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pretty-print JSON using JavaScript
...rinting is implemented natively in JSON.stringify(). The third argument enables pretty printing and sets the spacing to use:
var str = JSON.stringify(obj, null, 2); // spacing level = 2
If you need syntax highlighting, you might use some regex magic like so:
function syntaxHighlight(json) {
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Apply multiple functions to multiple groupby columns
The docs show how to apply multiple functions on a groupby object at a time using a dict with the output column names as the keys:
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Elegant way to invert a map in Scala
...e inverted value->key lookups. I was looking for a simple way to do this, but came up with only:
10 Answers
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Is it possible to Pivot data using LINQ?
I am wondering if it is possible to use LINQ to pivot data from the following layout:
6 Answers
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Draw a perfect circle from user's touch
...en as they touch with their fingers. Very simple App I did as exercise way back.
My little cousin took the liberty of drawing things with his finger with my iPad on this App (Kids drawings: circle, lines, etc, whatever came to his mind).
Then he started to draw circles and then he asked me to make i...
Replace multiple characters in one replace call
Very simple little question, but I don't quite understand how to do it.
14 Answers
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Haskell function composition (.) and function application ($) idioms: correct use
I have been reading Real World Haskell , and I am nearing the end, but a matter of style has been niggling at me to do with the (.) and ($) operators.
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Code Golf: Lasers
The shortest code by character count to input a 2D representation of a board, and output 'true' or 'false' according to the input .
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Capitalize words in string [duplicate]
What is the best approach to capitalize words in a string?
21 Answers
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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
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The *args and **kwargs is a common idiom to allow arbitrary number of arguments to functions as described in the section more on defining functions in the Python documentation.
The *args will give you all function parameters as a tuple:
def foo(*args):
for a in args:
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