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When is localStorage cleared?
...nd of complex data
It’s difficult for cookies to keep track of two or more transactions on the same
site, which might be happening in two or more different tabs
Cookies
can be exploited using techniques such as cross site scripting,
resulting in security breaches
Other (less p...
Superiority of unnamed namespace over static?
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More generally, an unnamed namespace allows external linkage. That's what enables the local-to-translation-unit class declaration. It also allows e.g. external linkage string constant, to be used as template argument.
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Why does Double.NaN==Double.NaN return false?
... you know of any case where having NaN != NaN be false would make programs more complicated than having NaN != NaN be true? I know IEEE made the decision ages ago, but from a practical perspective, I've never seen cases where it's useful. If an operation is supposed to run until consecutive iterat...
How to get domain URL and application name?
...is for all relative paths in your JSP page (which would make this question more sense), then you can make use of the HTML <base> tag:
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<c:set var...
Resetting a multi-stage form with jQuery
...r answers, will clear radio/checkbox elements from any value attributes.
A more correct answer (but not perfect) is:
function resetForm($form) {
$form.find('input:text, input:password, input:file, select, textarea').val('');
$form.find('input:radio, input:checkbox')
.removeAttr('che...
How do I programmatically change file permissions?
...xFilePermissions.fromString() will uses a conventional format that will be more readable to many developers. For APIs that accept a FileAttribute, you can wrap the set of permissions with with PosixFilePermissions.asFileAttribute().
Set<PosixFilePermission> ownerWritable = PosixFilePermission...
Unlimited Bash History [closed]
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Is there any connection string parser in C#?
...rked on rather than foolproof and battle-tested solutions. I hope they are more valuable than comments that leave no information. You're also free to downvote. As far as I know, what needs to be further done is adhere to parsing standards. MS has one on msdn and it's been long in my mind to ammend. ...
Adding a favicon to a static HTML page
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FFMPEG (libx264) “height not divisible by 2”
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