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Samedi 10 Septembre 2022 (205)

1: Javascript Interview Preparation Cheatsheet

Hashnode - javascript (Javascript)

Here we will be discussing some crucial topics of Javascript Interviews Scope Single Thread Call Stack Hoisting Scope Scope and scope chain are a little hard to understand in one go. So for better understanding I am going to first explain it in a b...

2: Javascript Interview Preparation CheetSheet

Hashnode - javascript (Javascript)

The most frequently asked questions in Javascript Interviews are basically from some core topics of Javascript, which are Call Stack, Scope Chain, Multi-Paradigm, Single Thread , Hoisting, Prototype-based Object Oriented and 'this' -keyword. Let's ...

3: JS interview Prep cheatSheet

Hashnode - javascript (Javascript)

JavaScript Under the hood JavaScript is a synchronous single threaded programming language. Synchronous which mean an event is happening and everyone in the event are participating. Single threaded meaning in the same event there are multiple tasks ...

4: My Latest Project....

Hashnode - javascript (Javascript)

Introduction Snap is a new feature released by metamask to enhance developers experience on their wallet. A "snap" is used to alter the wallet experience in a private setting. For instance, utilizing internal APIs, MetaMask may easily add new APIs, ...

5: Call Stack in JavaScript

Hashnode - javascript (Javascript)

In this article we explore how function calling actually works with the help of call-stack, how functions get pushed and popped basis of their position in the stack and how this helps in execution of a JS program !!! ' ' What is the Call Stack in ...

6: JavaScript Interview Question Cheatsheet

Hashnode - javascript (Javascript)

1. Scope: Global Scope: The global scope includes any variable that is not contained within a function or block (a pair of curly braces). Global scope variables can be accessed from anywhere in the program. Local Scope: Variables declared inside ...

7: Single Threading in JS

Hashnode - javascript (Javascript)

Here we explore the peculiar single-threaded nature of JavaScript and how it is different from other languages like Java which are multi-threaded. So buckle up and get ready for this tech-ride !!! ''' '''' What is a thread ' A thread in compute...

8: So You've Learned to Code' Now What'

Hashnode - javascript (Javascript)

Regularly I see online, in learning forums, in Q and A's on coding sites and on all social media, questions from newbies asking predominantly: 'I know HTML, CSS and JavaScript, can I get a job now' 'How can I share my new knowledge' How will anyone k...

9: JavaScript Interview Preparation Cheatsheet

Hashnode - javascript (Javascript)

In this article, we'll cover a few mostly asked interview questions that will help you to crack your next JS interview. Scope The scope is an important concept that determines the accessibility of variables, functions, and objects. In JavaScript, th...

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10: Call Stack in javascript

Hashnode - javascript (Javascript)

what is call stack ' Basically call stack is data structure that works on the principle of LIFO(last in first out). In javascript call stack is used to keeps track of functions invocations(calls). Whenever javascript code starts executing, a global ...

11: An interview preparation cheat sheet.

Hashnode - javascript (Javascript)

1 . Scope JavaScript has the following kinds of scopes: Global scope Module scope In addition, variables declared with let or const can belong to an additional scope Block scope: The scope created with a pair of curly braces { let x = "In With...

12: Structuring SEO and Format of a page in Next.js Effectively

Hashnode - javascript (Javascript)

Organizing your Next.js application and using components. Imagine you want to use Next.js to build an application and that you want each page to have a distinct SEO strategy as well as the same header, footer, and navbar. What you can manage to do' T...

13: Arrays

Hashnode - javascript (Javascript)

Arrays are special kind of data which can hold many values How we can create an array ' using an array literal [] using the new keyword creating an array using array literal [] creating an array using new keyword you can store different data t...

14: Day-2 JavaScript Implementation, Syntax and Variables

Hashnode - javascript (Javascript)

Hello Everyone, Today is our 2nd Day of JavaScript Series. In this tutorial,we'll learn - Where to implement JavaScript code ' JavaScript Syntax Variables So let's start it and dive in deep. Where to implement JavaScript code ' There are total 3...

15: JavaScript Interview Cheat Sheet

Hashnode - javascript (Javascript)

JavaScript is an interesting language to learn but when it comes to an interview lot of the time we did not know how the internal working of JavaScript code. This is the reason we fail in the interviews. In this article, we will be discussing some of...

