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How to make child process die after parent exits?
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edited Nov 13 '08 at 18:25
answered Nov 12 '08 at 16:12
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Understanding how recursive functions work
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107
I think the confusion is stemming from thinking of it as "the same function" being called many ...
Return 0 if field is null in MySQL
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Use IFNULL:
IFNULL(expr1, 0)
From the documentation:
If expr1 is not NULL, IFNULL() returns expr1; otherwise it returns expr2. IFNULL() returns a numeric or string value, depending on the context in which it is used.
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How to count duplicate value in an array in javascript
...];
array_elements.sort();
var current = null;
var cnt = 0;
for (var i = 0; i < array_elements.length; i++) {
if (array_elements[i] != current) {
if (cnt > 0) {
document.write(current + ' comes --> ' + cnt + ' times<br>');
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Custom Python list sorting
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60
It's documented here.
The sort() method takes optional arguments for controlling the
comp...
How to add a new audio (not mixing) into a video using ffmpeg?
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308
Replace audio
ffmpeg -i video.mp4 -i audio.wav -map 0:v -map 1:a -c:v copy -shortest output.mp...
How do I convert an integer to binary in JavaScript?
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function dec2bin(dec){
return (dec >>> 0).toString(2);
}
dec2bin(1); // 1
dec2bin(-1); // 11111111111111111111111111111111
dec2bin(256); // 100000000
dec2bin(-256); // 11111111111111111111111100000000
You can use Number.toString(2) function, but it has ...
Does Java support default parameter values?
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answered Jun 15 '09 at 18:14
Kathy Van StoneKathy Van Stone
22.3k22 gold badges2929 silver badges3939 bronze badges
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Mercurial move changes to a new branch
...e extension. Suppose you have a history like this:
@ changeset: 2:81b92083cb1d
| tag: tip
| summary: my new feature: edit file a
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o changeset: 1:8bdc4508ac7b
| summary: my new feature: add file b
|
o changeset: 0:d554afd54164
summary: initial
This means, revisi...
Why does the C# compiler go mad on this nested LINQ query?
...machine) and very long time to compile (actually I get IO exception after 10 minutes).
1 Answer
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