Ci dessous, les actualités de quelques sites qui ont tout mon intérêt (à différents niveaux).
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https://izzyo.hashnode.dev/day-1-leetcode-121-best-time-to-buy-and-sell-stock-solution
Difficulty: Easy Language: JavaScript Problem Description You have given an array of prices where prices[i] is the price of a given stockon the ith day. You want to maximize your profit by choosing a single day to buy one stock and choosing a differe...
https://moreshwar.hashnode.dev/hosting
Hosting in JavaScript refers to a process in which the declarations in the code appears to move at the top of the code before execution. Remember its a declaration that moves not the initialization. Note: JavaScript only hosts the declarations, not t...
https://panditdhamdhere.hashnode.dev/state-management-in-reactjs
React is a popular JavaScript library that is used for building user interfaces. One of the key features of React is the concept of "state". In this article, we will explore what states are in React and how they are used. What is a state in React' A ...
https://hamzaelyousfi.hashnode.dev/implementing-binary-search-trees-in-python-a-guide
Definition of Binary Search Trees BST (Binary Search Trees) are a type of user-defined data structure used for hierarchically storing data, each Node of BSTs store data and have two children; The left child stores an item that is smaller than the ite...
https://wightintech.hashnode.dev/day-1-in-100daysofcode-challenge
well... my brain's hurting and I don't even know where to begin this and don't remember how many times I tried coding every day and gave up after a couple of days. So, this time I am taking up this challenge of #100daysofcode and blogging everything ...
https://webofwonders.hashnode.dev/javascript-debugging
JavaScript debugging can be a challenging task, especially when working with large and complex codebases. However, with the right tools and techniques, it is possible to quickly and effectively find and fix bugs in your JavaScript code. In this blog ...
https://kalina.hashnode.dev/javascript-classes
JavaScript classes provide a way to create objects and define their properties and methods. In this article, we'll take a look at how to declare a class, how to add methods and properties to a class, and how to work with inheritance. By the end of th...
https://kiprotichdominic.hashnode.dev/day-2-of-30-primitive-types
According to google datatype is a particular kind of data item, as defined by the values it can take, the programming language used, or the operations that can be performed on it. A data type, in programming, is a classification or categorization of ...
https://ex.hashnode.dev/python-tensorflow
Artificial intelligence (AI) is a rapidly growing field that encompasses various disciplines such as machine learning, deep learning, computer vision, natural language processing and more. AI applications are transforming various industries such as h...
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https://git-first.hashnode.dev/coding-vs-watching-porn
As said i have restarted my coding journey , but for the past 3 years i have been addicted to porn during first 2and half years i didn't see any major changes in my body , but now i am seeing it as my joint pain of hips , i use to be the goalkeeper o...
https://coderbuddy.in/synchronous-vs-asynchronous-in-javascript-understanding-the-difference
Introduction JavaScript is a popular programming language that is widely used for web development. It allows developers to create dynamic and interactive web applications. One of the key concepts in JavaScript programming is the difference between sy...
https://pexpeter.hashnode.dev/ultimate-guide-to-exploratory-data-analysis
Definition Exploratory Data Analysis is an approach to analyzing data sets to summarize their main characteristics, often using statistical graphics and other data visualization methods, according to Wikipedia. It assists us to identify potential iss...
https://codingstars.hashnode.dev/debugging-logical-errors-in-python
Debugging errors based on logic in Python can be a challenging task, but there are several techniques you can use to help you identify and fix errors in your code. Here are some tips to get you started: 'Using print statements Add print statements t...
https://senith.hashnode.dev/how-to-create-a-loading-animation-in-css
If you've ever visited a website, you've likely seen a loading animation. This animation appears while the website is loading, giving the user an indication that the website is working properly. In this article, we'll explore how to create a loading ...
https://pritijaju.hashnode.dev/javascript-objects-and-its-methods
What are objects' The Object represents one of JavaScript's data types. JavaScript objects are collections of key-value pairs. The values can be of any data type, including arrays and other objects. It is a collection of named values. In JavaScript, ...
