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Truncate Two decimal places without rounding
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value = Math.Truncate(100 * value) / 100;
Beware that fractions like these cannot be accurately represented in floating point.
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Calculate date/time difference in java [duplicate]
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try
long diffSeconds = diff / 1000 % 60;
long diffMinutes = diff / (60 * 1000) % 60;
long diffHours = diff / (60 * 60 * 1000);
NOTE: this assumes that diff is non-negative.
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How to convert a string or integer to binary in Ruby?
...a string representing the number in the base specified:
9.to_s(2) #=> "1001"
while the reverse is obtained with String#to_i(base):
"1001".to_i(2) #=> 9
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What are Scala context and view bounds?
...sible for a long time, the use of context bounds has really taken off in 2010, and is now found to some degree in most of Scala's most important libraries and frameworks. The most extreme example of its usage, though, is the Scalaz library, which brings a lot of the power of Haskell to Scala. I rec...
How to specify a multi-line shell variable?
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answered Mar 15 '13 at 10:04
dogbanedogbane
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C++ map access discards qualifiers (const)
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edited Jan 10 '15 at 19:46
oɔɯǝɹ
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Can anyone explain python's relative imports?
...uldn't bother you?
– e-satis
Mar 4 '10 at 9:27
2
It seems to me that the python's idea is to use ...
Correct way to populate an Array with a Range in Ruby
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You can create an array with a range using splat,
>> a=*(1..10)
=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
using Kernel Array method,
Array (1..10)
=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
or using to_a
(1..10).to_a
=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
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Painless way to install a new version of R?
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answered Oct 20 '10 at 11:16
Joris MeysJoris Meys
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