Discover and read the best of Twitter Threads about #100DaysOfCode

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SQL INTERVIEW QUESTION CHEATSHEET.

SQL is the most popular database Query Language and many popular websites use it. So, here's a collection of the most asked SQL interview questions.

Please RT for reach and bookmark for easy recall.

🧵A Thread 🧵

#100DaysOfCode
1. What is Database?

A database is an organized collection of data, stored and retrieved digitally from a remote or local computer system. Databases can be vast and complex, and such databases are developed using fixed design and modeling approaches.

#100DaysOfCode
2. What is DBMS?

DBMS stands for Database Management System. DBMS is a system software responsible for the creation, retrieval, updating, and management of the database.

#100DaysOfCode
Read 24 tweets
BEST FREE TOOLS FOR WEB DESIGNERS AND WEB DEVELOPERS

🧵A Thread 🧵
Table of Contents -

Web Design Resources

1. Newsletter
2. Software
3. Photos
4. Icons
5. Fonts
6. Colors
7. Backgrounds + Textures
8. UI Guides

Web Development Resources

1. Domain Name Search Engines
2. Frameworks, Templates, Code Packs
3. Code Style Guides
4. Code Validation
Newsletter Lists

1. Creative Market (creativemarket.com)

Creative Market newsletter list is once a week newsletter, where you’ll get an email packed with 5 free downloads, including everything from patterns and fonts to templates and themes.

#100DaysOfCode
Read 22 tweets
Let's learn about Correlation the most important statistical measure that is also a key tool in machine learning.

#MachineLearning #100DaysOfCode #Python

👇🧵
Correlation, as the name suggests, gives the measure of the relationship between two variables.

In statistical terms, it is the measure using which statisticians figure out how much two things are related.

Two things could be related in different extend and ways. For eg:
1) If one variable increases, the other variable might increase(+ve correlation), decreases(-ve correlation) or remain unchanged/have no defined pattern( uncorrelated ).

2) Also, this behavior could remain the same for all the values(monotonic) or can vary with the values.
Read 13 tweets
Are you a Web Developer?

Here's a thread on AWS concepts from A to Z

Thread🧵

gumroad.com/a/552604787/Ms…
1. Amazon DynamoDB

DynamoDB is a no-sql database that scales with the amount of data coming in. What makes a no-sql database different from a SQL database is that it doesn’t use SQL and doesn’t have relational features.

#100DaysOfCode
2. Bucket

An S3 bucket is where objects are stored, similar to files and folders on your local machine. Each object consists of:

Key - the name of the object
Value - the data in the file itself made of bytes
VersionID
Metadata

#100DaysOfCode
Read 18 tweets
Sometime in @angular app template try to load data which hasn’t been calculated yet and as a result view is empty because data is retrieved after the view is rendered.
🧵👇

#Angular #100DaysOfCode #CodeNewbie #WomenWhoCode #javascript #DEVCommunityIN #301DaysOfCode #coding
To solve this issue lifecycle hook like ngAfterViewInit() comes handy. You may trigger your data retriev call in this hook.
Read 3 tweets
40+ High-Quality Free Resources for Web Development

A Master Thread 👇🏽
Table of Contents:

- Illustrations
- Development
- CSS
- Tailwind
- Design
- Productivity

#100DaysOfCode
Illustrations

1. Drawkit (drawkit.io)
2. Blush (blush.design)
3. Smash illustration (usesmash.com)
4. Control (control.rocks)
5. Error 404 (error404.fun)
6. Open Doodles (opendoodles.com)

#100DaysOfCode
Read 13 tweets
What’s one piece of advice you wish you got when you started coding?

#CodeNewbie #100DaysOfCode
Get comfortable asking questions
Use Twitter. Though Twitter didn’t exist when I started 🤨
Read 3 tweets
"The most important step of all is the first step. Start Something."

And to start your journey, below are some of the best free resources for different technologies.

Bookmark this thread and retweet to help others as well.
Follow for more such content.

