overview: The application receives very simple POST requests generated by a basic sensor device when its input pins go to ground, which submits an INSERT query to the database where MySQL records a timestamp (as started). When the input pins return from a grounded state, the device submits a different POST request, which causes the PHP app to submit an UPDATE query, where a modification time timestamp is inserted (as ended). My employer recently changed the periodic reporting unit of measure from Seconds "On" Per Day to Seconds "On" Per 5 Minute Interval. I had formulated what I thought would be a workable solution, but when I looked at it on paper, it looked like Rube Goldberg's nightmare constructed in MySQL, so that was out. Any suggestions as to how to break these spans into 5 minute blocks? Keeping it all in MySQL would be my preference, though I'll take any suggestions. Thank you for any suggestions you may have. Again, I apologize if this is a no-brainer. If I ask any additional questions of the SO collective consciousness in the future, I'll try to word them a bit better. Any help will be happily welcomed. Thanks, Neren

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• Windows Journal Eraser functionality

  - by Nitz

  Hey guys I want to add Eraser functionality in my software. I look down in the SDK of Windows Tablet PC SDK but i can't find any solution for that. there is one eraser sample in that SDK but that is not similar to feature which is in Windows Journal. DOES ANYONE KNOW HOW TO ADD THAT ERASER FEATURE IN MY C# APPLICATION [I WANT SAME AS IN WINDOWS JOURNAL]? btw i am taking reference from Microsoft Windows XP Tablet PC Edition Software Development Kit 1.7.

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• LaTeX lstlisting underlined

  - by Gernot

  Hi, Is there an easy way to have the complete code in a lstlisting environment underlined? My current solution looks like this, but I'm not really happy with it. \begin{lstlisting}[mathescape] $\ul{if(gt(x1, 0)) then} $ ... \end{lstlisting} Thx for any tips.

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• How do I cache query results using LINQ?

  - by Vince

  Hi, Is there any way to cache LINQ to SQL queries by looking at the parameters that were previously passed and bypass the database all together? I know L2S caches some database calls, but I'm looking for a permanant solution as in, even if the applciation restarts, that cache reloads and never asks the database again. Are there any frameworks for C#?

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• Flex SWF not running after bring out from the Flex builder.

  - by Jeeva

  I have developed a flex project It brings out the result from an xml file through an url. It works when i run from flex builder.. I had made a copy of swf file of that mxml file and run seperately by keeping in my desktop.. No values are fetched from the url... What is the solution for this...

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• coding on back button of navigation based application??

  - by hemant

  In one view during a function call i am assigning 1 to a flag...when i navigate back to previous view i want the the flag value to be retained to that view...how cAn i do coding on the button that appears on the screen to navigate back to the previous screen might be able to do it or is there any better solution???

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• alternatives to ms chart control?

  - by chris

  We're using the MS Chart for .net, but encountering the "image not found" problem for which there doesn't seem to be a solution. Are there any alternatives for generating simple charts?

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• whats the best way to parse and replace the string with its values ?

  - by shahjapan

  I may have string like, """Hello, %(name)s, how are you today, here is amount needed: %(partner_id.account_id.debit_amount)d """ what would be the best solution for such template may i need to combine regular expression and eval, input string may differ like $partner_id.account_id.debit_amount$ - for the moment I've kept as python string format - just for testing.

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• Read/Write Excel Files Directly To/From Memory

  - by Corey O.

  Several people have asked, in a roundabout way, but I have yet to see a workable solution. Is there any way to open an excel file from directly memory (like a byte[]) ? Likewise is there a way to write a file directly to memory? I am looking for solutions that will not involve the hard disk or juggling temporary files. Thanks in advance for any suggestions.

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• What is used instead of SendMessage and PostMessage in Java to handle inter-thread communications?

  - by Kieveli

  I'm from a WinAPI / C++ background, and I'm curious as to what the Java world uses in place of a threaded message loop in a worker thread to handle communications and interactions between threads. The idea is to use a message pump in both the worker thread, and the main thread, and have them posting messages back and forth. This solution is very WinAPI / C++ centric, and probably not the preferred method of achieving this goal in Java. What is the 'Java' way to do something like this?

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• Sort collection of objects in HashMap based on the object's variable

  - by chandra wibowo

  I have a collection of book objects in a HashMap. The book has book_title, book_author, book_year_published, etc. I want to sort them based on the book_title which is a String, in both ascending and descending order, and display them on the screen. I wish someone can help me - I have been doing this for hours and still havent come up with a solution. Thanks in advance.

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• How to override embedded style in chrome?

  - by Erinther

  Chrome appends an stylesheet and it make a lot of problems for me. for example this selector html>body, html>body * {background-color:#ffffff !important} is one oe the things I can't override in my own styles. Anyone has a solution for that?

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• Detecting use after free() on windows.

  - by The Rook

  I'm trying to detect "Use after free()" bugs, otherwise known as "Dangling pointers". I know Valgrind can be used to detect "Use after free" bugs on the *nix platform, but what about windows? What if I don't have the source? Is there a better program than Valgrind for detecting all dangling pointers in a program? A free and open source would be preferred , but I'll use a commercial solution if it will get the job done.

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• selenium vs phpunit/lime?

  - by fayer

  i have seen the power of selenium and that it can give you the tests in different languages. so the question is, why should i use phpunit or lime (for symfony) when a solution like selenium is available? isn't it time-consuming to write all the tests by hand, when you can just use selenium? thanks.

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• .NET 4.0 on Windows Azure?

  - by Iain Galloway

  My google-fu is failing me on this one. As a possible solution to http://stackoverflow.com/questions/1679404/unit-testing-net-3-5-projects-using-mstest-in-vs2010 (but I've put this in a seperate question because it's kind of unrelated): Is there any information available regarding if/when .NET 4.0 support will be added to Windows Azure? Cheers!

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• Is there a network diagram standard for illustrating web services?

  - by Phil.Wheeler

  I'm putting together a Solution Architecture document for an enhancement we're adding to our site and it occurs to me that I've never formally illustrated a web service call before. Is there a convention for how web service calls are illustrated on your garden-variety network diagram? Can anyone point me to examples or share something on Create.ly (or similar service)?

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• Is there a way to loop through and execute all of the functions in a Python class?

  - by curious

  I have class Foo(): function bar(): pass function foobar(): pass Rather than executing each function one by one as follows: x = Foo() x.bar() x.foobar() is there a built-in way to loop through and execute each function in the sequence in which they are written in the class? It doesn't matter whether the solution is to add code to the class Foo(), or to do something to x.

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• Checking for nulls in ASP.NET MVC Controllers

  - by Brian McCord

  Another opinion question: What is the proper (in your opinion) to check for nulls in an MVC controller. For instance, if you have an edit controller that fetches a record from the db based on an id, what do you do if that record is not found? I found this article, but I'm not sure I like that method. Do you just check for it with an if statement and redirect to a 404 page? What solution do you use?

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• How to debug web workers

  - by Zachary K

  I have been working with web workers in HTML 5 and am looking for ways to debug them. Ideally something like the firebug or chrome debuggers. Does anyone have any good solution to this. with no access to the console or DOM its kind of hard to debug iffy code

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• JNA problem with char** (in dll)

  - by underline

  Hi, ok it is 'easy' to make jna wrapper solution for mapping exported functions within dll using jna: long f1(int x), just int long f2(char* y), just char[] but how to deal with long f3(char** z) ? I need f3's result(long) as well as z value on java side. Please don't say cpp code should be rewritten to avoid this:-)

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