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SQL Server REPLACE() Function

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1. Introduction SQL defines the REPLACE function which takes three required arguments and returns a new string in which all occurrences of the substring are replaced by a new substring. REPLACE(input_string_arg, searching_substring_arg, replacing_substring_arg) input_string_arg – required, the searching source data.searching_substring_arg – required, the substring to be replaced.replacing_substring_arg – required, the replacement substring to be used to replace the searching_substring_arg. Note: ...

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Docker Desktop for Mac OS and Windows

1. Introduction In this article, we will explain how to set up Docker Desktop on Mac and Windows. Docker is used for creating apps in the Docker environment with the packages required for building the apps. Docker helps in OS-level virtualization. 2. Docker Desktop Docker is used in the development and building of applications as a software package to create ...

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What are Terraform Modules and how to use them

Hello. In this tutorial, we will understand Terraform modules. 1. Introduction Terraform is a tool for building, changing, and versioning the infrastructure safely and efficiently. It is used to manage the infrastructure of the popular cloud service providers and custom in-house solutions. It helps manage both low-level (Compute, Storage, Networking, etc.) and high-level components (such as SaaS, DNS, etc.) Terraform ...

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How to use Terraform locals

Hello. In this tutorial, we will understand Terraform locals. 1. Introduction Terraform is a tool for building, changing, and versioning the infrastructure safely and efficiently. It is used to manage the infrastructure of the popular cloud service providers and custom in-house solutions. It helps manage both low-level (Compute, Storage, Networking, etc.) and high-level components (such as SaaS, DNS, etc.) Terraform ...

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IPython Tutorial

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In this tutorial, we will explain IPython and its features through examples. 1. IPython Tutorial – Overview One of Python’s most useful features is its interactive interpreter. It allows for very fast testing of ideas without the overhead of creating test files as is typical in most programming languages. However, the interpreter supplied with the standard Python distribution is somewhat ...

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Python SQLite Tutorial

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Hello in this tutorial, we will explain the SQLite implementation in Python flask. 1. Introduction SQLite is a software library that provides a relational database management system. It is lightweight in terms of setup, database administration, and required resources. It is self-contained, serverless, zero-configuration, transactional. Self-contained means that it require minimal support from the operating system or any external library ...

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CRUD Operations using Python FastAPI

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Hello in this tutorial, we will implement the CRUD operations using the FastAPI framework in Python. For the database, we will be using SQLite. 1. Introduction FastAPI is a fast and high-performance web framework for building api with python 3.6+. It offers many features like:  High performance Automatic interactive code generation Offers great editor support and documentation 1.1 SQLite SQLite ...

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Python Inheritance with Examples

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In this article, we will explain Inheritance in Python using examples 1. Introduction Python is an easy-to-learn, powerful programming language. It has efficient high-level data structures and a simple but effective approach to object-oriented programming. Python’s elegant syntax and dynamic typing, together with its interpreted nature, make it an ideal language for scripting and rapid application development in many areas ...

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SQL Add Column Example

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In this article, we will explain how to add a column in SQL. 1. Introduction An application’s requirements change over time. Sometimes it needs to increase the size of a column to handle larger data, sometimes it needs a new column to handle additional information. SQL ALTER TABLE statement is used to add, delete, and modify a column, and generally, ...

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Docker logs Command

In this article, we will explain the Docker logs Command. Every time a container is run, it generates logs of its activities. The docker logs command shows information logged by a running container. Logs are the best way to understand the inner workings of a container. Docker logs are important for developers and DevOps engineers. Logs are most useful when ...

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