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Freelance PHP Developer based in Manchester, UK

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About Paul

Paul is a freelance PHP developer and Linux system administrator based in Manchester, UK.

Project Euler: Problem 5

Posted by By Paul June 25, 2020Posted inProject EulerNo Comments
Problem: Find the smallest number with all the integers 1 to 20 as factors (i.e. divisible without a remainder). Q. What is the simplest way to find the lowest number…
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Project Euler: Problem 4

Posted by By Paul June 18, 2020Posted inProject EulerNo Comments
Problem: Find the longest palindrome made from the product of two three-digit numbers. Q: How do we work out if a number is a palindrome?A: Convert it to a string…
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Project Euler: Problem 3

Posted by By Paul June 8, 2020Posted inProject Euler1 Comment
Problem: What is the highest prime factor of n? In this case: n = 600851475143 Q: What is the simplest way to find the highest prime factor of n?A: Try dividing…
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Project Euler: Problem 2

Posted by By Paul May 29, 2020Posted inProject EulerNo Comments
Problem: Find the sum of all the even numbers in the Fibonacci sequence whose values do not exceed 4 million. Q: What is the minimum section of the sequence that…
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Project Euler: Problem 1

Posted by By Paul May 20, 2020Posted inProject EulerNo Comments
Problem: Find the sum of all numbers below 1000 which are a multiple of 3 or 5. Solution: Given the numbers involved, we can simply brute-force the answer by simply…
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Invoice Ninja and Vagrant

Posted by By Paul April 18, 2019Posted inAnsible, Business, Laravel, VagrantNo Comments
Invoice Ninja is a self-hosted and open source invoicing solution written using a PHP framework called Laravel. I wanted to give it a try as a replacement for my existing…
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Opening start menu with the Windows key in Xubuntu

Posted by By Paul April 13, 2019Posted inUbuntuNo Comments
My distribution of choice for all my non-server machines is Xubuntu, due to its stripped down and low resource usage desktop environment. One thing that has irked me for ages…
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Keeping an idle SSH connection alive

Posted by By Paul April 4, 2019Posted inSSHNo Comments
One of the servers which I login to on a regular basis has the annoying habit of dropping any SSH connections where there has been no activity for more than…
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Terms of Business Agreements

Posted by By Paul February 6, 2019Posted inBusinessNo Comments
One of the most important things about running your own business is deciding on the terms under which you will supply goods and services to clients. These are often contained…
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Moving unstaged changes to another branch in Git

Posted by By Paul January 23, 2019Posted inGit, Version ControlNo Comments
If you move around between different branches a lot in Git, you might find that you accidentally make some changes on the wrong branch and only realise this when it…
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Contact details

Paul Waring
paul@phpdeveloper.org.uk
07999 030 251
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Recent Posts

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