#WeMakeDevs Introduction JSON (JavaScript Object Notation) is a lightweight data-interchange format that has become the standard for data transfer between servers and clients. It is easy to read and write, and its structure is based on key-value pair...
https://indrajits.hashnode.dev/why-the-function-is-returning-undefined-in-console
The console is basically a CLI in our browser that can execute snippets of code.console is basically an object, it is a property of a window object and it is accessed with window.console or console. Function: When we declare a function. we tell it to...
https://codewithjain.hashnode.dev/day-5-comments-escape-sequences-character-print
Introduction Now things are slowly scaling up. On day 5, I learned about comments, escape sequence characters and some parameters of print statements. In today's blog, I will share more details on my learnings from Day 5 coding journey. So let's get ...
https://bobby-sadhwani.hashnode.dev/functions-in-javascript
What is a function' A function is a reusable piece of code that takes some input, performs some task and returns a value. A function stores a piece of code that we want to use repeatedly. To use a function, we call that function by its name. // Defin...
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https://git-first.hashnode.dev/how-emmet-revolutionalized-the-coding
With emmet you can quickly write a bunch of code , wrap code with new tags , quickly traverse and select important code portions, and more. Emmet is hightly customizalble. Users can easily add new snippets and fine tune the Emmett experience by modig...
https://hiteshkumar.hashnode.dev/reference-error-vs-typeerror-in-js
JavaScript is a powerful programming language that allows developers to create dynamic web applications. However, with great power comes great responsibility, and with JavaScript, that means being aware of the different types of errors that can occur...
https://blog.tiagorangel.com/introduction-to-pwas-progressive-web-apps
Progressive Web Apps (PWAs) are a new way of delivering web content that combines the best of both worlds - the ease of use of native apps and the accessibility of traditional websites. PWAs are designed to provide users with a fast and seamless expe...
https://jaychavan.hashnode.dev/day-3-of-my-full-stack-project
The day of error and debugging :-( Today was all about debugging the error which I got I was testing the code such that just the user with the role admin should be able to see the products but for some reason, it's showing an error which I'm not quit...
https://shakibaenur.hashnode.dev/android-drag-and-drop
Today i want to talk about my one of the most favourite features in android development that is 'Drag and Drop'. In modern user interfaces, drag and drop has become an essential interaction pattern for enabling users to move objects around a screen w...
https://abdelrahmandwedar.hashnode.dev/javascript-struggles-part-7-functions
Function in JavaScript just like most other languages is here to write less code and eliminate duplication. When we use a function it has to do something that's repeated and we wanted to isolate that piece of code. In this article, I'll be explaining...
https://shakibaenur.hashnode.dev/2-approaches-to-load-contacts-in-your-android-application
In this article we are going to have a deep dive into importing phone contacts into an Android application. We'll look at two methods for doing this and weigh their pros and cons. NOTE: All code snippets require the ability to read contacts through p...
https://jaspreetsh.hashnode.dev/understand-how-decorators-work-in-python-with-some-examples
Decorators in python are a way to wrap a function around some code. You can think of it as a middleware for a function in which we can run some code before and after executing the main function. So, A decorator is a function that takes another functi...
https://media.giphy.com/media/flbcUFdLSHwZC03p11/giphy.gif Recently I was building a flutter app and was using Django to build its backend. I wanted to call by APIs from my app which was running on my phone after searching the net I finally found t...
https://mo-ibra.hashnode.dev/how-to-update-an-element-in-a-map-javascript
In this article we will learn how to update an element in a map. It is very common to update an element in a map in JavaScript. Problem Now we have a problem, which is that we want to update the value in the map Imagine we have a map like this: // M...
