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Didn't Java once have a Pair class? [duplicate]
...it when need to store pairs (like size and object collection).
This piece from my production code:
public Map<L1Risk, Map.Entry<int[], Map<L2Risk, Map.Entry<int[], Map<L3Risk, List<Event>>>>>>
getEventTable(RiskClassifier classifier) {
Map<L1Risk,...
Best way to alphanumeric check in JavaScript
...ng and $ means end of string, and [0-9a-z]+ means one or more of character from 0 to 9 OR from a to z.
More information on Javascript regexen here:
https://developer.mozilla.org/en/JavaScript/Guide/Regular_Expressions
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HTML text-overflow ellipsis detection
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For those using (or planning to use) the accepted answer from Christian Varga, please be aware of the performance issues.
Cloning/manipulating the DOM in such a way causes DOM Reflow (see an explanation on DOM reflow here) which is extremely resource intensive.
Using Christian Va...
Which websocket library to use with Node.js? [closed]
...roxy like nginx, you can route the WebSocket protocol urls to another port from the normal HTTP protocols.
– Prahlad Yeri
Dec 5 '15 at 22:54
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What is the Swift equivalent of -[NSObject description]?
... Printable does work in the playground, but iff the class descends from NSObject
– dar512
Feb 24 '15 at 17:21
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Performance of FOR vs FOREACH in PHP
...luate at parse time whether anything modifies the array. This prevents it from evaluating the count once.
But even once you fix it with "$c=count($x); for ($i=0; $i<$c; $i++) the $i<$c is a bunch of Zend opcodes at best, as is the $i++. In the course of 100000 iterations, this can matter. F...
Android Bitmap to Base64 String
...yte[] byteArray = byteArrayOutputStream .toByteArray();
to encode base64 from byte array use following method
String encoded = Base64.encodeToString(byteArray, Base64.DEFAULT);
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Is there a point to minifying PHP?
...ile code and identify bottlenecks using tools like xdebug and xhprof, also from Facebook.
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Convert NSURL to local file path
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Use the -[NSURL path] method:
NSLog(@"%@", myUrl.path);
From the documentation:
The path of the URL, unescaped with the stringByReplacingPercentEscapesUsingEncoding: method. If the receiver does not conform to RFC 1808, returns nil.
If this URL object contains a file URL ...
How does Apple find dates, times and addresses in emails?
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Ah, so THIS is where all the hits on my website came from :) FWIW, I was the project lead on Apple Data Detectors back in the days of ATG; what I can add here is that this was an OS 8 and 9 technology only -- it never made the jump to OS X. There are obviously some similar thi...