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Swift - class method which must be overridden by subclass
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As of Swift 2.0 there are now protocol extensions too :) Apple Reference.
– Ephemera
Sep 13 '15 at 9:25
4
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Passing Objects By Reference or Value in C#
...value, as the initial value of the parameter of the method you're calling. Now the important point is that the value is a reference for reference types - a way of getting to an object (or null). Changes to that object will be visible from the caller. However, changing the value of the parameter to r...
Latest jQuery version on Google's CDN
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UPDATE 7/3/2014: As of now, jquery-latest.js is no longer being updated.
From the jQuery blog:
We know that http://code.jquery.com/jquery-latest.js is abused
because of the CDN statistics
showing it’s the most popular file. That wouldn...
How to detect if multiple keys are pressed at once using JavaScript?
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Note: keyCode is now deprecated.
Multiple keystroke detection is easy if you understand the concept
The way I do it is like this:
var map = {}; // You could also use an array
onkeydown = onkeyup = function(e){
e = e || event; // to deal w...
How can I create download link in HTML?
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This answer is outdated. We now have the download attribute. (see also this link to MDN)
If by "the download link" you mean a link to a file to download, use
<a href="http://example.com/files/myfile.pdf" target="_blank">Download</a>
t...
Is there any way to specify a suggested filename when using data: URI?
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It does now but it wasn't always so easy. Many of these answers are from years ago. And they also work for other browsers.
– Holf
Oct 26 '13 at 10:09
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What are 'closures' in .NET?
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Thanks Jon. BTW, is there something that you don't know in .NET? :) Who do you go to when you have questions?
– Developer
Jan 9 '09 at 16:12
44
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How to install PyQt4 on Windows using pip?
... "AMD64". To make it short: AMD's version was better and Intel adopted it, now calling it Intel64 for their CPUs - both are pretty much compatible (very minor differences). So pretty much every 64bit x86-64 CPU out there (except Itaniums) uses AMD64.
– user136036
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...mplemented the OpenCV square-detection example in my test application, but now need to filter the output, because it's quite messy - or is my code wrong?
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Remove insignificant trailing zeros from a number?
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@w00t Oh, sorry, I understand now. I was the way I tested when I made mine (see link above). Yours doesn't fail when you use toFixed, because the number is guaranteed to have a dot, but it was failing in my tests because I wanted the regex to work for any...