<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0">
  <channel>
    <title>sWWW - Sylwester Wojnowski - Code For The Web</title>
    <link>https://wojnowski.net.pl/</link>
    <description>Web Development articles and code. Category: Maths</description>
    <generator>sWWWRSSGenerator</generator>
    <copyright>2026 Sylwester Wojnowski. All rights reserved.</copyright>
    <category>Information Technology</category>
    <language>en-us</language>
    <image>
      <link>https://swww.com.pl/</link>
      <url>https://swww.com.pl/media/img/post/swww_144.png</url>
      <title>sWWW - Sylwester Wojnowski - Code For The Web</title>
    </image>
    <pubDate>Tue, 28 Jul 2020 00:28:15 +0100</pubDate>
    <item>
      <title>Turning OOP class to graph for better code composition and understanding</title>
      <pubDate>Tue, 28 Jul 2020 00:28:15 +0100</pubDate>
      <guid>http://swww.com.pl/main/index/turning-oop-class-to-graph-for-better-code-composition-and-understanding</guid>
      <description>Article on perceiving OOP classes and objects based on them as graphs and advantages this approach yields.</description>
    </item>
    <item>
      <title>Using arrow functions for recursive post-order tree traversal</title>
      <pubDate>Fri, 24 Jul 2020 00:31:31 +0100</pubDate>
      <guid>http://swww.com.pl/main/index/using-arrow-functions-for-recursive-post-order-tree-traversal</guid>
      <description>Using JavaScript arrow functions for post-order based tree data structure traversal.</description>
    </item>
    <item>
      <title>Transforming range of variable to 0 to 1 and custom ranges</title>
      <pubDate>Sat, 18 Jul 2020 00:39:07 +0100</pubDate>
      <guid>http://swww.com.pl/main/index/transforming-range-of-variable-to-0-to-1-and-custom-ranges</guid>
      <description>Learn how to transform variable's range to [0,1] or a custom range.</description>
    </item>
    <item>
      <title>Checking trees for sameness with recursion and spaceship operator in PHP</title>
      <pubDate>Thu, 16 Jul 2020 14:51:53 +0100</pubDate>
      <guid>http://swww.com.pl/main/index/checking-trees-for-sameness-with-recursion-and-spaceship-operator-in-php</guid>
      <description>Learn how to check whether two trees are the same using a recursive algorithm or the spaceship operator in PHP.</description>
    </item>
    <item>
      <title>Two indispensable formulas for percentages</title>
      <pubDate>Wed, 15 Jul 2020 11:21:05 +0100</pubDate>
      <guid>http://swww.com.pl/main/index/two-indispensable-formulas-for-percentages</guid>
      <description>Two very useful formulas for percentages with examples of use.</description>
    </item>
    <item>
      <title>Recursively updating deeply nested arrays in PHP</title>
      <pubDate>Tue, 14 Jul 2020 11:08:06 +0100</pubDate>
      <guid>http://swww.com.pl/main/index/recursively-updating-deeply-nested-arrays-in-php</guid>
      <description>An article on recursively updating deeply nested arrays using array_walk_recursive and custom nested array traversal function in PHP.</description>
    </item>
    <item>
      <title>Finding Minimum Spanning Tree with Prim's Algorithm and PHP</title>
      <pubDate>Mon, 02 Mar 2020 02:10:42 +0000</pubDate>
      <guid>http://swww.com.pl/main/index/finding-minimum-spanning-tree-with-prims-algorithm-and-php</guid>
      <description>Finding minimum spanning trees using implementation of Prim's algorithm written in PHP programming language.</description>
    </item>
    <item>
      <title>Binary Search algorithm advanced implementation in PHP</title>
      <pubDate>Mon, 17 Feb 2020 00:41:03 +0000</pubDate>
      <guid>http://swww.com.pl/main/index/binary-search-algorithm-advanced-implementation-in-php</guid>
      <description>Advanced implementation of Binary Search algorithm in PHP programming language, which allows for custom comparison functions and multiple value returns.</description>
    </item>
    <item>
      <title>Binary Search algorithm implementation in PHP</title>
      <pubDate>Sun, 16 Feb 2020 00:43:24 +0000</pubDate>
      <guid>http://swww.com.pl/main/index/binary-search-algorithm-implementation-in-php</guid>
