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Why are arrays covariant but generics are invariant?
...unforgivable imo... among the very worst mistakes ever made in Java is use-site variance aka wildcards.
– Scott
Sep 6 '15 at 21:09
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A regular expression to exclude a word/string
...noreme3)
You can add as much ignored words as you like, here is a simple PHP implementation:
$ignoredWords = array('ignoreme', 'ignoreme2', 'ignoreme...');
preg_match('~^/\b([a-z0-9]+)\b(?<!' . implode('|', array_map('preg_quote', $ignoredWords)) . ')~i', $string);
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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...tions are not aligned" But I just noticed that they probably mean just the opposite by the following "Enabled at levels -O2, -O3." So I guess my previous commment is false, not meaningless. I will check your flags, thanks. :-)
– xamid
2 days ago
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What is the method for converting radians to degrees?
...rads -> x*pi/180
I guess if you wanted to make a function for this [in PHP]:
function convert($type, $num) {
if ($type == "rads") {
$result = $num*180/pi();
}
if ($type == "degs") {
$result = $num*pi()/180;
}
return $result;
}
Yes, that coul...
Bootstrap 3 breakpoints and media queries
... mobile optimization.
To see this in action, go to this example on their site (http://getbootstrap.com/examples/navbar-fixed-top/), and resize your window to see how it treats the design after 768px.
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How to screenshot website in JavaScript client-side / how Google did it? (no need to access HDD) [du
...o get the outer HTML and pass it to GrabzIt's API.
– PHP Rocks
May 11 '18 at 10:34
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Detect iPad Mini in HTML5
... You do not think the device blaring out sound when you visit the website is kind of a bad idea? Not to mention people might have their device on silent. No sound would stop this.
– flexd
Nov 14 '12 at 11:36
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Easiest way to upgrade eclipse 3.7 to 4.2 (Juno)
...y/past the plugins into its own repo since it doesnt know about the update sites. However, even on doing this there are cryptic dependency issue messages which i dont know how to resolve. I will have to mark Gilbert's answer as the correct one. There really is no good way to update eclipse.
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throw new std::exception vs throw std::exception
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Throwing new std::exception is correct if the call site is expecting to catch a std::exception*. But nobody will be expecting to catch a pointer to an exception. Even if you document that's what your function does and people read the documentation, they're still liable to for...
How do servlets work? Instantiation, sessions, shared variables and multithreading
...guages which maintains the session by a cookie are sensitive as well, like PHP with PHPSESSID cookie, ASP.NET with ASP.NET_SessionID cookie, etcetera. That's also why URL rewriting with ;jsessionid=xxx as some JSP/Servlet MVC frameworks automatically do is frowned upon. Just make sure that session I...