Swift4 makes JSON serialization easier than ever. If you want an object to be encodable, Adapt to Encodable protocols. If you want an object to be decodable, adapt to Decodable protocols. Codable protocols is for objects that both encodable and decodable.

Here are list of keyboard shortcut I like to use to keep my hand always on keyboard.

Here are some useful git command for bash scripting

How to print in bash with color? There are two easy ways. One is for easy print sentences. The other one is more suitable for printing blocks of lines of logs.

This is about iOS coding style convention.

When building static library in XCode (.a), the architecture you selected in build target does affect the result. For example, if you select a simulator and build the static library, then the library will contain only architecture for simulator use. If you select a real device / generic iOS device, then the library will only contain architecture for a real device.

If I have to run a block of codes in background thread, how to make a function return the value after async blocks?

My git cheatsheet

Before taking about Java Enum, please note that there is a performance issue with the android java enum object. For detail, please take a look at this blog post.

If you still want to use a normal Java Enum, read below.

When developing on android, you have the option to wireless connect to your computer. To do this you will need to do following setups.