Bobby Jack

2 weeks ago | howtogeek.com | Bobby Jack

Each Linux command returns an exit code, with 0 indicating success and non-zero values indicating failure. You can use the $? variable to access the exit code and control program flow in scripts. Be cautious of unconventional exit codes that vary between commands, like diff and curl. Every Linux command will print error messages if it fails, but this information is difficult to rely on. Your scripts should make use of exit codes to be as robust as possible. What Are Exit Codes?

3 weeks ago | howtogeek.com | Bobby Jack

macOS offers 3 automation apps: Script Editor, Automator, and Shortcuts, each uniquely designed. Shortcuts is the most modern and user-friendly automation tool for iOS and desktop. Script Editor is best for niche tasks but outdated; Automator is versatile with various workflow types. If there’s a task you carry out repeatedly, stop and think: can you automate it? With these apps, there’s a good chance you can.

3 weeks ago | howtogeek.com | Bobby Jack |Bobby Jack

While Grid and Flex revolutionized web design with their means of accurately laying out content with fewer hacks, they're mechanisms that can be tricky to get your head around. If you're feeling lost, try these excellent tutorials and hands-on sandbox apps. 1 Flexbox Froggy Nearly ten years old, Flexbox Froggy is one of the earliest and most famous examples of interactive CSS learning.

4 weeks ago | howtogeek.com | Bobby Jack

git-who provides comprehensive author-based insights instead of just line-by-line authorship. You can use git-who to identify top contributors, view project hierarchy, and track contributions over time. git-who offers options to customize its output, filter its results, and exclude merge commits for accurate statistics. Git blame is useful, but it only tells you about line-by-line authorship.

1 month ago | howtogeek.com | Bobby Jack

Hyperfine is a benchmarking tool that runs commands multiple times for accurate averages. Hyperfine is user-friendly and allows results to be exported in Markdown or JSON formats for further analysis. You can use Hyperfine to compare program efficiency, optimize code, and automate benchmarking. If you need to know how fast it runs, Hyperfine will tell you. This user-friendly, versatile tool available on Linux takes all the effort out of benchmarking. What Is Hyperfine?