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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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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 ...
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Disable password authentication for SSH [closed]

I'm looking for a way to disable SSH clients from accessing the password prompt as noted here . 5 Answers ...
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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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Getting random numbers in Java [duplicate]

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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. ...