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What is external linkage and internal linkage?

..., etc) your compiler generates a translation unit. This is the source file from your implementation plus all the headers you #included in it. Internal linkage refers to everything only in scope of a translation unit. External linkage refers to things that exist beyond a particular translation uni...
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What is the Python equivalent of Matlab's tic and toc functions?

... Apart from timeit which ThiefMaster mentioned, a simple way to do it is just (after importing time): t = time.time() # do stuff elapsed = time.time() - t I have a helper class I like to use: class Timer(object): def __init_...
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Strip Leading and Trailing Spaces From Java String

Is there a convenience method to strip any leading or trailing spaces from a Java String? 6 Answers ...
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App restarts rather than resumes

... Today a QA tester reported an app of mine restarting rather than resuming from the stock launcher in Android M. In reality, the system was adding the launched activity to the current task-stack, but it appeared to the user as if a restart had occurred and they'd lost their work. The sequence was: ...
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Get a pixel from HTML Canvas?

....getElementById('myCanvas').getContext('2d'); // Get the CanvasPixelArray from the given coordinates and dimensions. var imgd = context.getImageData(x, y, width, height); var pix = imgd.data; // Loop over each pixel and invert the color. for (var i = 0, n = pix.length; i < n; i += 4) { pix[...
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Get user info via Google API

Is it possible to get information from user's profile via Google API? If it is possible, which API should I use? 8 Answers...
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Stopping an Android app from console

Is it possible to stop an Android app from the console? Something like: 11 Answers 11 ...
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How can I solve a connection pool problem between ASP.NET and SQL Server?

...n(); someCall(connection); } When your function returns a connection from a class method make sure you cache it locally and call its Close method. You'll leak a connection using this code for example: var command = new OleDbCommand(someUpdateQuery, getConnection()); result = command.ExecuteNo...
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C++ auto keyword. Why is it magic?

From all the material I used to learn C++, auto has always been a weird storage duration specifier that didn't serve any purpose. But just recently, I encountered code that used it as a type name in and of itself. Out of curiosity I tried it, and it assumes the type of whatever I happen to assig...
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Qt 5.1.1: Application failed to start because platform plugin “windows” is missing

...ows". Available platforms are: windows" error. I had copied qwindows.dll from C:\Qt\Qt5.1.1\Tools\QtCreator\bin\plugins\platforms, which is not the right location. I looked at the debug log from running in Qt Creator and found that my app was looking in C:\Qt\Qt5.1.1\5.1.1\mingw48_32\plugins\plat...