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Unstage a deleted file in git
Usually, to discard changes to a file you would do:
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How can I conditionally require form inputs with AngularJS?
Suppose we're building an address book application (contrived example) with AngularJS.
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How do I get the different parts of a Flask request's url?
I want to detect if the request came from the localhost:5000 or foo.herokuapp.com host and what path was requested. How do I get this information about a Flask request?
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Rails 4 - passing variable to partial
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You need the full render partial syntax if you are passing locals
<%= render @users, :locals => {:size => 30} %>
Becomes
<%= render :partial => 'users', :collection => @users, :locals => {:size => 30} %>
Or to use the new hash syntax
<%= render p...
How to install latest (untagged) state of a repo using bower?
...er install 'git://github.com/yeoman/stringify-object.git#d2895fb97d'
You can also specify a branch instead of a SHA, but that's generally not recommended unless it's in development and you control all the parts.
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Big O of JavaScript arrays
.... Any operation that requires renumbering existing values is O(n) simply because you have to update all the affected values.
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Converting NumPy array into Python List structure?
...type" (in a list). If you want to preserve the numpy data types, you could call list() on your array instead, and you'll end up with a list of numpy scalars. (Thanks to Mr_and_Mrs_D for pointing that out in a comment.)
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Find method references in Xcode
...y in Xcode to find all the places where a method or property has been been called?
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Check a radio button with javascript
For some reason, I can't seem to figure this out.
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What is ModelState.IsValid valid for in ASP.NET MVC in NerdDinner?
...s (for example, passing a non-number for something which is an "int"). You can populate ModelState more fully based on whatever validation system you're using.
The sample DataAnnotations model binder will fill model state with validation errors taken from the DataAnnotations attributes on your mode...