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Trees are a fundamental data structure in computer science that are used to represent hierarchical relationships between data. They can be found in a variety of applications, such as file systems, database indexes, decision trees in artificial intell...
https://praveenks.hashnode.dev/pca-from-scratch
Principal Component Analysis, or PCA for short, is a commonly used technique in data science and machine learning. It is a powerful tool that helps us to identify the most important patterns and trends in large, complex datasets. In this blog post, w...
https://nisharmultani.hashnode.dev/what-is-react-helmet
react-helmet is a third-party library for React that allows you to manage the document head of your application. The document head is where you can define metadata, such as the title of your web page, character encoding, stylesheets, and JavaScript f...
https://sharooque.hashnode.dev/string-pool-and-string-intern
Overview String pool is a storage space in Java heap memory where string literals are stored. This is maintained by the Java String class. The string pool is empty by default. String Pool improves performance and memory load by reducing the number of...
https://thestarsahil.hashnode.dev/say-hello-to-bunjs
Once upon a time, there was a programmer named Jarred Sumner who loved to code in JavaScript. He spent most of his time creating unique web applications using the language. However, he faced a major challenge - the runtime speed of JavaScript. At th...
https://davidschinteie.hashnode.dev/compare-dates-in-javascript
JavaScript compares two dates by considering their year, month, day, hour, minute, second, and millisecond values. However, if we wish to compare dates only based on their day and disregard their timestamps, we need to adopt a workaround that involve...
https://h.dhairyashah.dev/debugging-is-not-a-nightmare-anymore-for-front-end-applications
The term "debugging" indicates that it involves eliminating or getting rid of "bugs" and errors in the code. Debugging is a crucial step in building software that involves identifying and resolving the bugs in the software's source code. Debugging ca...
https://thecodingsoup.com/pythonic-puzzle-mastering-the-art-of-data-structures-in-python
Data structures are an essential aspect of computer programming that allow developers to organize, store, and manipulate data in a meaningful way. Python, being a versatile and dynamic programming language, offers a wide range of data structures that...
https://fullstacksla.hashnode.dev/python-for-data-science-a-comprehensive-guide
Data science has been one of the hottest topics in the tech industry in recent years. As more and more data is being generated every day, the demand for professionals who can extract meaningful insights from it has grown exponentially. Python is one ...
https://lazerjet.app/why-learn-javascript
In the learning process of a front-end developer, one of the most important programming languages to know and be good at is JavaScript. While it is simple to learn the basics of web page development with HTML and CSS, JavaScript is on another level, ...
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https://dhanushnehru.hashnode.dev/debugging-the-bug-free-code
Introduction As a programmer, you might have come across the phrase "bug-free code". This term refers to software that is free of errors, glitches, and other defects that can cause it to malfunction. However, despite the rigorous testing, debugging, ...
https://goldenbuilds.com/bugs-go-away-my-debugging-adventure
Hey there! I'm Gold and this article is all about my adventures in debugging: "BUGS GO AWAY!!" "BUGS GO AWAY!" is a familiar cry for developers everywhere. As we code, encountering errors, or "bugs", can be frustrating and time-consuming and as devel...
https://srishh.hashnode.dev/javascript
Javascript is the world's most popular programming language. It is light weighted, easy to learn, compiled programming language. It is used in web development. History of JavaScript- Before 1995, web pages were made using HTML and CSS only. In 1995, ...
https://srivastava.hashnode.dev/about-java-script
Java-script First, we look at the history of java-script.mocha >- live-script >- java-script java-script is a programing language that adds interactiveness to our website.This happens in games, in the behavior of responses when buttons are pressed or...
https://bharathkalyans.hashnode.dev/what-is-coupling
Coupling refers to the degree to which one software component depends on another. It describes how closely connected two classes or modules are to each other. A component with high coupling is dependent on another component to work properly, while a ...
https://samcodes19.hashnode.dev/fundamentals-of-javascript
If else Conditionals The "if" statement in JavaScript executes a block of code if a specific condition is met. The "else" clause is used to execute a block of code if the condition is not met. Here is the basic syntax for an "if" statement: if (condi...
