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A collection of 14 posts

Certificate pinning and Public key pinning

Encryption and decryption

Certificate pinning and Public key pinning

Certificate pinning and public key pinning are both techniques that are used to enhance the security of a network connection by ensuring that the client trusts only a specific certificate or public key. Certificate pinning Certificate pinning is a security technique that is used to ensure that an app is

HTTP Encoding

HTTP encoding, also known as percent-encoding or URL encoding, is a way of encoding special characters in URLs and other HTTP data, such as headers and body content. HTTP encoding uses a special encoding scheme, called percent-encoding, to represent the special characters as a combination of the % character and two

What is YAML file and compared with JSON

What is YAML file and compared with JSON

YAML (YAML Ain't Markup Language) is commonly used for configuration files, but can be used in many applications where data is being stored or transmitted. A YAML file consists of a series of key-value pairs, with the keys and values represented as strings. The keys are separated from

Use openssl to create public key and private key

Use openssl to create public key and private key

Generally speaking, currently digital encryption methods can be divided into two main categories, symmetric encryption and asymmetric encryption. For symmetric encryption, the same key is used for encryption and decryption. The encryption methods are AES, DES, RC4, BlowFish, etc.; On the contrary, asymmetric encryption uses different keys for encryption and

How to enable iMessage on your Android devices for free

How to enable iMessage on your Android devices for free

This article demonstrates how to connect iMessage service to your Android phone/pad so that you can contact your iPhone friends freely from now on. To finish the article will take 5 mins. Prerequisite * A mac laptop or server * Android Phone * iPhone (optional for testing) Features of AirMessage: * Safe: all

Unity: How to change the default or entry animation for an animator

When creating a new animation for a game object, by default in Unity, the first animation your created is the entry animation for a game object. Suppose we have two animation for a game object with two animations: cucumber_idle and cucumber_walk. If you want to update or modify

Unity: Real example shows the difference of three Canvas UI Scale Modes

Unity: Real example shows the difference of three Canvas UI Scale Modes

Unity: Real example shows the difference of three Canvas UI Scale Modes, Constant Pixel Size, Scale With Screen Size and Constant Physical Size

Decorator in Unity

Decorator in Unity

Decorator in Unity

Unity: Should I choose Kinematic, Static or Dynamic for Rigidbody 2D body type?

When dealing with Rigidbody 2D, there are three key body types which determines how a game object move and react to collision. This post is the complete guide on how and when to use them Static * No REAL Rigidbody component attached to them, so physics engine does not consider them

Delete a Git branch locally and remotely

Delete a Git branch locally and remotely

Delete a Git branch locally and remotely

Setup Visual Studio Code for Unity on Mac 2020 (Updated in 2021)

There are tons of articles online tells us it is 2020, we should use the Visual Studio code, which is a good coding tool (or IDE) with numerous extensions. This article is the complete and most easy guide on how to config your Visual Studio Code. Things I am using:

Unity: Are you familiar with Awake(), OnEnable(), Start(), Update(),FixedUpdate() and OnDestroy()

Unity: Are you familiar with Awake(), OnEnable(), Start(), Update(),FixedUpdate() and OnDestory()

Kids Smart Pad

Create an Auto build script for Aseprite on Mac OS

Aseprite is a famous 2D pixel art tool that allow you to create 2D animations, sprites, and any kind of graphics for games. It is not free, you can get a copy from Steam for USD $14.99. http://store.steampowered.com/app/431730/Aseprite/. However, it is open sourced