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How to execute shell command in Javascript

...Except for one thing. You'll get the error "child is not a function". The call to exec() executes the command - no need to call child(). Unfortunately, the callback isn't called whenever the child process has something to output - it is called only when the child process exits. Sometimes that's OK a...
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What is the difference between native code, machine code and assembly code?

...ece of metal that does the actual work) understands and executes directly. All other code must be translated or transformed into machine code before your machine can execute it. Native code: This term is sometimes used in places where machine code (see above) is meant. However, it is also sometimes...
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Scalar vs. primitive data type - are they the same thing?

...ce of scalars and primitives, it depends on the language. According to the PHP manual, for example, only half of its primitive types are scalars: php.net/manual/en/language.types.intro.php – Joe Bowbeer May 16 '16 at 18:36 ...
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No increment operator (++) in Ruby? [duplicate]

... Regarding point #3, since most things are objects, imagine if Ruby allowed you to do this: 1++ 1+2 # Would not be 3! – Johntron Feb 5 '13 at 13:46 ...
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How to split a file into equal parts, without breaking individual lines? [duplicate]

...s wondering if it was possible to split a file into equal parts ( edit: = all equal except for the last), without breaking the line? Using the split command in Unix, lines may be broken in half. Is there a way to, say, split up a file in 5 equal parts, but have it still only consist of whole lines ...
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Using Laravel Homestead: 'no input file specified'

... Instead of reinstalling try vagrant up --provision or homestead up --provision share | improve this answer | fo...
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What's the “average” requests per second for a production web application?

... second vs. requests per second. I think requests/second is in that same ballpark(100 to 200) but with streaming it shoots up to 1140 records / second (doing ndjson). Anyways thought I would share more numbers. (not sure if this will change as that was tested streamed through 2 microservices into...
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AngularJS Folder Structure [closed]

... By Type On the left we have the app organized by type. Not too bad for smaller apps, but even here you can start to see it gets more difficult to find what you are looking for. When I want to find a specific view and its controller, they are in different folders. It can be good to start here if yo...
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Grasping the Node JS alternative to multithreading

...l so it can perform blocking operations and notify the main thread with a callback or event when things complete. So I imagine that it will make limited use of another core for the thread pool, for example if you do a non-blocking file system read this is likely implemented by telling a thread fro...
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How to display request headers with command line curl

... @SergeyVlasov Actually, the equivalent of /dev/null in Windows is nul, not null. – Francisco Zarabozo Dec 11 '17 at 7:37 3 ...