The Python Requests library offers various tricks and tips for making HTTP requests. Here are some examples of its usage: Sending HTTP requests with arbitrary data: The requests library allows you to send HTTP requests with arbitrary data, such as JSON, XML, or even binary data. Here’s an example of sending a JSON payload to …
Higher-order functions are a fundamental concept in functional programming, and Go is no exception. In some time ago we explored how to implement some of the higher order functions in Python,you can check out the video here . In this tutorial we will learn how to implement them in Go. In Go, higher-order functions are …
Implement Higher Order Functions in Go Lang – Map, Reduce and Filter Read More »
Pygwalker is a python framework with a look and feel like Tableau, that allows data scientists to analyze data and visualize patterns with simple drag-and-drop operations. In this tutorial we will see how to use PyGWalker in Flask. We will build a web application whereby a user can upload a csv file and analyze it …
NiceGUI, similar to Streamlit has a feature to work with file uploads. In this post, we will explore how to work with file uploads and how to handle the contents of the uploaded file. Let start with how to use the file upload widget in NiceGUI Basic File Uploads The ui.uploads is used to work …
Oxygen.jl is a simple microframework that is quite useful for creating web apps and APIs in Julia. In my opinion, it is like the Flask of Julia as GenieFramework.jl is like the Django of Julia. Since it is quite new( Sept 2023), it does not yet have support for using Jinja – a templating engine …
How to Use Jinja-Like Syntax in Julia Web Apps with Oxygen.jl Read More »
Julia unlike Python or Go Lang does not have a lot of packages for building web applications. In Python, there are several popular battle tested web frameworks for building web applications such as Django, Flask, FastAPI, Tornado, Bottle, CherryPy, Streamlit, etc. Golang also has several packages for web programming. However in Julia we have a …
There are several ways to avoid the N+1 query problem in Django: Use select_related: select_related is a method that performs a SQL join and includes the fields of the related object in the SELECT statement. It’s useful when you have ForeignKey or OneToOneField on your model and you know you’ll be accessing the related object for each item …
Django Query Optimization – Avoiding N + 1 Problems Read More »
Recently I was working on a project that involved how to keep track of changes made to a django model. This brought us to consider which approach to use, i.e whether to copy or to version using different strategies. To begin let us understand the different between the two concept. Difference Between Copying A Model …
Copying Model Instance Vs Versioning Model Instance In Django Read More »
Ufw (Uncomplicated Firewall) is a firewall management software which is quite useful during devops and system administrative tasks. By the end of this post, you will learn How to install and setup a firewall How to allow and deny access via ports How to delete rules etc Let us start. Installation and Setup To install …
To use a multiple select with Django ModelChoiceField for forms, you should use the ModelMultipleChoiceField instead. This field allows you to select multiple options from a queryset of model instances.Here’s an example of how to use ModelMultipleChoiceField with a multiple select widget in a Django form: Create your models: Define your models in the models.py file. In this example, we have a Tag model and …