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Best practice to validate null and empty collection in Java
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informatik01
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answered Oct 4 '12 at 7:30
JalaynJalayn
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Android emulator shows nothing except black screen and adb devices shows “device offline”
...rted working again.
The "Use Host GPU" does only work for me with Android 4.2 as "Target".
Update 26.02.2014:
There a two hints in the Configuring Graphics Acceleration chapter from developer.android.com.
Caution: As of SDK Tools Revision 17, the graphics acceleration feature for the emulator...
How does Duff's device work?
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There are some good explanations elsewhere, but let me give it a try. (This is a lot easier on...
How can we run a test method with multiple parameters in MSTest?
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It is unfortunately not supported in older versions of MSTest. Apparently there is an extensibi...
Favorite Visual Studio keyboard shortcuts [closed]
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What are the differences between numpy arrays and matrices? Which one should I use?
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edited May 7 at 14:10
hashlash
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answered Apr 11 at 11:52
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How to check if a string starts with a specified string? [duplicate]
... the substr function to return a part of a string.
substr( $string_n, 0, 4 ) === "http"
If you're trying to make sure it's not another protocol. I'd use http:// instead, since https would also match, and other things such as http-protocol.com.
substr( $string_n, 0, 7 ) === "http://"
And in ge...
Is Meyers' implementation of the Singleton pattern thread safe?
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In C++11, it is thread safe. According to the standard, §6.7 [stmt.dcl] p4:
If control enters
the declaration concurrently while the variable is being initialized, the concurrent execution shall wait for completion of the initialization.
GCC and VS support for the feature (Dynamic Initiali...
How do I set a variable to the output of a command in Bash?
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