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ShopperCove

Hands-on notes on developer tools, written after the tool has actually been run.

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Is typescript-eslint Strict Worth 4x Errors?

We ran three typescript-eslint presets on a real open-source TypeScript library and counted every finding and second. The jump to strict was smaller than the jump to type-aware linting, and the findings themselves tell you whether your team is ready.

Summary4 Nov 20267 min read
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Python partition vs split: Which One Should You Use?

Both cut a string at a separator, but they fail in different ways. We ran them on Python 3.13.5 to show where partition() is safer and where split() is the right tool.

2 Nov 20263 min read
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toSorted vs sort JavaScript: Which One Copies Your Array?

What changes when you swap sort() for toSorted(), with a real 1-million-item Node.js benchmark and the support table.

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1 Nov 20263 min read
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How to Reorder a YouTube Playlist, and Why Won't It Drag?

Dragging videos is the official way to change a playlist's order. Here are the steps from YouTube Help, where to find them in YouTube Studio, and the cases where reordering will not work.

31 Oct 20263 min read
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Sort vs Sorted Python: Which One Should You Use and When?

The real differences from the Python docs, plus a 1-million-item timing and memory test we ran on Python 3.13.

30 Oct 20263 min read
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How to Turn Off Remix on YouTube Shorts, and What Happens?

Your Shorts are open to remixing by default. Here is the YouTube Studio setting that limits it, and what YouTube Help says happens to remixes already made from your video.

29 Oct 20264 min read
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How to Pin a Comment on YouTube, and What Should It Say?

A pinned comment sits at the top of your video's comments. Here are the official steps, the reasons Pin may not show up, and a few uses YouTube itself suggests.

28 Oct 20263 min read
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Python isdigit vs isnumeric: Which One Checks Numbers?

Both methods look like 'is this a number?' checks, but they follow Unicode rules, not int() rules. A real run on Python 3.13.5 shows where they differ.

27 Oct 20264 min read
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How to Make a YouTube Channel Trailer That Earns Subs?

YouTube's own trailer tips plus the exact Studio steps, for new and faceless channels.

26 Oct 20263 min read
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removeprefix vs lstrip Python: Why Did lstrip Eat Letters?

The real rule from the Python docs, a 1-million-string test of what lstrip() breaks, and measured speed on Python 3.13.

25 Oct 20263 min read
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How to Add Collaborators on YouTube Videos and Shorts?

The exact Studio steps on computer and app, which videos qualify, and what collaborators do and do not share.

24 Oct 20263 min read
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YouTube Altered or Synthetic Content: When to Tick Yes?

What YouTube says you must disclose, what you can skip, where the label appears and when YouTube adds one for you.

23 Oct 20264 min read
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