大约有 42,000 项符合查询结果(耗时:0.0412秒) [XML]
SQL - many-to-many table primary key
...er. The surrogate is a waste of space.
You won't need indexes on the individual columns since the table should only ever be used to join the two referenced tables together.
That comment you refer to in the question is not worth the electrons it uses, in my opinion. It sounds like the author thinks...
Why is using the rails default_scope often recommend against?
...the internet people mention that using the rails default_scope is a bad idea, and the top hits for default_scope on stackoverflow are about how to overwrite it. This feels messed up, and merits an explicit question (I think).
...
How to make Eclipse behave well in the Windows 7 taskbar?
...jects when I right click it.
It also doesn't allow to pin some projects inside it.
Note that I have the JS version of Eclipse Helios. Which spawns a new and different taskbar icon after loading.
...
RESTful URL design for search
...rs=4
An advantage to regular querystrings is that they are standard and widely understood and that they can be generated from form-get.
share
|
improve this answer
|
follow...
Clearing using jQuery
.... Also works on other types of form elements, with the exception of type="hidden".
window.reset = function(e) {
e.wrap('<form>').closest('form').get(0).reset();
e.unwrap();
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<for...
New line in text area
...
@LittleAlien jsfiddle.net/v0y3xvpx/1 - answer based on the OP question, obviously problem was solved
– Bakudan
Sep 26 '16 at 9:33
...
How can one use multi threading in PHP applications
...m the PHP documentation:
pthreads is an object-orientated API that provides all of the tools needed for multi-threading in PHP. PHP applications can create, read, write, execute and synchronize with Threads, Workers and Threaded objects.
Warning:
The pthreads extension cannot be used in a...
Reference list item by index within Django template?
...ave an array in which I'm not sure of the index of my desired value {% for id in article_details.heading.contents.article_ids %} {% if id.type == 'DOI' %} {{ article_details.heading.contents.article_ids.forloop.counter0.value }} {% endif %} {% endfor %}
–...
Capture key press (or keydown) event on DIV element
...
(1) Set the tabindex attribute:
<div id="mydiv" tabindex="0" />
(2) Bind to keydown:
$('#mydiv').on('keydown', function(event) {
//console.log(event.keyCode);
switch(event.keyCode){
//....your actions for the keys .....
}
});
To set ...
Using querySelectorAll to retrieve direct children
...emented way to do "combinator rooted queries" (as John Resig called them) did not exist.
Now the :scope pseudo-class has been introduced. It is not supported on [pre-Chrominum] versions of Edge or IE, but has been supported by Safari for a few years already. Using that, your code could become:
let...