Introduction Comparison operators are used in conditional expressions to determine which block of code executes, thus controlling the program flow. Comparison operators compare two values in an expression that resolves to a value of true or false. In...
Introduction JavaScript is a powerful programming language used to create interactive web pages and dynamic user interfaces. However, like any programming language, JavaScript code can contain bugs that can cause unexpected behavior, errors, or crash...
https://ndegz.hashnode.dev/an-introduction-to-python-data-structures-sets-and-dictionaries
This article will teach us Python data structures, sets, and dictionaries. Python data structures are fundamental and helpful in data manipulation and storage. A data structure is a container that helps organize data, making it easy to access or stor...
https://techwithpie.hashnode.dev/streamlit-intro-features-and-components
Introduction In this article, i have discussed about streamlit, its features and its component. The article is designed for those who wants to learn to deploy their machine learning on internet. What is Streamlit and How Does it Work' Streamlit is an...
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https://notyasho.hashnode.dev/python-vs-java-which-is-better
Introduction Python and Java are two of the most popular programming languages in use today. Each language has its unique features and strengths, making it a difficult decision for developers to choose which language to use. In this article, we will ...
https://m4hblogs.hashnode.dev/getting-started-with-git-a-beginners-guide
If you're new to software development or have never used a version control system before, Git can be overwhelming at first. However, once you get the hang of it, Git is an incredibly powerful tool that can make your life as a developer much easier. I...
https://pritijaju.hashnode.dev/flow-of-code-execution-in-javascript
Introduction: JavaScript is a synchronous and single-threaded language. To know how javascript code gets executed internally behind the scenes, we have to know something called Execution Context Execution Context: Everything in javascript is wrapped ...
https://kerollosragaie.hashnode.dev/5-common-kotlin-coroutines-interview-questions
Introduction Coroutines are one of the most important concepts to understand as an Android Developer. They are the recommended solution for asynchronous programming on Android. They allow us to write asynchronous code in a safer, more maintainable an...
https://oluwatrillions.hashnode.dev/solving-coding-challenges
Solving coding challenges is an everyday life experience for developers and programmers. It's the bread they eat and the tea they drink; maybe that's why you see them addicted to coffee and caffeine. Coding challenges aren't peculiar to a level of de...
https://pranavpatani.hashnode.dev/short-circuiting-and-or-nullish-coalescing-and-optional-chaining
The && and || operators In javascript, the && (and) operator and the || (or) operator are among the initial fundamentals we encounter while learning the language. These are also known as logical operators as they help our program decide in which dire...
https://stevenosse.com/flutter-writing-platform-specific-code-on-macos
Introduction Since its first stable version in 2018, first has evolved so much, including support of multiple platforms such as Web, Windows, Linux, and macOS (there's even support for Risk V Architectures!) When using Flutter, you'll write mostly co...
https://ethan91.hashnode.dev/sending-emails-using-python-and-flask-and-gmail
Introduction Hello! ' Recently I was asked on how to send emails using flask and Python, so I'd thought I'd also share how I did it and hopefully it helps you. ' Enabling The Virtual Environment First we need to setup the virtual environment, this...
https://dr2web.hashnode.dev/javascript-control-flow-statements
Conditional Statement : - If statements - If else statements - nasted if statements If statement : - if statement is to make decision and execute statements conditionally. Syntax : if (condition) { 'statement to be executed if con...
https://datalearner.hashnode.dev/learning-python-as-an-adventure
Many students start their programming journey mostly with python which is one of the best languages today. At starting days it was really fun but when we learn more and more new concepts many students quit their journey. This happens because learning...
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Initially, the feature I was supposed to work on was the earnings feature which involves a record of the amount of money an expert makes after each question they've answered but just when I was about to start working on it I found out I had already d...
