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round up to 2 decimal places in java? [duplicate]
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How to format a float in javascript?
...n JavaScript, when converting from a float to a string, how can I get just 2 digits after the decimal point? For example, 0.34 instead of 0.3445434.
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Git for Windows - The Program can't start because libiconv2.dll is missing
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Most efficient way to prepend a value to an array
...big-O but certainly using the unshift method is more concise:
var a = [1, 2, 3, 4];
a.unshift(0);
a; // => [0, 1, 2, 3, 4]
[Edit]
This jsPerf benchmark shows that unshift is decently faster in at least a couple of browsers, regardless of possibly different big-O performance if you are ok with...
Explain the encapsulated anonymous function syntax
...ve a function expression without a name defined:
(function () {
alert(2 + 2);
}());
Or named function expression:
(function foo() {
alert(2 + 2);
}());
The Parentheses (formally called the Grouping Operator) can surround only expressions, and a function expression is evaluated.
The tw...
Process all arguments except the first one (in a bash script)
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692
Use this:
echo "${@:2}"
The following syntax:
echo "${*:2}"
would work as well, but is n...
Test if remote TCP port is open from a shell script
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Raedwald
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answered Feb 27 '12 at 10:35
Alessio GaetaAl...
How would you implement an LRU cache in Java?
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21 Answers
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Evaluating string “3*(4+2)” yield int 18 [duplicate]
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answered Dec 2 '08 at 12:01
arularul
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