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Adaptive segue in storyboard Xcode 6. Is push deprecated?
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edited Oct 27 '15 at 19:23
answered Oct 27 '15 at 19:18
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Set environment variables on Mac OS X Lion
...profile.
– Felixyz
Jul 19 '12 at 14:27
2
If you use the paths.d way and you have a path that cont...
Why do we use Base64?
... Billy ONealBilly ONeal
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Image Processing: Algorithm Improvement for 'Coca-Cola Can' Recognition
...is going to fail.
– Li-aung Yip
Apr 27 '12 at 10:04
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Schema for a multilanguage database
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answered Nov 27 '08 at 10:02
SunWuKungSunWuKung
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App restarts rather than resumes
...hanks very much!
– shaya ajzner
Nov 27 '16 at 15:02
3
WOOOOOW fixed my problem ive been looking f...
Definition of “downstream” and “upstream”
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edited Sep 27 '12 at 15:05
answered Sep 27 '12 at 14:21
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cartesian product in pandas
...f1, df2,on='key')[['col1', 'col2', 'col3']]
Output:
col1 col2 col3
0 1 3 5
1 1 3 6
2 2 4 5
3 2 4 6
See here for the documentation: http://pandas.pydata.org/pandas-docs/stable/merging.html#brief-primer-on-merge-methods-relational-algebra
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Regular expression that matches valid IPv6 addresses
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30 Answers
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What is the easiest way to remove the first character from a string?
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I kind of favor using something like:
asdf = "[12,23,987,43"
asdf[0] = ''
p asdf
# >> "12,23,987,43"
I'm always looking for the fastest and most readable way of doing things:
require 'benchmark'
N = 1_000_000
puts RUBY_VERSION
STR = "[12,23,987,43"
Benchmark.bm(7) do |b|
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