Olorunfemi Akinlua

Olorunfemi Akinlua

About Olorunfemi Akinlua

Olorunfemi is a lover of technology and computers. In addition, I write technology and coding content for developers and hobbyists. When not working, I learn to design, among other things.

howto · 2025-03-13

How to Use Await in a Python Lambda

This tutorial describes how to effectively use await within a Python lambda function. Learn various methods to handle asynchronous programming, including wrapping lambdas in async functions, using asyncio tasks, and defining inline async functions. Enhance your coding skills and improve application performance with clear examples and explanations.

howto · 2025-03-11

How to Convert a Number to Month Name in PHP

This tutorial explains how to convert a number to a month name in PHP using the DateTime object and the date() function. Learn clear examples and detailed explanations to display month names effectively, enhancing your PHP applications.

howto · 2025-03-11

How to Solve Reduce Is Not Defined in Python

This tutorial describes how to solve the reduce is not defined error message in Python. Learn effective solutions, including importing reduce from functools and using alternative methods like loops and math.prod. Get back on track with your coding projects and enhance your understanding of Python’s functional programming capabilities.

howto · 2025-03-11

How to Switch Between Python 2 and 3

This tutorial provides a comprehensive guide on how to switch between Python 2 and 3. Learn effective methods using virtual environments, Pyenv, and Docker to manage multiple Python versions seamlessly. Whether you are working on legacy projects or new developments, this article will help you navigate the transition effortlessly. Discover the best practices for maintaining compatibility and enhancing your coding experience.

howto · 2025-03-04

How to Echo Tab in PHP

This tutorial details how to use the echo statement and make use of escape sequences such as tab with it in PHP. Learn to format your output effectively for better readability and user experience. Discover how to combine PHP with HTML for enhanced data presentation.

howto · 2025-03-04

How to Set Up SFTP Server on Windows

This tutorial demonstrates how to set up an SFTP server on Windows to maximize SSH capabilities.

howto · 2025-03-04

How to Get All Keys in Redis Database With Python

In this article, we explain how to get all the keys within a Redis database via the use of the Python pogramming language

howto · 2024-02-16

How to Run PHP File From Command Line

This tutorial explains how to run PHP files on the command line using specific commands.

howto · 2024-02-16

How to Find the PHP Ini File

This tutorial explains how to locate and find the PHP ini (configuration) file.

howto · 2024-02-16

How to Solve R Command Not Found on Bash (Or Cygwin)

This tutorial demonstrates how to solve the r command not found in Bash or Cygwin.

howto · 2024-02-16

How to Create SFTP Functionality in Python

This tutorial educates how to use the SSH File Transfer Protocol (SFTP) in your Python code to move files.

howto · 2024-02-16

How to Calculate the Rolling Standard Deviation in Pandas

This tutorial details how to calculate rolling standard deviation in Pandas.

howto · 2024-02-15

How to Set Up a PHP Interpreter

This tutorial shows us how to set up a PHP interpreter on our local PC.

howto · 2024-02-15

How to Obtain and Read Data in PHP

This tutorial explains how to obtain and read file content and data using built-in functions and decode JSON to arrays in PHP.

howto · 2024-02-15

How to Log Errors in PHP

This tutorial explains how to log errors in PHP and incorporate it within your code.

howto · 2024-02-12

How to Retry a Loop in Python

This tutorial shows and explains how to retry a loop action in a situation where the action fails initially in Python.

howto · 2024-02-02

How to Compare Two Arrays in PHP

This tutorial explains and details how to compare two arrays using operators and functions in PHP.

howto · 2024-02-02

How to Break Out of the Foreach Loop in PHP

This tutorial explains and details in simple steps how you can break out of the foreach loop in PHP.

howto · 2024-02-02

How to Add Array to Array in PHP

This tutorial explains and details how to add array to another array in PHP include older versions

howto · 2024-02-02

How to Work With DatePicker in PHP

This tutorial discusses how to work with DatePicker in PHP using built-in functions and a third-party PHP library.

