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2076 articles
wget command not found [SOLVED]
There are two possible reasons for wget command not found error. Either the wget package is not installed on your server or PATH variable is wrongly set.
How to use pip requirements file? [SOLVED]
A pip requirements file is used in Python projects to specify the dependencies of the project, and to ensure that these dependencies can be easily installed on …
HackerRank Solution: Python Capitalize! [4 Methods]
In this tutorial we will cover following solutions for hacker rank problem capitalize in python Solution-1: Using for loop, Solution-2: Using a user- defined …
HackerRank Solution: Python Alphabet Rangoli [3 Methods]
In this tutorial we cover 3 methods to solve alphabet rangloi hackerrank solution in python3. Solution-1: Using the string module, Solution-2: Using for loop, …
HackerRank Solution: String Formatting [3 Methods]
In this tutorial we will solve string formatting problem of python strings from hacker rank using python. We have covered 3 methods to solve this problem using
HackerRank Solution: Designer Door Mat [4 Methods]
In thus tutorial we will solve hacker rank problem on designer door mat using python3 with following 4 methods, Solution-1: Using the map function, Solution-2: …
HackerRank Solution: Python Text Wrap [3 Methods]
In this tutorial we cover 3 different methods to solve Python text wrap problem from hacker rank using Solution-1: Using for loop Solution-2: Using textwrap …
HackerRank Solution: Python Text Alignment [2 Methods]
There are two methods to solve text alignment problem from Hacker Rank. 1. Using user defined function, 2. Using for loop.
How to select row with max value in SQL? [SOLVED]
There are two ways to find and select rows with maximum value in a column. 1. Sub query with Max() Function 2. Left Outer join
How to use Golang as Redis Client? [SOLVED]
In this article we assume that you already have a working Redis Server. We have already covered the steps to install and configure Redis on Rcky Linux 9. You
Docker .dockerignore Explained (Best Practices + Examples to Optimize Builds)
Learn how to use .dockerignore to optimize Docker builds by excluding unnecessary files. Improve build speed, reduce image size, and follow best practices with …
JavaScript DOM Selector Methods [In-Depth Tutorial]
JavaScript is a client-side scripting language used to add interactivity to web pages. One of the most important concepts in JavaScript is the Document Object
How to chain Promises in JavaScript? [SOLVED]
One of the key features of JavaScript is the ability to chain promises together, which can make code more readable and maintainable. Chaining promises is a
How to DROP connection in IPTABLES? [SOLVED]
iptables is a GPL licensed utility that allows the Linux kernel firewall to configure IP packet filter rules. Filters are organized in different tables that
How to search SQL for column name? [SOLVED]
A database in SQL has multiple tables and each table has contain multiple columns. In SQL, We can search for a specific column name in a table by using the