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Creating a expressjs middleware that accepts parameters
...second definition of the function. What is happening there? I don't understand the following line return HasRole[role] || (HasRole[role] = function(req, res, next) {
– Rafay Hassan
Feb 12 '19 at 8:25
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Loop code for each file in a directory [duplicate]
I have a directory of pictures that I want to loop through and do some file calculations on. It might just be lack of sleep, but how would I use PHP to look in a given directory, and loop through each file using some sort of for loop?
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Get URL query string parameters
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The PHP way to do it is using the function parse_url, which parses a URL and return its components. Including the query string.
Example:
$url = 'www.mysite.com/category/subcategory?myqueryhash';
echo parse_url($url, PHP_URL_QUERY); # output "myqueryhash"
Full documentation here
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“Add as Link” for folders in Visual Studio projects
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+1. You could also use <Content ...>, and add <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory> to make Visual Studio copy the resources on build.
– Markus Jarderot
May 18 '12 at 18:12
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How do I turn off “Automatically Switch to Debug Perspective” mode in eclipse?
Is there a way to turn off this mode? I must have clicked it by accident, and now it's getting really annoying.
4 Answer...
Java - No enclosing instance of type Foo is accessible
...on the fly :P
}
The last solution (a non-static nested class) would be mandatory if any instance of Thing depended on an instance of Hello to be meaningful. For example, if we had:
public class Hello {
public int enormous;
public Hello(int n) {
enormous = n;
}
public cl...
What is the purpose of the “final” keyword in C++11 for functions?
...hat is the purpose of the final keyword in C++11 for functions? I understand it prevents function overriding by derived classes, but if this is the case, then isn't it enough to declare as non-virtual your final functions? Is there another thing I'm missing here?
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Access to Modified Closure (2)
...need to re-declare a variable inside the foreach - otherwise it is shared, and all your handlers will use the last string:
foreach (string list in lists)
{
string tmp = list;
Button btn = new Button();
btn.Click += new EventHandler(delegate { MessageBox.Show(tmp); });
}
Significantly,...
How to send FormData objects with Ajax-requests in jQuery? [duplicate]
The XMLHttpRequest Level 2 standard (still a working draft) defines the FormData interface. This interface enables appending File objects to XHR-requests (Ajax-requests).
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HTML - how can I show tooltip ONLY when ellipsis is activated
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Here's a way that does it using the built-in ellipsis setting, and adds the title attribute on-demand (with jQuery) building on Martin Smith's comment:
$('.mightOverflow').bind('mouseenter', function(){
var $this = $(this);
if(this.offsetWidth < this.scrollWidth && !...