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How can jQuery deferred be used?

... // or may not have been retrieved using an // XHR request. }); Basically, if the value has already been requested once before it's returned immediately from the cache. Otherwise, an AJAX request fetches the data and adds it to the cache. The $.when/.then doesn't care about any of this; all ...
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A semantics for Bash scripts?

...patchwork together little scripts that appear to work. However, I don't really know what's going on, and I was hoping for a more formal introduction to Bash as a programming language. For example: What is the evaluation order? what are the scoping rules? What is the typing discipline, e.g. is ever...
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Fast Bitmap Blur For Android SDK

...x Blur, but is * 7x faster than my Gaussian Blur implementation. * * I called it Stack Blur because this describes best how this * filter works internally: it creates a kind of moving stack * of colors whilst scanning through the image. Thereby it * just has to add one new block of color to th...
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Creating a new dictionary in Python

I want to build a dictionary in Python. However, all the examples that I see are instantiating a dictionary from a list, etc . .. ...
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Constructors in JavaScript objects

...en mention Foo, while in the latter case it will know that it's Foo being called. Very helpful for debugging. – Joachim Isaksson Oct 21 '13 at 11:36  |  ...
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Perl flags -pe, -pi, -p, -w, -d, -i, -t?

...eem to be mostly made up of punctuation :-) The command line switches are all detailed in perlrun. (available from the command line by calling perldoc perlrun) Going into the options briefly, one-by-one: -p: Places a printing loop around your command so that it acts on each line of standard ...
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Get local IP address

...sing Geraldo H Answer, but if anyone is using this, you may want to remove all ips that ends with 1, so it will remove loopback and virtualbox/vmware default ips – Leonardo Xavier Jun 23 '15 at 13:03 ...
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How to configure Git post commit hook

...it/notifyCommit?url=<URL of the Git repository> This will scan all the jobs that’s configured to check out the specified URL, and if they are also configured with polling, it’ll immediately trigger the polling (and if that finds a change worth a build, a build will be triggered in tu...
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What is the difference between “px”, “dip”, “dp” and “sp”?

...lems with dp while everything works fine with dip – DallaRosa Jul 4 '11 at 6:07 255 One note abou...
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Where is a complete example of logging.config.dictConfig?

... All those concise, beautiful YAML snippets in the python logging.config docs just can't be read directly. Bummer. – JimB May 17 '18 at 18:19 ...