大约有 45,000 项符合查询结果(耗时:0.0747秒) [XML]
Can I query MongoDB ObjectId by date?
... hex seconds since Unix epoch */
var hexSeconds = Math.floor(timestamp/1000).toString(16);
/* Create an ObjectId with that hex timestamp */
var constructedObjectId = ObjectId(hexSeconds + "0000000000000000");
return constructedObjectId
}
/* Find all documents created after midnig...
vim, switching between files rapidly using vanilla Vim (no plugins)
...cept a count.
The :ls command shows you a list of loaded buffers. It is a bit "special", though: buffers are assigned a number when they are created so you can have a list that looks like 1 2 5 if you delete buffers. This is a bit awkward, yes, and that makes switching to a buffer by its number a b...
How to make URL/Phone-clickable UILabel?
...thType:UIButtonTypeCustom];
[sampleButton setFrame:CGRectMake(kLeftMargin, 10, self.view.bounds.size.width - kLeftMargin - kRightMargin, 52)];
[sampleButton setTitle:@"URL Text" forState:UIControlStateNormal];
[sampleButton setFont:[UIFont boldSystemFontOfSize:20]];
[sampleButton addTarget:self ac...
How to check if a database exists in SQL Server?
...u guys.
CREATE FUNCTION dbo.DatabaseExists(@dbname nvarchar(128))
RETURNS bit
AS
BEGIN
declare @result bit = 0
SELECT @result = CAST(
CASE WHEN db_id(@dbname) is not null THEN 1
ELSE 0
END
AS BIT)
return @result
END
GO
Now you can use it like this:
sel...
How do I use PHP namespaces with autoload?
...in the global scope.
See below for a working example:
<?php
function __autoload($class)
{
$parts = explode('\\', $class);
require end($parts) . '.php';
}
use Person\Barnes\David as MyPerson;
$class = new MyPerson\Class1();
Edit (2009-12-14):
Just to clarify, my usage of "use ... a...
I want to get the type of a variable at runtime
...ted for, the class is. Int is Any, but Any is not Int. It works on Scala 2.10, and it should work on Scala 2.11, and I don't know why it isn't.
– Daniel C. Sobral
Jul 18 '16 at 23:39
...
Execute code when Django starts ONCE only?
...
mb21
25.4k55 gold badges8585 silver badges108108 bronze badges
answered Jul 22 '11 at 15:11
S.LottS.Lott
349k7373 gold b...
Unicode, UTF, ASCII, ANSI format differences
...hly tested, mind you.)
ASCII: Single byte encoding only using the bottom 7 bits. (Unicode code points 0-127.) No accents etc.
ANSI: There's no one fixed ANSI encoding - there are lots of them. Usually when people say "ANSI" they mean "the default locale/codepage for my system" which is obtained via ...
Can iterators be reset in Python?
...
answered Jul 16 '10 at 16:39
Alex MartelliAlex Martelli
724k148148 gold badges11261126 silver badges13241324 bronze badges
...
unit testing of private functions with mocha and node.js
...ion of rewire.
– Louis
Apr 5 '17 at 10:25
1
Just a small point, code coverage may fail to pick up...
