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How to compare versions in Ruby?
... what it's worth: vers = (1..3000000).map{|x| "0.0.#{x}"}; 'ok' puts Time.now; vers.map{|v| ComparableVersion.new(v) }.sort.first; puts Time.now # 24 seconds 2013-10-29 13:36:09 -0700 2013-10-29 13:36:33 -0700 => nil puts Time.now; vers.map{|v| Gem::Version.new(v) }.sort.first; puts Time.now ...
What is the right way to override a setter method in Ruby on Rails?
I am using Ruby on Rails 3.2.2 and I would like to know if the following is a "proper"/"correct"/"sure" way to override a setter method for a my class attribute.
...
How to calculate “time ago” in Java?
...add some more description to your answer, link only answer is not good for now.
– Ajay S
May 11 '14 at 19:00
@Somatik ...
console.log timestamps in Chrome?
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As @Krzysztof Wolny pointed out, this is now built-in to Chrome 35 DevTools. (Yay!) Enable by opening developer tools (e.g. F12 or "Inspect Element"), click on the "gear" to view settings, then check the "Show timestamps" checkbox in the "Console" section. !Enable t...
What is the difference between Ruby 1.8 and Ruby 1.9
...es
Performance
Threads/Fibers
Encoding/Unicode
gems is (mostly) built-in now
if statements do not introduce scope in Ruby.
What's changed?
Single character strings.
Ruby 1.9
irb(main):001:0> ?c
=> "c"
Ruby 1.8.6
irb(main):001:0> ?c
=> 99
String index.
Ruby 1.9
irb(main):0...
JavaScript: How to find out if the user browser is Chrome?
...heck if browser is Google Chrome, try this:
// please note,
// that IE11 now returns undefined again for window.chrome
// and new Opera 30 outputs true for window.chrome
// but needs to check if window.opr is not undefined
// and new IE Edge outputs to true now for window.chrome
// and if not iOS ...
autolayout - make height of view relative to half superview height
...
This is now possible in IB as of [at least] Xcode 5.1.1. Although it took me sometime to figure out it is actually super simple:
First create a basic top alignment constraint (you will also need to setup bottom, left, and right cons...
How to create GUID / UUID?
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UUIDs (Universally Unique IDentifier), also known as GUIDs (Globally Unique IDentifier), according to RFC 4122, are identifiers designed to provide certain uniqueness guarantees.
While it is possible to implement an RFC-compliant UUIDs in a few lines of JS (E.g. see @b...
Find Oracle JDBC driver in Maven repository
... @AmanicA According to stackoverflow.com/a/27943380/7677308, Oracle now hosts such a repository
– SilverNak
Dec 28 '17 at 12:56
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sho...
Python Create unix timestamp five minutes in the future
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Another way is to use calendar.timegm:
future = datetime.datetime.utcnow() + datetime.timedelta(minutes=5)
return calendar.timegm(future.timetuple())
It's also more portable than %s flag to strftime (which doesn't work on Windows).
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