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Yongchang He profile picture

Yongchang He

An IoT and blockChain developer; interested in Cloud Computing; love coding...

Education

Computer Science, master's, University of Saskatchewan

Multiple developers work simultaneously using their own branch on git

Multiple developers work simultaneously using their own branch on git

4
Comments
1 min read

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Parse RTCM 3.x correction data from serial input

Parse RTCM 3.x correction data from serial input

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2 min read
Wi-Fi communication using two u-blox C099-F9P application board

Wi-Fi communication using two u-blox C099-F9P application board

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2 min read
Interact with ADT using Postman

Interact with ADT using Postman

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2 min read
Work With Azure Digital Twin - code a client app

Work With Azure Digital Twin - code a client app

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4 min read
Deploy React app with JSON server on Heroku

Deploy React app with JSON server on Heroku

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Hyperledger Fabric architecture

Hyperledger Fabric architecture

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Hyperledger Fabric and MSP

Hyperledger Fabric and MSP

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Deploy your React App on Github in 5 minutes

Deploy your React App on Github in 5 minutes

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2 min read
Q&A with Self-built Blockchain and Dapps (2)

Q&A with Self-built Blockchain and Dapps (2)

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2 min read
Tutorial - Using create2 to predict the contract address before deploying

Tutorial - Using create2 to predict the contract address before deploying

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2 min read
Tutorial - play with an auction demo based on ERC721

Tutorial - play with an auction demo based on ERC721

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4 min read
tutorial - Delete a contract using selfdestruct()

tutorial - Delete a contract using selfdestruct()

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Tutorial - Create a contract from another contract with solidity

Tutorial - Create a contract from another contract with solidity

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2 min read
Build a simple dApp using truffle, ganache, Ethers.js and React(1)

Build a simple dApp using truffle, ganache, Ethers.js and React(1)

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8 min read
Build a blog with a JSON server

Build a blog with a JSON server

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Set up a wired serial communication between Arduino boards

Set up a wired serial communication between Arduino boards

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2 min read
Set up a home server and access it from everywhere

Set up a home server and access it from everywhere

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Set up a private network with multiple PCs using Go Ethereum (Geth)

Set up a private network with multiple PCs using Go Ethereum (Geth)

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4 min read
Q&A with Self-built Blockchain and Dapps (1)

Q&A with Self-built Blockchain and Dapps (1)

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2 min read
Tutorial: Play with Truffle & Ganache

Tutorial: Play with Truffle & Ganache

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5 min read
Tutorial: Play with Geth (Go Ethereum)

Tutorial: Play with Geth (Go Ethereum)

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RBAC, ABAC and CapBAC in IoT

RBAC, ABAC and CapBAC in IoT

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The basics of IoT devices Management

The basics of IoT devices Management

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4 min read
Tutorial: Play with a Speech-to-Text API using Node.js

Tutorial: Play with a Speech-to-Text API using Node.js

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Merkle Tree in BlockChain

Merkle Tree in BlockChain

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Hi, Java developers: It's time to try Web3j for Ethereum

Hi, Java developers: It's time to try Web3j for Ethereum

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IoT - knowledge about MQTT

IoT - knowledge about MQTT

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Tutorial: Ethereum BlockChain Development (5)

Tutorial: Ethereum BlockChain Development (5)

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IoT - knowledge for beginners

IoT - knowledge for beginners

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Tutorial: Ethereum BlockChain Development (4)

Tutorial: Ethereum BlockChain Development (4)

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Tutorial: Ethereum BlockChain Development (3)

Tutorial: Ethereum BlockChain Development (3)

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Tutorial: Ethereum BlockChain Development (2)

Tutorial: Ethereum BlockChain Development (2)

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Tutorial: Ethereum BlockChain Development (1)

Tutorial: Ethereum BlockChain Development (1)

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Learning BlockChain? Here are the things you want to go through

Learning BlockChain? Here are the things you want to go through

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Play with Docker: install MySQL and realize data persistence

Play with Docker: install MySQL and realize data persistence

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Judging Valid Parentheses

Judging Valid Parentheses

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Finding the longest common prefix string amongst an array of strings

Finding the longest common prefix string amongst an array of strings

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Setup a Nginx Webserver in 5 minutes

Setup a Nginx Webserver in 5 minutes

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Examples using FileReader and FileWriter to read and write plain text

Examples using FileReader and FileWriter to read and write plain text

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2 min read
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