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Can't pickle when using multiprocessing Pool.map()
... is that multiprocessing must pickle things to sling them among processes, and bound methods are not picklable. The workaround (whether you consider it "easy" or not;-) is to add the infrastructure to your program to allow such methods to be pickled, registering it with the copy_reg standard librar...
How to remove leading and trailing white spaces from a given html string?
...ing HTML string. What would be sample code in JavaScript to remove leading and trailing white spaces from this string?
7 An...
How do I create a random alpha-numeric string in C++?
I'd like to create a random string, consisting of alpha-numeric characters. I want to be able to be specify the length of the string.
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C#: Difference between List and Collection (CA1002, Do not expose generic lists) [duplicate]
Tried to run Run Code Analysis on a project here, and got a number of warnings that said something like this:
2 Answers
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Getting realtime output using subprocess
I am trying to write a wrapper script for a command line program (svnadmin verify) that will display a nice progress indicator for the operation. This requires me to be able to see each line of output from the wrapped program as soon as it is output.
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enum.values() - is an order of returned enums deterministic
...d to return them in that order.
However you should avoid relying on that, and on the ordinal() value, since it can change after inserting new items, for example.
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Inputting a default image in case the src attribute of an html is not valid?
...tatic.net/Img/unified/sprites.svg?v=e5e58ae7df45" alt="Stack Overflow logo and icons and such">
</object>
</p>
</body>
</html>
Since the first image doesn't exist, the fallback (the sprites used on this web site*) will display. And if you're using a re...
Simple way to transpose columns and rows in SQL?
How do I simply switch columns with rows in SQL?
Is there any simple command to transpose?
9 Answers
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Executing multi-line statements in the one-line command-line?
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this style can be used in makefiles too (and in fact it is used quite often).
python - <<EOF
import sys
for r in range(3): print 'rob'
EOF
or
python - <<-EOF
import sys
for r in range(3): print 'rob'
EOF
in latter case leading tab character...
Create new tmux session from inside a tmux session
...es or switches to a given session, depending on whether one is inside tmux and the session exists.
6 Answers
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