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Hide options in a select list using jQuery
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By weary when hiding <options /> as often this wont update the selected value. You'll need to select a new option after its hidden. If you're working in optgroup gets tricky traversing the DOM.
– S...
When should I use Inline vs. External Javascript?
...(Why performance? Because if the code is separate, it can easier be cached by browsers.)
JavaScript doesn't belong in the HTML code and if it contains special characters (such as <, >) it even creates problems.
Nowadays, web scalability has changed. Reducing the number of requests has become...
Sticky sidebar: stick to bottom when scrolling down, top when scrolling up
...I know it's an old question, but I casually found the same question posted by you in forum.jquery.com and one answer there (by@tucker973), suggested one nice library to make this and wanted to share it here.
It's called sticky-kit by @leafo
github proyect
webpage
simple example in jsFiddle (same ...
How to handle AccessViolationException
... am calling throws a System.AccessViolationException, which is intercepted by Visual Studio. The odd thing is that I have wrapped my call in a try catch, which has handlers for AccessViolationException, COMException and everything else, but when Visual Studio (2010) intercepts the AccessViolationEx...
What is the best way to prevent session hijacking?
...mited time physical access to a filesystem. Imagine a laptop left unlocked by a colleague rushing to the toilet, now all I need to do is to go to that laptop, install EditThisCookie plugin, grab his cookies at plus.google.com using EditThisCookie export feature and now I have his account. Time taken...
Node.js on multi-core machines
...nx out-of-the-box is configured with all sorts of sane throttles. Node.js by default will continue accepting new connections in preference to serving existing ones until the box goes down... yes, the entire box; I crashed the kernel on a CentOS5 box by stress-testing Node (now THAT really isn't sup...
How to add “on delete cascade” constraints?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use
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You've another instance of Tomcat already running. You can confirm this by going to http://localhost:8080 in your webbrowser and check if you get the Tomcat default home page or a Tomcat-specific 404 error page. Both are equally valid evidence that Tomcat runs fine; if it didn't, then you would h...
How do I center align horizontal menu?
...b/centred-float.htm:
The premise is simple and basically just involves a widthless float wrapper that is floated to the left and then shifted off screen to the left width position:relative; left:-50%. Next the nested inner element is reversed and a relative position of +50% is applied. This has the...
What is the proper REST response code for a valid request but an empty data?
... incorrectly ordered segments, etc). This will almost certainly be handled by whatever framework you're using. You shouldn't have to deal with this unless you're writing your own server from scratch. Edit: Newer RFCs now allow for 400 to be used for semantically invalid requests.
Wikipedia's descr...