Reload Changes in Flask Web App Without Server Restart

Introduction In this example I am going to show how your application can reload changes without server restart in Flask applications in development environment. Situations may occur when you need to speed up your development works without having to worry about restarting the server for every change in the piece of code in your application. Flask development server provides such…

CodeIgniter 4 Custom Helper Functions

Introduction In this example I am going to discuss how to create custom helper functions in CodeIgniter 4. Helpers in CodeIgniter helps you with tasks. Each helper file is simply a collection of functions in a particular category. There are URL Helpers, that assist in creating links, there are Form Helpers that help you create form elements, Text Helpers perform…

Auto Delete Backup Files Using Shell Script Cron Job

Introduction In this shell programming example, I am going to show you how to delete backup files automatically using shell script cron job. So, I will create a shell script in Unix programming and setup a cron job to automate the delete process. This automatic job will save your manual efforts of deleting files from the folders. You don’t need…

CodeIgniter 4 Filters Example

Introduction In this tutorial, I will discuss about how to work with CodeIgniter 4 filters. These filters are controller filters. Controller Filters allow you to perform actions either before or after the controllers execute. Unlike events, you can choose the specific URIs in which the filters will be applied to. Incoming filters may modify the Request while after filters can…

CodeIgniter 4 Consume External REST APIs

CodeIgniter 4 REST API Client In this tutorial I will show you how to call or consume external REST APIs in CodeIgniter 4 framework. REST is an acronym that stands for Representational State Transfer. I had shown how to build REST API CRUD Example earlier but here I am going to show an example on CodeIgniter 4 consume REST APIs….

CodeIgniter 4 MySQL Login Logout Example

Introduction This tutorial is about CodeIgniter 4 MySQL Login Logout example with MySQL database version 8. I will use CodeIgniter’s session library to store logged in user’s data. The session data get destroyed as soon as user logs out of the application. I am also going to create a custom config to use a key or variable across the application….

CodeIgniter 4 Generate PDF Report

Introduction The tutorial, CodeIgniter 4 Generate PDF Report will show you how to fetch data from MySQL database and generate PDF document using CodeIgniter 4 framework. Here I am going to use how to use TCPDF third party library with CodeIgniter 4 framework to put data into pdf document. CodeIgniter framework does not provide any built-in facility to generate pdf…

CodeIgniter 4 Generate HTML Table Data

Introduction The tutorial, CodeIgniter 4 Generate HTML Table will show you how to fetch data from MySQL database and generate HTML data using CodeIgniter 4 framework. You generally iterate through a list of records and put them into an HTML table for displaying to end users. But here I am going to show you how to use CodeIgniter 4 framework…

CodeIgniter 4 Load Third Party Library

Introduction In this tutorial I am going to explain how to load third party libraries (or library) in CodeIgniter 4 framework. The third-party libraries are placed under app/ThirdParty folder in CodeIgniter 4 framework. You may need to use third party libraries while you are building applications using CodeIgniter 4 framework. For example, you may want to purify HTML output, you…

Cron Job Shell Script To Auto Backup Web Site Files

Web Site Backup Here I am going to show you how to setup auto backup web site files using shell script cron job. In the world of web, it is recommended that you take care of your web site files by taking backups of them frequently. If anything goes wrong so that you can take an appropriate action on your…