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What are the effects of exceptions on performance in Java?
... }
// Could in theory throw one, but never will
public void method2(int i) throws Exception {
value = ((value + i) / i) << 1;
// Will never be true
if ((i & 0xFFFFFFF) == 1000000000) {
throw new Exception();
}
}
// This one will...
JavaScript - cannot set property of undefined
...
data: c
};
};
If you're in an environment that supports ES2015 features, you can use computed property names:
d = {
[a]: {
greetings: b,
data: c
}
};
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Android Studio - debug keystore
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edited Feb 4 '14 at 16:28
Ben Clayton
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a...
How to check visibility of software keyboard in Android?
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Using bitwise OR 0 to floor a number
...wise operations except unsigned right shift, >>>, work on signed 32-bit integers. So using bitwise operations will convert a float to an integer.
Does it have any advantages over doing Math.floor? Maybe it's a bit
faster? (pun not intended)
http://jsperf.com/or-vs-floor/2 seems slig...
Checking if a variable is an integer
...
276
You can use the is_a? method
>> 1.is_a? Integer
=> true
>> "dadadad@asdasd.net...
How to get parameters from a URL string?
...
425
You can use the parse_url() and parse_str() for that.
$parts = parse_url($url);
parse_str($par...
What does appending “?v=1” to CSS and Javascript URLs in link and script tags do?
...r example:
<link ... href="http://sstatic.net/stackoverflow/all.css?v=c298c7f8233d">
I think instead of a revision number the SO team went with a file hash, which is an even better approach, even with a new release, the browsers only forced to grab a new version when the file actually chang...