Hello everyone, tired of searching and being confused about why two similar objects return false when we compare them. So, today I am here to solve all your doubts and make sure you got the concept of it. Objects in JS' You must be curious that what ...
https://dailylearn.hashnode.dev/shortest-js-program-window-this-keyword
In this blog, we will explore the window object in JavaScript and its connection to the "this" keyword. To understand this connection, we will write the shortest possible program in JavaScript and see how it behaves. Here is the shortest program we c...
https://listandtuple.hashnode.dev/array-question
Q : Finding second largest element in the array(PYTHON): Approach 1: First we define two variables large and sec_large and assign values 0 to them. Next we iterate through the entire list and make sec_large to large and large to a number greater than...
https://labeeb.hashnode.dev/how-to-implement-ip-whitelisting-in-nodejs
To implement IP whitelisting in a Node.js backend, you can use the express-ip-filter package. Here's how you can use it: Install the express-ip-filter package using npm: npm install express-ip-filter Require the express-ip-filter package in your ...
https://git-first.hashnode.dev/why-do-we-start-with-hello-world
Since the first hello world program was written in 1972 , it bacame the tradition among computer science professors and teachers to start the programming journey of students by writing hello world . Moreover what i can think this word is quite easy f...
https://chirag-chauhan.hashnode.dev/image-colorization-using-simple-autoencoder-with-custom-data
Image colorization is the process of assigning colors to a single-channel grayscale image to produce a 3-channel colored image output. Before moving to the code section, let's understand what an AutoEncoder is!!! What is an Autoencoder' Autoencoders ...
https://muhammadharis.hashnode.dev/road-map-for-advance-web-development-step-by-step
Advanced web development is a complex and dynamic field that requires a thorough understanding of web technologies, programming languages, and development frameworks. In this article, we will explore the step-by-step process of advanced web developme...
https://kerollosragaie.hashnode.dev/flutter-files-structure-and-organizing-the-app
A growing app has a lot of resources included that are used in various places. With this approach, you'll know where to put things and how to reference them. In this article, we are looking at resource management in Flutter apps. A resource in this c...
https://cswithiyush.hashnode.dev/what-why-how-mobx-a-state-management-solution
Introduction Welcome back to the WhatWhyHow series, in the last article, we covered the WhatWhyHow of Flutter, this week, we are going to look into the WhatWhyHow of Mobx. MobX is a state management library for JavaScript applications. It is commonly...
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https://bypraveen.hashnode.dev/first-class-at-100devs-and-it-was-the-best
Let me give you a quick intro : Hey! I'm Praveen. An enthusiastic software engineer and learner. I am learning full-stack web development and this is my first blog about my first class at #100Dev and all stuff I learned. Contents: What is a trough ...
https://radiantcodes.hashnode.dev/mastering-dart-the-first-step-to-building-flutter-apps
Flutter has become a popular choice for building cross-platform mobile applications, but did you know that learning Dart is a crucial first step' A lot of Flutter developer tends to ignore it. In this article, we'll explore why mastering Dart is esse...
https://mayankaggarwal.hashnode.dev/creating-a-signup-page-from-scratch
Django is a powerful and popular web framework for building web applications. In this blog, we will discuss how to create a signup page in Django from scratch, using Python code. Step 1: Creating a Project Setting up the project: Before we begin crea...
https://blogsbymayank.hashnode.dev/creating-a-signup-page-from-scratch
Django is a powerful and popular web framework for building web applications. In this blog, we will discuss how to create a signup page in Django from scratch, using Python code. Step 1: Creating a Project Setting up the project: Before we begin crea...
https://blogs.prahladinala.in/a-complete-guide-to-css-selector
CSS Selectors CSS selectors are used to select specific HTML elements and apply styles to them. Selectors can be based on the element's tag name, its attributes, or its relationship with other elements on the page. Basic Selectors Universal Selector...
https://itsamanyadav.hashnode.dev/sharing-media-through-apis
Sharing media over the internet has become increasingly popular in recent years with the rise of social media platforms, messaging apps, and other online services. To enable this sharing, many platforms provide APIs (Application Programming Interface...