16: JavaScript Interview Cheat Sheet

Hashnode - javascript (Javascript)

Hi Guys!! today I am going to discuss about some interesting topic on JavaScript The topics are below mentioned Scope Single Thread Call Stack Hoisting before that we need to know lil bit about JavaScript What is JavaScript' JavaScript (or "JS...

17: Want to Become a Data Analyst

Hashnode - python (python)

We have some exciting news today: We are released a new online course that's going to make a big impact for you. It goes on sale today, but we couldn't wait to share the details with you. Announcing... Become a Data Analyst. You can also have a smal...

18: Meet my Latest Mini Project, I built Weather App using JS, Tailwind, and RapidAPI, and I learned How RapidAPI Works.

Hashnode - javascript (Javascript)

Today, I learned the inner workings of RapidAPI by building a weather app with JavaScript, and Tailwind CSS. I built this app without using a fancy framework; however, I did need a weather API, so I looked around RapidAPI Hub till I found WeatherAPI....

19: JavaScript Interview preparation cheat-sheet.

Hashnode - javascript (Javascript)

Hi Devs, Hope you are doing great, Today in this blog we will discuss the important topic in JavaScript for interview perspective. Scope { } There are three type of scope in JavaScript. Global scope Block Scope Functional Scope Global Scope Globa...

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20: All you need to know about JSON'

Hashnode - javascript (Javascript)

What is JSON' JSON stands for JavaScript Object Notation It is an open standard file format and data exchange format that employs text that humans can read to store and send data objects made up of attribute-value pairs and arrays (or other serializa...

21: All you need to know about JSON'

Hashnode - javascript (Javascript)

What is JSON' JSON stands for JavaScript Object Notation It is an open standard file format and data exchange format that employs text that humans can read to store and send data objects made up of attribute-value pairs and arrays (or other serializa...

22: How can I keep track of my a thousand passwords'

Hashnode - python (python)

Hi Good People, I am doing 100 days of code and I am on day 5. I would like to share some tips and tricks regarding today's project. As you guys know, many people's accounts are getting hacked and their passwords are getting stolen. Once a hacker has...

23: JavaScript Interview CheatSheet

Hashnode - javascript (Javascript)

Hi guys, in this article we will be learning about the most common and important questions that are asked in a JavaScript Interview. Let's start with the topics. Single Thread Programming Language We have heard that JavaScript is a single-threaded la...

24: JavaScript Interview Cheat Sheet

Hashnode - javascript (Javascript)

What is scope chaining in JavaScript and give an example. To explain scope chain we go through this function below. We have three scopes here global scope, parent scope and child scope. Since we are adding all the variables, the program will search f...

25: How to integrate Twilio Sendgrid into your Django Application

Hashnode - python (python)

How to integrate Twilio Sendgrid into your Django Application Hey guys, Today, we will be learning how to integrate Twilio Sendgrid into our Django Application. For those who do not know what Twilio Sendgird is, here's a brief introduction. Sendgrid...

26: Basic Express Server And Router Setup

Hashnode - javascript (Javascript)

Getting started with the MERN stack', in this article, we will walkthrough setting up a server backend using NodeJS as a runtime for express frameworks. Lets take a quick glance at our outlines below. Table of Contents What is expressJs framework' ...

27: Scope in JavaScript

Hashnode - javascript (Javascript)

Hey there peeps! I am back with another article... this time it is about one of the core concept of JS : Scope. The idea here is to explain how scoping works and what key notes you can take away from this important concept. So without further ado, le...

28: Scope and Hoisting of Variables in JavaScript

Hashnode - javascript (Javascript)

JavaScript variables are containers for storing data values. Conceptually, they are one of the most fundamental concepts to learn! You've likely heard of the three ways in which variables can be declared: var, let & const. In this article, we'll be t...

29: JavaScript Interview Preparation Cheatsheet

Hashnode - javascript (Javascript)

Scope The scope can be termed as limitations and availability on how values and expressions can be referred to or accessed. If variable or expression is not in the current scope, they won't be available to use. Scopes are Layered in Hierarchy Chil...

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30: JavaScript Interview Cheatsheet

Hashnode - javascript (Javascript)

Scope What is scope' In simple terms, scope is nothing but a piece of area in our code where a variable is accessible to us. Types of scope: Global scope Block scope Function scope or local scope Let's go through each of this type. Global Scope: Va...

31: Decorators in Python!!!

Hashnode - python (python)

In general term, decorators are those who decorates something to make it prettier. Similarly, In python, decorators are those functions which decorates another function. Some Information related to python decorators: Decorators takes a function as a...

