When you worked with the software that need to use the language which is out of English, such as Japanese, Korean, Chinese. The arduous problem can happen in here.
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Some common implementation with MongoDB
MongoDB is the most compatible tool in NoSQL for Node.js. Because in Node.js, it use the JSON object to exchange data among the component. And Javascript also supports many things for JSON object.
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Copy object in Javascript
Everything in Javascript is object. So, the need to copy the object is enomorous. But the copy is really hard work, and it has so many problems in the copy. There are two types in copying object, it includes shadow copy and deep copy.
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Debugging with C++ in Visual Studio Code
When you have competitive programming on LeetCode, Hackerrank, … the first thing you want is the IDE has some interesting features such as light-weight, the fast configuration, … But before, I find it difficult to have the marvelous IDE.
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Why the total number of bitcoin is limited?
When I have just began to find out something in blockchain, especially bitcoin, I read the way that bitcoin works. Looking at the information ‘There are approximately only 21 millions bitcoin that is mined in the world.”, I’m always curious about why they can calculate this number.
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