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How to get current route in Symfony 2?
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@got a switchwation for you check meta.stackexchange.com/questions/155258/…
– NullPoiиteя
Nov 10 '12 at 6:35
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How to check if an object is a list or tuple (but not string)?
...a function passes a str object by mistake, and the target function does for x in lst assuming that lst is actually a list or tuple .
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Unzip a file with php
...ect way to unzip a file is a bit frightening.
PHP has built-in extensions for dealing with compressed files. There should be no need to use system calls for this. ZipArchivedocs is one option.
$zip = new ZipArchive;
$res = $zip->open('file.zip');
if ($res === TRUE) {
$zip->extractTo('/myzi...
How to implement the --verbose or -v option into a script?
...d to
# stuff everything to be printed into a single string
for arg in args:
print arg,
print
else:
verboseprint = lambda *a: None # do-nothing function
(Yes, you can define a function in an if statement, and it'll only get defined if the condition is ...
How to smooth a curve in the right way?
...imate the point in the center of the window. Finally the window is shifted forward by one data point and the process repeats. This continues until every point has been optimally adjusted relative to its neighbors. It works great even with noisy samples from non-periodic and non-linear sources.
Here...
Python argparse: How to insert newline in the help text?
I'm using argparse in Python 2.7 for parsing input options. One of my options is a multiple choice. I want to make a list in its help text, e.g.
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Generate a heatmap in MatPlotLib using a scatter data set
... title, axis labels, etc. and then do the normal savefig() like I would do for any other typical matplotlib plot.
– gotgenes
Jul 15 '11 at 19:19
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How do you 'redo' changes after 'undo' with Emacs?
...n:
You can think of undo as operating on a stack of operations. If you perform some command (even a navigation command such as C-f) after a sequence of undo operations, all the undos are pushed on to the operation stack. So the next undo undoes the last command. Suppose you do have an operation s...
How to list imported modules?
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import sys
sys.modules.keys()
An approximation of getting all imports for the current module only would be to inspect globals() for modules:
import types
def imports():
for name, val in globals().items():
if isinstance(val, types.ModuleType):
yield val.__name__
This w...
Is there a math nCr function in python? [duplicate]
..., ('a', 'd'), ('b', 'c'), ('b', 'd'), ('c', 'd')]
>>> [''.join(x) for x in itertools.combinations('abcd',2)]
['ab', 'ac', 'ad', 'bc', 'bd', 'cd']
If you just need to compute the formula, use math.factorial:
import math
def nCr(n,r):
f = math.factorial
return f(n) / f(r) / f(n-r)
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