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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 ...
How to change the order of DataFrame columns?
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34 Answers
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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
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chrome undo the action of “prevent this page from creating additional dialogs”
I sometimes find that I need to re-enable alerting for debugging. Of course I can close the tab and reload it but Is there a better way?
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