## Article of the week

### Matrix transpose operator implementation in PHP

05 Oct 2017 21:49:26

Article on implementing matrix transpose operator in PHP programming language. Contains commented code and use examples.

If you look for a computer programming challenge, you'll certainly find a few decent ones implementing concepts Linear Algebra deals with. One of simpler operations, at least on the paper, one carries out on the matrix is switching rows and columns indices along the main ...

## Popular articles

21 Dec 2016 11:07:56

### Genericons unicode values

List of Unicode code points for Genericons vector icon set and a BASH script that finds the codes.

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### Sorting UTF-8 strings in PHP

Sorting UTF-8 encoded strings using strcoll and usort functions or alternatively Collator library in PHP.

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### Traversing trees in pre-order recursively in PHP

Article on traversing tree data structure depth-first in pre-order recursively with examples in PHP programming language.

05 Oct 2017 21:49:26

### Matrix transpose operator implementation in PHP

Article on implementing matrix transpose operator in PHP programming language. Contains commented code and use examples.

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### Setting home and siteurl dynamically in Wordpress

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### Finding permutations with Heap algorithm in PHP

Heap algorithm for finding permutations of n items implementation in PHP programming language.

## Recent articles

28 Nov 2016 20:53:05

### Find total of a column of numbers with BASH

Suppose you have a file with a long list of items followed or perhaps preceded by whole numbers and you are asked to find the total of those numbers. The file might look like this (case 1): aaa:23 bb:2 ccc:98 . . . or perhaps like this (case ...