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How to generate random number with the specific length in python
Let say I need a 3 digit number, so it would be something like:
8 Answers
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What's the difference between echo, print, and print_r in PHP?
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print and echo are more or less the same; they are both language constructs that display strings. The differences are subtle: print has a return value of 1 so it can be used in expressions whereas echo has a void return type; echo can take multiple parameters, although such u...
Can I read the hash portion of the URL on my server-side application (PHP, Ruby, Python, etc.)?
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The main problem is that the browser won't even send a request with a fragment part. The fragment part is resolved right there in the browser. So it's reachable through JavaScript.
Anyway, you could parse a URL into bits, including the ...
Include an SVG (hosted on GitHub) in MarkDown
I know with that an image can be placed in a MD with the MD syntax of either  or  , but I am having difficulty placing an SVG in MD where the code is hosted on GitHub.
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Is there an “exists” function for jQuery?
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In JavaScript, everything is 'truthy' or 'falsy', and for numbers 0 means false, everything else true. So you could write:
if ($(selector).length)
You don't need that >0 part.
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Returning the product of a list
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Without using lambda:
from operator import mul
reduce(mul, list, 1)
it is better and faster. With python 2.7.5
from operator import mul
import numpy as np
import numexpr as ne
# from functools import reduce # python3 compatibility
a = ra...
What does axis in pandas mean?
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It specifies the axis along which the means are computed. By default axis=0. This is consistent with the numpy.mean usage when axis is specified explicitly (in numpy.mean, axis==None by default, which computes the mean value over the flattened array) , in which axis=0 along the rows...
How can I check if a scrollbar is visible?
Is it possible to check the overflow:auto of a div?
19 Answers
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How to format a float in javascript?
...he code isn't self-explanatory.
edit: ...or just use toFixed, as proposed by Tim Büthe. Forgot that one, thanks (and an upvote) for reminder :)
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Should I use != or for not equal in T-SQL?
I have seen SQL that uses both != and <> for not equal . What is the preferred syntax and why?
14 Answers
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