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What browsers support HTML5 WebSocket API?
...14.0 + 15.0
Firefox 7.0 + 8.0 + 9.0 + 10.0 - prefixed: MozWebSocket
IE 10 (from Windows 8 developer preview)
HyBi-17/RFC 6455
Chrome 16
Firefox 11
Opera 12.10 / Opera Mobile 12.1
Any browser with Flash can support WebSocket using the web-socket-js shim/polyfill.
See caniuse for the current st...
Do sealed classes really offer performance Benefits?
... on the topic.
Note that any kind of performance benefit you would obtain from this level of optimization should be regarded as last-resort, always optimize on the algorithmic level before you optimize on the code-level.
Here's one link mentioning this: Rambling on the sealed keyword
...
Set up git to pull and push all branches
...d to use second last (i.e. push master first) command while cloning a repo from Atlassian Stash to AWS CodeCommit (blank repo). I am not sure the reason, but after pushing (git push new-origin --mirror) default branch was referring to some other branch than master.
...
How to convert a byte array to a hex string in Java?
...
From the discussion here, and especially this answer, this is the function I currently use:
private static final char[] HEX_ARRAY = "0123456789ABCDEF".toCharArray();
public static String bytesToHex(byte[] bytes) {
char[] ...
What's the best way to retry an AJAX request on failure using jQuery?
...'t get called on the retry. Here's my solution, which is heavily borrowed from @cjpak's answer here. In my case I want to retry when AWS's API Gateway responds with 502 error.
const RETRY_WAIT = [10 * 1000, 5 * 1000, 2 * 1000];
// This is what tells JQuery to retry $.ajax requests
// Ideas for...
When should I use jQuery's document.ready function?
...an img etc), you will not be able to access it because html is interpreted from top to bottom and your html elements are not present when your jQuery code runs.
To overcome this problem, we place every jQuery/javascript code (which uses DOM) inside $(document).ready function which gets called when ...
How do you deploy your ASP.NET applications to live servers?
...ler projects; we have something more like CI:
"live" build-server builds from the approved source (not the "HEAD" of the repo)
(after it has taken a backup ;-p)
robocopy publishes to a staging server ("live", but not in the F5 cluster)
final validation done on the staging server, often with "hosts...
What is a tracking branch?
...s a very good explanation:
Tracking Branches
Checking out a local branch from a remote branch automatically creates what is called a tracking branch. Tracking branches are local branches that have a direct relationship to a remote branch. If you’re on a tracking branch and type git push, Git aut...
How do I read the contents of a Node.js stream into a string variable?
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(This answer is from years ago, when it was the best answer. There is now a better answer below this. I haven't kept up with node.js, and I cannot delete this answer because it is marked "correct on this question". If you are thinking of dow...
How to identify if a webpage is being loaded inside an iframe or directly into the browser window?
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Having a page with an iframe within an iframe, to test from my child iframe if my parent iframe was embeded in the page, I used if (parent === top)
– sglessard
Mar 27 '12 at 14:31
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