Posts byTechradiant

< 1 min read To find duplicate values in a MySQL table, you can use the COUNT() function and the GROUP BY clause in a SELECT statement. Here’s …

< 1 min read To output MySQL query results in CSV (Comma Separated Values) format, you can use the SELECT INTO OUTFILE statement in MySQL. The SELECT INTO …

< 1 min read To reset the AUTO_INCREMENT value for a table in MySQL, you can use the ALTER TABLE statement with the AUTO_INCREMENT option. Here’s an example …

< 1 min read To import an SQL file using the command line in MySQL, you can use the mysql command-line client with the -u and -p options …

< 1 min read SQL injection is a security vulnerability that occurs when user-supplied input is not properly sanitized and is used to create dynamic SQL statements. To …

< 1 min read To read a large file one line at a time in Node.js, you can use the readline module and the readline.createInterface() function. The readline …

< 1 min read To append data to a file in Node.js, you can use the fs (file system) module and the fs.appendFile() function. The fs.appendFile() function takes …

< 1 min read In Node.js, the module.exports and exports variables are used to define the values that a module exports to be used by other modules. The …

< 1 min read To print text to the console without a trailing newline in Node.js, you can use the process.stdout.write() function instead of the console.log() function. The …

< 1 min read To access form fields in an HTTP POST request in an Express.js app, you can use the body-parser middleware. The body-parser middleware parses the …