After a recent upgrade of ColdFusion 2016 to ColdFusion 2021 on one of the Linux servers, we noticed strange behavior. The CFHTTP call was sometimes working fine, and sometimes it…
It is not that often to work with XML nowadays (at least – for our clients), but we have such a task from time to time. Today, I was asked…
We’ve got a handful of “old” AWS EC2 instances, running small t2.micro, t2.nano, and t2.small instances. From time to time we have to change the instance type to a larger…
I have written a few words about SSL certificates and modern browsers in my article back in 2020: SSL issues — how to deal with IIS and modern browsers requirements…
We encountered this issue when moving the database from the old server to the new one. Everything looked fine, there was access to tables (select, insert, update, delete) but when…
You may encounter this error in ColdFusion when working with MySQL. It is rather strange: First, let’s talk about the solution. This error occurs due to the MySQL Connector version…
If you still happen to use ColdFusion 2016 and you want to connect it to MySQL 8 (or MariaDB 10), you will receive the following error: It is not telling…
In order to secure assets such as scripts, styles, media on the site, the Content-Security-Policy header is used. It is handy to mitigate data injection attacks and XSS attacks among…
I had to duplicate the DynamoDB table a few times recently. Here is the quick way to do this using CLI (AWS Console). I assumed that you have your AWS…
I have to prepare several Raspberry Pi boards for some of our small projects. We have a bunch of SD cards we can use. I want to determine which one…