howto · 2024-02-02

How to Require_once vs Include in PHP

This tutorial explains and details how and when to use require, include, require_once and include_once within a PHP file.

howto · 2024-02-02

How to Include Absolute and Relative Paths in PHP

This tutorial details and explains how to use the absolute and relative path in PHP.

howto · 2024-02-02

How to Calculate Average of Numbers in PHP

This tutorial explains how to calculate a series of numbers, float, or integers in PHP.

howto · 2024-02-02

How to Parse HTML in PHP

This tutorial details and explains how to use HTML and webpages using PHP built-in functions and third-party libraries.

howto · 2024-02-02

How to Use PHP With Visual Studio Code

This tutorial details the process of installing Visual Studio Code, configuring the PHP interpreter and using extension.

howto · 2024-02-02

How to Hash Password in PHP

This tutorial will show you how to carry out password hashing and verification in your PHP code.

howto · 2024-02-02

How to Use jQuery in PHP

This tutorial explains how to use jQuery within your PHP code to increase functionality.

howto · 2024-02-02

How to Upload Multiple Images in PHP

This tutorial details how to use HTML and PHP to upload multiple images at once.

howto · 2024-02-02

How to Convert CSV File to Array in PHP

This tutorial explains how to convert the popular CSV file to array within PHP with the help of built-in functions.

howto · 2024-02-02

How to Parse RSS and Atom Feeds With PHP

This tutorial shows and explains how to parse RSS and Atom feeds with PHP built-in functions and libraries.

howto · 2024-02-02

How to Solve Nodemon Command Not Found

This tutorial explains how to solve the nodemon command not found in NodeJS and npm.

howto · 2024-02-02

How to Solve Error: Make Command Not Found on Cygwin

This tutorial demonstrates how to solve the bash: make: command not found error in Cygwin.

howto · 2024-02-02

How to Check if Input Argument Exists in Bash

This tutorial describes checking if a script user has passed an input argument to a Bash script.

howto · 2024-02-02

How to Solve ValueError: Too Many Values to Unpack (Expected 2) in Python Dictionaries

This tutorial describes how to deal with ValueError and traverse Python dictionaries without errors.

howto · 2024-02-02

How to Solve the Graphviz Executables Are Not Found Error in Python

This tutorial describes how to solve Graphviz executables are not found error in Python.

howto · 2024-02-02

How to Solve Error - Raise JSONDecodeError(Expecting Value, S, err.value) From None in Python

This tutorial describes how to solve JSONDecodeError in your Python code.

howto · 2024-02-02

How to Solve Attempted Relative Import With No Known Parent Package in Python

This tutorial describes how to solve ImportError and deal with relative import in Python.

howto · 2024-02-02

How to Solve Urllib HTTP Error 403 Forbidden Message in Python

This tutorial explains how to prevent an HTTP Error 403 forbidden message when using the urllib module.

howto · 2024-02-02

How to Solve ModuleNotFoundError in Python

This tutorial describes how to solve ModuleNotFoundError when working with Python modules.

howto · 2024-02-02

How to Solve IndexError: Arrays Used as Indices Must Be of Integer (Or Boolean) Type

This tutorial describes how to solve IndexError: arrays used as indices must be of integer (or boolean) type in Python.

howto · 2024-02-02

How to Solve Configure: Error: No Acceptable C Compiler Found in $PATH

This tutorial describes how to solve configure: error: no acceptable C compiler found in $PATH error message when installing Python in Linux.

howto · 2024-02-02

How to Solve AttributeError: 'list' Object Attribute 'append' Is Read-Only

This tutorial describes how to solve AttributeError when working with the list data type in Python.

howto · 2024-02-02

How to Validate Email Address in Python

This tutorial shows how to validate email address in Python using built-in features and libraries.

howto · 2024-02-02

How to Manage Segmentation Fault in Python

This tutorial describes how to detect and manage your Python code to know where segmentation faults occur from.

howto · 2024-02-02

How to Fix TypeError: Must Be Real Number, Not STR

This tutorial describes how to solve the TypeError: must be real number, not str involving real numbers and string mismatch in Python.

