variables – CodeRavo

Storing Command Output as Variables in Batch Files

Introduction In batch scripting, it’s often necessary to capture and store the output of commands for … Storing Command Output as Variables in Batch FilesRead more

batch-file, cmd-exe, command output, for-f-loop, script-automation, variables

Declaring Variables in PostgreSQL Queries

In PostgreSQL, declaring variables can be a bit different than in other SQL databases. Unlike some … Declaring Variables in PostgreSQL QueriesRead more

common-table-expressions, ctes, dynamic-config-settings, pl-pgsql, PostgreSQL, psql-client, Temporary Tables, variables

Default Values for Shell Variables in Bash

Bash provides powerful mechanisms for assigning default values to variables, simplifying script logic and making code … Default Values for Shell Variables in BashRead more

Bash, command-line-arguments, default-values, error handling, null, parameter-expansion, shell scripting, Unset, variables

Using Curl to Retrieve HTTP Status Codes and Responses

Curl is a powerful command-line tool used for transferring data to and from a web server … Using Curl to Retrieve HTTP Status Codes and ResponsesRead more

Command-Line Tool, cURL, customization, http-status-code, protocol-headers, response-headers, variables, web server

Checking for Null and Undefined Values in JavaScript

JavaScript provides several ways to check if a variable is null or undefined. Understanding the nuances … Checking for Null and Undefined Values in JavaScriptRead more

checking, comparison, equality, JavaScript, loose-equality, null, nullish, strict equality, typeof, undefined, variables

Printing Unsigned Long Integers in C

Understanding Unsigned Long Integers In C, unsigned long is a data type representing an integer that … Printing Unsigned Long Integers in CRead more

c#, data types, format-specifier, integer-types, printf, programming, tutorial, unsigned-long, variables

Mastering Conditional Logic with If-Else Structures in Batch Files

Batch scripting is a powerful way to automate tasks on Windows operating systems. One of the … Mastering Conditional Logic with If-Else Structures in Batch FilesRead more

batch-file, chained-if, command-line-scripting, else-statement, if-statement, nested-if, variables

Using Variables in Oracle SQL Scripts: A Comprehensive Guide

Introduction In database management, particularly with Oracle SQL, variables can significantly enhance script reusability and maintainability. … Using Variables in Oracle SQL Scripts: A Comprehensive GuideRead more

bind-variables, Database Management, oracle-sql, pl-sql, Scripting, sql-developer, sql-plus, substitution-variables, variables

Understanding SCSS vs. Sass: A Deep Dive into CSS Preprocessors

In the evolving landscape of web development, efficiency and maintainability are paramount. As stylesheets grow in … Understanding SCSS vs. Sass: A Deep Dive into CSS PreprocessorsRead more

css-preprocessor, mixins, sass, scss, stylesheets, syntax, variables, web development

Working with Variables in MySQL

Understanding Variables in MySQL MySQL provides several ways to store and manipulate data using variables, offering … Working with Variables in MySQLRead more

data types, declare, global, local-variables, MySQL, session, set, SQL, stored procedures, system-variables, user-defined-variables, variables