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Purpose of #!/usr/bin/python3
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That's called a hash-bang. If you run the script from the shell, it will inspect the first line to figure out what program should be started to interpret the script.
A non Unix based OS will use its own rules for figuring out how to run the script. Windows for example will...
How do you update Xcode on OSX to the latest version?
...at this will only show as an update if you installed your version directly from the App Store. However, if you installed it from elsewhere, you will need to re-download the entire new version of Xcode.
– CodeBiker
Aug 3 '13 at 20:39
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How do I add a path to PYTHONPATH in virtualenv
... a path to the PYTHONPATH environment variable, that would be only visible from a particular virtualenv environment.
5 Ans...
Detect Android phone via Javascript / jQuery
... modifier is used to perform case-insensitive matching.
Technique taken from Cordova AdMob test project: https://github.com/floatinghotpot/cordova-admob-pro/wiki/00.-How-To-Use-with-PhoneGap-Build
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How do you detect/avoid Memory leaks in your (Unmanaged) code? [closed]
... unmanaged C/C++ code, what are the best practices to detect memory leaks? And coding guidelines to avoid? (As if it's that simple ;)
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Recursively list all files in a directory including files in symlink directories
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Using ls:
ls -LR
from 'man ls':
-L, --dereference
when showing file information for a symbolic link, show informa‐
tion for the file the link references rather than for the link
itself
Or, using find:
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How does @synchronized lock/unlock in Objective-C?
...explains it in more detail. This is why you're not seeing the log messages from your NSLock subclass — the object you synchronize on can be anything, not just an NSLock.
Basically, @synchronized (...) is a convenience construct that streamlines your code. Like most simplifying abstractions, it ha...
What is the difference between Sublime text and Github's Atom [closed]
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How is Atom different from Sublime?
Atom is an open source text editor/IDE, built on JavaScript/HTML/CSS.
Sublime Text is a commercial product, built on C/C++ and Python.
Comparable to Atom is Adobe Brackets, another open source text editor/IDE ...
BASH copy all files except one
...re you copying the files to a folder nested within the folder your copying from?
– Jon
Aug 21 '09 at 18:48
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How is malloc() implemented internally? [duplicate]
...c really gives memory segments back to the kernel with that method). Aside from that, there's also mmap which is used to map files into memory but is also used to allocate memory (if you need to allocate shared memory, mmap is how you do it).
So you have two methods of getting more memory from the ...