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How do I output coloured text to a Linux terminal?
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13 Answers
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How to do Base64 encoding in node.js?
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answered May 31 '11 at 2:46
onteria_onteria_
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How to install PostgreSQL's pg gem on Ubuntu?
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edited Oct 24 '13 at 21:33
Jonah
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Import Error: No module named numpy
...is question , but still one step behind. I have only one version of Python 3 installed on my Windows 7 ( sorry ) 64-bit system.
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dyld: Library not loaded: @rpath/libswift_stdlib_core.dylib
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36 Answers
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How do you get the magnitude of a vector in Numpy?
...ray -- say x.norm() -- but oh well).
import numpy as np
x = np.array([1,2,3,4,5])
np.linalg.norm(x)
You can also feed in an optional ord for the nth order norm you want. Say you wanted the 1-norm:
np.linalg.norm(x,ord=1)
And so on.
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What are all the uses of an underscore in Scala?
...](a: K[T])
Ignored variables
val _ = 5
Ignored parameters
List(1, 2, 3) foreach { _ => println("Hi") }
Ignored names of self types
trait MySeq { _: Seq[_] => }
Wildcard patterns
Some(5) match { case Some(_) => println("Yes") }
Wildcard patterns in interpolations
"abc" match {...
Jquery - How to make $.post() use contentType=application/json?
...tion that is a shortcut for the $.ajax configuration you want to use
Or
3.You could overwrite the $.post function with your own implementation via monkey patching.
The JSON datatype in your example refers to the datatype returned from the server and not the format sent to the server.
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Was PreferenceFragment intentionally excluded from the compatibility package?
I'm looking to write preferences that can be applied to both 3.0 and pre-3.0 devices. Discovering that PreferenceActivity contains deprecated methods (although these are used in the accompanying sample code), I looked at PreferenceFragement and the compatibility package to solve my woes.
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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
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237
Braces ($var vs. ${var})
In most cases, $var and ${var} are the same:
var=foo
echo $var
# foo...