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PHP Redirect with POST data

... Generate a form on Page B with all the required data and action set to Page C and submit it with JavaScript on page load. Your data will be sent to Page C without much hassle to the user. This is the only way to do it. A redirect is a 303 HTTP header tha...
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Finding a branch point with Git?

... B. Here are three ways that I found, after a bit of tinkering: 1. visually, with gitk: You should visually see a tree like this (as viewed from master): or here (as viewed from topic): in both cases, I've selected the commit that is B in my graph. Once you click on it, its full SHA is p...
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__proto__ VS. prototype in JavaScript

...x = x; this.y = y; } var myPoint = new Point(); // the following are all true myPoint.__proto__ == Point.prototype myPoint.__proto__.__proto__ == Object.prototype myPoint instanceof Point; myPoint instanceof Object; Here Point is a constructor function, it builds an object (data structure) p...
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Serializing object that contains cyclic object value

...e will come here for is debugging their circular objects and there's not really a great way to do that without pulling in a bunch of code, here goes. One feature that's not as well-known as JSON.stringify() is console.table(). Simply call console.table(whatever);, and it will log the variable in the...
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How to print a int64_t type in C

... hexadecimal. cppreference.com has a full listing of available macros for all types including intptr_t (PRIxPTR). There are separate macros for scanf, like SCNd64. A typical definition of PRIu16 would be "hu", so implicit string-constant concatenation happens at compile time. For your code to ...
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difference between foldLeft and reduceLeft in Scala

...e between reducing and folding The difference is not the implementation at all, just look at the signatures. The question doesn't have anything to do with Scala in particular, it's rather about the two concepts of functional programming. Back to your question: Here is the signature of foldLeft (c...
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How to join strings in Elixir?

...your list size is arbitrary: Enum.join(["StringA", "StringB"], " ") ... all of the solutions above will return "StringA StringB" share | improve this answer | follow ...
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How to deal with cyclic dependencies in Node.js

... While node.js does allow circular require dependencies, as you've found it can be pretty messy and you're probably better off restructuring your code to not need it. Maybe create a third class that uses the other two to accomplish what you nee...
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What does “mro()” do?

...very attribute you get on a class's instance, not just methods, is conceptually looked up along the __mro__, so, if more than one class among the ancestors defines that name, this tells you where the attribute will be found -- in the first class in the __mro__ that defines that name. ...
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Cosine Similarity between 2 Number Lists

... scientific routines for example, "routines for computing integrals numerically, solving differential equations, optimization, and sparse matrices." It uses the superfast optimized NumPy for its number crunching. See here for installing. Note that spatial.distance.cosine computes the distance, and ...