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How do I close an open port from the terminal on the Mac?
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12 Answers
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What does the (unary) * operator do in this Ruby code?
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271
The * is the splat operator.
It expands an Array into a list of arguments, in this case a list ...
Python Regex - How to Get Positions and Values of Matches
...he re module? For example given the pattern r'[a-z]' and the string 'a1b2c3d4' I'd want to get the positions where it finds each letter. Ideally, I'd like to get the text of the match back too.
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How can one see content of stack with GDB?
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info frame to show the stack frame info
To read the memory at given addresses you should take...
git update-index --assume-unchanged on directory
git 1.7.12
4 Answers
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Why does Python print unicode characters when the default encoding is ASCII?
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104
Thanks to bits and pieces from various replies, I think we can stitch up an explanation.
By ...
How to merge two files line by line in Bash
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You can use paste:
paste file1.txt file2.txt > fileresults.txt
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What's the difference between eval, exec, and compile?
...ed as an expression, so it really does not return anything).
In versions 1.0 - 2.7, exec was a statement, because CPython needed to produce a different kind of code object for functions that used exec for its side effects inside the function.
In Python 3, exec is a function; its use has no effec...
Convert UTC to local time in Rails 3
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Rails has its own names. See them with:
rake time:zones:us
You can also run rake time:zones...
creating list of objects in Javascript
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var list = [
{ date: '12/1/2011', reading: 3, id: 20055 },
{ date: '13/1/2011', readin...