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How to create a temporary directory/folder in Java?
Is there a standard and reliable way of creating a temporary directory inside a Java application? There's an entry in Java's issue database , which has a bit of code in the comments, but I wonder if there is a standard solution to be found in one of the usual libraries (Apache Commons etc.) ?
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Is object empty? [duplicate]
What is the fastest way to check if an object is empty or not?
23 Answers
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How to test if a string is JSON or not?
...ng produced by the PHP function mysql_error() . How can I test whether this data is a JSON string or the error message.
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No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin '…' is therefor
...Header("Access-Control-Allow-Origin", "http://www.example.com");
Check this blog post.
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How can I prevent the backspace key from navigating back?
On IE I can do this with the (terribly non-standard, but working) jQuery
33 Answers
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Choosing a Windows automation scripting language. AutoIt vs Autohotkey [closed]
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I've used both very much.
AutoHotKey is very good at managing hotkeys and basic GUI automation. It's syntax is horrible and it's not meant for bigger applications.
AutoIt has almost every feature AutoHotKey has and much more. COM-automation support, arrays and...
Switch statement for string matching in JavaScript
...ess you're doing full string matching; that's doing substring matching. (This isn't quite true, as Sean points out in the comments. See note at the end.)
If you're happy that your regex at the top is stripping away everything that you don't want to compare in your match, you don't need a substring ...
Can (domain name) subdomains have an underscore “_” in it?
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Most answers given here are false. It is perfectly legal to have
an underscore in a domain name. Let me quote the standard, RFC
2181, section 11, "Name syntax":
The DNS itself places only one restriction on the particular labels
that can be used to identify...
Why does 2 mod 4 = 2?
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Mod just means you take the remainder after performing the division. Since 4 goes into 2 zero times, you end up with a remainder of 2.
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PHP Session Fixation / Hijacking
...prevent these problems. I've been reading the following two articles on Chris Shiflett's website:
5 Answers
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