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What's the best way to share data between activities?
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edited Jan 31 at 3:01
jcall057
522 bronze badges
answered Feb 2 '11 at 18:21
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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?
...s is rather a common pitfall and the quirk is rarely described outside of w3 docos
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How do I remove a single file from the staging area (undo git add)?
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If I understand the question correctly, you simply want to "undo" the git add that was done for...
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)]
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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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Copying PostgreSQL database to another server
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edited Jul 31 '19 at 9:37
Pavan Kumar
2,5951818 silver badges3636 bronze badges
answered ...
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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How to disable margin-collapsing?
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edited Jan 23 at 17:08
community wiki
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