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Pitfalls when running a local server with `php -S` on macOS Big Sur or later, and how to terminate SSL with a separate proxy.
I upgraded Ubuntu to version 20.04, and when I tried to connect to MySQL, I encountered the following error: ERROR 2026 (HY000): SSL connection error: error:1425F102:SSL routines:ssl_choose_client_version:unsupported protocol. As a result, I was unable to connect to MySQL.
Introduction to Python Code for APIView.
MySQL raises error 1467 'Failed to read auto-increment value from storage engine' when a Django int id hits the AUTO_INCREMENT limit 2147483647. Check information_schema, then migrate the primary key to BigAutoField.
Output every request header and response info to the nginx access log via a custom `log_format`, with an Ansible playbook to deploy it.
While using flutter_downloader 1.3.4 with Flutter, the app crashes at await FlutterDownloader.initialize() when debugging from Android Studio. However, the app does not crash when launched from XCode. If anyone knows how to fix this, please let me know.
Open a specific 1Password item directly from the Mac terminal with `open 'onepassword://...'` — also how to get the item URL.
Fix `ssl.SSLCertVerificationError` in Django `send_mail` — check `EMAIL_USE_SSL` / `EMAIL_USE_TLS` and certificate trust chain.
Django 3 defaults SESSION_COOKIE_SAMESITE to 'Lax', so session cookies stop being sent on cross-origin requests. Set it to None and log in again to restore them, at the cost of weaker security.
Fix `from_db_value() missing 1 required positional argument: 'context'` on custom Django fields after upgrading to Django 3 — adapt to the removed `context` arg.
Change a DRF (Django REST framework) serializer's datetime output format away from ISO — use `format=` or override `to_representation`.
1. Terminate the emulator 2. From AVD Manager, select Cold boot now
The `/usr/bin/dockerd` binary was missing. → Replaced `/usr/bin/docker` with `/usr/bin/docker-ce`. → The service started successfully.
Basic patterns for combining `async/await` with `Promise`-based functions in JavaScript, and the error-handling pitfalls to watch for.
Stop PyCharm / JetBrains project view from opening files on a single click — how to require a double click instead.
If `Command + Click` (Jump to Source) stops working in a JetBrains IDE (PyCharm / IntelliJ), here are the settings to re-check.
When a Kubernetes Pod is stuck in `ContainerCreating` with `FailedMount` events, check Secret / ConfigMap / PVC references and RBAC — common root causes.
Use freezegun in Django tests so that "one day later" or relative offsets work correctly under `USE_TZ=True`.
When developing with Vue, if you are running a webpack dev server and using Django for the API backend along with Django's authentication using Python social auth and an external Auth provider, you may encounter an issue.
Auto-redirect logged-in users to an internal app from a Django Allauth SocialAccount flow — customize `LOGIN_REDIRECT_URL`.