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If REST applications are supposed to be stateless, how do you manage sessions?
...fy, and delete this resource through HTTP.
Hope this helps differentiate what statelessness and various states mean.
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Git undo changes in some files [duplicate]
While coding I added print statements into some files to keep track of what was going on.
6 Answers
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What is the difference between is_a and instanceof?
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@Toto There is a excellent blog post about what experienced developers can learn from beginners. Hopefully you can see it at the top right. Beware of premature optimisation! Only solve timing problems after they've become problems! If the performance is acceptable as ...
ExecutorService, how to wait for all tasks to finish
What is the simplest way to to wait for all tasks of ExecutorService to finish? My task is primarily computational, so I just want to run a large number of jobs - one on each core. Right now my setup looks like this:
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What is the point of the diamond operator () in Java 7?
...ge you instantiate with my_list = new List<>(), then it's not cool! What does my list contain again? Oh, let me hunt around for the definition. Suddenly, the benefit of the diamond shortcut goes bye bye.
– rmirabelle
Apr 3 '13 at 3:00
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What does it mean for a data structure to be “intrusive”?
...rm intrusive used to describe data structures like lists and stacks, but what does it mean?
2 Answers
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WSDL vs REST Pros and Cons
...requires HTTP, and is format-agnostic(meaning you can use XML, JSON, HTML, whatever).
Generally I use REST, because I don't need fancy WS-* features. SOAP is good though if you want computers to understand your webservice using a WSDL. REST specifications are generally human-readable only.
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mkdir's “-p” option
...stion I have, but it's one I can't find the answer to. I'm confused about what the -p option does in Unix. I used it for a lab assignment while creating a subdirectory and then another subdirectory within that one. It looked like this:
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Getting a timestamp for today at midnight?
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$timestamp = strtotime('today midnight');
You might want to take a look what PHP has to offer: http://php.net/datetime
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What does rake db:test:prepare actually do?
I am following the rails tutorial videos and I can't figure out what the db:test:prepare command actually does. Can someone provide an explanation?
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