Python

All about Python Dictionary

In this article, you will learn everything about Python dictionaries which is an useful in-built data structure frequently used to handle data. Dictionaries are unordered mapping for storing items.

Software Engineering

Application Structure of Django

Django is one of most widely used Python web development framework and powers several popular applications. In this article, we have explored the structure of a Django web application. It follows Model, Template and View (MTV).

Software Engineering

Create Login Page in Flask using sessions

There are many ways to create user login in Flask like using flask-login or JWT and many more. But using sessions is the simplest to logged the user in or out which we have explored in this article.

Software Engineering

Override getattr in Python

Methods like __getattr__, is called when an atrribute is not found in the usual place(i.e. it is not an instance attribute nor is it found in the class tree for self).

Software Engineering

NamedTuples objects in Python

Using NamedTuples in Python helps you self-document your code conveying meaning to each field. Its methods allow you to work more easily with data.

Software Engineering

Class based Generic Views in Django

Class-Based Generic Views are a superior set of Built-in views that are used for the implementation of selective view strategies such as Create, Retrieve, Update, Delete.

Software Engineering

Creating JWT Authentication in REST API in Flask

JSON Web Token is a string which is sent in HTTP request from the browser to the server to validate authenticity of the client. We have demonstrated how to create JWT Authentication in REST API in Flask.

Software Engineering

.norm() method of Numpy library in Python

In this article, you will know about vector norm and the method to apply them in python by using the Linear Algebra module of the NumPy library. In general, three types of norms are used: L1 norm, L2 norm and Vector Max Norm

Software Engineering

Counter Objects in Python

In this article, we have explored Counter Objects in Python in depth. Counter is a part of collections module and is a subclass of a dictionary which is used to keep a track off elements and their count.

Software Engineering

Different container Data Structures of Python’s Collections Module

In this article, we have explored the different data structures available in Collections module of Python which includes named tuple, counter, deque, default dictionary, ordered dictionary and chainmap.

Software Engineering

Defaultdict (Default Dictionary) in Python

A default dictionary is a dictionary that automatically assigns default values to keys, if queried keys are not present. The default dictionary is Python's intelligent hash table.

Software Engineering

Designing Complex Numbers using Classes in Python

We have explored the concept by utilizing built-in mathematical operations to create our own complex Number utility in Python using Classes (OOP concepts).

Software Engineering

Solving Linear Programming problems in Python using cvxpy library

Linear programming requires that all the mathematical functions in the model be linear functions. We have solved linear programming problems in Python using cvxpy library.

Software Engineering

Online C Code Compiler using Flask

In this article, we have explored how we can develop an online C Programming language compiler using Flask (a Python web framework). It can be extended to support any programming language.

Software Engineering

Handling date and time in Python using datetime module

We explore the datetime module provided in Python programming language and how to use its various functionalities in implementation along with various types of objects and classes within it.

Machine Learning (ML)

Text Preprocessing in Python using spaCy library

In this article, we have explored Text Preprocessing in Python using spaCy library in detail. Some techniques we have covered are Tokenization, Lemmatization, Removing Punctuations and Stopwords, Part of Speech Tagging and Entity Recognition

Software Engineering

Ways to ZIP a file in Python

In this post, we have covered how to ZIP a file in Python, how to extract files from a ZIP file, how to print contents of a ZIP file using Python and much more with Python code examples.

Python

Node structure of different trees in Python

We have explored the node structure in Python of different trees in data structure. This gives fundamental idea of implementing such trees in Python. Some of the trees we explored are Binary Tree, Binary Search Tree (BST), AVL Tree, B Tree, B+ Tree, Red-Black Tree, Treap, Splay Tree and R Tree.

Software Engineering

Boolean and None in Python

"if x" and "if x is not None" are not equivalent - the proof can be seen by setting x to an empty list or string. In this article, we have explored the two important concepts namely boolean and none in Python.

Software Engineering

Variable scope in Python

The variable scope in Python is the part of a program where a variable is accessible. A variable can be accessed within the region it is defined, we call this it's scope.

Software Engineering

Complex Numbers in Python

In this article, we have explored how to work with Complex Numbers in Python which is supported in Python inherently as a fundamental datatype. We have covered the different operations as well.

Software Engineering

2D Arrays in NumPy (Python)

In this article, we have explored 2D array in Numpy in Python. Numpy is a Python library for numerical computations and has a good support for multi-dimensional arrays.

Software Engineering

Different ways to unzip a file in Python

When working with archived files there are various ways in which you can unzip your file. In this article we will learn how to extract single or multiple files from a zip file, unzip the whole file etc.

Software Engineering

zipfile module in Python

We have explored zipfile module in Python in depth. It is used for all operations related to ZIP file and used to create such ZIP files.

Software Engineering

Creating archive for larger files in Python

In this article, you will learn how to use the functionality provided by Python modules to get the size of a file, recursively traversing the directories and creating a directory,creating writing to a file,creating an archive of files.