Flutter base model approach
For fetch data from the internet https://flutter.dev/docs/cookbook/networking/fetch-data In the official docs, they guide to use factory fromJson but when use in a large project, I realize that way is not…
[Newbie] Chapter 5. Basic tickets
[Newbie] Chapter 1. Flutter overview [Newbie] Chapter 2. Flutter getting started [Newbie] Chapter 3. Flutter initial setup [Newbie] Chapter 4. Widget’s state Content Work with asset files (image, font, files)…
Flutter detect memory pressure
Using https://api.flutter.dev/flutter/widgets/WidgetsBindingObserver/didHaveMemoryPressure.html We need to extend WidgetsBindingObserver and override didHaveMemoryPressure method Use dev tool to investigate OOM deeply: https://flutter.dev/docs/development/tools/devtools/memory Some case related OOM by Image, you can clear cache in…
Create a WordPress child theme
Setup WordPress on VPS (PHP, Nginx) WordPress instruction https://developer.wordpress.org/themes/advanced-topics/child-themes/ Basic step Create a new theme folder Copy footer page or any page edited Make child theme cover image Create a…
Setup a simple face recognition
We use face_recognition to setup on the Ubuntu server. Face alignment approach, built using dlib’s state-of-the-art face recognition built with deep learning. The model has an accuracy of 99.38% on…
Install Zeebe
What is Zeebe? Zeebe is a workflow engine for microservices orchestration. Zeebe ensures that, once started, flows are always carried out fully, retrying steps in case of failures. Along the…
Linux multi terminal
Beside screen you can consider tmux Install tmux Basic command tmux cheatsheet
Install docker on Ubuntu 18.10
Install docker: https://docs.docker.com/install/linux/docker-ce/ubuntu/#docker-ee-customers Note Error from fetching => edit app source and change cosmic to bionic Docker useful command Uninstall Docker
Javascript extract info from regex
Docs: https://flaviocopes.com/javascript-regular-expressions/ Pattern test: https://regexr.com Example
Generate new bitcoin wallet using bitcoinjs
Install Source