Ryadel

Install Postfix 3 on Linux CentOS for sending e-mail over SMTP, SMTPS and STARTTLS A brief tutorial explaining how to install and configure Postfix 3 on a Linux CentOS 7.x machine to send e-mail using SMTP (TCP 25), SMTPS (TCP 465) and/or STARTTLS (TCP 587)

April 2, 2018April 24, 2019 - by Ryan - 5 Comments.

Few days ago I wrote a post about how to install and configure sSMTP, a simple and free alternative to Postfix and Sendmail which can be used to send e-mail through …

How to install PHP 7 on Linux CentOS A useful guide to understand how to securely install and setup PHP 7.1, PHP 7.2 and/or other PHP builds on a Linux CentOS machine

April 1, 2018April 2, 2018 - by Ryan - Leave a Comment

Since we recently posted an article about downgrading from PHP 7.2 to PHP 7.1 on CentOS, we thought that it could be useful to add a post explaining how to …

Coding / Linux / Operating Systems / PHP / Servers & Services / Web

How to downgrade PHP version on Linux CentOS How to securely roll-back to a previous version and/or build of PHP - for example, from PHP 7.2 to PHP 7.1 - in a Linux CentOS machine

March 31, 2018April 2, 2018 - by Ryan - 1 Comment

PHP 7.2 release introduced many breaking changes that could prevent some of your application from working properly. Among the many backward-incompatible improvements, perhaps the most crippling one is what they called …

Coding / SQL

SQL - The ntext data type cannot be selected as DISTINCT because it is not comparable - How to Fix How to fix the "The ntext data type cannot be selected as DISTINCT because it is not comparable" error affecting MS SQL Server and other DBMS based on T-SQL

March 20, 2018January 7, 2021 - by Ryan - Leave a Comment

If you've stumbled upon this post you're probably dealing with a SQL / T-SQL query which is either doing: a DISTINCT on a column having ntext data type. a JOIN with multiple …

Coding / PHP / SEO & Marketing / Web

WordPress - How to hide a Category from Front page, Archives, Feeds, Searches and Category Widget A great plugin to exclude a category from your WordPress Web Site... and a neat PHP script to deal with the Category Widget as well

March 13, 2018March 13, 2018 - by Ryan - 2 Comments.

When dealing with a WordPress Web Site you might want to hide or exclude one or more Categories without actually deleting them: in other words, to prevent them from being …

Coding

The Importance of Coding and Your Child's Future Learning the basics of software development and dealing with computer languages can be the best way to succed in this challenging world

March 11, 2018May 22, 2022 - by Melissa Geens - Leave a Comment

It should come as no surprise that the number of jobs that require coding skills continues to increase every year. As we become more and more tech-reliant, our need for …

Coding / PHP / Web

WordPress - How to Fix Home Page Caching Issues by setting the Last-Modified response Header to the most recent post An effective workaround to overcome a common WordPress problem that might cripple your SEO efforts

March 10, 2018March 10, 2018 - by Ryan - 2 Comments.

If you're reading this, it probably means that you are experiencing an odd behaviour on your WordPress home page: you are often unable to see your most recent posts, as …

ASP.NET / C# / Coding / Operating Systems / Windows

cURL and Wget alternatives for Windows Command Prompt with Powershell Some great Powershell alternatives to the Linux GNU Wget and cURL type command-line utilities using the System.Net namespace

March 2, 2018January 7, 2021 - by Ryan - Leave a Comment

Today I had to find a way to execute a repeatable series of HTTP requests addressed to a Web Server from a Windows 10 machine. If it were a Linux …

Coding / HTML & CSS / Web

CSS3 Media Query to target only Internet Explorer (from IE6 to IE11+), Firefox, Chrome, Safari and/or Edge A set of useful CSS3 media queries to target only specific versions of the various browsers: Internet Explorer, Mozilla Firefox, Google Chrome, Apple Safari and Microsoft Edge

February 27, 2018March 11, 2018 - by Ryan - 6 Comments.

If you're a HTML developer you most likely know that there are times when you need to selectively apply some styles to a specific browser, or to a specific version/build …

ASP.NET / C# / Coding

ASP.NET C# - System.IO.IOException: process can't access the file because it is being used by another process in File.ReadAllBytes - How to fix it

February 23, 2018January 7, 2021 - by Ryan - 3 Comments.

Any non-novice C# developer definitely knows the File.ReadAllBytes method, which is a widely used way to read a file contents in memory. The method is basically a wrapper that opens …