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Fast Linux File Count for a large number of files
I'm trying to figure out the best way to find the number of files in a particular directory when there are a very large number of files ( > 100,000).
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Step-by-step debugging with IPython
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What about ipdb.set_trace() ? In your code :
import ipdb; ipdb.set_trace()
update: now in Python 3.7, we can write breakpoint(). It works the same, but it also obeys to the PYTHONBREAKPOINT environment variable. This feature comes from thi...
Print commit message of a given commit in git
... Nov 28 '11 at 11:35
Harshniket SetaHarshniket Seta
56466 silver badges77 bronze badges
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Need to reset git branch to origin version
... Is there an easy way to do this? I tried deleting the branch and then resetting up the tracking branch, but it just gives me the version I was working on again.
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Using awk to print all columns from the nth to the last
This line worked until I had whitespace in the second field.
24 Answers
24
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How do I parse command line arguments in Bash?
...# save it in an array for later
shift # past argument
;;
esac
done
set -- "${POSITIONAL[@]}" # restore positional parameters
echo "FILE EXTENSION = ${EXTENSION}"
echo "SEARCH PATH = ${SEARCHPATH}"
echo "LIBRARY PATH = ${LIBPATH}"
echo "DEFAULT = ${DEFAULT}"
echo "Number file...
Is there a “null coalescing” operator in JavaScript?
... status here.
It looks like this:
x ?? y
Example
const response = {
settings: {
nullValue: null,
height: 400,
animationDuration: 0,
headerText: '',
showSplashScreen: false
}
};
const undefinedValue = response.settings?.undefinedValue ?? 'some other default'; // result: ...
Invoke a callback at the end of a transition
... FadeOut method (similar to jQuery) using D3.js . What I need to do is to set the opacity to 0 using transition() .
9 Ans...
Wrapping StopWatch timing with a delegate or lambda?
...on, int iterations)
{
sw.Reset();
sw.Start();
for (int i = 0; i < iterations; i++)
{
action();
}
sw.Stop();
return sw.ElapsedMilliseconds;
}
}
Then call it like this:
var s = new Stopwatch();
Console.WriteLine(s.Time...
Convert base-2 binary number string to int
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You use the built-in int function, and pass it the base of the input number, i.e. 2 for a binary number:
>>> int('11111111', 2)
255
Here is documentation for python2, and for python3.
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