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How do I get the width and height of a HTML5 canvas?
... Note that the Mozilla tutorial is basically a bunch of broken links now, unfortunately. Hope they'll fix it some day.
– Sz.
Jun 18 '13 at 12:05
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What platforms have something other than 8-bit char?
Every now and then, someone on SO points out that char (aka 'byte') isn't necessarily 8 bits .
12 Answers
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Alternative to itoa() for converting integer to string C++? [duplicate]
...avoid risking buffer overruns.
The safer way (i.e., the C++ way), if you know this part of the code is not critical, so better be sure this part of the code won't break at random moments because someone mistook a size or a pointer (which happens in real life, like... yesterday, on my computer, beca...
jQuery get input value after keypress
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Works, but with jquery 2.x out this is out of date now as the answer below using the on and input is the best way to do it now.
– Piotr Kula
Jul 16 '14 at 16:14
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How to cherry pick a range of commits and merge into another branch?
...the comments:
This assumes that B is not a root commit; you'll get an "unknown revision" error otherwise.
Note: as of Git 2.9.x/2.10 (Q3 2016), you can cherry-pick a range of commit directly on an orphan branch (empty head): see "How to make existing branch an orphan in git".
Original answer (Jan...
How to show the “Are you sure you want to navigate away from this page?” when changes committed?
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Update (2017)
Modern browsers now consider displaying a custom message to be a security hazard and it has therefore been removed from all of them. Browsers now only display generic messages. Since we no longer have to worry about setting the message, it i...
Unable to open project… cannot be opened because the project file cannot be parsed
...jectname.xcodeproj file here projectname will be the name of your project. Now after right clicked select Show Packages Contents. After that open your projectname.pbxproj file in a text editor. Now search for the line containing <<<<<<< .mine, ======= and >>>>>>...
How can I get a web site's favicon?
...s/files from the same place. Getting the default icons from my system for known file types isn't terribly complicated, but I don't know how to get the favicon from a website. (SO has the grey->orange stack icon in the address bar for instance)
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Is optimisation level -O3 dangerous in g++?
...e, I am running production software in the financial sector for many years now with -O3 and have not yet encountered a bug that would not have been there if I would have used -O2.
By popular demand, here an addition:
-O3 and especially additional flags like -funroll-loops (not enabled by -O3) can ...
How do I check that a number is float or integer?
...viding by 1:
function isInt(n) {
return n % 1 === 0;
}
If you don't know that the argument is a number you need two tests:
function isInt(n){
return Number(n) === n && n % 1 === 0;
}
function isFloat(n){
return Number(n) === n && n % 1 !== 0;
}
Update 2019
5 years a...