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What is the fastest way to compare two sets in Java?
...eAll(firstSet);
If the contents of one and two are both empty, then you know that the two sets were equal. If not, then you've got the elements that made the sets unequal.
You mentioned that the number of records might be high. If the underlying implementation is a HashSet then the fetching of ea...
invalid target release: 1.7
...red Nov 26 '13 at 13:18
Michał NowakMichał Nowak
1,68711 gold badge1212 silver badges1616 bronze badges
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SELECT * WHERE NOT EXISTS
...ays forget how to exactly use it. Thanks - this example will be bookmarked now.
– Mateng
Sep 18 '12 at 9:00
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How do lexical closures work?
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There is one problem with this solution: func has now two parameters. That means it doesn't work with a variable amount of parameters. Worse, if you call func with a second parameter this will overwrite the original i from the definition. :-(
– Pascal
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How to detect Ctrl+V, Ctrl+C using JavaScript?
...ents
Drag and drop between browser windows can't be prevented as far as I know.
The edit->copy menu item in e.g. Firefox can still allow copy/pasting.
There's also no guarantee that for people with different keyboard layouts/locales that copy/paste/cut are the same key codes (though layouts often...
Command line for looking at specific port
...to examine the status of a specific port from the Windows command line? I know I can use netstat to examine all ports but netstat is slow and looking at a specific port probably isn't.
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What is the difference between require and require-dev sections in composer.json?
I'm beginning using composer, I know so little about it and have a little experience with web application development.
6 An...
Simple logical operators in Bash
...ssions with more quirks (but older and more portable). Don't write any for now; start worrying about them when you find scripts that contain them.
This is the idiomatic way to write your test in bash:
if [[ $varA == 1 && ($varB == "t1" || $varC == "t2") ]]; then
If you need portability ...
What is the difference between HTTP_HOST and SERVER_NAME in PHP?
...erver config. Which one to use depends on what you need it for. You should now however realize that the one is a client-controlled value which may thus not be reliable for use in business logic and the other is a server-controlled value which is more reliable. You however need to ensure that the web...
Using Rails 3.1, where do you put your “page specific” JavaScript code?
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+1 This is great to know for a newbie like me. I'd give it +2 if I could.
– jrhorn424
Mar 17 '12 at 22:16
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