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How to perform element-wise multiplication of two lists?

... For the benefit of others arriving here from a google search I have included a timeit comparison below. – paddyg Nov 8 '16 at 11:10 add a comment  | ...
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Echo equivalent in PowerShell for script testing

... There are several ways: Write-Host: Write directly to the console, not included in function/cmdlet output. Allows foreground and background colour to be set. Write-Debug: Write directly to the console, if $DebugPreference set to Continue or Stop. Write-Verbose: Write directly to the console, i...
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Returning the product of a list

... Starting Python 3.8, a prod function has been included to the math module in the standard library: math.prod(iterable, *, start=1) which returns the product of a start value (default: 1) times an iterable of numbers: import math math.prod([2, 3, 4]) # 24 Note t...
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How do I catch an Ajax query post error?

...hod work". The latter is usually preferred on SO. Actually, this should be included in the $.post documentation!!! – Mark E. Haase Dec 29 '13 at 18:53 2 ...
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I get exception when using Thread.sleep(x) or wait()

... @Suma There plenty discussion on it, including Stack Overflow itself. Just search for it. Too long for a comment. After a few years, the only answer I have is: it depends. Usually the ideal solution is to terminate whatever the thread is doing gracefully (e.g. r...
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How to interpolate variables in strings in JavaScript, without concatenation?

...can use this javascript function to do this sort of templating. No need to include an entire library. function createStringFromTemplate(template, variables) { return template.replace(new RegExp("\{([^\{]+)\}", "g"), function(_unused, varName){ return variables[varName]; }); } creat...
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How to set the prototype of a JavaScript object that has already been instantiated?

...stantiated in a cross browser way. As others have mentioned, your options include: changing the non standard/cross browser __proto__ property Copy the Objects properties to a new object Neither are particularly great, especially if you have to recursively loop through an object into inner objec...
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What algorithms compute directions from point A to point B on a map?

...peaking as someone who spent 18 months working at a mapping company, which included working on the routing algorithm... yes, Dijkstra's does work, with a couple of modifications: Instead of doing Dijkstra's once from source to dest, you start at each end, and expand both sides until they meet in t...
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Where do “pure virtual function call” crashes come from?

...mization turned off - a simple program could be easily optimized away): #include <iostream> using namespace std; char pool[256]; struct Base { virtual void foo() = 0; virtual ~Base(){}; }; struct Derived: public Base { virtual void foo() override { cout <<"Deri...
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Spring MVC @PathVariable getting truncated

...alue If you change your mapping to /{blahName:.+} as suggested, any dot, including the last one, will be considered as part of your parameter: /param will result in a param with value param /param.json will result in a param with value param.json /param.xml will result in a param with value para...