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Music related coding questions

👩‍💻 Technical question

Asked almost 2 years ago in HTML by Tejaswini 
JSP code for music backend development

🤖 SheCodes Athena says:

Answered in 10.25 seconds

Here's an example of JSP code for connecting to a MySQL database and retrieving and displaying music data:

jsp
 
 
Copy code


<%@ page import="java.sql.*" %>

<%
// Database credentials
String url = "jdbc:mysql://localhost:3306/mydb";
String user = "username";
String password = "password";

try {
  // Load the MySQL JDBC driver
  Class.forName("com.mysql.jdbc.Driver");

  // Connect to the database
  Connection conn = DriverManager.getConnection(url, user, password);

  // Execute a query to retrieve music data
  Statement stmt = conn.createStatement();
  String sql = "SELECT * FROM music";
  ResultSet rs = stmt.executeQuery(sql);

  // Display the music data in an HTML table
  out.println("<table>");
  out.println("<tr><th>Title</th><th>Artist</th><th>Genre</th></tr>");
  while (rs.next()) {
    out.println("<tr>");
    out.println("<td>" + rs.getString("title") + "</td>");
    out.println("<td>" + rs.getString("artist") + "</td>");
    out.println("<td>" + rs.getString("genre") + "</td>");
    out.println("</tr>");
  }
  out.println("</table>");

  // Close the database connection
  rs.close();
  stmt.close();
  conn.close();
} catch (SQLException e) {
  out.println("SQLException: " + e.getMessage());
} catch (ClassNotFoundException e) {
  out.println("ClassNotFoundException: " + e.getMessage());
}
%>

This code assumes that a MySQL database named mydb exists on the local machine and contains a table named music with columns title, artist, and genre. It uses JSP scriptlet to embed Java code within HTML content so that the music data can be retrieved from the database and displayed as an HTML table.

Here's a resource to learn more about JDBC: https://www.tutorialspoint.com/jdbc/index.htm

jsp mysql database music backend

👩‍💻 Technical question

Asked almost 2 years ago in JSP by Tejaswini 
display the content about music using jsp

🤖 SheCodes Athena says:

Answered in 8.53 seconds

To display the content about music using JSP, you can create a JSP page and write HTML and JSP code to display the music content.

Here is an example code:

jsp
 
 
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<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Music Content</title>
</head>
<body>
    <h1>Music Content</h1>
    <ul>
        <li><a href="https://www.youtube.com/">YouTube Music</a></li>
        <li><a href="https://music.apple.com/">Apple Music</a></li>
        <li><a href="https://open.spotify.com/browse/featured">Spotify</a></li>
        <li><a href="https://soundcloud.com/">SoundCloud</a></li>
    </ul>
</body>
</html>

This code creates a basic HTML page with a title, a heading, and a list of links to popular music platforms. You can customize the code to include your own music content, such as album artwork or song samples.

Note that JSP is a server-side technology that allows you to dynamically generate HTML content based on user requests. If you want to display music content that is stored in a database or external API, you'll need to use Java code to retrieve the data and display it on the JSP page using JSTL or other JSP tags.

HTML jsp music content server-side

👩‍💻 React.js Code instructions

Asked almost 2 years ago in React by Eden 
get api from spotify and show sweet child of mine song by guns and roses

🤖 SheCodes Athena says:

Answered in 12.9 seconds

Here's an example code in React.js to get the API from Spotify and show "Sweet Child O' Mine" by Guns N' Roses. Please note that you need to have a Spotify Developer Account to get your own Client ID and Client Secret.

javascript
 
 
Copy code


import React, { useEffect, useState } from "react";

const App = () => {
  const accessToken = ""; //Replace with your Access Token obtained from Spotify API
  const [songData, setSongData] = useState(null);

  useEffect(() => {
    fetch(
      "https://api.spotify.com/v1/search?q=sweet%20child%20o%20mine%20artist:guns%20n%20roses&type=track&limit=1",
      {
        headers: {
          Authorization: `Bearer ${accessToken}`,
        },
      }
    )
      .then((response) => response.json())
      .then((data) => setSongData(data.tracks.items[0]));
  }, []);

  return (
    <div>
      {songData ? (
        <div>
          <h1>{songData.name}</h1>
          <p>{songData.artists[0].name}</p>
          <img src={songData.album.images[0].url} alt="Album Cover" />
        </div>
      ) : (
        <p>Loading...</p>
      )}
    </div>
  );
};

export default App;

Explanation of the code:

  • Import React, useState, and useEffect hooks from "react" library.
  • Create a functional component named "App".
  • Declare and initialize "accessToken" to your own Access Token obtained from Spotify API.
  • Declare "songData" state variable and initialize it to "null".
  • Use useEffect hook to fetch data from Spotify API. In this example, we will search for "Sweet Child O' Mine" by "Guns N' Roses" using the keyword query parameter "q" and the artist parameter "artist". The search is limited to one track only to simplify the code. Once the data is fetched, we set the "songData" state to the first item of the fetched tracks array.
  • Return a div that displays the data using JSX by checking if "songData" is truthy or falsy. If "songData" is truthy, display the song name, artist name, and album cover using "songData" properties. If "songData" is falsy, display "Loading..." instead.

Please note that the Access Token should be obtained from Spotify API explicitly, and you should not include secrets in the frontend code like shown in this example. Passing them as props from server-side is an example of a better way to do it from the security perspective.

API Spotify music fetch useEffect
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