大约有 46,000 项符合查询结果（耗时：0.0605秒） [XML]
jQuery UI dialog positioning
I am trying to use the jQuery dialog UI library in order to position a dialog next to some text when it is hovered over. The jQuery dialog takes a position parameter which is measured from the top left corner of the current viewport (in other words, [0, 0] will always put it in the upper left h...
Calculate text width with JavaScript
...ke to use JavaScript to calculate the width of a string. Is this possible without having to use a monospace typeface?
24 An...
MySQL - force not to use cache for testing speed of query
...eed of some queries in MySQL. The database is caching these queries making it difficult for me to get reliable results when testing how fast these queries are.
...
RegEx: Grabbing values between quotation marks
...
I've been using the following with great success:
(["'])(?:(?=(\\?))\2.)*?\1
It supports nested quotes as well.
For those who want a deeper explanation of how this works, here's an explanation from user ephemient:
([""']) match a quote; ((?=(\\?))\...
How to get distinct values for non-key column fields in Laravel?
This might be quite easy but have no idea how to.
12 Answers
12
...
Why can't enum's constructor access static fields?
...m's constructor access static fields and methods? This is perfectly valid with a class, but is not allowed with an enum.
5 ...
Understanding $.proxy() in jQuery
...
What it ultimately does is it ensures that the value of this in a function will be the value you desire.
A common example is in a setTimeout that takes place inside a click handler.
Take this:
$('#myElement').click(function() {...
Wrap text in tag
...t to wrap some text that is added to a <td> element.
I have tried with style="word-wrap: break-word;" width="15%" .
But it is not wrapping the text. Is it mandatory to give it 100% width?
I have other controls to display so only 15% width is available.
...
Thread pooling in C++11
...
This is copied from my answer to another very similar post, hope it can help:
1) Start with maximum number of threads a system can support:
int Num_Threads = thread::hardware_concurrency();
2) For an efficient threadpool implementation, once threads are created according to Num_Thread...
Merging two arrays in .NET
...
If you can manipulate one of the arrays, you can resize it before performing the copy:
T[] array1 = getOneArray();
T[] array2 = getAnotherArray();
int array1OriginalLength = array1.Length;
Array.Resize<T>(ref array1, array1OriginalLength + array2.Length);
Array.Copy(array2,...