Ever had a React app do something that makes you think:
“Why the hell did this code run twice?”
That happened to me with React Query.
I had a screen that fetches a server-side rule and decides which popup to show:
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/ react_stale_cache.md
Last active
September 2, 2026 09:49
Ever wondered why React Query seems to show **two different values** when your API only returned one? I recently hit a nasty bug where the UI showed the **old popup first, then the correct one**. Turns out, the problem wasn’t the API. It was **stale cached data**. Here’s what actually happened — and why `gcTime: 0` fixed it.
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/ Detect-changes-node_modules.md
Last active
May 11, 2026 06:16
Inherited a React Native app held together by edited node_modules and a prayer? I built script to finds the patches you never knew you had.
I work on a React Native app that's old enough to remember when class components were the default. Some packages in node_modules/ have been edited by hand — not patched, not forked, literally opened in a text editor and saved. The "fixes" have been there for years. Nobody kept track of which files. And whenever we onboard a new dev, we hand them a 250 MB .rar of the entire node_modules/ folder, because running yarn install would wipe everything out.
Our setup runs like an old lady. Not in a mean way — it works, it gets to the store and back, it just shouldn't be doing what it's doing in 2026. We have a postinstall hook that mostly works on prayer. We have a Confluence page from 2021 that lists "which packages are safe to reinstall." Half the packages on that list no longer exist.
Somewhere in the last few years, 12+ packages accumulated hand-edits. Some are one-liners. Some are entire sections of code commented out or rewritten. The senior dev who
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/ Cherry-pick-check-report.md
Created
April 24, 2026 08:33
A practical Git workflow to verify whether feature commits are already included in a target branch—avoiding unnecessary cherry-picks and confusion in complex histories.
I ran into a situation where I needed to verify whether a feature branch (J27910_fix) had already been included in a release branch (2616).
At first glance, the history looked messy — multiple merges, unrelated commits, and overlapping changes from other tickets. This made it unclear whether my work (tagged with J27910) had already been merged or if I needed to cherry-pick it manually.
Instead of guessing or risking duplicate changes, I decided to validate it properly using Git.
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/ Management's-Silly-Request-_-Gather-Commit-ID.md
Last active
September 2, 2026 08:54
Management's Silly Request, gather all the Commit ID
We have all been there: someone from management needs a list of commit IDs and change summaries for an audit, release notes, or a compliance check. Rather than manually copying 40-character hashes from a web UI into a spreadsheet, you can use native Git formatting flags to generate structured, presentation-ready reports instantly.
To generate a clean CSV containing the short commit hash, author, date, and commit message, run this command in your repository:
git log --pretty=format:'"%h","%an","%ad","%s"' --date=short > commit_report.csv
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/ git_large_pack_cleanup_report.md
Created
October 18, 2025 18:20
Git Repository Cleanup & Large Object Reduction Report
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/ install_python312_pyenv_wsl.md
Last active
October 14, 2025 16:43
full step-by-step guide to install Python 3.12 using pyenv safely inside WSL Ubuntu 20.04, including cleanup, setup, and verification commands.
This guide provides a clean and safe method to install Python 3.12 on Ubuntu 20.04 running under WSL2, without touching the system Python.
Linux distros normally have a Python version tied to the distro and used for various admin scripts. You should not expect to follow the latest releases of Python. And don't try to force change it because you could break your OS. If you need newer Python versions for your work, install it in user space.
Linux 20.04 come with python 3.8 which not supported natively to latest version of python (ex. 3.12.x), so by using pyenv will help you install other version of python without touching OS system, and it won't break your system.
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/ check-node-modules-diff.md
Created
October 10, 2025 08:02
A quick reference for detecting modified files inside node_modules after manual edits. Since Git ignores node_modules, this guide uses sha1sum (or md5sum) to track file integrity and identify which packages need patching — ideal for developers using yarn patch-package.
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/ Revert a.k.a Rollback on protected branch.md
Last active
August 18, 2025 06:27
Local main Branch Got 19 Unexpected Commits
One morning, I had already finished developing a feature on a separate branch. Before creating a Pull Request (PR), I merged main into my feature branch to make sure everything was up to date.
After that, I switched to the main branch and ran:
git pull
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/ adb_reconnect_MEMU
Created
July 10, 2025 04:41
reconnect on no devices found/emulator - MEMU emulator
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| if you see no listed emulator when adb devices, but the emulator already run. You can connect it through TCP by command adb connect 127.0.0.1:21503. | |
| But this only for MEMU, because port 21503, 21504, 21505. To make sure the port running MEMU emulator, can use `netstat -aon | findstr 215`. | |
| Will give you the listed port use on running MEMU, like | |
| PS C:\> netstat -aon | findstr 215 | |
| TCP 0.0.0.0:21503 0.0.0.0:0 LISTENING 17000 | |
| TCP 127.0.0.1:21503 127.0.0.1:55945 ESTABLISHED 17000 | |
| TCP 127.0.0.1:55945 127.0.0.1:21503 ESTABLISHED 26792 | |
| After connect using adb connect 217.0.0.1:21503, can make sure adb device |
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