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CSS '>' selector; what is it? [duplicate]
...
> selects immediate children
For example, if you have nested divs like such:
<div class='outer'>
<div class="middle">
<div class="inner">...</div>
</div>
<div class="middle">
<div class="inner">.....
Disable Required validation attribute under certain circumstances
I was wondering if it is possible to disable the Required validation attribute in certain controller actions. I am wondering this because on one of my edit forms I do not require the user to enter values for fields that they have already specified previously. However I then implement logic that when...
Passing multiple values to a single PowerShell script parameter
...d of
foreach ($i in $args)
you can use
foreach ($hostName in $Hosts)
If there is only one host, the foreach loop will iterate only once. To pass multiple hosts to the script, pass it as an array:
myScript.ps1 -Hosts host1,host2,host3 -VLAN 2
...or something similar.
...
Remove all child elements of a DOM node in JavaScript
...s is updated to use lastChild as in computer-science, in general, it's significantly faster to remove the last element of a collection than it is to remove the first element (depending on how the collection is implemented).
The loop continues to check for firstChild just in case it's faster to check...
Check whether a request is GET or POST [duplicate]
...
Better use $_SERVER['REQUEST_METHOD']:
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
// …
}
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jQuery - select the associated label element of a input field [duplicate]
...the following:
var label = $('label[for="' + $(this).attr('id') + '"]');
if(label.length <= 0) {
var parentElem = $(this).parent(),
parentTagName = parentElem.get(0).tagName.toLowerCase();
if(parentTagName == "label") {
label = parentElem;
}
}
I hope this helps!
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How do I check if a given Python string is a substring of another one? [duplicate]
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What if I was looking for the position of the third or fourth occurrence of 'e', or the likes thereof?
– Musixauce3000
Apr 14 '16 at 22:37
...
How to get current PHP page name [duplicate]
...file called demo.php where I don't have any GET variables in the URL, so if I want to hide a button if am on this page I can't use something like this:
...
AngularJS app.run() documentation?
...ling order:
app.config()
app.run()
directive's compile functions (if they are found in the dom)
app.controller()
directive's link functions (again, if found)
Here's a simple demo where you can watch each one executing (and experiment if you'd like).
From Angular's module docs:
Run bl...
JS文字卷动效果的调用函数：startmarquee - 更多技术 - 清泛网 - 专注C/C++及内核技术
...越大，滚动时间间隔越大，滚动速度越慢；
if(!p){ o.scrollTop += 1;}
//滚动停止或开始，取决于p传来的布尔值；
}
function scrolling(){
if(o.scrollTop%lh!=0){
//如果不被整除，即一次上移的高度达不到...