ytyng.com

Latest Articles

Page 5
2023-05-14 03:09 (3 years ago)
Since BitLocker decryption key files are in UTF-16, they cannot be searched with grep -R, so use a script to search.

Build a Chromium kiosk for web signage on an OrangePi Zero 2W — OS install, Wayland setup, and auto-start configuration.

2023-05-11 10:37 (3 years ago)
Fix: pip install mysqlclient fails with ld: library not found for -lzlib on M2 Mac (MYSQLCLIENT_LDFLAGS)

When you encounter the error "library not found for -lzlib" while trying to run `pip install mysqlclient` on an M2 Mac, setting the environment variables `MYSQLCLIENT_LDFLAGS` and `MYSQLCLIENT_CFLAGS` can help resolve the issue.

2023-05-03 02:47 (3 years ago)
Writing TextToSpeech in Browser Using Async Function

Run a web signage kiosk on a Raspberry Pi with Playwright + Chromium — Python script and systemd unit example.

2023-04-28 03:40 (3 years ago)
How to Handle the Suspension of an Account Used for Twitter API Integration

Due to changes in Twitter's developer program specifications, only one app is allowed under the free plan. If you have multiple API accounts, they will be forcibly disabled (with the API accounts entering a SUSPENDED status). Here are the methods to address this situation.

PHP
2023-04-01 02:27 (3 years ago)
Code to Validate Check Digits of JAN Codes in PHP

Here is an overview in English of the Japanese blog article: "The blog article introduces a PHP function that checks if a given JAN code is valid. If the JAN code is valid, the function returns true; if it is invalid, it returns false and an error message."

Python
2023-03-29 05:31 (3 years ago)
Trying to Install npm install fibers (node-fibers) Results in ValueError: invalid mode: 'rU' While Trying to Load binding.gyp

Fix `npm install fibers` (node-fibers) failing with `ValueError: invalid mode: 'rU'` — its `setup.py` uses a deprecated flag, so install with Python 3.10 or older.

2023-03-11 05:47 (3 years ago)
Using the ChatGPT API

Step-by-step guide to the OpenAI ChatGPT API: account, credit card, billing limit, and API key issuance, with screenshots.

2023-03-11 01:01 (3 years ago)
Mounting Files with ConfigMap in Kubernetes

Confirm the 'Editing in progress' state when modifying a Mezzanine BlogPost — how to check locks and edit state in the Admin.

Python
2023-03-06 07:01 (3 years ago)
Remove 4-byte Characters from Strings in Python

Configure a macOS Service (Quick Action) that copies the absolute path of the file or folder open in Finder to the clipboard.

2023-02-11 12:21 (3 years ago)
Displaying Serial Console Output (Viewing Standard Output When Installing CircuitPython on Raspberry Pi Pico)

Here's an overview of a blog post detailing how to view the standard output of a serial console connected to a Mac. This method is useful when you need to monitor the output from CircuitPython, among other uses.

Docker
2023-01-30 06:54 (3 years ago)
Order of Arguments in docker-compose run (Incorrect Order Prevents Launch and Makes Errors Hard to Identify)

Here's an example to illustrate how docker-compose commands can fail and produce confusing error messages if the arguments are not provided in the correct order.

Shellscript(Bash/Zsh)
2023-01-25 00:13 (3 years ago)
When Setting the Path for mysql-client Installed via Homebrew on macOS, It Automatically Follows Version Changes

Glossary of real-time pub/sub protocols (MQTT/STOMP/Redis Pub-Sub) and a comparison of Python clients to connect to each.

Raspberry-Pi
2023-01-22 02:26 (3 years ago)
Obtaining Terminal ID with Raspberry PI Pico

Workaround for `copy: input/output error` writing files to a Raspberry Pi Pico (RP2040) from macOS Sonoma.

Python
2023-01-03 02:21 (3 years ago)
Output and Clear Text in Terminal with Python

Flash CircuitPython onto an ESP32 dev board (HW-394 / WROOM-32) and drive I/O in Python — bootloader mode and REPL connection.

Shellscript(Bash/Zsh)
2022-12-27 12:16 (3 years ago)
Create URL Links in the Terminal

With applications like iTerm2, you can make a link text open a different URL by Command + clicking, similar to how the a tag works in HTML.

Django
2022-12-27 10:15 (3 years ago)
View the Contents of Redis Directly from the Terminal in Django

This article explains how to directly view the contents of Django Redis using the Django shell.

Python
2022-12-02 09:02 (3 years ago)
When Using Libraries Like Fabric and Paramiko, "Authentication (publickey) failed." Error Occurs During Server Login

When connecting to an SSH server using Python libraries like Fabric or Paramiko, if the versions are outdated, you may encounter the error "Authentication (publickey) failed."

2022-11-27 15:03 (3 years ago)
Shell Script to Rotate Backup Files Every Few Days

I recently realized that I can rotate backup files (by deleting old files) every few days by sharding the sequential day numbers, which increase by one each day, using modulo 10. Here's the method I've been using lately.

nuxt
2022-11-20 03:29 (3 years ago)
How to Set Up API Proxy to Other Services in Nuxt3

Set up an HTTP proxy to another service's API in Nuxt 3 (Nitro) — the simple `routeRules.proxy` pattern.

Django
2022-11-18 10:16 (3 years ago)
Reading DB Settings from Django Configuration and Copying Data from Production to Staging with mysqldump

I usually write data copy scripts in bash, but I tried writing one in Python this time and decided to document it.