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fork() branches more than expected?

... when i=0 Process_1: Buffered text= 1 dot Process_2(created by Process_1): Buffered text= 1 dot when i=1 Process_3(created by Process_1): Inherit 1 buffered dot from Process_1 and prints 1 dot by itself. In total Process_3 prints 2 dots. ...
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Clojure: reduce vs. apply

... the ultimate result returned) for associative functions which need to see all their arguments in the variable-arity case. When they are result-wise equivalent, I'd say that apply is always perfectly idiomatic, while reduce is equivalent -- and might shave off a fraction of a blink of an eye -- in a...
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Why Choose Struct Over Class?

...es in many circumstances. Structs are preferable if they are relatively small and copiable because copying is way safer than having multiple references to the same instance as happens with classes. This is especially important when passing around a variable to many classes and/or in a multithreaded...
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ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]

...I went ahead and created it in the first place :). Using pure Lucene is challenging. There are many things that you need to take care for if you want it to really perform well, and also, its a library, so no distributed support, it's just an embedded Java library that you need to maintain. In term...
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Rails: How does the respond_to block work?

...html The Responder does NOT contain a method for .html or .json, but we call these methods anyways! This part threw me for a loop. Ruby has a feature called method_missing. If you call a method that doesn't exist (like json or html), Ruby calls the method_missing method instead. http://ruby-meta...
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^M at the end of every line in vim

...g to do with editing a file in windows and then in linux. How can I remove all of these automatically? 9 Answers ...
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How can I delete Docker's images?

... In order to delete all images, use the given command docker rmi $(docker images -q) In order to delete all containers, use the given command docker rm $(docker ps -a -q) Warning: This will destroy all your images and containers. It will n...
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Download multiple files with a single action

... don't portably parse multipart responses from the server side, but technically there's nothing difficult with doing this. – CMCDragonkai Jul 27 '18 at 4:25 2 ...
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How does one unit test routes with Express?

...rocess of learning Node.js and have been playing around with Express . Really like the framework;however, I'm having trouble figuring out how to write a unit/integration test for a route. ...
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What are unit tests, integration tests, smoke tests, and regression tests?

...re we just check that when the system under test is invoked it returns normally and does not blow up. Smoke testing is both an analogy with electronics, where the first test occurs when powering up a circuit (if it smokes, it's bad!)... ... and, apparently, with plumbing, where a system of pipes i...