32: Javascript Array Methods: Foreach, Map, Filter

Hashnode - javascript (Javascript)

Hi Everyone, My friend is starting to learn how to code, and this week I worked with him on some Javascript higher order functions for arrays. Which made me want to share with those also learning. Let's get started! ForEach The forEach array method i...

33: Understanding JavaScript Events

Hashnode - javascript (Javascript)

The interaction of JavaScript with HTML is handled through events. Events are actions that occur when either the user or the browser itself manipulates the page. Some common events that occur with websites are page loads, button clicks, keypresses, h...

34: Internal working of javascript

Hashnode - javascript (Javascript)

Javascript is synchronous single threaded language. means it executes the code in order line by line. how it works we will look in upcoming articles. Before we deep dive into the execution of javascript code, let explain some pre-requisite terms. ...

35: Day-1 What is JavaScript '

Hashnode - javascript (Javascript)

Hello Developers, Greeting of the day. Today, I am going to tell you about the basics of JavaScript. If you want to become a successful developer, whether it is Front end, backend or even blockchain development, JavaScript is being used widely every...

36: How Edo Guida got a Python job in two months with no programming background

Hashnode - python (python)

Skilled Python Professionals' Demand Take a look at this article to understand why Python is the programming language of the present and the future. Okay, you've already got a reason to learn Python: you will have more chances because Python-related ...

37: Creating your First Django App

Hashnode - python (python)

Introduction Django is a free and open-source high-level Python framework that makes it faster and easier to build and maintain websites. Built by experienced developers, it takes care of much of the hassle of web development, so you can focus on wri...

38: LeiaPix Converter

The Starter Kit ()

Convert your everyday photos into stunning Lightfield Animations. LeiaPix Converter posted by @Skeku on

39: JavaScript interview preparation cheat sheet

Hashnode - javascript (Javascript)

First we will discuss about Scope in Java Script. Scope in JS: A variable's scope is the part of a program where it is available for use. JavaScript variables are lexically scoped, meaning that we can determine a variable's scope from where it is ...

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40: La mise à jour de PowerToys de Microsoft ajoute l'OCR

Le monde informatique (Informatique / Internet)

Microsoft vient de publier une mise à jour importante de PowerToys, cet ensemble d'utilitaires destinés à personnaliser Windows. (...)

41: JavaScript Interview Cheat Sheet

Hashnode - javascript (Javascript)

Are you all worried about how to Crack the JavaScript Interview are you unable to explain scope, call stack and hoisting. I am here to help you out by explaining the content. Topic which I cover in this article Scope Single Thread Call Stack Hoist...

42: JavaScript Interview Cheatsheet

Hashnode - javascript (Javascript)

Contents of the Article Scope Single Thread Call Stack Hoisting Scope Scope in programming languages is the visibility of a variable or a function. It can be defined as the Life of a variable or function or object. The scope of any program ca...

43: Scope in Javascript

Hashnode - javascript (Javascript)

Scope A scope is a current execution area in which values and expressions are "visible" or can be referenced. JavaScript has the following kinds of scopes: Global scope: The default scope for all code running in script mode. Module scope: The scope ...

44: WhatsApp Web : comment utiliser le service de messagerie sur ordinateur '

Le Big Data (dataviz)

WhatsApp Web est compatible sur tous les ordinateurs et navigateurs existants sans que vous ayez à télécharger l'application. L'installation se … Cet article WhatsApp Web : comment utiliser le service de messagerie sur ordinateur ' a été publié sur

45: Why Use Node js in 2022'

Hashnode - javascript (Javascript)

Eagerly want to create an eCommerce app, but you're not sure which software development technology to utilize. JavaScript is one of the most frequently used programming languages. 69% of those surveyed indicated that JavaScript was the most frequentl...

46: useSyncExternalStore - L'API React sous-estimée

Humancoders ()

Le nouveau hook useSyncExternalStore est plus utile que vous ne le pensez. Il pourrait même rendre votre application React plus performante en évitant les re-renders inutiles. Commentaires L'article useSyncExternalStore - L'API React sous-estimée a été posté dans la catégorie Dev. Front de Human Coders News

47: Les avantages et les inconvénients à travailler pour une entreprise libérée

Humancoders ()

Aujourd'hui, de plus en plus d'entreprises se libèrent. L'essor de la société de la connaissance et des nouvelles technologies a entraîné des changements dans le mode de fonctionnement des entreprises. En conséquence, les employés ont commencé à réclamer un nouveau type de relations de travail, axées sur la performance et Commentaires L'article Les avantages et les inconvénients à tr [...]

