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Data Storage Development Tutorials, Guides & Insights

Unlock 3+ expert-curated data storage tutorials, real-world code snippets, and modern dev strategies. From fundamentals to advanced topics, boost your data storage skills on DeveloperBreeze.

Tutorial
javascript

Primitive Data Types

  console.log(typeof "Hello"); // string
  console.log(typeof 42); // number
  console.log(typeof null); // object (this is a historical quirk)
  console.log(typeof undefined); // undefined
  • Your name (string).
  • Your age (number).
  • Whether you are a student (boolean).

Dec 11, 2024
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Tutorial
javascript

Variables and Constants

     const API_KEY = "12345";
     // API_KEY = "67890"; // Error: Assignment to constant variable
  • Variables are accessible only within the block they are declared in.
  • Example:

Dec 10, 2024
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Tutorial

Connecting a Node.js Application to an SQLite Database Using sqlite3

Connected to the SQLite database.
Table "accounts" created or already exists.
A row has been inserted with rowid 1
Private Key: private_key_value
Address: address_value
Decimal Number: decimalNumber_value
Has Transactions: 1
---------------------------
Database connection closed.

For your convenience, here's the complete app.js file combining all the steps:

Oct 24, 2024
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