Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Flask, a lightweight web framework for Python, offers various tools and libraries for building dynamic web applications. When it comes to implementing user authentication in Flask, developers often turn to traditional database systems. However, there are cases where using a database might be unnecessary or overkill, such as small−scale applications or rapid prototyping. In such scenarios, implementing a Flask login system without a database can be a simple and efficient solution. By using memory data structures and Flask's session object, developers can create a basic login system that stores user information without the need for a database. In this article, ... Read More
Delimiters are the characters that separate a string from other characters, for example in a sentence in our normal day to day reading activity, we find out the different words because it is separated by spaces. We have () parenthesis as main delimiters in mathematical and regular expressions. The concept of substrings and their manipulation is very important in programming, especially in c which is a language used to write compilers and assemblers. The delimiters are identified in the string and the characters after the starting delimiter are copied into another variable, until the ending delimiter. The == ... Read More
In this tutorial, we will explore the powerful graph algorithms available in the NetworkX library for Python. NetworkX is a widely−used package for the creation, manipulation, and study of the structure, dynamics, and functions of complex networks. It provides an extensive collection of algorithms and functions for working with graphs, making it an excellent choice for analyzing and visualizing data in various domains. In this article, we will walk through several graph algorithms and their implementations using NetworkX. We will start by understanding the basics of graphs and how to create and manipulate them using NetworkX. Then, we will dive ... Read More
Python has emerged as a powerful language for a wide range of applications, and its versatility extends to the exciting realm of Generative Adversarial Networks (GANs). With Python's rich ecosystem of libraries and frameworks, developers and researchers can harness its potential to create and explore these cutting−edge deep learning models. In this tutorial, we will take you on a journey through the fundamental concepts of GANs and equip you with the necessary knowledge to start building your own generative models. We will guide you step by step, unraveling the intricacies of GANs and providing hands−on examples using Python. In ... Read More
Python Requests is a well−liked library for sending HTTP requests in Python. It provides a simple and natural method of interacting with websites and APIs. However, just like with any other programming task, handling exceptions correctly is crucial when working with the Requests module. You can handle errors politely and prevent your program from crashing or producing unexpected results by using exception handling. This article will go over some best practices and look at the significance of the Python Requests module's exception handling. Understanding Exceptions An exception in Python is an occurrence that interferes with the regular flow of ... Read More
In today's fast−paced world, road accidents due to driver drowsiness have become a major problem. The danger of accidents caused by drowsy driving can be reduced using modern technologies, including drowsiness detection using Python and OpenCV. When paired with OpenCV, a strong computer vision package, Python, a versatile programming language, provides an effective method for detecting tiredness in drivers. Python OpenCV enables the development of a trustworthy system that can notify drivers by monitoring facial features and identifying indicators of tiredness, such as eye closures or head motions, thus preventing accidents and ensuring road safety. In this article, we will ... Read More
The challenge of finding the largest number not exceeding a given number N and not containing any of the digits in a string S is a problem that involves string manipulation and number theory. The goal is to determine the greatest possible number that is less than or equal to N while also excluding all of the digits found in the string S. For instance, consider a scenario where N is equal to 1000 and S is equal to "42". In this scenario, the largest number not exceeding N and not containing any of the digits in S would be ... Read More
STL basically stands for Standard Template Library, which is a collection of pre-written code frequently used in Data structures and Algorithms. It was developed in the early 1990s by Meng Lee and Alexander Stepanov. It consists of mainly three components known as containers, algorithms and iterators. Containers are objects that stores and manipulate data such as list, vector, set, map and stack. Algorithm are functions which works on the data stored in the containers such as searching, sorting and also manipulating data. Iterators are object that navigates through the elements of a container easily. STL has became an ... Read More
Excel is a powerful tool that offers a variety of functions for data manipulation and analysis. To extract bold text only from a list in Excel, you can use a VBA macro. Extracting Bold Text Only from a List in Excel Here, we will first create a formula using the VBA application and then use it to complete the task. So let us see a simple process extract bold text only from a list in Excel. Step 1 : Consider an Excel sheet where you have a list of sentences as shown in the below image. On current visible ... Read More
Negative values can occasionally interfere with data analysis or calculations, and deleting them might help you focus on the good parts of your data. Excel provides effective options for filtering out undesired rows with negative values, whether you're working with financial records, survey results, or any other type of data. In this tutorial, we will walk you through the process of detecting and eliminating rows in your Excel spreadsheet that have negative values. Deleting Excel Rows with Negative Values Here we will first create a VBA module and select the range of cells to complete the task. So let ... Read More