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How do I specify local .gem files in my Gemfile?

... Wouldn't it just be easier to run "gem server" on the command line and add source "localhost:8808" to your Gemfile – Anna Oct 9 '12 at 21:19 6 ...
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How to reset (clear) form through JavaScript?

... My brain just expanded, thanks: "A jQuery object is an array-like wrapper around one or more DOM elements. To get a reference to the actual DOM elements (instead of the jQuery object), you have two options. The first (and fastest) method is t...
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jQuery find parent form

...l inputs, this is much faster than .closest() (5-10 times faster in Chrome and IE8). Works on IE6 & 7 too. var input = $('input[type=submit]'); var form = input.length > 0 ? $(input[0].form) : $(); share | ...
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What is the best way to do a substring in a batch file?

...nced. You can now use the following optional syntax: %~I - expands %I removing any surrounding quotes (") %~fI - expands %I to a fully qualified path name %~dI - expands %I to a drive letter only %~pI - expands %I to a path only %~nI - expands %I to a file na...
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How do you run a single test/spec file in RSpec?

... Or you can skip rake and use the 'rspec' command: rspec path/to/spec/file.rb In your case I think as long as your ./spec/db_spec.rb file includes the appropriate helpers, it should work fine. If you're using an older version of rspec it is: ...
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Reasons for using the set.seed function

...ion in R, before starting the program. I know it's basically used for the random number generation. Is there any specific need to set this? ...
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HttpServletRequest - how to obtain the referring URL?

...ng. You, however, need to realize that this is a client-controlled value and can thus be spoofed to something entirely different or even removed. Thus, whatever value it returns, you should not use it for any critical business processes in the backend, but only for presentation control (e.g. hidin...
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datatrigger on enum to change image

I've got a button with a fixed background image and would like to show a small overlay image on top of it. Which overlay image to chose depends on a dependency property ( LapCounterPingStatus ) of the according viewmodel. ...
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How to access array elements in a Django template?

...ur object isn't a dict with 3 as a key, doesn't have an attribute named 3, and doesn't have a method named 3. share | improve this answer | follow | ...
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How to remove all .svn directories from my application directories

...ories from my application directory tree. I am looking for a recursive command in the Linux shell that will traverse the entire tree and delete the .svn files. ...