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Page 547 of my articles, tutorials, and thoughts
Latest Articles
How to pass command line arguments to a rake task
# How to Pass Command Line Arguments to a Rake Task šŖ Have you ever found yourself in a situation where you need to pass a value into a rake task, either from the command line or from another rake task? Fear not! In this guide, I will show you how to do
How to call shell commands from Ruby
šš” Calling Shell Commands from Ruby: A Simple Guide for Beginners šš¤ Have you ever wondered how to call shell commands from inside a Ruby program? And how do you retrieve the output from these commands and use it within your Ruby code? š¤·āāļø š Don't
How to write a switch statement in Ruby
# How to Write a Switch Statement in Ruby: Simplified Guide š ## Introduction Ruby, an elegant and dynamic programming language, offers a variety of control structures to handle different scenarios. However, Ruby does not have a built-in `switch` statem
How to do a non-greedy match in grep?
# How to Catch 'em All: Unleashing the Power of Non-Greedy Matches in `grep` *Are you tired of hunting for specific patterns in your text files, only to have `grep` grab the longest match instead? Don't fret! In this guide, we'll teach you the art of non-
How to use concerns in Rails 4
# How to Use Concerns in Rails 4: A Quick and Easy Guide š Are you confused about how to make the most out of concerns in your Rails 4 project? Look no further! In this blog post, we'll demystify the concept of concerns, provide easy-to-follow solutions
Postgres could not connect to server
# Postgres Could Not Connect to Server: Easy Solutions š Welcome to my tech blog! Today we are going to address a common issue that many Postgres users face: "Postgres could not connect to server." If you've encountered this error message, don't worry,
Convert a char to upper case using regular expressions (EditPad Pro)
# How to Convert a Character to Uppercase Using Regular Expressions in EditPad Pro š Are you struggling to convert lowercase characters to uppercase in a long text file? Is it causing issues in your case-sensitive application? Don't worry; we've got you
Regex - Should hyphens be escaped?
š **Regex - Should hyphens be escaped?** ā Common Issues: Hyphens are special characters in regex. They are used to select a range within square brackets. But how do they behave outside of square brackets? Do they need to be escaped or not? Let's find ou
Python extract pattern matches
# š Python Extract Pattern Matches: A Handy Guide If you've ever found yourself trying to extract specific patterns from a string using regular expressions in Python, you're not alone. It can be a bit tricky, but fear not! In this guide, we'll walk you t
Replacing all non-alphanumeric characters with empty strings
š **Tech Blog: Removing Non-Alphanumeric Characters Made Easy! š** Are non-alphanumeric characters giving you a hard time? Don't fret! In this blog post, we'll tackle the common issue of replacing all non-alphanumeric characters with empty strings and p