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How to check which version of v8 is installed with my NodeJS?
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Interesting how the definition of fun can vary from an individual to another :)
– Arnaud Leyder
Nov 25 '15 at 16:00
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What is the difference between the dot (.) operator and -> in C++? [duplicate]
...ed to return an intermediate proxy object which has a foo member different from that in the originating class. Wouldn't that assert( (*boo).foo == boo->foo ) fail. It is true that one should be cautious as the c++ elves may be lurking in the dark.
– g24l
Ja...
ld cannot find an existing library
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Installing libgl1-mesa-dev from the Ubuntu repo resolved this problem for me.
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How do I get an empty array of any size in python?
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You can use numpy:
import numpy as np
Example from Empty Array:
np.empty([2, 2])
array([[ -9.74499359e+001, 6.69583040e-309],
[ 2.13182611e-314, 3.06959433e-309]])
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How to print like printf in Python3?
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Simple printf() function from O'Reilly's Python Cookbook.
import sys
def printf(format, *args):
sys.stdout.write(format % args)
Example output:
i = 7
pi = 3.14159265359
printf("hi there, i=%d, pi=%.2f\n", i, pi)
# hi there, i=7, pi=3.14
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Rails 3 migrations: Adding reference column?
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See section 2.1 from edgeguides.rubyonrails.org/active_record_migrations.html for example.
– B Seven
Nov 19 '14 at 22:36
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How to word wrap text in HTML?
...s where they may be split. You can even get that information automatically from a suitable dictionary.
– Kim Stebel
Aug 3 '11 at 11:03
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How to remove all leading zeroes in a string
...oesn't handle any size of string like other answers do. You're converting from a string to an integer and then back as a string - simpler to merely shorten the string.
– Mike Weir
Oct 12 '16 at 18:41
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UnmodifiableMap (Java Collections) vs ImmutableMap (Google) [duplicate]
...dition it will never change after construction, while UnmodifiableMap may. From the JavaDoc:
An immutable, hash-based Map with reliable user-specified iteration order. Does not permit null keys or values.
Unlike Collections.unmodifiableMap(java.util.Map), which is a view of a separate map w...
How to unbind a listener that is calling event.preventDefault() (using jQuery)?
...ion, do the below...
document.ontouchmove = function(e){ return true; }
From this website.
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