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Removing all empty elements from a hash / YAML?
...e here for the benchmark.
In case you want to backport it to your Rails 3 app:
# config/initializers/rails4_backports.rb
class Hash
# as implemented in Rails 4
# File activesupport/lib/active_support/core_ext/hash/compact.rb, line 8
def compact
self.select { |_, value| !value.nil? }
e...
How to resolve : Can not find the tag library descriptor for “http://java.sun.com/jsp/jstl/core” [du
... -> 'Targeted Runtimes' and select the server you going to run your web app on (Tomcat 6 or 7).
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How can you detect the version of a browser?
... ').replace('OPR', 'Opera');
}
M= M[2]? [M[1], M[2]]: [navigator.appName, navigator.appVersion, '-?'];
if((tem= ua.match(/version\/(\d+)/i))!= null) M.splice(1, 1, tem[1]);
return M.join(' ');
})();
console.log(navigator.sayswho); // outputs: `Chrome 62`
...
Rails.env vs RAILS_ENV
...ingInquirer.new(RAILS_ENV)
end
But, look at specifically how it's wrapped, using ActiveSupport::StringInquirer:
Wrapping a string in this class gives
you a prettier way to test for
equality. The value returned by
Rails.env is wrapped in a
StringInquirer object so instead of
ca...
Is there a DesignMode property in WPF?
...
I applied your solution in my application but it doesn't work. I asked it here stackoverflow.com/questions/3987439/…. If you would, please join us and discuss.
– Nam G VU
Oct 21 '10 at 1...
Android: TextView: Remove spacing and padding on top and bottom
...t to add lineSpacingExtra="0dp" in multiline TextView as it might make the appearance clumsy
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Is it possible to search for a particular filename on GitHub?
...sitories for files with a particular pathname (e.g. searching for path:/app/models/user.rb yields >109k results), but is there a way to search all repositories for filenames independent of their subdirectory location? I tried using asterisks in the path argument, and that didn't seem to work....
Android - Writing a custom (compound) component
The Android app I'm currently developing has a main activity that has grown quite large. This is mainly because it contains a TabWidget with 3 tabs. Each tab has quite a few components. The activity has to control of all those components at once. So I think you can imagine that this Activity has l...
Git: How to squash all commits on branch
...- non destructive and only oops moment may be checking in too much such as app secrets etc, which shouldn't matter if you have a proper gitignore file
– kkarakk
May 31 '19 at 6:41
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Check if a subview is in a view
I'm making an app where I add a subview to a view using addSubview: on an IBAction . In the same way, when the button with that IBAction is touched again should call removeFromSuperview on that subview added on that IBAction :
...