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Get value from NSTextField

I have an NSTextField and I need to get the field's value into a variable. What's the appropriate method? 4 Answers ...
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Handler vs AsyncTask

I'm confused as to when one would choose AsyncTask over a Handler. Say I have some code I want to run every n seconds which will update the UI. Why would I choose one over the other? ...
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Bash variable scope

Please explain to me why the very last echo statement is blank? I expect that XCODE is incremented in the while loop to a value of 1: ...
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Can code that is valid in both C and C++ produce different behavior when compiled in each language?

C and C++ have many differences, and not all valid C code is valid C++ code. (By "valid" I mean standard code with defined behavior, i.e. not implementation-specific/undefined/etc.) ...
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Undefined reference to static class member

Can anyone explain why following code won't compile? At least on g++ 4.2.4. 7 Answers ...
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How can I change my default database in SQL Server without using MS SQL Server Management Studio?

I dropped a database from SQL Server, however it turns out that my login was set to use the dropped database as its default. I can connect to SQL Server Management Studio by using the 'options' button in the connection dialog and selecting 'master' as the database to connect to. However, whenever ...
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How to change the order of DataFrame columns?

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How to read the RGB value of a given pixel in Python?

If I open an image with open("image.jpg") , how can I get the RGB values of a pixel assuming I have the coordinates of the pixel? ...
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Retrieving the COM class factory for component with CLSID {XXXX} failed due to the following error:

I developed a Windows service using C#.NET to generate PDF report. To generate PDF file I am using a third party dll. The application is running in my Windows XP platform. When I deployed the service in Windows Server 2008 64 bit version, I got this error: ...
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What's the simplest way to subtract a month from a date in Python?

If only timedelta had a month argument in it's constructor. So what's the simplest way to do this? 20 Answers ...