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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 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...
List all of the possible goals in Maven 2?
...le of Maven. For example, the build lifecycle (you also have the clean and site lifecycles which are different) is composed of the following phases:
validate: validate the project is correct and all necessary information is available.
compile: compile the source code of the project.
test: test the...
What is the difference between “screen” and “only screen” in media queries?
...? So, we have the mobile css first and then use min-width to target larger sites. We shouldn't use the only keyword in that context, right?
– Ashitaka
Aug 3 '12 at 15:55
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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...