      <description>Binary search algorithm and its recursive implementation in PHP programming language.</description>
    </item>
    <item>
      <title>Number of unique paths in square lattice</title>
      <pubDate>Fri, 14 Feb 2020 21:45:36 +0000</pubDate>
      <guid>http://swww.com.pl/main/index/number-of-unique-paths-in-square-lattice</guid>
      <description>Building a square lattice and finding number of unique paths in it with PHP programming language.</description>
    </item>
    <item>
      <title>Week day number falling on a month day</title>
      <pubDate>Fri, 14 Feb 2020 01:51:58 +0000</pubDate>
      <guid>http://swww.com.pl/main/index/week-day-number-falling-on-a-month-day</guid>
      <description>A brief text on how to find a day of the week which falls on a given day of the month for all months over a period of time with PHP programming language.</description>
    </item>
    <item>
      <title>Walking pyramid graph paths in PHP</title>
      <pubDate>Wed, 12 Feb 2020 19:53:09 +0000</pubDate>
      <guid>http://swww.com.pl/main/index/walking-pyramid-graph-paths-in-php</guid>
      <description>Collecting data from all paths in a graph recursively.</description>
    </item>
    <item>
      <title>Longest Collatz sequence in PHP</title>
      <pubDate>Sat, 08 Feb 2020 23:30:22 +0000</pubDate>
      <guid>http://swww.com.pl/main/index/longest-collatz-sequence-in-php</guid>
      <description>The longest Collatz sequence for input less than N in PHP programming language.</description>
    </item>
    <item>
      <title>Number of primes less than N</title>
      <pubDate>Tue, 04 Feb 2020 20:33:40 +0000</pubDate>
      <guid>http://swww.com.pl/main/index/number-of-primes-less-than-n</guid>
      <description>Sieve of Eratosthenes algorithm implementation for finding prime numbers less than a number.</description>
    </item>
    <item>
      <title>Finding permutations with Heap algorithm in PHP</title>
      <pubDate>Thu, 26 Oct 2017 16:54:32 +0100</pubDate>
      <guid>http://swww.com.pl/main/index/finding-permutations-with-heap-algorithm-in-php</guid>
      <description>Heap algorithm for finding permutations of n items implementation in PHP programming language.</description>
    </item>
    <item>
      <title>Arrangements with repetition implementation in PHP</title>
      <pubDate>Sun, 08 Oct 2017 14:29:33 +0100</pubDate>
      <guid>http://swww.com.pl/main/index/arrangements-with-repetition-implementation-in-php</guid>
      <description>Article on implementing arrangements with repetition recursively in PHP programming language.  </description>
    </item>
    <item>
      <title>Matrix transpose operator implementation in PHP</title>
      <pubDate>Thu, 05 Oct 2017 21:49:26 +0100</pubDate>
      <guid>http://swww.com.pl/main/index/matrix-transpose-operator-implementation-in-php</guid>
      <description>Article on implementing matrix transpose operator in PHP programming language. Contains commented code and use examples.</description>
    </item>
    <item>
      <title>Compound interest in PHP part 1</title>
      <pubDate>Wed, 20 Sep 2017 00:25:21 +0100</pubDate>
      <guid>http://swww.com.pl/main/index/compound-interest-in-php-part-1</guid>
      <description>Compound interest and implementation of it in PHP programming language.</description>
    </item>
    <item>
      <title>Traversing array from the middle in PHP</title>
      <pubDate>Wed, 30 Aug 2017 15:51:20 +0100</pubDate>
      <guid>http://swww.com.pl/main/index/traversing-array-from-the-middle-in-php</guid>
      <description>Article on middle-item-first array traversing schemes implemented in PHP with code examples.</description>
    </item>
    <item>
      <title>Square pyramidal numbers and implementing them in PHP</title>
      <pubDate>Sat, 19 Aug 2017 14:24:59 +0100</pubDate>
      <guid>http://swww.com.pl/main/index/square-pyramidal-numbers-and-implementing-them-in-php</guid>
      <description>Article on square pyramidal numbers and finding them using a piece of code written in PHP programming language.</description>
    </item>
  </channel>
</rss>
