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Using arrays or std::vectors in C++, what's the performance gap?

In our C++ course they suggest not to use C++ arrays on new projects anymore. As far as I know Stroustroup himself suggests not to use arrays. But are there significant performance differences? ...
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How to Update Multiple Array Elements in mongodb

I have a Mongo document which holds an array of elements. 15 Answers 15 ...
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Split string into an array in Bash

... Bash script I would like to split a line into pieces and store them in an array. 22 Answers ...
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How do I select elements of an array given condition?

Suppose I have a numpy array x = [5, 2, 3, 1, 4, 5] , y = ['f', 'o', 'o', 'b', 'a', 'r'] . I want to select the elements in y corresponding to elements in x that are greater than 1 and less than 5. ...
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What is the difference between char array and char pointer in C?

...ent types, but it's not immediately apparent in all cases. This is because arrays decay into pointers, meaning that if an expression of type char[] is provided where one of type char* is expected, the compiler automatically converts the array into a pointer to its first element. Your example functi...
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Determine if string is in list in JavaScript

... The only problem with Array.prototype.indexOf is that it will not work on IE, sadly even IE8 lacks this method. – Christian C. Salvadó Mar 12 '10 at 2:24 ...
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Oracle PL/SQL - How to create a simple array variable?

I'd like to create an in-memory array variable that can be used in my PL/SQL code. I can't find any collections in Oracle PL/SQL that uses pure memory, they all seem to be associated with tables. I'm looking to do something like this in my PL/SQL (C# syntax): ...
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How do I create an empty array/matrix in NumPy?

I can't figure out how to use an array or matrix in the way that I would normally use a list. I want to create an empty array (or matrix) and then add one column (or row) to it at a time. ...
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Deleting array elements in JavaScript - delete vs splice

What is the difference between using the delete operator on the array element as opposed to using the Array.splice method ? ...
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What is stdClass in PHP?

... An easy way to consider the StdClass is as an alternative to associative array. See this example below that shows how json_decode() allows to get an StdClass instance or an associative array. Also but not shown in this example, SoapClient::__soapCall returns an StdClass instance. <?php //Examp...