Git protip: easily add missing changes to an old commit
You can quickly "update" an old commit thanks to "commit --fixup"
Articles and tutorials
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Git protip: track function changes with "log -L"
Use "git log -L" to track changes only within a code block, figure out who actually introduced a bug, etc.
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Git protip: blame, please don’t!
Do you think "git blame" is a good idea? You’re wrong!
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JS protip: npm-check
Easily keep your JS deps in sync with npm-check! So much nicer than npm outdated + update…
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Git protip: a nice and efficient diff in the console
See differences in files, line by line, without any visual pollution
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Negative array indices thanks to proxies
Proxies are a wonderful feature from ES2015. This post explores a cool trick you can do with them: negative array indices.
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Simulating an abstract class with new.target
Have you heard about new.target? Thanks to this unusual reference, you can easily implement abstract classes by forbidding some uses of the new operator…
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The for…of loop: should there remain only one…
Forget numerical for: the for…of loop that came out in ES2015 is your new best friend. Such versatility!
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Converting an object to Map and vice-versa
Sometimes a plain object is enough. Other times you’ll want a Map. But why, and how, can you switch between one and the other?
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Object spread vs. Object.assign
With everyone boarding the “object spread” train, is there still a place for the Object.assign(…) API? Are they even different? Yes, and yes!
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Using named captures
ES2018 finally brings named capturing groups to regular expressions and boy is it cool!
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const is the new var
Should you still use “var”? Should we just replace it with “let”? What about “const” anyway? In this post, we’ll explain why “const” should be your go-to declarative keyword.