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Select records from NOW() -1 Day
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280
Judging by the documentation for date/time functions, you should be able to do something like:
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Concatenating two one-dimensional NumPy arrays
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388
The line should be:
numpy.concatenate([a,b])
The arrays you want to concatenate need to passed...
How to get Maven project version to the bash command line
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28 Answers
28
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Java ArrayList replace at specific index
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edited May 15 '18 at 17:48
answered Sep 17 '11 at 5:58
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Getting the docstring from a function
...r the answer.
– imsrgadich
Jul 11 '18 at 7:54
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What makes JNI calls slow?
... 100,000 array to average about 75 microseconds on my Windows desktop, and 82 microseconds on Mac. Fortunately, direct access may be obtained via GetPrimitiveArrayCritical or NewDirectByteBuffer.
If the method is passed an object, or needs to make a callback, then the native method will likely be ma...
Listing only directories using ls in Bash?
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Gordon DavissonGordon Davisson
88.4k1414 gold badges9595 silver badges116116 bronze badges
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Gem::LoadError for mysql2 gem, but it's already in Gemfile
... rails 4.1.5) try using this version of mysql2:
gem 'mysql2', '~> 0.3.18'
Apparently mysql2 isn't still compatible with newer version of rails because rails 4.2.4 is pretty new as the time of answering this question by me 8 September 2015 so use the above line in your Gem file and run:
bundl...
Drawable image on a canvas
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edited Dec 15 '18 at 12:07
answered Apr 8 '14 at 8:36
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How to check if a model has a certain column/attribute?
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mahemoff
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answered Nov 10 '09 at 18:15
Andy StewartA...