大约有 12,000 项符合查询结果（耗时：0.0311秒） [XML]
Is there a MySQL command to convert a string to lowercase?
...
SELECT LOWER(foo) AS foo FROM bar
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Access to Modified Closure (2)
...onymous handler, the trick is to capture the handler itself:
EventHandler foo = delegate {...code...};
obj.SomeEvent += foo;
...
obj.SomeEvent -= foo;
Likewise, if you want a once-only event-handler (such as Load etc):
EventHandler bar = null; // necessary for "definite assignment"
bar = delegat...
Using PHP with Socket.io
...lient::TYPE_EVENT,
null,
null,
json_encode(array('name' => 'foo', 'args' => 'bar'))
);
$elephant->close();
echo 'tryin to send `bar` to the event `foo`';
socket io server
var io = require('socket.io').listen(8000);
io.sockets.on('connection', function (socket) {
console.l...
How to write an async method with out parameter?
...urn result utilizes the method signature defined property names. e.g:
var foo = await TryLogin(request);
if (foo.IsSuccess)
return foo.Result;
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C# - Selectively suppress custom Obsolete warnings
...le:
using System;
class Test
{
[Obsolete("Message")]
static void Foo(string x)
{
}
static void Main(string[] args)
{
#pragma warning disable 0618
// This one is okay
Foo("Good");
#pragma warning restore 0618
// This call is bad
Foo("Bad");
...
When should you not use virtual destructors?
...lized somewhere.
struct A {
// virtual ~A ();
int i;
int j;
};
void foo () {
A a = { 0, 1 }; // Will fail if virtual dtor declared
}
In an extreme case, such a change can also cause undefined behaviour where the class is being used in a way that requires a POD, e.g. passing it via an el...
Compare if two variables reference the same object in python
...check which unique object each variable name refers to.
In [1]: x1, x2 = 'foo', 'foo'
In [2]: x1 == x2
Out[2]: True
In [3]: id(x1), id(x2)
Out[3]: (4509849040, 4509849040)
In [4]: x2 = 'foobar'[0:3]
In [5]: x2
Out[5]: 'foo'
In [6]: x1 == x2
Out[6]: True
In [7]: x1 is x2
Out[7]: False
In [8]:...
Add .gitignore to gitignore
...temp/.git/
mhaase@ubuntu:~$ cd temp
mhaase@ubuntu:~/temp$ touch .gitignore foo bar baz bat
mhaase@ubuntu:~/temp$ git status
# On branch master
#
# Initial commit
#
# Untracked files:
# (use "git add <file>..." to include in what will be committed)
#
# .gitignore
# bar
# bat...
Custom attributes - Yea or nay?
...gt;
<!-- {
someRandomData: {a:1,b:2},
someString: "Foo"
} -->
<div>... other regular content...</div>
</div>
The comment-object ties to the parent element (i.e. #someelement).
Here's the parser: http://pastie.org/511358
To get the data for an...
Convert form data to JavaScript object with jQuery
...
@TobiasCohen It doesn't handle foo[bar]-type inputs as expected, not to mention most of the other input name varieties. After being very frustrated with shallow solutions to this problem, I ended up writing my own jQuery plugin -- details in the answer I ...