Fullchee's TIL Tips

Mapping French Canadian Mac keyboard to behave like US keyboard

Mar 20, 20251 min read

Mac weather menu bar item showing wrong cities

Mar 19, 20251 min read

nonlocal in Python 3

#TIL about nonlocal in Python 3 Inner functions can access outer variables but can’t modify them by default Here’s a contrived simple example def outer(): num = 0 def inner(): nonlocal num num += 1 inner() If you remove t...

Aug 28, 20251 min read

VSCode: Cmd clicking in `Open Recent` opens in a new window!

Feb 26, 20251 min read

Testing library (React): Selecting text in multiple HTML elements

Oct 16, 20241 min read

Useful lesser known Python types

Final from typing import Final _PI: Final[float] = 3.14 Hashable from typing import Any, Dict from collections.abc import Hashable my_dict: Dict[Hashable, Any] TypedDict # Python >= 3.11 from typing import Optional, NotRequired, TypedDict # Pyth...

Apr 19, 20241 min read

Column select in terminals

Select columns in a terminal eg: select only the pids VSCode terminal : alt/option + click and drag iTerm: ⌘ + alt / ⌥ + click and drag https://www.youtube.com/watch?v=v1Y7aoRnWdA

Apr 19, 20241 min read

unittest param order is the opposite of Jest

which is the opposite order for Jestexpect(myVar).toBe(42) assumes the first is expected, second is actual in the error message. self.assertEqual(expected, actual) self.assertEqual(42, my_var) PyCharm even displays Expected and Actual Failure Expect...

Apr 19, 20241 min read

Prevent global `pip install`

PIP_REQUIRE_VIRTUALENV=truein your .zshrc (or env variables) prevents you from pip installing globally so that you only run pip install in a venv Only use pipx for global installs

Mar 7, 20241 min read

VSCode: move snippet suggestions to the bottom

Problem In VSCode, when I trigger suggestions (with Ctrl space), it would show snippet suggestions at the top Instead of showing me possible parameter options Solution TIL You can move snippet suggestions to the bottom (or inline) so that suggesti...

Jan 26, 20241 min read

Trigger an ESLint error if you leave a function in the code

ESLint can give an error if you leave a console.log or console.error in your codebase. We can do the same with any other function! Example: suppress console const suppressConsoleWarnAndError = () => { const consoleErrorSpy = jest.spyOn(console, 'er...

Jan 26, 20241 min read

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