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Which equals operator (== vs ===) should be used in JavaScript comparisons?
...ct consistently with one another (except in a special case).
var a = [1,2,3];
var b = [1,2,3];
var c = { x: 1, y: 2 };
var d = { x: 1, y: 2 };
var e = "text";
var f = "te" + "xt";
a == b // false
a === b // false
c == d // false
c === d // false
e == f...
Why does Math.round(0.49999999999999994) return 1?
... pathological case.2 Java 7 no longer mandates this broken implementation.3
The problem
0.5+0.49999999999999994 is exactly 1 in double precision:
static void print(double d) {
System.out.printf("%016x\n", Double.doubleToLongBits(d));
}
public static void main(String args[]) {
double a =...
Maximum number of threads in a .NET app?
...e: Just out of interest: .NET Thread Pool default numbers of threads:
1023 in Framework 4.0 (32-bit environment)
32767 in Framework 4.0 (64-bit environment)
250 per core in Framework 3.5
25 per core in Framework 2.0
(These numbers may vary depending upon the hardware and OS)]
...
How to add jQuery in JS file
...ment.createElement('script');
script.src = 'https://code.jquery.com/jquery-3.4.1.min.js';
script.type = 'text/javascript';
document.getElementsByTagName('head')[0].appendChild(script);
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impr...
Bash, no-arguments warning, and case decisions
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edited Oct 11 '13 at 22:13
answered Mar 11 '10 at 19:28
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Copying PostgreSQL database to another server
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edited Jul 31 '19 at 9:37
Pavan Kumar
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answered ...
How to disable margin-collapsing?
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edited Jan 23 at 17:08
community wiki
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What is the purpose of setting a key in data.table?
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edited May 23 '17 at 12:34
Community♦
111 silver badge
answered Nov 18 '13 at 20:39
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Is there a template engine for Node.js? [closed]
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edited Sep 9 '16 at 13:24
tzi
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answered Sep 8...
How to get a substring between two strings in PHP?
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