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How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?
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According to this updated test jsperf.com/short-scope/5 passing 'window' is actually slower, when it come to get a window constant through jQuery, and particularly bad for Safari. So while 'undefined' has a use case, I am not quite convinced that 'win...
Should everything really be a bundle in Symfony 2.x?
... soon as they are autoloaded.
In a routing definition file, you can use:
test:
pattern: /test
defaults: { _controller: Controller\Test::test }
It can be any plain old php object, only tied to the framework by the fact it has to return a Symfony\Component\HttpFoundation\Response object...
C# loop - break vs. continue
...s here just use the standard for loop, but will this work for pre and post tested while loops? The goto notation leads me to believe so, but need some verification.
– Daniel Park
Aug 8 '13 at 3:02
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What does send() do in Ruby?
...ibility checks, so that you can call private methods, too (useful for unit testing).
If there is really no variable before send, that means that the global Object is used:
send :to_s # "main"
send :class # Object
s...
Git - push current branch shortcut
...the remote tracking branch.
git branch --set-upstream feature/123-sandbox-tests origin/feature/123-sandbox-tests
Then you can simply use git push to push all the changes. For a more complete answer, please see the accepted answer to a similar question here.
If you only want to push the current b...
Command-line Unix ASCII-based charting / plotting tool
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The latest version was released in 2007, so yes. A better patch that might actually get released would involve adding another flag and conditionalizing the behavior, but I haven't yet wanted to put in the effort to do that.
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Check if an apt-get package is installed and then install it if it's not on Linux
...ok config-files or similar, so it's "ok" - so to me, this is not a safe test. dpkg-query -l doesnt seem to return a useful result in this case either.
– keen
Sep 23 '16 at 19:49
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What integer hash function are good that accepts an integer hash key?
...turn x;
}
The magic number was calculated using a special multi-threaded test program that ran for many hours, which calculates the avalanche effect (the number of output bits that change if a single input bit is changed; should be nearly 16 on average), independence of output bit changes (output ...
Ignore mouse interaction on overlay image
... Yup -- This is the good stuff. It also works in suppressing hit-testing for elements with no backgrounds set that are being used as containers for other items (that you actually do want to hit-test.)
– Armentage
Feb 8 '12 at 5:22
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Where can I learn how to write C code to speed up slow R functions? [closed]
...as hundreds of packages, some from authors you trust. That provides real, tested examples to study and adapt.
But as Josh suspected, I lean more towards C++ and hence Rcpp. It also has plenty of examples.
Edit: There were two books I found helpful:
The first one is Venables and Ripley's "S Prog...