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SQL JOIN and different types of JOINs
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edited Mar 7 '18 at 19:23
TylerH
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How to check if a string in Python is in ASCII?
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def is_ascii(s):
return all(ord(c) < 128 for c in s)
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What does O(log n) mean exactly?
...hm proportionally...and the same goes for, for example, quadratic time O(n2) etc..even algorithms, such as permutation generators, with O(n!) times, that grow by factorials.
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Definition of a Balanced Tree
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The constraint is generally applied recursively to every subtree. That is, the tree is only bal...
Fold / Collapse the except code section in sublime text 2
...ere any plugin or shortcut to hide all except code section in sublime text 2?
5 Answers
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One-line list comprehension: if-else variants
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342
x if y else z is the syntax for the expression you're returning for each element. Thus you need:...
Tools for analyzing performance of a Haskell program
...earn Haskell (so currently I'm a completly beginner) I came over Problem 12 . I wrote this (naive) solution:
4 Answers
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How to use OR condition in a JavaScript IF statement?
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Simply use the logical "OR" operator, that is ||.
if (A || B)
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Windows batch file file download from a URL
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With PowerShell 2.0 (Windows 7 preinstalled) you can use:
(New-Object Net.WebClient).DownloadFile('http://www.example.com/package.zip', 'package.zip')
Starting with PowerShell 3.0 (Windows 8 preinstalled) you can use Invoke-WebRequest:
I...
How to avoid “RuntimeError: dictionary changed size during iteration” error?
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In Python 2.x calling keys makes a copy of the key that you can iterate over while modifying the dict:
for i in d.keys():
Note that this doesn't work in Python 3.x because keys returns an iterator instead of a list.
Another way is ...