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Why does the MongoDB Java driver use a random number generator in a conditional?
...t this piece of code amounts to
if (!_ok && Math.random() <= 0.1)
return res;
The commit that originally introduced this logic had
if (_ok == true) {
_logger.log( Level.WARNING , "Server seen down: " + _addr, e );
} else if (Math.random() < 0.1) {
_logger.log( Level.WARNING , ...
iPhone UIView Animation Best Practice
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118
From the UIView reference's section about the beginAnimations:context: method:
Use of this...
Create an empty list in python with certain size
I want to create an empty list (or whatever is the best way) that can hold 10 elements.
15 Answers
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Programmatically find the number of cores on a machine
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19 Answers
19
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Selecting the first “n” items with jQuery
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edited Apr 9 '15 at 23:06
thefoxrocks
1,34622 gold badges1414 silver badges3838 bronze badges
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How to check if a function exists on a SQL database
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edited Oct 18 '13 at 14:18
answered Mar 24 '11 at 12:30
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Having a private branch of a public repo on GitHub?
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answered Jan 9 '13 at 17:53
mj1531mj1531
1,5061414 silver badges1010 bronze badges
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parseInt(null, 24) === 23… wait, what?
..., there are no numerals it can convert, so it returns NaN. At 24, "n", the 14th letter, is added to the numeral system. At 31, "u", the 21st letter, is added and the entire string can be decoded. At 37 on there is no longer any valid numeral set that can be generated and NaN is returned.
js> par...
Hide files with certain extension in Sublime Text Editor?
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191
Are you talking about the sidebar? For example, if you select File → Open and select a fold...
Ruby: How to iterate over a range, but in set increments?
...95 for the full API.
Basically you use the step() method. For example:
(10..100).step(10) do |n|
# n = 10
# n = 20
# n = 30
# ...
end
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