Database

Fix Redis TCP Backlog 511 Warning: Raise somaxconn

Redis warns that TCP backlog 511 exceeds somaxconn 128, dropping connections under load. Raise somaxconn via /proc and persist it in sysctl.conf permanently.

Laravel Database

3 Laravel Migration Pitfalls and How to Fix Them

Avoid 3 migration rollback mistakes: mixing add/drop in one closure, dropping index and column together, and multiple dropColumn calls. Catch them with SQLite.

PHP Laravel

Fix PHP Curl Comodo SSL Expired Error with GuzzleHttp verify

PHP Curl throws a Comodo RSA SSL expired error on Linux due to missing Root CA. Use GuzzleHttp verify to point to the certificate file, globally or per service.

MacOS

Fix adb Server and Client Version Mismatch on Mac

Homebrew and Android SDK each install a separate adb, causing server and client version conflicts. Remove the Homebrew copy and point PATH to the SDK to fix it.

Laravel

Throw Laravel ValidationException Manually for API Errors

Wrap external API errors with ValidationException::withMessages to output Laravel validation format, so the frontend displays them like regular form errors.

Testing PHP

tester-phpunit: Run PHPUnit Tests Inside Atom Editor

An Atom editor package for running PHPUnit tests directly inside the editor — no terminal switching required to execute and review PHP unit test results.