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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 , ...
Should I URL-encode POST data?
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138
General Answer
The general answer to your question is that it depends. And you get to decide ...
Convert int to ASCII and back in Python
...ate the shortened URL. So, in theory, node 26 might be short.com/z , node 1 might be short.com/a , node 52 might be short.com/Z , and node 104 might be short.com/ZZ . When a user goes to that URL, I need to reverse the process (obviously).
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How to write string literals in python without having to escape them?
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127
Raw string literals:
>>> r'abc\dev\t'
'abc\\dev\\t'
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How do I measure the execution time of JavaScript code with callbacks?
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11 Answers
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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...
How to select only the records with the highest date in LINQ
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231
If you just want the last date for each account, you'd use this:
var q = from n in table
...
Compiling with g++ using multiple cores
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241
You can do this with make - with gnu make it is the -j flag (this will also help on a uniprocess...
Cocoa Touch: How To Change UIView's Border Color And Thickness?
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14 Answers
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