As a developer, while setting up a new project, we want our code to be clean, readable, and maintainable. To achieve this, we can use tools like ESLint, Prettier, and Husky in the React application. Understanding the tools ESLint ESLint is a popula...
https://devjunaid.hashnode.dev/linear-search-in-javascript
''''''' ''''' ''' '''' ''''''' ''''''', ''''''''''''''' '''''''' '''' indexOf(), includes(), find(), and findIndex(),''' ''''''' '''' ''''''''''''''' '''''''' '''' '''' ''''''' ''''' ''''''' ''' '''''''' '''''' ''''''' ''''''' '''' ''''' ''' ''''''...
https://nidhinidhi.hashnode.dev/day-15-python-libraries
#Day15 of #90DaysofDevops challenge Click here to view Day 15 Task Reading JSON and YAML in Python As a DevOps Engineer you should be able to parse files, be it txt, json, yaml, etc. You should know what all libraries one should use in Pythonfor De...
https://searchengineland.com/search-marketing-history-february-25-393578
SEOs upset over Google featured snippets, plus: Google's red Slow label, Google Panda fallout, PageRank 301 redirect dilution myth and more. The post This day in search marketing history: February 25 appeared first on Search Engine Land.
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https://adicode.ml/divide-and-conquer-algorithms-in-python
Hello there programmers, I am Aditya, back again with another article on python. In this blog post, we're going to dive into the world of Divide and Conquer - a powerful strategy for tackling complex problems. We'll break down the key principles behi...
In this article, let's build a Tic-Tac-Toe application using HTML, CSS, and Vanilla JavaScript. We can alternatively use React as well but in the interview, we certainly don't know if we are allowed to use any libraries like React. If I ask a questio...
https://ex.hashnode.dev/python
Python is one of the most popular and versatile programming languages in the world. It is widely used for web development, data analysis, machine learning, automation, and many other applications. Python has a simple and elegant syntax that makes it ...
https://www.visualcapitalist.com/cp/mapped-the-price-of-starbucks-in-every-country/
Where would you find the most and least expensive Starbucks coffee' These maps show the price of a Tall Latte in every country. The post Mapped: The Price of Starbucks Coffee, by Country appeared first on Visual Capitalist.
https://midesofek.hashnode.dev/how-i-built-a-3d-web3-game-with-thirdweb-unity-sdk
In this article, I will show you how I built my first 3D Endless-Runner game with Unity Game Engine and how I integrated some unique web3 functionalities into the game with thirdweb's gaming kit. I will go over: How the game works && My Inspiration ...
https://tozturk.hashnode.dev/linear-search-vs-binary-search-a-comprehensive-guide
Searching for specific data in a large dataset is a fundamental task in computer science. There are a couple of search algorithms have been developed to manage this task. Some of the most popular algorithms are linear search, binary search, interpola...
https://pliniorb.hashnode.dev/estudos-de-nodejs-o-que-e-o-nodejs
A documentação do Node.js o defini como: Como um ambiente de execução JavaScript assíncrono orientado a eventos, o Node.js é projetado para desenvolvimento de aplicações escaláveis de rede. O Eloquent Java Script, sobre o Node.js, escreve: permite ...
https://sinavski.com/neat-python-api
I've seen many Python interfaces in my career (as in API, not UI). You can quickly spot an ugly one by its size. Below are some recipes on how to make a neat one! Interfaces in Python An "interface" is a nebulous concept that might be initially hard ...
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Ceci est un site qui explore certains mécanismes du Web 2.0, histoire de jouer avec tout ça...
Oui, une sorte de mashup 2.0 appliqué à la veille informationnelle... Hum, rien de neuf ?
Expérimental, c'est un site collaboratif à usage d'une seule personne. Ou presque.