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Django, creating a custom 500/404 error page
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14 Answers
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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 , ...
Ruby: Change negative number to positive number?
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271
Using abs will return the absolute value of a number
-300.abs # 300
300.abs # 300
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How to get milliseconds from LocalDateTime in Java 8
I am wondering if there is a way to get current milliseconds since 1-1-1970 (epoch) using the new LocalDate , LocalTime or LocalDateTime classes of Java 8.
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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...
How do I change the data type for a column in MySQL?
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http://dev.mysql.com/doc/refman/5.1/en/alter-table.html
ALTER TABLE tablename MODIFY columnname INTEGER;
This will change the datatype of given column
Depending on how many columns you wish to modify it might be best to generate a script, or use some kind of...
Programmatically find the number of cores on a machine
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19 Answers
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