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How to calculate the CPU usage of a process by PID in Linux from C?
I want to programmatically [in C] calculate CPU usage % for a given process ID in Linux.
12 Answers
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Creating dataframe from a dictionary where entries have different lengths
Say I have a dictionary with 10 key-value pairs. Each entry holds a numpy array. However, the length of the array is not the same for all of them.
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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
What is the most efficient algorithm to achieve the following:
27 Answers
27
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The builds tools for v120 (Platform Toolset = 'v120') cannot be found
Using visual studio 2012 on windows 8 x64
aparantly this is caused by msbuild being moved into .net but I havn't seen how to fix it yet.
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How can I check if a program exists from a Bash script?
How would I validate that a program exists, in a way that will either return an error and exit, or continue with the script?
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Didn't Java once have a Pair class? [duplicate]
Am I remembering incorrectly, or did Java, once upon a time, provide a Pair class as part of its API?
10 Answers
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Delete files older than 10 days using shell script in Unix [duplicate]
...l scripts, can anyone help? I want to delete scripts in a folder from the current date back to 10 days.
The scripts looks like:
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Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
I am developing a website that is supposed to be responsive so that people can access it from their phones. The site has got some secured parts that can be logged into using Google, Facebook, ...etc (OAuth).
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Vim: Replacing a line with another one yanked before
At least once per day i have the following situation:
16 Answers
16
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Python “SyntaxError: Non-ASCII character '\xe2' in file”
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You've got a stray byte floating around. You can find it by running
with open("x.py") as fp:
for i, line in enumerate(fp):
if "\xe2" in line:
print i, repr(line)
where you should replace "x.py" by th...