大约有 47,000 项符合查询结果（耗时：0.0720秒） [XML]
Why and How to avoid Event Handler memory leaks?
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answered Dec 24 '10 at 14:32
Jon SkeetJon Skeet
1211k772772 gold badges85588558 silver badges88218821 bronze badges
...
Java dynamic array sizes?
... one and copy the data from the old to the new:
int[] oldItems = new int[10];
for (int i = 0; i < 10; i++) {
oldItems[i] = i + 10;
}
int[] newItems = new int[20];
System.arraycopy(oldItems, 0, newItems, 0, 10);
oldItems = newItems;
If you find yourself in this situation, I'd highly recomme...
Does “\d” in regex mean a digit?
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[0-9] is not always equivalent to \d. In python3, [0-9] matches only 0123456789 characters, while \d matches [0-9] and other digit characters, for example Eastern Arabic numerals ٠١٢٣٤٥٦٧٨٩.
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What is uint_fast32_t and why should it be used instead of the regular int and uint32_t?
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answered Dec 14 '11 at 7:20
Yakov GalkaYakov Galka
55.5k1313 gold badges114114 silver badges176176 bronze badges
...
do N times (declarative syntax)
... here's a way to do call something() 1, 2 and 3 times respectively:
It's 2017, you may use ES6:
[1,2,3].forEach(i => Array(i).fill(i).forEach(_ => {
something()
}))
or in good old ES5:
[1,2,3].forEach(function(i) {
Array(i).fill(i).forEach(function() {
something()
})
}))
In bo...
How to make connection to Postgres via Node.js
... executed one after another once the connection becomes available
var x = 1000;
while (x > 0) {
client.query("INSERT INTO junk(name, a_number) values('Ted',12)");
client.query("INSERT INTO junk(name, a_number) values($1, $2)", ['John', x]);
x = x - 1;
}
var query = client.query("SEL...
Why would one use nested classes in C++?
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230
Nested classes are cool for hiding implementation details.
List:
class List
{
public:
...
How does this program work?
It displays a 0 !! How is that possible? What is the reasoning?
13 Answers
13
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How do I “undo” a --single-branch clone?
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+50
You can tell Git to pull all branches like this:
git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*"
git fetch origi...