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Rendering JSON in controller

I was reading a book and in a chapter about Controllers when it talks about rendering stuff, for JSON it has an example like this but doesn't go in to details so I couldn't figure out the bigger picture that this example fits in: ...
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Twitter Bootstrap Form File Element Upload Button

... <span> Makes the file input invisible Feedback & Additional Reading I've posted more details about this method, as well as examples for how to show the user which/how many files are selected: http://www.abeautifulsite.net/whipping-file-inputs-into-shape-with-bootstrap-3/ ...
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simple HTTP server in Java using only Java SE API

...vider[Source] { def invoke(source: Source) = new StreamSource( new StringReader("<p>Hello There!</p>")); } val address = "http://127.0.0.1:8080/" Endpoint.create(HTTPBinding.HTTP_BINDING, new P()).publish(address) println("Service running at "+address) println("Type [CTRL]+[C] to qui...
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Real mouse position in canvas [duplicate]

...alculate the inverse matrix of the current matrix. Newer browsers let you read the current matrix via the currentTransform property and Firefox (current alpha) even provide a inverted matrix through the mozCurrentTransformInverted. Firefox however, via mozCurrentTransform, will return an Array and ...
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Why can't Python's raw string literals end with a single backslash?

... Yep, it's just to indicate to someone reading the code whether you expect a path to be a directory or a file. – cdleary Mar 15 '09 at 13:40 ...
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Proper way to handle multiple forms on one page in Django

...ll have two different view functions to deal with the two different forms. Read the submit button values from the POST data. You can tell which submit button was clicked: How can I build multiple submit buttons django form? ...
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How do Python's any and all functions work?

...y. any any will return True when at least one of the elements is Truthy. Read about Truth Value Testing. all all will return True only when all the elements are Truthy. Truth table +-----------------------------------------+---------+---------+ | | an...
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How to replace plain URLs with links?

... a bug in the code that matches email addresses here. [a-zA-Z]{2,6} should read something along the lines of (?:[a-zA-Z]{2,6})+ in order to match more complicated domain names, i.e. email@example.co.uk. – Roshambo Aug 19 '11 at 15:07 ...
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How do I time a method's execution in Java?

Most of the searches on Google return results for timers that schedule threads and tasks, which is not what I want. 40 Answ...
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How to map calculated properties with JPA and Hibernate

... id is the id of the current entity. The following blog post is worth the read: Hibernate Derived Properties - Performance and Portability. Without more details, I can't give a more precise answer but the above link should be helpful. See also: Section 5.1.22. Column and formula elements (Hiber...