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How to stop app that node.js express 'npm start'

... npm help npm-scripts prestop, stop, poststop: Run by the npm stop command. Set one of the above in your package.json, and then use npm stop npm help npm-stop You can make this really simple if you set in app.js, process.title = myApp; And, then in scripts.json, "scripts": { "star...
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What is the difference between trie and radix trie data structures?

Are the trie and radix trie data structures the same thing? 3 Answers 3 ...
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Initialising an array of fixed size in python [duplicate]

...ets the requirements of the question because you have a defined size array and you can index one of the five elements without getting an IndexError. This is the closest thing to the C expression. – user2233706 Oct 26 '14 at 17:43 ...
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Reading output of a command into an array in Bash

I need to read the output of a command in my script into an array. The command is, for example: 3 Answers ...
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sed: print only matching group

...the last two numbers (one int, one float; followed by optional whitespace) and print only them. 5 Answers ...
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Performance difference for control structures 'for' and 'foreach' in C#

...corlib]System.IDisposable::Dispose() IL_002f: endfinally } // end handler IL_0030: ret } // end of method Test::IterateOverList The compiler treats arrays differently, converting a foreach loop basically to a for loop, but not List<T>. Here's the equivalent code for an array: sta...
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Checking for NULL pointer in C/C++ [closed]

...ol NULL. They do not expose the opportunity for the accidental assignment. And they are clear and succinct. Edit: As SoapBox points out in a comment, they are compatible with C++ classes such as auto_ptr that are objects that act as pointers and which provide a conversion to bool to enable exactly...
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Android View.getDrawingCache returns null, only null

... I was having this problem also and found this answer: v.setDrawingCacheEnabled(true); // this is the important code :) // Without it the view will have a dimension of 0,0 and the bitmap will be null v.measure(MeasureSpec.makeMeasureSpec(0, Me...
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Best way to make Java's modulus behave like it should with negative numbers?

... of the negative values of a, since (a % b) is a negative value between -b and 0, (a % b + b) is necessarily lower than b and positive. The last modulo is there in case a was positive to begin with, since if a is positive (a % b + b) would become larger than b. Therefore, (a % b + b) % b turns it in...
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Fastest way to remove first char in a String

...foo" instead of "//foo". The first option needs a bit more work to understand than the third - I would view the Substring option as the most common and readable. (Obviously each of them as an individual statement won't do anything useful - you'll need to assign the result to a variable, possibly d...