48: 10 étapes pour organiser un projet data ' 2

Humancoders ()

Analyse descriptive, choix du modèle, relecture de code' si tu veux connaître les 10 étapes indispensables pour organiser un projet data, c'est par ici ! ' Commentaires L'article 10 étapes pour organiser un projet data ' #2 a été posté dans la catégorie Bonnes pratiques de Human Coders News

49: Les meilleurs commentaires ne s'écrivent pas

Humancoders ()

J'ai lu plusieurs articles sur les « bons commentaires », j'en ai écrit, je lis des livres techniques qui traitent des « bons commentaires » et je travaille sur un projet JavaScript où tout doit être commenté (jsdoc). J'ai revu mon point de vue sur le sujet. Commentaires L'article Les meilleurs commentaires ne s'écrivent pas a été posté dans la catégorie Bonnes pratiques de Human Cod [...]

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50: Object Oriented Programming in JavaScript

Hashnode - javascript (Javascript)

There are certain features or mechanisms which make a Language Object-Oriented in JavaScript like: Object Classes Encapsulation Inheritance Let's dive into the details. JavaScript first appeared in 1996 in the Netscape browser. Faced with its success...

51: [Podcast] C'est quoi la production, l'exploitation et les astreintes en informatique '

Humancoders ()

Aujourd'hui on va démystifier la prod et l'exploitation, mais on va aussi parler d'astreintes. Commentaires L'article [Podcast] C'est quoi la production, l'exploitation et les astreintes en informatique ' a été posté dans la catégorie DevOps de Human Coders News

52: JavaScript Interview Cheatsheet

Hashnode - javascript (Javascript)

This article will briefly explain Execution context scope, hoisting, call stack and thread in JavaScript. Execution context scope Execution context or EC is an environment in which JavaScipt code is executed. Here, the value of this, variable and fu...

53: Handling Cors Error with API resolver In NextJs

Hashnode - javascript (Javascript)

Introduction What is the CORS error A simple explanation of what causes CORS in the browser is when you are fetching resources from an external URL. More Detailed Explanation Here. CORS in NextJs Having cors error in the front-end(client) is caused b...

54: Execution Contex

Hashnode - javascript (Javascript)

Definition of an Execution Context When you run a Java Script program, it creates an execution context. Memory creation and code execution take place within the Execution Context. Execution context is like a container with two compartments. Memory c...

55: Best programming language to learn today

Hashnode - python (python)

Whether you're a programmer looking for your next adventure or a beginner looking for the right place to start learning to code, this article is for you. Although if you're a confused beginner and don't know where to start I highly recommend choosing...

56: Declarative Vs Imperative Programming - My Understanding

Hashnode - javascript (Javascript)

The other day I built my first React app. It was a thrilling experience as it had been something that I'd been keeping for later assuming it was way too complicated, but the instructor did a stellar job of keeping things simple and fun. Before we sta...

57: javaScript Interview cheatSheet

Hashnode - javascript (Javascript)

If interviewer asked about scope we can give below answer straight forward Scope in JavaScript defines accessibility of variables, objects and functions. Lets understand it on more depth There are 2 types of Scope in JavaScript- 1-Local Scope ...

58: Making REST API Using Nodejs with MongoDB

Hashnode - javascript (Javascript)

In this tutorial, I'll show you how to interact with a MongoDB database from Node.js. Using MongoDB and Node.js MongoDB is one of the most popular databases used along with Node.js. We'll be using the official MongoDB npm package. If you already have...

59: Variables in JavaScript

Hashnode - javascript (Javascript)

what is variable' The word variable means that can vary. variable is a container for storing data Javascript variable can store any data values (e.g., a number, a string,a boolean,etc) How variable is created' variable is created using var, let, co...

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60: My Data Science Journey

Hashnode - python (python)

My name is Vuyisile Thabethe from South Africa. I am an ecologist who is transitioning to data science. I have always been interested in data science so when I came across the opportunity to join the #RollademyMentorship program I jumped right to it....

61: Join my discord server

Hashnode - javascript (Javascript) it's a free open community for devs

62: Get an in-depth view of Scopes in JavaScript

Hashnode - javascript (Javascript)

Topics covered are: ' Scope (along with its types) Lexical scope ' Scope chaining Lexical environment Difference between lexical scope and the lexical environment Scope The scope of something **is where can I access that something. It reduces the...