howto · 2024-02-02

How to Fix Fatal Python Error: PyThreadState_Get: No Current Thread

This tutorial describes what causes and how to deal with Fatal Python error: PyThreadState_Get no current thread error message.

howto · 2024-02-02

How to Create Getter and Setter in Python

This tutorial describes how to create an OOP getter and setter in Python.

howto · 2024-02-02

How to Use Python Decorators to Retry Code Blocks

This tutorial describes how to use decorators to retry code blocks upon certain exceptions and conditions in Python.

howto · 2024-02-02

How to Set HTTP Proxy Settings in Python

This tutorial demonstrates how we can set up the HTTP proxy settings within our Python environment.

howto · 2024-02-02

How to Create N-Grams From Text in Python

This tutorial shows how to use Python features and libraries to create n-grams from bigram to trigrams.

howto · 2024-02-02

How to Use Circular List in Python

This article describes using a circular list in Python.

howto · 2024-02-02

How to Parse ISO 8601 Date in Python

This tutorial explains how to parse typical DateTime format to ISO 8601 in Python.

howto · 2024-02-02

How to Install Egg File in Python

This tutorial describes how to install .egg file in Python and the tools required to achieve the operation.

howto · 2024-02-02

How to Create Defaultdict of Defaultdict in Python

In Python, Defaultdict is good for handling key errors, and this article explains how to create defaultdict of defaultdict.

howto · 2024-02-02

How to Check if Element Exists Using Selenium Python

This tutorial describes checking if an HTML element exists using the Selenium Python package.

howto · 2024-02-02

How to Change File Permissions in Python

This article will discuss how to change file permissions in Python.

howto · 2024-02-02

How to Read Specific Rows From CSV in Pandas

This tutorial details the ways to read specific rows from CSV in Pandas.

howto · 2024-02-02

How to Multiply Columns by a Scalar in Pandas

This tutorial explains how to multiply a Pandas dataframe column by a scalar value without any issues.

howto · 2024-02-02

How to Multiply Matrix in Pandas

This tutorial explains how to carry out matrix multiplication in Pandas.

howto · 2024-02-02

How to Check if a Cell Is Empty in Pandas

This tutorial details how to check if a cell in a Pandas dataframe is empty.

howto · 2024-02-02

How to Add Column With a Constant Value in Pandas

This tutorial details the different method to assign or add new column with constant value in a pandas dataframe.

howto · 2024-02-02

How to Explode Multiple Columns in Pandas

This tutorial explain how to explode multiple columns in Pandas.

howto · 2024-02-02

How to Return an Array in Bash

This article explains how to return an array in the Bash programming language.

howto · 2024-02-02

How to Remove First Character From String in Bash

This article shows readers how to use the Bash programming language to remove a string's first character.

howto · 2024-02-02

How to Remove Duplicate Lines in Bash

This is an article on how to eliminate duplicate lines from a file in Bash.

howto · 2024-02-02

How to Get Yesterday's Date in Linux

A brief guide on how to obtain the date of the previous day in a Linux system.

howto · 2024-02-02

How to Create a Progress Bar in Bash

This is a guide on creating a progress bar in Bash to display the progress of a running command or process.

howto · 2024-02-02

How to Count Unique Lines in a File in Linux

This is a guide on how to count the number of unique lines in a file using the sort, uniq and awk commands in Linux..

howto · 2024-02-02

How to Count Files in Directory in Bash

This article teaches readers how to count the files in a specific directory using the Bash command line.

howto · 2023-01-30

Pattern Matching in Bash

This article covers the basics of pattern matching in the Bash scripting language, including how to use wildcards and regular expressions.

howto · 2022-11-15

Alternative to the TimeGrouper Function in Pandas

This tutorial showcases the alternative to the TimeGrouper function in Pandas, and how to use it.

howto · 2022-07-01

this and self in PHP

This tutorial explains what OOP is, and how and when to use this and self in your PHP code.

howto · 2022-06-07

cURL GET Request Using PHP

This tutorial explains and details how to carry out GET request operations in PHP using cURL.