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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...
Is there a way to check if a file is in use?
...f professionals notice this is a bad thing, and join to downvote, then the site is WAI. And before you get negative, if you read that article, they say to "upvote the right answer" not downvote the wrong one. Do you want them to explain their upvotes in comments as well. Thanks for introducing me to...
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
...
Rails: How does the respond_to block work?
... makes it easy to export data as CSV (or any other format) from your rails site.
The js line will cause a javascript file /posts.js (or /posts.js.coffee) to be rendered/executed. I've found that to be a light-weight way to create an Ajax enabled site using jQuery UI pop-ups.
...
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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WPF Application that only has a tray icon
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@BradLarson, the site seems to be down; but anyway the project is available as Nuget package (see Dale's answer)
– Thomas Levesque
Aug 7 '12 at 9:29
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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...
What's the point of the X-Requested-With header?
...ue is specifically discussed in section 4.3 of
Robust Defenses for Cross-Site Request Forgery. However, bypasses of
this defense using Flash were documented as early as 2008 and again as
recently as 2015 by Mathias Karlsson to exploit a CSRF flaw in Vimeo.
But, we believe that the Flash atta...
How to find what code is run by a button or element in Chrome using Developer Tools
I'm using Chrome and my own website.
5 Answers
5
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MySQL indexes - what are the best practices?
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If i have a VARCHAR 2500 column which is searchable from parts of my site, should i index it
No, unless it's UNIQUE (which means it's already indexed) or you only search for exact matches on that field (not using LIKE or mySQL's fulltext search).
Generally I put an index on any fields th...