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Pad a number with leading zeros in JavaScript [duplicate]
...e.
Example usage:
pad(10, 4); // 0010
pad(9, 4); // 0009
pad(123, 4); // 0123
pad(10, 4, '-'); // --10
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How to get the current time as datetime
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27 Answers
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How to take the first N items from a generator or list in Python? [duplicate]
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526
Slicing a list
top5 = array[:5]
To slice a list, there's a simple syntax: array[start:stop:...
how to get the one entry from hashmap without iterating
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answered Oct 2 '09 at 13:23
Per ÖstlundPer Östlund
1,15477 silver badges66 bronze badges
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Extract a number from a string (JavaScript)
I have a string in JavaScript like #box2 and I just want the 2 from it.
21 Answers
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How can I test https connections with Django as easily as I can non-https connections using 'runserv
...nication. For this we turn to openssl.
Create the key:
openssl genrsa 1024 > stunnel.key
Create the certificate that uses this key (this will ask you a bunch of information that will be included in the certficate - just answer with whatever feels good to you):
openssl req -new -x509 -nodes ...
Shading a kernel density plot between two points.
...x,y) pairs.
Edit: Here you go:
x1 <- min(which(dens$x >= q75))
x2 <- max(which(dens$x < q95))
with(dens, polygon(x=c(x[c(x1,x1:x2,x2)]), y= c(0, y[x1:x2], 0), col="gray"))
Output (added by JDL)
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How to mark a build unstable in Jenkins when running shell scripts
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edited Oct 29 '13 at 9:22
answered Nov 16 '11 at 8:10
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Viewing all defined variables [duplicate]
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answered Mar 11 '09 at 2:36
RedBlueThingRedBlueThing
38.7k1717 gold badges9393 silver badges119119 bronze badges
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Create Pandas DataFrame from a string
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A simple way to do this is to use StringIO.StringIO (python2) or io.StringIO (python3) and pass that to the pandas.read_csv function. E.g:
import sys
if sys.version_info[0] < 3:
from StringIO import StringIO
else:
from io import StringIO
import pandas as pd
TESTDATA = ...