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Purpose of #!/usr/bin/python3
...t the shebang line.
You can use #!/usr/bin/env python3 for portability across different systems in case they have the language interpreter installed in different locations.
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TCP: can two different sockets share a port?
...utbound connections to use a random client-side port, in which case it is possible to run out of available ports if you make a lot of connections in a short amount of time.
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Use jQuery to get the file input's selected filename without the path
...MikeDeSimone I've tested split('\\').pop(); on Win 7, Ubuntu 11.04 and Mac OS X and it works fine on all of them.
– Alex
Mar 8 '12 at 14:57
3
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How to convert 'binary string' to normal string in Python3?
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I suggest to add the following to complete the answer. Most times we need to decode bytes from our operating system, such as console output, the most pythonic way I found to do it is to import locale and then os_encoding = locale.getpreferredencoding(). This way, we can decode usi...
Installation Issue with matplotlib Python [duplicate]
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Problem Cause
In mac os image rendering back end of matplotlib (what-is-a-backend to render using the API of Cocoa by default). There are Qt4Agg and GTKAgg and as a back-end is not the default. Set the back end of macosx that is differ compare wi...
The command rbenv install is missing
...ithub.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build
On Mac OS X you can install it through homebrew:
brew install ruby-build
On Debian (version >= 7) and Ubuntu (version >= 12.10) both rbenv and ruby-build can be installed using apt-get (or aptitude):
sudo apt-get update
su...
how to change default python version?
...even aware of which expect python=python2, and changing this would break those programs and scripts.
The answer you are probably looking for is You should not change this.
You could, however, make a custom alias in your shell. The way you do so depends on the shell, but perhaps you could do alias ...
Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
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With AppKit on OS X you would need to convert to an NSPoint and then call NSStringFromPoint. For example: NSStringFromPoint(NSPointFromCGPoint(point))
– Alex
Aug 22 '12 at 17:56
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How to use an existing database with an Android application [duplicate]
...ataBaseExist) {
this.getReadableDatabase();
this.close();
try {
// Copy the database from assests
copyDataBase();
Log.e(TAG, "createDatabase database created");
} catch (IOException mIOException) {
...
What exactly does stringstream do?
...her numerical types. The usage of stringstream is similar to the usage of iostream, so it is not a burden to learn.
Stringstreams can be used to both read strings and write data into strings. It mainly functions with a string buffer, but without a real I/O channel.
The basic member functions of st...