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How do you rotate a two dimensional array?
Inspired by Raymond Chen's post , say you have a 4x4 two dimensional array, write a function that rotates it 90 degrees. Raymond links to a solution in pseudo code, but I'd like to see some real world stuff.
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Why is arr = [] faster than arr = new Array?
... IDENTIFIER, CALL
new Array(5): NEW, IDENTIFIER, CALL (NUMBER)
new Array(5,4): NEW, IDENTIFIER, CALL (NUMBER, NUMBER)
new Array(5, foo): NEW, IDENTIFIER, CALL (NUMBER, IDENTIFIER)
Hopefully this should provide you a sufficient visualization so you can understand how much more (or less) processing ...
Find which commit is currently checked out in Git
...ut into your working copy during a git bisect session (note that options 1-4 will also work when you're not doing a bisect):
git show.
git log -1.
Bash prompt.
git status.
git bisect visualize.
I'll explain each option in detail below.
Option 1: git show
As explained in this answer to the gen...
space between divs - display table-cell
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answered Aug 20 '13 at 22:47
Hashem QolamiHashem Qolami
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Need to understand the usage of SemaphoreSlim
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edited Feb 10 '17 at 3:34
LeopardSkinPillBoxHat
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What is the difference between a shim and a polyfill?
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edited Nov 6 '19 at 7:42
Raghav Sood
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What is the AppDelegate for and how do I know when to use it?
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4 Answers
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Transfer-Encoding: gzip vs. Content-Encoding: gzip
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edited Aug 17 '16 at 22:42
answered Jul 26 '12 at 7:19
Ev...
How to use shell commands in Makefile
... torektorek
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