大约有 47,000 项符合查询结果（耗时：0.0517秒） [XML]
How to get year/month/day from a date object?
alert(dateObj) gives Wed Dec 30 2009 00:00:00 GMT+0800
16 Answers
16
...
How to create json by JavaScript for loop?
...ID"); // this works too
var status = document.getElementsByName("status")[0];
var jsonArr = [];
for (var i = 0; i < status.options.length; i++) {
jsonArr.push({
id: status.options[i].text,
optionValue: status.options[i].value
});
}
</script>
...
How to fix bower ECMDERR
...
leohleoh
9,09866 gold badges2424 silver badges3737 bronze badges
...
Algorithm to return all combinations of k elements from n
...me across is of course memory and pretty quickly, you'll have problems by 20 elements in your set -- 20C3 = 1140. And if you want to iterate over the set it's best to use a modified gray code algorithm so you aren't holding all of them in memory. These generate the next combination from the previous...
Return first match of Ruby regex
...Name[/regular expression/]. This is an example output from irb:
irb(main):003:0> names = "erik kalle johan anders erik kalle johan anders"
=> "erik kalle johan anders erik kalle johan anders"
irb(main):004:0> names[/kalle/]
=> "kalle"
...
Overload constructor for Scala's Case Classes?
...
190
Overloading constructors isn't special for case classes:
case class Foo(bar: Int, baz: Int) {
...
How to get the unix timestamp in C#
...estamp in C# by using DateTime.UtcNow and subtracting the epoch time of 1970-01-01.
e.g.
Int32 unixTimestamp = (Int32)(DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds;
DateTime.UtcNow can be replaced with any DateTime object that you would like to get the unix timestamp for.
Th...
What does `void 0` mean? [duplicate]
...
1024
What does void 0 mean?
void[MDN] is a prefix keyword that takes one argument and always retur...
How to deep copy a list?
...
E0_copy is not a deep copy. You don't make a deep copy using list() (Both list(...) and testList[:] are shallow copies).
You use copy.deepcopy(...) for deep copying a list.
deepcopy(x, memo=None, _nil=[])
Deep copy opera...
Swift equivalent for MIN and MAX macros
... JackJack
15.9k88 gold badges4444 silver badges5050 bronze badges
2
...