大约有 47,000 项符合查询结果（耗时：0.0347秒） [XML]
jQuery Determine if a matched class has a given id
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You can bake that logic into the selector by combining multiple selectors. For instance, we could target all elements with a given id, that also have a particular class:
$("#foo.bar"); // Matches <div id="foo" class="bar">
This should look similar t...
Deprecated: mysql_connect()
... with @:
<?php
$connect = @mysql_connect('localhost','root','');
mysql_select_db('dbname');
?>
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How to download source in ZIP format from GitHub?
... under the Code tab:
If you don't see the button:
Make sure you've selected <> Code tab from right side navigation menu, or
Repo may not have a zip prepared. Add /archive/master.zip to the end of the repository URL and to generate a zipfile of the master branch:
http://github.com/use...
How can you strip non-ASCII characters from a string? (in C#)
...= ' ')
{
var min = '\u0000';
var max = '\u007F';
return source.Select(c => c < min ? nil : c > max ? nil : c).ToText();
}
public static string ToText(this IEnumerable<char> source)
{
var buffer = new StringBuilder();
foreach (var c in source)
buffer.Append...
What is the difference between synchronous and asynchronous programming (in node.js)
...xamples:
// Example 1 - Synchronous (blocks)
var result = database.query("SELECT * FROM hugetable");
console.log("Query finished");
console.log("Next line");
// Example 2 - Asynchronous (doesn't block)
database.query("SELECT * FROM hugetable", function(result) {
console.log("Query finished")...
How can I clear the SQL Server query cache?
...et DBID from one database name first
DECLARE @intDBID INT;
SET @intDBID = (SELECT [dbid]
FROM master.dbo.sysdatabases
WHERE name = N'AdventureWorks2014');
DBCC FLUSHPROCINDB (@intDBID);
7. Clear plan cache for the current database
USE AdventureWorks2014;
GO
-- New...
How can I get every nth item from a List?
...
}
and you write in a LINQish way
from var element in MyList.GetNth(10) select element;
2nd Edit:
To make it even more LINQish
from var i in Range(0, ((myList.Length-1)/n)+1) select list[n*i];
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Warning - Build path specifies execution environment J2SE-1.4
... "JRE System Library[J2SE 1.4]"
Click Add Library -> JRE System Library
Select the new "Execution Environment" or Workspace default JRE
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Visual Studio, debug one of multiple threads
...ow (Debug -> Windows -> Threads) right-click the thread you want and select "switch to thread".
You can also choose "freeze" on the threads you don't want to debug in order to keep them from running. Don't forget to "thaw" them if you expect them to do work, however.
Further reading.
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mingw-w64 threads: posix vs win32
...API) which GCC can then link in to enable all the fancy features." So if i select the win32 model, GCC can still enable all the features, because it makes use of winpthreads? But in the bullet below, you write "win32: No C++11 multithreading features". I don't understand. Does "which GCC can then li...