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Environment variables in Mac OS X
Update: The link below does not have a complete answer . Having to set the path or variable in two places (one for GUI and one for shell) is lame.
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Cost of exception handlers in Python
In another question , the accepted answer suggested replacing a (very cheap) if statement in Python code with a try/except block to improve performance.
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SSL handshake alert: unrecognized_name error since upgrade to Java 1.7.0
I upgraded from Java 1.6 to Java 1.7 today.
Since then an error occur when I try to establish a connection to my webserver over SSL:
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Best practice for creating millions of small temporary objects
What are the "best practices" for creating (and releasing) millions of small objects?
13 Answers
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Python: Get the first character of the first string in a list?
How would I get the first character from the first string in a list in Python?
4 Answers
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Is recursion ever faster than looping?
I know that recursion is sometimes a lot cleaner than looping, and I'm not asking anything about when I should use recursion over iteration, I know there are lots of questions about that already.
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Secondary axis with twinx(): how to add to legend?
I have a plot with two y-axes, using twinx() . I also give labels to the lines, and want to show them with legend() , but I only succeed to get the labels of one axis in the legend:
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What is a word boundary in regex?
I am using Java regexes in Java 1.6 (to parse numeric output, among other purposes) and cannot find a precise definition of \b ("word boundary"). I had assumed that -12 would be an "integer word" (matched by \b\-?\d+\b ) but it appears that this does not work. I'd be grateful to know of ways ...
Query grants for a table in postgres
How can I query all GRANTS granted to an object in postgres?
7 Answers
7
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Can someone explain __all__ in Python?
I have been using Python more and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does?
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