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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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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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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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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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How to get input type using jquery?

...ns and some selects. The fiddle here: http://jsfiddle.net/pVBU8/1/ get all the inputs: var allInputs = $(":input"); get all the inputs type: allInputs.attr('type'); get the values: allInputs.val(); NOTE: .val() is NOT the same as :checked for those types where that is relevent. use: .a...
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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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What is /dev/null 2>&1?

... either appending to or writing to /dev/null has the same net effect. I usually just use > for that reason.) 2>&1 redirects standard error (2) to standard output (1), which then discards it as well since standard output has already been redirected. ...
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Inheritance vs. Aggregation [closed]

... aggregation (or we plan to use it) but we find out we need to copy almost all of the functionality. Then we have a smell that points in the direction of inheritance. To cut it short. We should use aggregation if part of the interface is not used or has to be changed to avoid an illogical situatio...
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How many socket connections can a web server handle?

...am. Today, arbitrarily, let's say i7 (4 core) with 8GB of RAM. A good firewall/router to match. No virtual limit/governor - ie. Linux somaxconn, IIS web.config... No dependency on other slower hardware - no reading from harddisk, because it would be the lowest common denominator and bottleneck, not ...