63: Learn Python 8 - Let's do Tuple...'

Hashnode - python (python)

Tuples ' Tuple in Python is a collection that is ordered, and unchangeable. Find the index of the element ' You can find an element in the tuple by index new_tuple=(1,"b",False) print(new_tuple[0]) //1 print(new_tuple[1]) //"b" Ordered ' The tuple...

64: How to Create a Form using Django Forms API '

Hashnode - python (python)

Hi Dev, This tutorial shows you how to create a form using python django forms api. you can understand a concept of how to create a form using django forms api example. if you have question about how to create a form using python django forms api int...

65: La timeline du métavers depuis Meta

Meta Media (Internet)

Depuis notre Cahier de Tendances sur le métavers d'automne dernier, il ne s'est pas passé un jour sans une annonce autour des environnements immersifs et ses outils, basés sur une philosophie centralisée dans la version du Zuckerverse, ou décentralisée avec l'idée d'un métavers souverain français ou européen. Tout un écosystème...

66: Liens vagabonds : la blockchain Ethereum se met au vert

Meta Media (Internet)

A RETENIR CETTE SEMAINE : Il est l'heure de 'The Merge' pour Ethereum - La blockchain Ethereum va subir une importante mise à jour qui promet de réduire de 99,9% sa production énergétique, le tout en fusionnant avec une autre blockchain afin de modifier la manière dont les transactions et...

67: Best Practices for TypeScript Monorepo

Hashnode - javascript (Javascript)

Managing dependencies of multiple projects across multiple repositories can be time-consuming and error-prone. A monorepo, on the other hand, is a code management or architectural concept that consolidates all the isolated codebases of multiple proje...

68: "BullsAndCows" game with GUI in Python: Stage 2

Hashnode - python (python)

After having implemeted the feedback logic in part 1 of the series, we are now going to finish the class BullsAndCowsGame which is the main class providing the game logic. Again, a short video explaining the game rules and some implementation detail...

69: Me & Javascript: 4 years in 4 minutes

Hashnode - javascript (Javascript)

At this date, I can call myself a full-stack javascript developer. Let me walk you through my learning journey of javascript. How it all started It all started back in 2019 when I was in 9th grade. I was somewhat familiar with HTML and CSS but I saw...

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70: Server Sent Events

Hashnode - javascript (Javascript)

Introduction While you are developing real-time projects, there is always a one-question mark on 'how to send messages/updates from server to client'. We can talk about three different ways to perform server-to-client updates: Client polling, Web Soc...

71: Redeclaring variables in JavaScript

Hashnode - javascript (Javascript)

We all at some point in time got confused about using the appropriate keywords in redeclaring a variable. If you are or have been in this situation, congratulations!! because you are following in the same footsteps even the best JavaScript programmer...

72: Prefer Function Reference over Lambda in Kotlin' Wrong!

Hashnode - Kotlin (Mobiles)

Using lambda as callback is very common in Jetpack compose, but do you know you can also use function reference to replace the lambda' When I first heard about this function reference, I thought the function reference must be better. Unlike anonymous...

73: Animation: The Most Popular Websites by Web Traffic (1993-2022)

Visual Capitalist (dataviz)

This video shows the evolution of the internet, highlighting the most popular websites from 1993 until 2022. The post Animation: The Most Popular Websites by Web Traffic (1993-2022) appeared first on Visual Capitalist.

74: Test-Driven Development (TDD) with Django REST Framework

Hashnode - python (python)

Introduction Hello all ' ' ! Test-driven development (TDD) is a software development practice in which unit test cases are incrementally written prior to code implementation (B George, L Williams, 2014). In this method of development, the developer...

75: Como organizo meus projetos frontend

Hashnode - Flutter (Flutter)

Essa é uma dúvida que sempre surge: como organizo meu projeto frontend' Hoje vou compartilhar como eu faço essa organização, e como pode te ajudar. Costumo utilizar essa mesma estrutura para todo projeto frontend que eu desenvolvo, independente do fr...

76: Wanna fulfill it' Walk and share the dream. 4Articles4Weeks Week 1

Hashnode - Kotlin (Mobiles)

Introduction. It is true to say that behind every software developer's career, there is an incredible truth as to why they developed a passion for the field. Consequently, in this article, I purpose to share mine with you. Passion to create amazing...

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Pour toutes questions, merci de contacter Richard Carlier.


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.

Richard Carlier

Des mots,
toujours des mots...

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