#100DaysOfCode

🧵 👇
For learning Python a few of my favorite websites:

By Google (only for python2 though):
developers.google.com/edu/python

Guided Course:
sololearn.com/learning/1073
(^ has many other guided courses too)

For Python and its applications:
automatetheboringstuff.com
inventwithpython.com/invent4thed/
For AI basics:

Guided Course: udacity.com/course/intro-t…

Just Videos by MIT: ocw.mit.edu/courses/electr…

Book/Reading Material:
Part I: course.elementsofai.com
Part II: buildingai.elementsofai.com
(^two of my favorites)

Checkout CSE courses on NPTEL:
nptel.ac.in/course.html

#AI
Read 8 tweets
Are you a Web Developer?

Here are 50+ resources to help you Improve your Web Performance

🧵A Thread🧵
Table Of Contents:

- HTML
- CSS
- Images
- Fonts
- JavaScript
- Server
- Testing Tools
- Frameworks

#100DaysOfCode
HTML

✨ Minify HTML
☄️ Order your styles & scripts for page speed
⚡️ Eliminate render-blocking resources
🌟 Minimize layout thrashing
🎉 Prioritize resources
✨ Preload critical assets to improve speed
💥 Establish network connections early
⚡️ Prefetch resources

#100DaysOfCode
Read 15 tweets
📘 Quick guide on how/why to use semantic HTML tags:

🧵 Thread 👇

#100DaysOfCode #CodeNewbie
Read 4 tweets
Should I use forEach() or map()?

Both iterate through arrays in Javascript, but how do they differ? Let's see:

Thread 🧵👇

#100DaysOfCode #CodeNewbie #javascript
🚨 This thread is also available in a more accessible version here:

👇

🌐 savvas.netlify.app/explained/fore…
If you're learning Javascript, sooner or later you'll come across the forEach() and map() functions. It is quite often that there is some confusion about what each one does.
Read 15 tweets
Should I use forEach() or map()?

Both iterate through arrays in Javascript, but how do they differ? Let's see:

Thread 🧵👇

#100DaysOfCode #CodeNewbie #javascript
🚨 This thread is also available in a more accessible version here:

👇

🌐 savvas.netlify.app/explained/fore…
If you're learning Javascript, sooner or later you'll come across the forEach() and map() functions. It is quite often that there is some confusion about what each one does.
Read 15 tweets
Object Methods Cheat Sheet: 📚

Check it out: 🔥

🧵See Threads 🧵

#100DaysOfCode #CodeNewbies #JS #javascript
Object Methods Cheat Sheet Part 2:
Object Methods Cheat Sheet Part 3:
Read 4 tweets
Must-read Article if you are a frontend developer.

hemant.hashnode.dev/fetch-vs-axios…
Full Stack Developer best tech stack to follow in 2021.

#100DaysOfCode
hemant.hashnode.dev/best-full-stac…
Thank You for Reading ♥️

I'm sharing more such post on Instagram too. If you're on insta, consider supporting my work there too -

instagram.com/dermayank
Read 4 tweets
Best GitHub Repos for Web Developers

A Thread 🧵
1. Node.js Best Practices

This repository is a summary and curation of the top-ranked content on Node.js best practices and also its integration with other tools like Docker, Kubernetes, etc.

#100DaysOfCode

github.com/goldbergyoni/n…
2. HTML5 Boilerplate

HTML5 Boilerplate is a professional front-end template for building fast, robust, and adaptable web apps or sites.

This project is the product of years of iterative development and community knowledge.

#100DaysOfCode

github.com/h5bp/html5-boi…
Read 11 tweets
A thread on how I managed to encrypt and store a video using #Flutter

Scroll for links, code snippets, and my general thought process...
Recording and saving videos locally isn't too difficult.

Dependencies:
- camera
- path_provider

#flutter #android #s21 #video #coding

Below is the code for getting a file reference:

Created with @carbon_app   /// One call to get a file reference, set temp = false to
Encryption on the other hand is a foreign language to me. From my research, I learned that each user needs an #AsymmetricKeyPair that can be used to #encrypt and #decrypt data.

