大约有 40,000 项符合查询结果（耗时：0.0250秒） [XML]
What is the most “pythonic” way to iterate over a list in chunks?
... edited Aug 31 at 15:07
Seanny123
5,70277 gold badges4949 silver badges100100 bronze badges
answered Jan 12 '09 at 3:10
...
How do I show the value of a #define at compile-time?
...tring should be treated as if it were quoted. If it did then:
#define ABC 123
int n = ABC;
would not compile.
Now consider:
#define ABC abc
#pragma message "The value of ABC is: " ABC
which is equivalent to
#pragma message "The value of ABC is: " abc
This causes a preprocessor warning beca...
How to create ASP.NET Web API Url?
...ublic IEnumerable<string> Get()
{
// returns /api/values/123
string url = Url.Route("DefaultApi", new { controller = "values", id = "123" });
return new string[] { "value1", "value2" };
}
// GET /api/values/5
public string Get(int id)
{
retu...
What does ~~ (“double tilde”) do in Javascript?
...umbers.
Math.trunc(13.37) // 13
Math.trunc(42.84) // 42
Math.trunc(0.123) // 0
Math.trunc(-0.123) // -0
Math.trunc("-1.123")// -1
Math.trunc(NaN) // NaN
Math.trunc("foo") // NaN
Math.trunc() // NaN
The polyfill:
function trunc(x) {
return x < 0 ? Math.ceil(x) : Math....
Query-string encoding of a Javascript Object
...");
}
console.log(serialize({
foo: "hi there",
bar: {
blah: 123,
quux: [1, 2, 3]
}
}));
// foo=hi%20there&bar%5Bblah%5D=123&bar%5Bquux%5D%5B0%5D=1&bar%5Bquux%5D%5B1%5D=2&bar%5Bquux%5D%5B2%5D=3
...
Get Character value from KeyCode in JavaScript… then trim
...// [119]
"F9", // [120]
"F10", // [121]
"F11", // [122]
"F12", // [123]
"F13", // [124]
"F14", // [125]
"F15", // [126]
"F16", // [127]
"F17", // [128]
"F18", // [129]
"F19", // [130]
"F20", // [131]
"F21", // [132]
"F22", // [133]
"F23", // [134]
"F24", // [135]
""...
How do I initialize the base (super) class?
...):
pass
class Y(X):
def __init__(self):
super(Y, self).__init__(123)
def doit(self, foo):
return super(Y, self).doit(foo)
Because python knows about old- and new-style classes, there are different ways to invoke a base method, which is why you've found multiple ways of doing so.
...
Sprintf equivalent in Java
... that are perfect as instance methods, take String.Length()
int length = "123".Length();
In this situation, it's obvious we are not trying to modify "123", we are just inspecting it, and returning its length. This is a perfect candidate for an instance method.
My simple rules for Instance Method...
Drawing a line/path on Google Maps
...nswered Oct 20 '10 at 5:08
richa123richa123
21122 silver badges22 bronze badges
...
Regex, every non-alphanumeric character except white space or colon
...
Try this:
[^a-zA-Z0-9 :]
JavaScript example:
"!@#$%* ABC def:123".replace(/[^a-zA-Z0-9 :]/g, ".")
See a online example:
http://jsfiddle.net/vhMy8/
share
|
improve this answer
...