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onConfigurationChanged not getting called

...en the device switches between portrait and landscape orientation. Thus, if you want to prevent runtime restarts due to orientation change when developing for API level 13 or higher (as declared by the minSdkVersion and targetSdkVersion attributes), you must include the "screenSize" value in...
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Flatten list of lists [duplicate]

...of_lists: for val in sublist: flattened.append(val) The big difference is that the list comp evaluates MUCH faster than the unraveled loop and eliminates the append calls! If you have multiple items in a sublist the list comp will even flatten that. ie >>> list_of_lists = [...
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Eclipse - java.lang.ClassNotFoundException

...empts, I found the solution. Check your project build-path and enable specific output folders for each folder. Go one by one though each source-folder of your project and set the output folder that maven would use. For example, your web project's src/main/java should have target/classes under the...
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How to get overall CPU usage (e.g. 57%) on Linux [closed]

...ll CPU usage in all the cores since the system bootup. This could be very different from the current CPU usage. To get the current value top (or similar tool) must be used. Current CPU usage can be potentially calculated with: awk '{u=$2+$4; t=$2+$4+$5; if (NR==1){u1=u; t1=t;} else print ($2+$4-u...
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How to insert a text at the beginning of a file?

... The flaw of this solution is that it doesn't add the text if file is empty. – DBedrenko Apr 16 '16 at 20:45  |  show 8 more c...
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How to split strings across multiple lines in CMake?

... Also if want to use indentation and are 80 char limit bound then another way is to do like this: <code> message("This is the value of the variable: " <br> "${varValue}") </code> ...
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How do you stop MySQL on a Mac OS install?

... There are different cases depending on whether you installed MySQL with the official binary installer, using MacPorts, or using Homebrew: Homebrew brew services start mysql brew services stop mysql brew services restart mysql MacPor...
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Drag and drop files into WPF

... to do. private void ImagePanel_Drop(object sender, DragEventArgs e) { if (e.Data.GetDataPresent(DataFormats.FileDrop)) { // Note that you can have more than one file. string[] files = (string[])e.Data.GetData(DataFormats.FileDrop); // Assuming you have one file that you care abou...
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Manifest merger failed : uses-sdk:minSdkVersion 14

...(21.0.0-rc1) latest L release which obviously requires the L SDK. Edit: If you need to use the new views (CardView, RecyclerView, and Palette), the following should work: compile "com.android.support:cardview-v7:21.0.0" compile "com.android.support:recyclerview-v7:21.0.0" compile "com.android.su...
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What does “yield break;” do in C#?

... It specifies that an iterator has come to an end. You can think of yield break as a return statement which does not return a value. For example, if you define a function as an iterator, the body of the function may look like this: ...