大约有 43,165 项符合查询结果（耗时：0.0383秒） [XML]
How to find all combinations of coins when given some dollar value
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Socket.IO - how do I get a list of connected sockets/clients?
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In Socket.IO 0.7 you have a clients method on the namespaces, this returns a array of all conn...
How to calculate time elapsed in bash script?
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edited Dec 12 '15 at 1:12
answered Jan 17 '12 at 23:44
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Why does parseInt(1/0, 19) return 18?
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The result of 1/0 is Infinity.
parseInt treats its first argument as a string which means fi...
How to generate a random integer number from within a range
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Regular expression for matching HH:MM time format
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How to determine if a number is odd in JavaScript
... the below code:
function isOdd(num) { return num % 2;}
console.log("1 is " + isOdd(1));
console.log("2 is " + isOdd(2));
console.log("3 is " + isOdd(3));
console.log("4 is " + isOdd(4));
1 represents an odd number, while 0 represents an even number.
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What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
...ic sort compares the numbers as floats, this allows scientific notation eg 1.234E10 but is slower and subject to rounding error (1.2345678 could come after 1.2345679), numeric sort is just a regular alphabetic sort that knows 10 comes after 9.
See http://www.gnu.org/software/coreutils/manual/h...
How do I pick randomly from an array?
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Just use Array#sample:
[:foo, :bar].sample # => :foo, or :bar :-)
It is available in Ru...
Modular multiplicative inverse function in Python
...e inverse of a number, i.e. a number y = invmod(x, p) such that x*y == 1 (mod p) ? Google doesn't seem to give any good hints on this.
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