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Java compile speed vs Scala compile speed
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edited May 23 '17 at 12:02
Community♦
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answered Aug 16 '10 at 4:07
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Python in Xcode 4+?
...n identifier.
For the “Build Tool” field, type in /usr/local/bin/python3 for Python 3 or /usr/bin/python for Python 2 and then click “Next”. Note that this assumes you have the symbolic link (that is setup by default) that resolves to the Python executable. If you are unsure as to where your...
How to un-submodule a Git submodule?
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Kyle Clegg
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answered Nov 24 '09 at 11:09
gyimgyim
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Using SASS with ASP.NET [closed]
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answered Jan 24 '12 at 3:49
EtienneEtienne
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How to write a multidimensional array to a text file?
...mative error: TypeError: float argument required, not numpy.ndarray) for a 3D array:
import numpy as np
x = np.arange(200).reshape((4,5,10))
np.savetxt('test.txt', x)
One workaround is just to break the 3D (or greater) array into 2D slices. E.g.
x = np.arange(200).reshape((4,5,10))
with open('test....
Where do I find old versions of Android NDK? [closed]
...ndows
Since r11:
.zip for linux and OS X as well, a new URL base, and no 32 bit versions for OS X and linux.
https://dl.google.com/android/repository/android-ndk-r11-linux-x86_64.zip
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impr...
What is the JavaScript equivalent of var_dump or print_r in PHP? [duplicate]
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314
Most modern browsers have a console in their developer tools, useful for this sort of debuggin...
Java: when to use static methods
...ouble mpg)
...which would be static, because one might want to know what 35mpg converts to, even if nobody has ever built a Car. But this method (which sets the efficiency of one particular Car):
void setMileage(double mpg)
...can't be static since it's inconceivable to call the method before ...
What is the difference between screenX/Y, clientX/Y and pageX/Y?
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answered Jan 30 '14 at 9:48
DanDan
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Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?
... field (JLS 17.5).
The ones most interesting for your scenario are (2), (3) and (4). In particular, (3) applies directly to the code I have above: if you transform the declaration of MAP to:
public static volatile HashMap<Object, Object> MAP;
then everything is kosher: readers who see a n...