Learn System Design concepts and prepare for interviews using free resources.

Some Android learning materials, hoping to help you learn Android development.

Learn Low Level Design (LLD) and prepare for interviews using free resources.

A library for debugging android databases and shared preferences - Make Debugging Great Again

A list of useful Java frameworks, libraries, software and hello worlds examples

🚀 A Complete Fast Android Networking Library that also supports HTTP/2 🚀

关于 Material Design 的一切资料都在这里

A Static Code Analyzer for PHP (a PhpStorm/Idea Plugin)

Curated collection of useful little Java functions that you can understand quickly

A curated list of awesome android things tutorials, libraries and much more at one place

Just beautiful

"Technology Gold mine" to collect and share materials/resources

FlatBuffer : Android Sample Application

Glide Bitmap Pool is a memory management library for reusing the bitmap memory

A library of +70 ready-to-use animations for JavaFX

Java cryptographic library that supports Argon2, bcrypt, scrypt and PBKDF2 aimed to protect passwords in databases. Easy to use by design, highly customizable, secure and portable. All the implementations follow the standards and have been reviewed to perform better in the JVM.

Published on Maven Central Java Library that compares 2 images with the same sizes and shows the differences visually by drawing rectangles. Some parts of the image can be excluded from the comparison. Can be used for automation QA tests.

Android MVP Sample Application

Roadmap for Data Engineering