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Reverse colormap in matplotlib
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edited Nov 1 '14 at 5:13
answered Jul 19 '10 at 11:45
pt...
Favorite way to create an new IEnumerable sequence from a single value?
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JaredParJaredPar
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How to get index using LINQ? [duplicate]
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130
An IEnumerable is not an ordered set.
Although most IEnumerables are ordered, some (such as Dic...
How to create the most compact mapping n → isprime(n) up to a limit N?
...number with one bit e.g. for the given range of numbers (1, 10], starts at 3: 1110
31 Answers
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INSERT INTO … SELECT FROM … ON DUPLICATE KEY UPDATE
... works.
– dnagirl
Mar 18 '10 at 18:43
9
Note: This will not work when SELECT statement has a GROU...
C++ templates that accept only certain types
...s are invalid, and will cause linker error messages.
[Minor EDIT 6/12/2013: Using a declared-but-not-defined template will result in linker, not compiler, error messages.]
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How do you implement an async action delegate method?
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309
The async equivalent of Action<T> is Func<T, Task>, so I believe this is what you'...
Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
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Vadym ChekanVadym Chekan
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python pandas remove duplicate columns
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edited Aug 23 '19 at 13:30
Jean-François Corbett
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Sleep until a specific time/date
...s syntax:
current_epoch=$(date +%s.%N)
target_epoch=$(date -d "20:25:00.12345" +%s.%N)
sleep_seconds=$(echo "$target_epoch - $current_epoch"|bc)
sleep $sleep_seconds
Note that macOS / OS X does not support precision below seconds, you would need to use coreutils from brew instead → see these...