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Can you 'exit' a loop in PHP?
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213
You are looking for the break statement.
$arr = array('one', 'two', 'three', 'four', 'stop', ...
How to compare strings ignoring the case
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277
You're looking for casecmp. It returns 0 if two strings are equal, case-insensitively.
str1.c...
Simple way to create matrix of random numbers
...er [0, 1).
>>> import numpy as np
>>> np.random.rand(2,3)
array([[ 0.22568268, 0.0053246 , 0.41282024],
[ 0.68824936, 0.68086462, 0.6854153 ]])
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Breaking loop when “warnings()” appear in R
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152
You can turn warnings into errors with:
options(warn=2)
Unlike warnings, errors will interrup...
ggplot with 2 y axes on each side and different scales
...iving them the "flawed" speech is often pointless. But I do like the ggplot2 insistence on doing things the right way. I am sure that ggplot is in fact educating the average user about proper visualization techniques.
Maybe you can use faceting and scale free to compare the two data series? - e.g. ...
Get type of all variables
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answered Oct 2 '12 at 16:06
JamesJames
59.2k1313 gold badges134134 silver badges182182 bronze badges
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How to convert an IPv4 address into a integer in C#?
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21 Answers
21
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Transform DateTime into simple Date in Ruby on Rails
...ew.to_date
NoMethodError: undefined method 'to_date' for #<DateTime: -1/2,0,2299161>
from (irb):1
>> require 'active_support/core_ext'
=> true
>> DateTime.new.to_date
=> Mon, 01 Jan -4712
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Server polling with AngularJS
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answered Dec 2 '12 at 17:04
abhagaabhaga
5,43522 gold badges1818 silver badges1919 bronze badges
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