Tag: lessons learned

“No url found for submodule path” errors can be tricky to track down; if you think you have all your submodules set up correctly. I ran into this very issue today! I cloned one of my team’s repositories and could not then pull the submodules due to this error....

Include the right version right in your repo; provide a custom command to update CPM.cmake — example Setup cmake_modules path — example CMake Best Practices CMake is a cross-platform build system that can be used to build, test, and package software projects. One of the most powerful features of...

C++17 is a version of the C++ programming language that was standardized in 2017, and adds additonal new features and improvements to what is considered “modern C++”. Some major new features that I have really loved in C++17 include: In embedded systems, support for C++17 will depend on the...

I recently had the opportunity, or the critical need rather, to optimize the boot time of some applications on an iMX6ULL processor. For anyone unfamiliar with this processor, it is a single core ARM processor running a Cortex-A7 core at up to 900 MHz. It provides a number of...

Generating a kernel configuration fragment is a common task in kernel development when working with the Yocto Project. Configuration fragments are extremely useful to define groups of kernel configuration options that you can then reuse between projects simply by adding the fragment to your kernel bbappend file. For example,...

Be careful in your choice of object model in use in Python because it can cause strange behavior in multithreaded applications!...

If you’re a developer, coder, or software engineer and have not been hiding under a rock, then you’re probably familiar with Git. Git is a distributed version control system that helps developers track changes to their code and collaborate with others. While Git can be a bit complex (especially...