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Get the creation date of a stash
... git stash list --date=relative. Worth noting is that the --date is coming from the git log command, not stash itself, see here for possible --date values: stackoverflow.com/questions/7853332/git-log-date-formats
– thnee
Oct 21 '14 at 15:09
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Is there a difference between single and double quotes in Java?
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And, of course, this behavior is borrowed from C (which probably got it somewhere else, I presume).
– JesperE
Jan 13 '09 at 16:01
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How to convert int to NSString?
... there may be slightly less overhead by avoiding the intermediate NSNumber from your code? @(myInt) is a boxed expression, it returns an NSNumber.
– Cœur
Apr 3 at 4:01
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How is the “greater than” or “>” character used in CSS?
...he pair with a,
as shown below:
div.resources > a{color: white;}
(from http://www.xml.com/pub/a/2003/06/18/css3-selectors.html)
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Preferred method to store PHP arrays (json_encode vs serialize)
..."5.3.0 Added the optional depth. The default recursion depth was increased from 128 to 512"
– giorgio79
Dec 15 '11 at 6:30
4
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The Ruby %r{ } expression
... variant ignores whitespace, making complex regexps more readable. Example from GitHub's Ruby style guide:
regexp = %r{
start # some text
\s # white space char
(group) # first group
(?:alt1|alt2) # some alternation
end
}x
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Ruby Metaprogramming: dynamic instance variable names
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You can also use send which prevents the user from setting non-existent instance variables:
def initialize(hash)
hash.each { |key, value| send("#{key}=", value) }
end
Use send when in your class there is a setter like attr_accessor for your instance variables:
clas...
npm failed to install time with make not found error
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Thanks a lot, after more than 2 years from this post. It saved my day !!
– Kousick Shanmugam Nagaraj
Nov 7 '17 at 17:58
1
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Is there a regular expression to detect a valid regular expression?
...t;)|\)(?<-N>))(?:(?:[?+*]|\{\d+(?:,\d*)?\})[?+]?)?|\|)*$(?(N)(?!))
From the comments:
Will this validate substitutions and translations?
It will validate just the regex part of substitutions and translations. s/<this part>/.../
It is not theoretically possible to match all va...
Rails 4: before_filter vs. before_action
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In 4.2 They are not deprecating it, but removing it from the docs since it is discouraged. edgeguides.rubyonrails.org/…
– onetwopunch
Dec 3 '14 at 23:18
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