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Make a program run slowly

... Lower the priority using nice (and/or renice). You can also do it programmatically using nice() system call. This will not slow down the execution speed per se, but will make Linux scheduler allocate less (and possibly shorter) execution time frames, preem...
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iOS: How to store username/password within an app?

I have a login-screen in my iOS app. The username and password will be saved in the NSUserDefaults and be loaded into the login-screen again when you enter the app again (of course, NSUserDefaults are permanent). ...
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Search for selection in vim

I use vim and vim plugins for visual studio when writing C++. Often, I find myself wanting to search for a string within a function, for example every call to object->public_member.memberfunc() . ...
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How to spread django unit tests over multiple files?

...ins with test, automatically build a test suite out of those test cases, and run that suite. From Django 1.6 documentation, Test discovery is based on the unittest module’s built-in test discovery. By default, this will discover tests in any file named “test*.py” under the current ...
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How can I redirect HTTP requests made from an iPad?

... the edits take effect. On Ubuntu that's sudo service squid3 reload. Also--and maybe this is a config problem specific to my dev server--on my iPad I have to manually enter the http:// for address resolution to work correctly. – Andy Giesler Jun 4 '14 at 15:39 ...
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Most pythonic way to delete a file which may not exist

...e(filename) except OSError: pass Although this takes even more lines and looks very ugly, it avoids the unnecessary call to os.path.exists() and follows the python convention of overusing exceptions. It may be worthwhile to write a function to do this for you: import os, errno def silentrem...
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What's wrong with using $_REQUEST[]?

... There's absolutely nothing wrong with taking input from both $_GET and $_POST in a combined way. In fact that's what you almost always want to do: for a plain idempotent request usually submitted via GET, there's the possibility the amount of data you want won't fit in a URL so it has be m...
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Bundling data files with PyInstaller (--onefile)

...ying to build a one-file EXE with PyInstaller which is to include an image and an icon. I cannot for the life of me get it to work with --onefile . ...
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Convert PDF to image with high resolution

I'm trying to use the command line program convert to take a PDF into an image (JPEG or PNG). Here is one of the PDFs that I'm trying to convert. ...
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PHP memory profiling

...page's memory usage? For example, to see how much memory my data is using, and/or which function calls are allocating the most memory. ...