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12 tough Bootstrap 5 quiz questions for web developers

Just how well do you know Bootstrap 5? These 12 tough Bootstrap quiz questions will test your mettle.

Why you must avoid ScrumBut at all costs

How do Scrum and ScrumBut compare? Darcy DeClute explains why ScrumBut is bad, and how you can avoid this Agile anti-pattern and stay true to Scrum's core principles.

Ageism in software engineering is still a problem

Many developers want to program right up to retirement, but the reality of age discrimination unfairly hampers their career plans. Here's how to pitch experience as an asset.

Binary and hexadecimal numbers explained for developers

For developers who are intimidated by bit shifts and hex operation, here's a thorough explanation of how binary and hexadecimal number systems work.

A 12-factor app principles quiz for cloud-native developers

The 12-factor app principles are a must for those who perform cloud-native development. Try your hand at this 12-factor quiz to test your knowledge on the fundamentals.

Coffee Talk: News & Insight

Rest vs GraphQL: Performance and ease of use comparisons
Bob Reselman 25 Jan 2022
Representational State Transfer, popularly known as REST, is all the rage these days. Since the specification was first described in Roy Fielding’s seminal ...
Lessons learned from the Log4j 2 vulnerability
Joseph Ottinger 25 Jan 2022
The Log4j 2 vulnerability was a black eye for the Java community. Here's how to protect yourself today, and how the community can protect itself in the future.
why 12 column bootstrap grid system 60 seconds 360 circle
Cameron McKenzie 24 Jan 2022
Ever wonder why they created a 12-column Bootstrap grid system, and not 10 or 15? It's the same reason there's 60 seconds in a minute, or 360 degrees in a ...
Fix Apache ServerRoot Must be a Valid Directory Error HTTP Web server httpd conf srvroot apache24
Cameron McKenzie 22 Jan 2022
Here are three easy ways to fix Apache's ServerRoot Must be a Valid Directory error. Any one of these solutions will get your Apache HTTP server running again.
Putty Key Exchange Algorithm Couldn't Agree Error Fatal EC2 AWS SSH
Cameron McKenzie 22 Jan 2022
This is the first fix to try if you hit the Putty 'Couldn't Agree a Key Exchange Algorithm' error when connecting to an AWS EC2 instance or other server-side ...
Install Apache Web Server 2.4 Windows 10 ServerRoot Error
Cameron McKenzie 22 Jan 2022
Let me step you though the installation of Apache's Web Server on Windows 10. You' learn how to install Apache 2.4 on Windows, and avoid common httpd config ...
The psychology of offering programming advice to developers
Joseph Ottinger 20 Dec 2021
Need to provide programming advice, or perhaps even harsh criticisms to a team of developers? Here's a nice way, pyscyhologically sound, way to do it.
Quickly learn how Kubernetes Operators work from this example
Bob Reselman 06 Dec 2021
Kubernetes (K8S) has become a very popular technology for working with distributed applications that run on the internet. K8S is intended to support an ...
AWS root account best practices
Cameron McKenzie 30 Nov 2021
The credentials of your server's super user must be protected at all costs. Here are five AWS root account best practices to protect yourself from being hacked.
Top 5 things to know about the Jakarta Servlet 6.0 API release
Greg Wilkins 29 Nov 2021
Jakarta EE 10 includes a full increment release of the Servlet API. Here are the top 5 features Java devs will enjoy when the Jakarta Servlet 6.0 API arrives.