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What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
...unction(s){ return s.length });
// ECMAscript 6 using arrow functions
var a3 = a.map( s => s.length );
// both a2 and a3 will be equal to [31, 30, 31, 31]
Notes on Compatibility
You can use arrow functions in Node, but browser support is spotty.
Browser support for this functionality has impr...
TypeScript function overloading
...tring, a2: number): string
createFeatureLayer(a1: number, a2: boolean, a3: string): number
createFeatureLayer(a1: string | number, a2: number | boolean, a3?: string)
: number | string { /*... your implementation*/ }
}
const fact = new LayerFactory()
fact.createFeatureLayer("foo", 42...
Wait until all jQuery Ajax requests are done?
...ke this:
$.when(ajax1(), ajax2(), ajax3(), ajax4()).done(function(a1, a2, a3, a4){
// the code here will be executed when all four ajax requests resolve.
// a1, a2, a3 and a4 are lists of length 3 containing the response text,
// status, and jqXHR object for each of the four ajax calls ...
Mac OS X Git安装教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...blished.
RSA key fingerprint is 16:27:ac:a5:76:28:2d:36:63:1b:56:4d:eb:df:a6:48.
Are you sure you want to continue connecting (yes/no)? yes
PTY allocation request failed on channel 0
Hi Jone Zhang! You've successfully authenticated, but GitHub does not provide shell access.
Connection ...
How to query as GROUP BY in django?
... community wiki
3 revs, 3 users 82%Michael
...
Regular expression for floating point numbers
...'+') is optional
'-1.' and '-.1' are valid but '.' and '-.' are invalid
'.1e3' is valid, but '.e3' and 'e3' are invalid
In order to support both '1.' and '.1' we need an OR operator ('|') in order to make sure we exclude '.' from matching.
[+-]? +/- sing is optional since ? means 0 or 1 matches
...
What is a stored procedure?
... community wiki
2 revs, 2 users 82%Supun Wijerathne
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How to convert floats to human-readable fractions?
...**
** based on the theory of continued fractions
** if x = a1 + 1/(a2 + 1/(a3 + 1/(a4 + ...)))
** then best approximation is found by truncating this series
** (with some adjustments in the last term).
**
** Note the fraction can be recovered as the first column of the matrix
** ( a1 1 ) ( a2 1 ) (...
Initializing a struct to 0
...mpty braces for initialization is a GNU extension.
– a3f
Sep 12 '15 at 18:13
2
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What is the most useful script you've written for everyday life? [closed]
... community wiki
3 revs, 2 users 82%user19302
1
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