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Math.random() versus Random.nextInt(int)

...ts in its mantissa, so it is uniformly distributed in the range 0 to 1-(2^-53). Random.nextInt(n) uses Random.next() less than twice on average- it uses it once, and if the value obtained is above the highest multiple of n below MAX_INT it tries again, otherwise is returns the value modulo n (t...
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How to create an array containing 1…N

.... If this is all you need, can you do this instead? var foo = new Array(45); // create an empty array with length 45 then when you want to use it... (un-optimized, just for example) for(var i = 0; i < foo.length; i++){ document.write('Item: ' + (i + 1) + ' of ' + foo.length + '<br/>'...
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How do I pass command-line arguments to a WinForms application?

...| edited May 23 '16 at 8:45 answered Jul 24 '09 at 19:02 Th...
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Add unique constraint to combination of two columns

... answered Apr 3 '13 at 23:56 Aaron BertrandAaron Bertrand 234k3131 gold badges408408 silver badges442442 bronze badges ...
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Bash Script: count unique lines in file

... | edited Nov 20 '15 at 15:40 answered Apr 13 '13 at 5:04 ...
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Detail change after Git pull

... a million on the web, for example: The Pro Git book Git Magic and the 4.5 million hits on Google for "Git tutorial" share | improve this answer | follow | ...
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Adding 'serial' to existing column in Postgres

...INSERT INTO foo (a, b) SELECT i, 'foo ' || i::text FROM generate_series(1, 5) i; INSERT INTO bar (b) SELECT 'bar ' || i::text FROM generate_series(1, 5) i; -- blocks of commands to turn foo into bar CREATE SEQUENCE foo_a_seq; ALTER TABLE foo ALTER COLUMN a SET DEFAULT nextval('foo_a_seq'); ALTER TA...
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Python: Append item to list N times

... of a list of things to add via the above techniques): a = [1,2,3] b = [4,5,6] a.extend(b) # a is now [1,2,3,4,5,6] share | improve this answer | follow | ...
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How to add icon inside EditText view in Android ?

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Linq order by boolean

... Jon SkeetJon Skeet 1211k772772 gold badges85588558 silver badges88218821 bronze badges ...