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Swift: Pass array by reference?
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edited Nov 15 '17 at 21:23
iwasrobbed
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ans...
jQuery hide element while preserving its space in page layout
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edited Mar 2 '12 at 3:13
Wesley Murch
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How to keep Maven profiles which are activeByDefault active even if another profile gets activated?
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Kariem
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answered Sep 20 '11 at 7:07
seanfseanf
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Rails mapping array of hashes onto single hash
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163
You could compose Enumerable#reduce and Hash#merge to accomplish what you want.
input = [{"test...
Is an array name a pointer?
..., and you can put a value in one of them with an assignment, like this:
a[3] = 9;
Here is a pointer:
int *p;
p doesn't contain any spaces for integers, but it can point to a space for an integer. We can, for example, set it to point to one of the places in the array a, such as the first one:
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Check difference in seconds between two times
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JonJon
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What does __FILE__ mean in Ruby?
...o.rb, __FILE__ would be interpreted as "foo.rb".
Edit: Ruby 1.9.2 and 1.9.3 appear to behave a little differently from what Luke Bayes said in his comment. With these files:
# test.rb
puts __FILE__
require './dir2/test.rb'
# dir2/test.rb
puts __FILE__
Running ruby test.rb will output
test.rb
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How to round a number to significant figures in Python
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You can use negative numbers to round integers:
>>> round(1234, -3)
1000.0
Thus if you need only most significant digit:
>>> from math import log10, floor
>>> def round_to_1(x):
... return round(x, -int(floor(log10(abs(x)))))
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>>> round_to_1(0.0232)...
How to save and load cookies using Python + Selenium WebDriver
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Ratmir Asanov
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answered Feb 25 '13 at 0:41
Ali-Akber SaifeeAli-A...
What does the number in parentheses shown after Unix command names in manpages mean?
For example: man(1) , find(3) , updatedb(2) ?
7 Answers
7
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