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Where can I learn how to write C code to speed up slow R functions? [closed]

...ds C++ and Rcpp to be much more like writing R than writing C++. YMMV and all that. share | improve this answer | follow | ...
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How to remove an item from an array in AngularJS scope?

... Your issue is not really with Angular, but with Array methods. The proper way to remove a particularly item from an array is with Array.splice. Also, when using ng-repeat, you have access to the special $index property, which is the current inde...
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What is the “__v” field in Mongoose

... now, but I wanted something that I could put in the Schema directly so in all queries. – diosney Mar 24 '14 at 11:52 ...
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Syntax Error: Not a Chance

...ng blocks by braces instead of indentation will never be implemented. Normally, imports from the special __future__ module enable features that are backwards-incompatible, such as the print() function, or true division. So the line from __future__ import braces is taken to mean you want to enable ...
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How do I get an object's unqualified (short) class name?

... You can do this with reflection. Specifically, you can use the ReflectionClass::getShortName method, which gets the name of the class without its namespace. First, you need to build a ReflectionClass instance, and then call the getShortName method of that instance:...
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Alternatives to JavaScript

...ipt is like Java because it has similar syntax and a similar name, but actually it's a lot more like lisp. It's actually pretty well suited to DOM manipulation. The real problem is that it's compiled by the browser, and that means it works in a very different way depending on the client. Not only ...
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Command to change the default home directory of a user

... @Dominik thanks -- there's a chance it's different based on OS (Mac vs Linux vs BSD, etc), of course it could also just be incorrect – STW Oct 21 '19 at 17:52 a...
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How to add semicolon after method call when inside parameter list in IntelliJ IDEA?

... For Windows or Linux users, Ctrl+Shift+Enter. For macOS/OS X users, ⌘ Command+⇧ Shift+Enter. That finishes the statement you're currently writing. Try it in a few different situations, like in if statements, for loops etc, and you'll see that it'll complete the line and op...
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Best algorithm for detecting cycles in a directed graph [closed]

What is the most efficient algorithm for detecting all cycles within a directed graph? 14 Answers ...
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How can I implement a tree in Python?

... I came across this answer via Google. This library is really nice. I especially love the ability to use the mixin class to make an tree of any object! – Rÿck Nöthing Mar 8 '19 at 1:21 ...