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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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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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Browse orphaned commits in Git

...is open I think I'll give an answer to my own question. Using git reflog --all is a good way to browse orphaned commits - and using the SHA1 hashes from that you can reconstruct history. In my case though, the repository was corrupted so this didn't help; git fsck can help you find and sometimes fi...
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Rebuild IntelliJ project indexes

IntelliJ IDEA 10.5.1 is reporting zero usages for all method, classes etc. 2 Answers ...
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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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Is there “Break on Exception” in IntelliJ?

Is there feature that will automatically break debugging on first exception occurrence? 6 Answers ...
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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...