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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's the difference between a proc and a lambda in Ruby?
...
I've been to God knows how many websites and articles by now and nobody seems to talk about the utility of Procs vs. methods vs. lambdas. Every explanation just provides a hair-splitting detail of how return values, etc., are different, but no...
“Eliminate render-blocking CSS in above-the-fold content”
...ly degrade user experience by showing FOUT!
– publicknowledge
Feb 1 '16 at 1:33
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show 7 more comments
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How to perform runtime type checking in Dart?
...c isn't exactly friendly to a casual reader, so the best description right now seems to be http://www.dartlang.org/articles/optional-types/.
Here's an example:
class Foo { }
main() {
var foo = new Foo();
if (foo is Foo) {
print("it's a foo!");
}
}
...
How to add ASP.NET 4.0 as Application Pool on IIS 7, Windows 7
...ervices and Applications) and select Internet Information Services
You'll now have a new applet within the content window exclusively for IIS.
Expand out your computer and locate the Application Pools node, and select it. (You should now see ASP.NET v4.0 listed)
Expand out your Sites node and loc...
Programmatically add custom event in the iPhone Calendar
...te the event handling inside of a block.
2) You need to commit your event now or pass the "commit" param to your save/remove call
Everything else stays the same...
Add the EventKit framework and #import <EventKit/EventKit.h> to your code.
In my example, I have a NSString *savedEventId inst...
Getting GDB to save a list of breakpoints
...
As of GDB 7.2 (2011-08-23) you can now use the save breakpoints command.
save breakpoints <filename>
Save all current breakpoint definitions to a file suitable for use
in a later debugging session. To read the saved breakpoint
definitions, use th...
Android App Not Install. An existing package by the same name with a conflicting signature is alread
...om another SDK, the keys will definitely be different.
Also if you don't know exactly what key was used before to sign the apk and yet you want to install the new version of your app, you can just uninstall the previous application and reinstall the new one.
Hope this Helps...
Regards!
...
Can I have multiple :before pseudo-elements for the same element?
... normal element. In your example, the end result looks like this:
.circle.now:before {
content: "Now";
font-size: 19px;
color: black;
}
As you can see, only the content declaration that has highest precedence (as mentioned, the one that comes last) will take effect — the rest of the...
git pull fails “unable to resolve reference” “unable to update local ref”
...
Try cleaning-up your local repository with:
$ git gc --prune=now
$ git remote prune origin
man git-gc(1):
git-gc - Cleanup unnecessary files and optimize the local repository
git gc [--aggressive] [--auto] [--quiet] [--prune=<date> | --no-prune]
Runs a number of hou...