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What does the 'b' character do in front of a string literal?
...on 2.x documentation:
A prefix of 'b' or 'B' is ignored in
Python 2; it indicates that the
literal should become a bytes literal
in Python 3 (e.g. when code is
automatically converted with 2to3). A
'u' or 'b' prefix may be followed by
an 'r' prefix.
The Python 3 documentation state...
Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty
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I had the same error and it turned out to be a circular dependency between a module or class loaded by the settings and the settings module itself. In my case it was a middleware class which was named in the settings which itself tried to load the se...
Entity Framework: table without primary key
I have an existing DB with which I would like to build a new app using EF4.0
18 Answers
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What languages are Windows, Mac OS X and Linux written in?
...d what languages are used for each part of the OS (ie: Kernel, plug-in architecture, GUI components, etc).
13 Answers
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Use Expect in a Bash script to provide a password to an SSH command
...ing the password works, but I don't end up in the SSH session as I should. It goes back strait to Bash.
9 Answers
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Class with single method — best approach?
... that's meant to perform a single function. After performing the function, it can be destroyed. Is there any reason to prefer one of these approaches?
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Why is std::map implemented as a red-black tree?
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Probably the two most common self balancing tree algorithms are Red-Black trees and AVL trees. To balance the tree after an insertion/update both algorithms use the notion of rotations where the nodes of the tree are rotated to perform the re-balancing.
While in both algorithm...
Changing Ctrl + Tab behavior for moving between documents in Visual Studio
Is it possible to change how Ctrl + Tab and Shift + Ctrl + Tab work in Visual Studio? I have disabled the popup navigator window, because I only want to switch between items in the tab control. My problem is the inconsistency of what switching to the next and previous document do.
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nonlocal keyword in Python 2.x
...ement a closure in Python 2.6 and I need to access a nonlocal variable but it seems like this keyword is not available in python 2.x. How should one access nonlocal variables in closures in these versions of python?
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Case insensitive regular expression without re.compile?
In Python, I can compile a regular expression to be case-insensitive using re.compile :
9 Answers
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