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Negation in Python

...an simply use os.mkdir() to get the result you need, with added exception handling goodness. Example: blues_sounds_path = "/usr/share/sounds/blues" if not os.path.exists(blues_sounds_path): try: os.mkdir(blues_sounds_path) except OSError: # Handle the case where the directo...
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How can I get the behavior of GNU's readlink -f on a Mac?

...ption -f that follows additional links. This doesn't seem to work on Mac and possibly BSD based systems. What would the equivalent be? ...
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How can I programmatically determine if my app is running in the iphone simulator?

... Watch the #if and #ifdef difference. For me it was the cause of incorrect behavior. – Anton Jan 9 '10 at 9:32 7 ...
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How do I determine file encoding in OS X?

...hich says its default encoding is UTF-8), but LaTeX doesn't seem to understand them. 15 Answers ...
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Java rounding up to an int using Math.ceil

...re only correct for integer division not for long division when values are casted to doubles. Counter examples are 4611686018427386880 / 4611686018427387137 fails on floor and 4611686018427386881 / 4611686018427386880 fails on ceil – Wouter Jul 11 '16 at 12:20 ...
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How to get current CPU and RAM usage in Python?

...(current CPU, RAM, free disk space, etc.) in Python? Bonus points for *nix and Windows platforms. 15 Answers ...
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How can I check the system version of Android?

... Check android.os.Build.VERSION. CODENAME: The current development codename, or the string "REL" if this is a release build. INCREMENTAL: The internal value used by the underlying source control to represent this build. ...
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How to terminate a python subprocess launched with shell=True

I'm launching a subprocess with the following command: 12 Answers 12 ...
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How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?

... the HotSpot FAQ: When writing Java code, how do I distinguish between 32 and 64-bit operation? There's no public API that allows you to distinguish between 32 and 64-bit operation. Think of 64-bit as just another platform in the write once, run anywhere tradition. However, if you'd like to write c...
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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home

... I think JAVA_HOME is the best you can do. The command-line tools like java and javac will respect that environment variable, you can use /usr/libexec/java_home -v '1.7*' to give you a suitable value to put into JAVA_HOME in order to make command line tools use Java 7. expor...