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What do you call the -> operator in Ruby?
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In Ruby Programming Language ("Methods, Procs, Lambdas, and Closures"), a lambda defined using...
Is Java Regex Thread Safe?
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edited May 2 '14 at 21:32
Sam
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ans...
How to determine the encoding of text?
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Correctly detecting the encoding all times is impossible.
(From chardet FAQ:)
However, so...
How to initialize a two-dimensional array in Python?
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28 Answers
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In Python, when should I use a function instead of a method?
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edited Jul 17 '17 at 2:32
charlie80
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answered Nov 13 '11 at 1:...
Implementing Comments and Likes in database
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great answer, thank you. I hope, I will manage to implement it... and I wonder how Django ORM will handle to map it (or how I will do that b...
Javascript Equivalent to PHP Explode()
...onversion from your PHP code:
//Loading the variable
var mystr = '0000000020C90037:TEMP:data';
//Splitting it with : as the separator
var myarr = mystr.split(":");
//Then read the values from the array where 0 is the first
//Since we skipped the first element in the array, we start at 1
var myvar...
What is android:weightSum in android, and how does it work?
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edited Mar 16 '17 at 12:39
answered Sep 17 '11 at 5:59
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How is this fibonacci-function memoized?
...In normal doubly-recursve Fibonacci definition, fib n = fib (n-1) + fib (n-2), the function itself gets called, twice from the top, causing the exponential explosion. But with that trick, we set out a list for the interim results, and go "through the list":
fib n = (xs!!(n-1)) + (xs!!(n-2)) where x...
Does “\d” in regex mean a digit?
I found that in 123 , \d matches 1 and 3 but not 2 . I was wondering if \d matches a digit satisfying what kind of requirement? I am talking about Python style regex.
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