大约有 40,000 项符合查询结果（耗时：0.0411秒） [XML]
Preserving order with LINQ
...p a source element by index to a result element
AsEnumerable
Cast
Concat
Select
ToArray
ToList
Preserves Order. Elements are filtered or added, but not re-ordered.
Distinct
Except
Intersect
OfType
Prepend (new in .net 4.7.1)
Skip
SkipWhile
Take
TakeWhile
Where
Zip (new in .net 4)
Destroys O...
Find an element in DOM based on an attribute value
...ears the landscape has changed drastically. You can now reliably use querySelector and querySelectorAll, see Wojtek's answer for how to do this.
There's no need for a jQuery dependency now. If you're using jQuery, great...if you're not, you need not rely it on just for selecting elements by att...
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...
Simplest way to profile a PHP script
...connect_to_db();
prof_flag("Perform query");
// Get all the data
$select_query = "SELECT * FROM data_table";
$result = mysql_query($select_query);
prof_flag("Retrieve data");
$rows = array();
$found_data=false;
while($r = mysql_fetch_assoc($result))
{
$found_data=tru...
How do you list all triggers in a MySQL database?
...w triggers;
or you can access the INFORMATION_SCHEMA table directly by:
select trigger_schema, trigger_name, action_statement
from information_schema.triggers
You can do this from version 5.0.10 onwards.
More information about the TRIGGERS table is here.
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What are the dark corners of Vim your mom never told you about? [closed]
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viwy or viwc. Yank or change current word. Hit w multiple times to keep selecting each subsequent word, use b to move backwards
vi{ - select all text in figure brackets. va{ - select all text including {}s
vi(p - highlight everything inside the ()s and replace with the pasted text
b and e move...
Add custom icons to font awesome
...ons already, so the fab class is present on the elements (and the actually selected brand is added dinamycally to the css)
– Norbert Kardos
Jul 9 '18 at 6:29
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How do I remove a project configuration in Visual Studio 2008?
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In the Configuration Manager, select "Edit..." in the "Configuration" column for each project (not via the dropdown named Active solution configuration) that has configurations you want to remove.
In the dialog that pops up, mark each unwanted configurat...
Setting up a common nuget packages folder for all solutions when some projects are included in multi
...t-Click on your "NuGet" solution folder and then Add->Existing Item and select \Solutions\NuGet.Config.
The reason we are doing this is so that it is visible in the solution and should help with making sure it is properly committed to your source code control. You may want to do this step for ea...
Convert Dictionary to semicolon separated string in c#
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using System.Linq;
string s = string.Join(";", myDict.Select(x => x.Key + "=" + x.Value).ToArray());
(And if you're using .NET 4, or newer, then you can omit the final ToArray call.)
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