Design Of Frontend And Backend In CodeIgniter 4

Codeigniter 4 Frontend and Backend In this tutorial I am going to give you an idea how to build frontend and backend functionalities separately so that the future maintenance would be easier. Frontend generally accessed by the end users of the websites whereas, backend is used by mainly admin users who manage different functionalities of the website. The backend admin…

Codeigniter 4 MySQL AJAX CRUD Example

Codeigniter 4 CRUD In this tutorial I am going to show how to build CRUD (Create Read Update Delete) application using Codeigniter 4 and MySQL database using basic AJAX (Asynchronous JavaScript and XML) technique. I won’t use AJAX technique for all four operations, i.e., fetching (Read), saving (Create), updating and deleting. Out of these four operations, I will use AJAX…

Spring Boot Composite Primary Key Example

Composite Primary Key Composite primary key is a combination of two or more columns in a table. So instead of a single column to be a primary key, more than one column or field is made to be a primary key to uniquely identify the rows in a given table. Let’s say you have created a table called user in your database…

JSF 2 AJAX Example – Check Username Availability

JSF 2 AJAX In this tutorial I am going to show you how to use AJAX (Asynchronous JavaScript And XML) technique in JSF (Java Server Faces) based applications. AJAX is generally used for updating or refreshing a small part of the page because, you may not need to refresh the whole page. Here in this example I am going to…

Spring Boot Cucumber Integration Using Gradle

Cucumber Cucumber is a BDD (behavior driven development) framework for running automated acceptance or integration test cases. Cucumber framework is written in Ruby language, but it is also available in other programming language. Cucumber uses Gherkin parser but the implementation is done using the target language. Cucumber allows the execution of feature documentation written in business-facing text. Cucumber works with…

How To Create Empty Files For Existing Files In Unix

Empty File In this example I will show you how to create empty files for files in Unix or Linux based systems. You may need to create empty files for a list of corresponding files in a directory or folder. To create an empty file generally you may use touch command in Unix shell terminal. It is always simple to…

Python Excel Merge Unmerge Cells

Merge/Unmerge Cells In this example I am going to show you how to merge and unmerge cells in excel sheet using Python script. You can merge two or more columns in a single row or multiple rows in excel file. For merging cells you need to specify the range of rows and columns in the excel sheet. So, you need…

Insert Images In Excel File Using Python

Images in Excel In this example I am going to show you how to insert images in excel file using Python script. You may have a requirement that needs to insert one or more images into an excel file. Either to represent something using the images in the excel file or you may need both text and images into the…

HTML Table Conditional Cell Color Using React

HTML Table HTML table is mainly used to display data in tabular format in rows and columns. Each row contains one or more columns to display data. Each row is indicated by <tr/> tag, whereas each column is indicated by <td/> tag. The HTML table is indicated by <table/> tag. The HTML table header is indicated by <thead/> and body is indicated by <tbody/> tag. In this example I am…

HTML Table Conditional Cell Color Using Angular

HTML Table HTML table is generally used to display data in tabular format in rows and columns. Each row contains one or more columns to display data. Each row is indicated by <tr/> tag, whereas each column is indicated by <td/> tag. The HTML table is indicated by <table/> tag. The HTML table header is indicated by <thead/> and body…