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AngularJS performs an OPTIONS HTTP request for a cross-origin resource

...s-Origin Resource Sharing standard works by adding new HTTP headers that allow servers to describe the set of origins that are permitted to read that information using a web browser. Additionally, for HTTP request methods that can cause side-effects on user data (in particular; for HTTP meth...
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Sublime Text 2 - View whitespace characters

...ce, "selection" to draw only the // white space within the selection, and "all" to draw all white space "draw_white_space": "selection", You can see it if you go into Preferences->Settings Default. If you edit your user settings (Preferences->Settings - User) and add the line as per below, y...
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Passing arguments to “make run”

... What's a macro? Isn't that what people call environment variables? What's the difference between a macro and an environment variable? – KcFnMi Aug 12 at 23:05 ...
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Five equal columns in twitter bootstrap

...t; <div class="span2"></div> </div> Voila! Five equally spaced and centered columns. In bootstrap 3.0, this code would look like <div class="row"> <div class="col-md-2 col-md-offset-1"></div> <div class="col-md-2"></div> <div c...
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How is this fibonacci-function memoized?

...nacci definition, fib n = fib (n-1) + fib (n-2), the function itself gets called, twice from the top, causing the exponential explosion. But with that trick, we set out a list for the interim results, and go "through the list": fib n = (xs!!(n-1)) + (xs!!(n-2)) where xs = 0:1:map fib [2..] The tr...
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How do you performance test JavaScript code?

... a good way to get numbers, but in my experience, perceived performance is all that matters to the user/client. For example, we had a project with an Ext accordion that expanded to show some data and then a few nested Ext grids. Everything was actually rendering pretty fast, no single operation too...
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Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization

... So why isn't that called "using the stack to trigger cleanup" (UTSTTC:)? RAII is telling you what to do: Acquire your resource in a constructor! I would add: one resource, one constructor. UTSTTC is just one application of that, RAII is much ...
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In Vim, how do I apply a macro to a set of lines?

...at performs an operation on a single line. I want to repeat that macro on all of the remaining lines in the file. Is there a quick way to do this? ...
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AngularJS best practices for module declaration?

I have a bunch of Angular modules declared in my app. I originally started declaring them using the "chained" syntax like this: ...
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Rename Files and Directories (Add Prefix)

I would like to add prefix on all folders and directories. 10 Answers 10 ...