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How to determine if a list of polygon points are in clockwise order?
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23 Answers
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Active
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Create an index on a huge MySQL production table without table locking
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134
[2017] Update: MySQL 5.6 has support for online index updates
https://dev.mysql.com/doc/refman...
How to quit scala 2.11.0 REPL?
In the last version of scala (2.10.3) REPL, I can type exit to quit from REPL. However, in Scala 2.11.0 this doesn't work.
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“simple” vs “current” push.default in git for decentralized workflow
...).
– void.pointer
Jan 14 '15 at 16:23
7
Simple seems the safer "seat belt" option.
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Sort Dictionary by keys
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let dictionary = [
"A" : [1, 2],
"Z" : [3, 4],
"D" : [5, 6]
]
let sortedKeys = Array(dictionary.keys).sorted(<) // ["A", "D", "Z"]
EDIT:
The sorted array from the above code contains keys only, while values have to be retrieved from the original dictiona...
Data structure for loaded dice?
...t time) with a one-time O(n) set-up. You can find it documented in chapter 3 (PDF) of "Non-Uniform Random Variate Generation" by Luc Devroye.
The idea is to take your array of probabilities pk and produce three new n-element arrays, qk, ak, and bk. Each qk is a probability between 0 and 1, and each...
Sass - Converting Hex to RGBa for background opacity
... this would work just fine:
@mixin background-opacity($color, $opacity: 0.3) {
background: $color; /* The Fallback */
background: rgba($color, $opacity);
}
element {
@include background-opacity(#333, 0.5);
}
If you ever need to break the hex color into RGB components, though, you ca...
Convert command line arguments into an array in Bash
...nto the $@ value, use set:
$ set -- apple banana "kiwi fruit"
$ echo "$#"
3
$ echo "$@"
apple banana kiwi fruit
Understanding how to use the argument structure is particularly useful in POSIX sh, which has nothing else like an array.
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how do I work around log4net keeping changing publickeytoken
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edited Apr 24 '13 at 3:33
gsk
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answered Jan 10 '12 at...
How to convert a Binary String to a base 10 integer in Java
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Matt BallMatt Ball
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