Tag: 101

Posted on

Git 101: Creating a Git Repo and Uploading It To GitHub

In this post, I’m going to discuss how to create a GitHub repo and upload (or “push”) it to GitHub, a popular service for hosting Git repositories.

What is revision control and why do I need it?

The concept of revision control is a system which tracks changes to files. In programming, that is usually program code, but documents and text files can also be tracked. Using revision control will give the following benefits:

  • You will know what was changed, when it was changed, and who changed it
  • Multiple people can collaborate on a project without fear of overwriting each others’ changes.
  • Protection against accidentally deleting a critical file. (revision history is usually read-only)

In GitHub, we store revisions in “repositories” or “repos” for short. As of this writing, the #1 service for storing Git repositories is GitHub. They offer free hosting for Git repositories.

Continue reading “Git 101: Creating a Git Repo and Uploading It To GitHub”
Posted on

Multi Core CPU Performance in GoLang

I’ve been playing around with Google’s programming language known simply as Go lately, and have learned quite a bit about concurrency, parallelism, and writing code to effectively use multiple CPU cores in the process.

An Overview of Go

Pictured: Not A Serial Killer

If you are used to programming at the systems level, Go is effectively a replacement for C, but also has higher level functionality.

  • It is strongly typed
  • It can be compiled
  • It has its own unit testing framwork
  • It has its own benchmarking framework
  • Doesn’t support classes, but supports structures and attaching functions to variables instantiated from those structures
  • Doesn’t expose threads, but instead uses a construct called “channels” for communication between different parts of a Go program. More on channels shortly.
Continue reading “Multi Core CPU Performance in GoLang”