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Python function attributes - uses and abuses [closed]
...ciated data together:
#!/usr/bin/env python
SW_DELTA = 0
SW_MARK = 1
SW_BASE = 2
def stopwatch():
import time
def _sw( action = SW_DELTA ):
if action == SW_DELTA:
return time.time() - _sw._time
elif action == SW_MARK:
_sw._time = time.time()
retur...
error opening HPROF file: IOException: Unknown HPROF Version
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Batch file to copy directories recursively
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What does [:] mean?
...nce.
Next:
x[:] = obj
Is a way to set the items (it calls __setitem__) based on obj.
and, I think you can probably guess what:
del x[:]
calls ;-).
You can also pass different slices:
x[1:4]
constructs slice(1,4,None)
x[::-1]
constructs slice(None,None,-1) and so forth. Further readin...
Is inject the same thing as reduce in ruby?
...
i like to separate them based on how it's used, obviously just for semantics. if its a proc (&:+), reduce, if it's a block, inject
– TheRealMrCrowley
Jan 8 '18 at 20:12
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Generate random numbers following a normal distribution in C/C++
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Here's a C++ example, based on some of the references. This is quick and dirty, you are better off not re-inventing and using the boost library.
#include "math.h" // for RAND, and rand
double sampleNormal() {
double u = ((double) rand() / (RA...
Expand Python Search Path to Other Source
I have just joined a project with a rather large existing code base. We develop in linux and do not use and IDE. We run through the command line. I'm trying to figure out how to get python to search for the right path when I run project modules. For instance, when I run something like:
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How is __eq__ handled in Python and in what order?
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base on this answer and accompanied comments , this just left me more confused than before.
– Sajuuk
May 14 '19 at 8:48
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How do I convert an interval into a number of hours with postgres?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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pretty-print JSON using JavaScript
...ring, you had a normal object. JSON is always a string. It's just a string-based representation of a Javascript object.
– Clonkex
Jan 3 '18 at 2:53
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