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How to compare versions in Ruby?
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The Gem::Version... syntax made me thought I would need to install a gem. But it was not required.
– Guillaume
Oct 17 '12 at 17:08
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Best way to create custom config options for my Rails app?
...hat if I set it in environment.rb , it's available in my views, which is exactly what I want...
14 Answers
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How to format a number as percentage in R?
One of the things that used to perplex me as a newby to R was how to format a number as a percentage for printing.
10 Answe...
How to put the legend out of the plot
...) to be made in a single figure. I want the legend to be outside of the box. At the same time, I do not want to change the axes, as the size of the figure gets reduced. Kindly help me for the following queries:
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Trusting all certificates with okHttp
...add a socket factory to my okHttp client that trusts everything while a proxy is set. This has been done many times over, but my implementation of a trusting socket factory seems to be missing something:
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Check if all elements in a list are identical
...Equal1(iterator):
iterator = iter(iterator)
try:
first = next(iterator)
except StopIteration:
return True
return all(first == rest for rest in iterator)
One-liner:
def checkEqual2(iterator):
return len(set(iterator)) <= 1
Also one-liner:
def checkEqual3(ls...
Is there a valid reason for enforcing a maximum width of 80 characters in a code file, this day and
...onitor, it only covers maybe a quarter of the screen. I need some ammo to axe down this rule.
32 Answers
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Calling Java varargs method with single null argument?
...gle argument it assumes the latter.
You have two choices. Cast the null explicitly to Object or call the method using a strongly typed variable. See the example below:
public class Temp{
public static void main(String[] args){
foo("a", "b", "c");
foo(null, null);
foo((Object...
How to print number with commas as thousands separators?
...int an integer in Python 2.6.1 with commas as thousands separators. For example, I want to show the number 1234567 as 1,234,567 . How would I go about doing this? I have seen many examples on Google, but I am looking for the simplest practical way.
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private[this] vs private
...y default? Or should I use it only in some specific cases where I need to explicitly restrict changing field value even for objects of the same class? In other words how should I choose between
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