To generate these, I used the rsa_encrypt package.

pub.dev/packages/rsa_e…
Read 19 tweets
BEST FREE TOOLS FOR WEB DESIGNERS AND WEB DEVELOPERS

🧵A Thread 🧵
Table of Contents -

Web Design Resources

1. Newsletter
2. Software
3. Photos
4. Icons
5. Fonts
6. Colors
7. Backgrounds + Textures
8. UI Guides

Web Development Resources

1. Domain Name Search Engines
2. Frameworks, Templates, Code Packs
3. Code Style Guides
4. Code Validation
Newsletter Lists

1. Creative Market (creativemarket.com)

Creative Market newsletter list is once a week newsletter, where you’ll get an email packed with 5 free downloads, including everything from patterns and fonts to templates and themes.

#100DaysOfCode
Read 20 tweets
Are you a web developer?

Here are few Productive Tools that will save you 10+ hours per week

A Thread🧵

#100DaysOfCode
1. Metatags

This tool can help you to test and view your website's preview when viewed on Google, Facebook, or Twitter.

metatags.io

#100DaysOfCode
2. ExtractCSS

This tool can help you to extract element Id, class, and inline styles from HTML documents and output them as CSS stylesheets.

extractcss.com
Read 11 tweets
5 Projects you can do to become a Frontend Master in 2021

A Thread 🧵

#100DaysOfCode
1. Build a movie search app using React (with hooks)

The first thing you could start with is building a movie search app using React.

Tech Stack -
a. React with Hooks
b. create-react-app
c. JSX
d. CSS

#100DaysOfCode
2. Build a chat app with Vue

Another great project for you is to build a chat app using my favorite JavaScript library VueJS.

Tech Stack
a. Vue
b. Vuex
c. Vue Router
d. Vue CLI
e. Pusher
f. CSS

#100DaysOfCode
Read 7 tweets
MySql INTERVIEW QUESTION CHEATSHEET.

MySql is the most popular database and many popular websites use SQL. So, here is a collection of the most asked #MySQL interview questions to help you prepare.

🧵Thread🧵

#100DaysOfCode
1. What is SQL Server?

SQL Server is one of the database management systems (DBMS) and is designed by Microsoft. DBMS are computer software applications with the capability of interacting with users, various other applications, and databases.
2. How and why use SQL Server?

SQL Server is free and anyone can download and use it. The application uses SQL (Structured Query Language), and it is easy to use.
Read 15 tweets
Are you a Developer and looking for jobs or freelancing?

Below are 25 places where you can look for job, freelancing, and internship opportunities.

🧵Thread🧵

#100DaysOfCode
1. Authentic Jobs

Authentic Jobs is a site for those who want to work on the web. Their interface makes it simple to search for full-time, part-time, remote jobs, internships. They even have listings in fields outside of web development.

authenticjobs.com
2. GitHub

GitHub, the most popular Git repository hosting service with 9 million users, has its own job board. Here you can search openings by keyword (like “Ruby on Rails” or “front end” or, better yet, “entry-level”) and location

github.com
Read 26 tweets
Roadmap for becoming Back-End Developer in 2021

🧵A Thread 🧵
Learn the basics of Internet

1. How does the internet work?
2. What is HTTP & HTTPS?
3. What is Domain Name?
4. What is IP Address?
5. DNS and how it works?
6. What is hosting?
7. What is SMTP?
Basics of front-end languages

1. HTML
2. CSS
3. JavaScript
Read 16 tweets
Brand New to Programming and aim to become a web developer?

Start here 🧵👇

#100DaysOfCode
Step 1: Choose the best Operating System.

You can choose Either Linux or Mac which are really awesome for developers.

Or can still go with Windows 10, what you will need to do is enable wsl and that is really helpful, but windows is also highly recommended.
Step 2: Get Yourself the Best Text Editor.

You will find people using Vs code in most of their courses, so I would recommend getting started with Vs code which is obviously free and have the best features and a large community.

code.visualstudio.com
Read 26 tweets

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