Blocking POST, TRACE and PUT requests with HAProxy.

A short guide on how to allow or deny certain HTTP methods using HAProxy.

Prevent unwanted domains from forwarding to Nginx.

A short guide on how to prevent spammy domains from forwarding to your Nginx web server.

PHP: Calculate the ratio between two numbers.

This is a short guide on how to calculate the ratio between two numbers using PHP.

Link existing Facebook page to Facebook app.

A guide on how to link an existing Facebook page to a Facebook app.

Using a local WSDL file with PHP SoapClient.

This is a short guide on how to use a local WSDL file with the PHP SoapClient object.

Facebook adding “fbclid” parameter to outbound links.

Last week, I noticed that Facebook had started to attach a query parameter called “fbclid” to outbound links.

PHP trend / forecast function.

Emulating Excel’s TREND / FORECAST function in PHP.

PHP-FPM settings tutorial. max_servers, min_servers, etc.

A guide on selecting the correct www.conf settings for PHP-FPM.

Guide: Upgrading HAProxy from 1.6 to 1.8 on Ubuntu 16.04.4 LTS (Xenial).

This post details the steps that I took to upgrade HAProxy from 1.6 to 1.8 on Ubuntu 16.04.4 LTS (Xenial).

ngx_slab_alloc() failed: no memory in SSL session shared cache “le_nginx_SSL”

An SSL issue that I ran into the other day.

Incorrect validation certificate for tls-sni-01 challenge.

The other day, I came across a frustrating issue while attempting to renew the Let’s Encrypt SSL certificate on my haproxy load balancer.

The best Audacity settings for Blue Snowball Microphone.

This is a short Audacity tutorial on how to “clean up” recordings that you’ve made with the Blue Snowball microphone.

PHP: Send POST request WITHOUT cURL.

This is a short PHP tutorial on how to send a HTTP POST request without using cURL.

Fixing “Uncaught error: Call to undefined function curl_init”

This is a common error that occurs whenever PHP’s curl extension has not been installed or enabled.

PHP: Get a list of included PHP files.

This is a PHP tutorial on how to get a list of files that have been included in your script.

Copy a file with PHP.

This is a short tutorial on how to copy files using PHP.

Call to undefined function mysql_connect()

If you are encountering this undefined error, then it means that you are trying to use the old mysql_* functions in PHP 7.

Secure PHP logout script.

This is a short PHP tutorial on how to create a simple user logout script that guards against CSRF attacks.

The logon process was unable to display security and logon options.

The other day, when my PC became unbearably slow, I decided to press the Ctrl+Alt+Del command.

Fixed: spoolsv.exe causing high CPU usage.

In this guide, we will show you what to do if the spoolsv.exe process on your Windows PC is causing high CPU usage.

PHP: Detect if operating system is Windows.

This is a PHP tutorial on how to check if the operating system is Windows.

Infinite loops with PHP.

This is a short guide on how to create an infinite loop using PHP.

Linux: Delete files older than 30 days.

This is a short guide on how to use the Linux find utility to remove old files.

Autoloading PHP classes that use namespaces

This is a basic tutorial on autoloading PHP classes that use namespaces.

Tutorial: Subtracting numbers using PHP.

This is a beginners tutorial on how to do basic subtraction in PHP. The aim of this tutorial is to help developers who are completely new to the language.

Send JavaScript object via Ajax to PHP script.

This is a short guide on how to send a JavaScript object to a PHP script using an Ajax request.

JSON.stringify returning empty string / object.

The other day, I came across an issue where the JSON.stringify method failed to convert one of my objects into a JSON string.

MySQL: INT(11) vs TINYINT(1) – What do the numbers in brackets mean?

When it comes to columns such as INT (11) and TINYINT (3), the number in brackets isn’t actually that important.

Force HTTPS with HAProxy.

This is a short tutorial on how to force HTTPS / SSL with the HAProxy load balancer.

Releasing session locks in PHP.

A short and simple guide to releasing session locks in PHP.

SSL with HAProxy and PHP: Forwarding HTTPS header.

A short guide on how to forward HTTPS headers with HAProxy so that PHP knows what protocol is being used.

How to kill Ivy.

A short article that discusses the different methods that are often used to kill English Ivy.

PHP SoapClient: Failed to load external entity.

Unfortunately, PHP’s SoapClient isn’t great at importing multiple XSD files.

JavaScript Date: One week ago.

This is a short tutorial on how to create a JavaScript date that is “7 days ago” or “30 days ago”.

Vauxhall Limp Mode: Losing Acceleration (P2282)

For the past couple of months, my Vauxhall Insignia has been going into limp mode because of a tear in the Turbo Intercooler Pipe.