程序员必须是业务专家才能开发出好的软件业务系统吗？Do programmers have to be business experts to develop good software business systems?

 程序员必须是业务专家才能开发出好的软件业务系统吗？
Do programmers have to be business experts to develop good software business systems?

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Install Oracle 12C 12.1.0.1 on Windows

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Inside Ethereum Transactions -

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#3 · Inside Ethereum Transactions source :  https://www.dappuniversity.com/articles/web3-js-intro This is the third video in the 8-part tutorial series. This video will show you how to create transactions on The Ethereum Blockchain with Web3.js. This lesson will go from beginner to slightly advanced. I'll show you what happens when an Etherum transaction is created, and I'll show you how to broadcast a transaction manually to the network with Web3.js. In addition to learning Web3.js, the purpose of this lesson is to help you understand the fundamentals about how transactions work on The Ethereum Blockchain. Whenever you create a transaction, you're writing data to the blockchain and updating its state. There are several ways to do this, like sending Ether from one account to another, calling a smart contract function that writes data, and deploying a smart contract to the blockchain. We can get a greater understanding of these concepts by performing these actions w...
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Oracle 12c jdbc connect string for PDB

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