DEV Community: JavaScript Developer

The Complete NumPy course For Data Science : Hands-on NumPy

JavaScript Developer — Mon, 03 Feb 2020 07:46:21 +0000

Learn first step towards Data Science with all important concept of Numerical Python NumPy in Python For Data Science

It's difficult to describe everything around us with just one number. The world is multidimensional. The data we are consuming, product we use on daily basis, from non living organism to living organism require many feature to fully characterise and quantify it.

So if you want to learn about fastest python based numerical multi dimensional data processing framework, which is the foundation for many data science package like pandas for data analysis, sklearn scikit-learn for machine learning algorithm, you are at right place.

This course introduce with all majority of concept of NumPy - numerical python library.

I will teach from what and why of NumPy to all important concept of N dimension data processing.

This course covers following topics.

Why and What NumPy is
NumPy installation
Creating NumPy array
Array indexing and slicing
Array manipulation
Mathematical & statistical function
Linear algebra function
How to persist NumPy array

Who this course is for:

Any Python Developer who is curious about Data Science

What you'll learn

You will learn Numpy - Numerical Python Library

Sending Emails in PHP with PHPMailer

JavaScript Developer — Mon, 30 Dec 2019 07:06:16 +0000

Sending Emails in PHP with PHPMailer

Learn how to develop a system from scratch that sends emails to users the right way. PHPMailer is one of the most popular open source PHP libraries to send emails with.

Do you already know PHP and you're developing a website that needs email sending? By taking this course you'll learn how to develop a system from scratch that sends emails to users the right way.

This course will teach you how to add the following features to your PHP website or web application:

Custom Ajax Function Plugin
Addition Features for element scroll
Sending mails using PHP Mailer
Clean email structure to avoid the Spam folder by 99% chances

Taught by senior web application developer and online instructor Peter Fredrick, this course takes you in easy steps through the entire process.

What you'll learn

PHP
PHP Mailer
Ajax & Json
Javascript

An Introduction to Oracle SQL

JavaScript Developer — Wed, 16 Oct 2019 09:30:36 +0000

A quick tour of the six principal clauses of the SELECT statement.

This course is a brief presentation of Oracle SQL. We will install a version of Oracle Express Edition and Oracle SQL Developer for free. We’ll then look at the SELECT statement with its 6 main clauses (SELECT, FROM, WHERE, GROUP BY, HAVING and ORDER BY). Following this, we’ll look at what else you need to know, and resources (which range from FREE to very expensive) which will help you to learn it…

What you’ll learn

Either Download and Install Oracle Express Edition and Oracle SQL Developer on your computer - for free
Write your own SELECT statements.
Learn the SELECT, FROM, WHERE, GROUP BY, HAVING and ORDER BY clauses.
Get an easy way to remember the order of these clauses.
Find out what more you need to know, and resources in how to learn it.

The Complete Guide to Machine Learning with ML.NET

JavaScript Developer — Fri, 11 Oct 2019 08:44:13 +0000

The Complete Guide to Machine Learning with ML.NET

ML.NET - Machine Learning Introduction Welcome to Machine Learning with ML.NET! In this introductory video series we will introduce the concept of Machine Learning, what you can do with various tooling, and how to get started with ML.NET!
ML.NET Introduction Learn all about what ML.NET is and what you can do with the Framework. You will also see how customers using it, the open source momentum, and a short demo of the experience.

3.Getting started with ML.NET Learn how you can get started with ML.NET on Windows, Mac, and Linux using tools (ML.NET Model Builder, ML.NET CLI) or code-first using ML.NET API.

Build a ML model for Sentiment Analysis In this video, we will cover how to build a ML model for sentiment analysis of customer reviews using a binary classification algorithm.
Build a ML model for GitHub Issue classification In the world of ML.NET there is a high-volume of interaction with GitHub. This video will teach you how to classify incoming GitHub issues into one of the many tags (labels) using a multi-class classification algorithm.
Build a ML model for predicting taxi fares There are tons of different ways to use the model builder with ML.NET. In this video, we learn how to predict taxi fares based on distance traveled, trip time etc. using a regression algorithm.
Build a ML model for Movie Recommendation Here are even more ways to use the model builder with ML.NET. In this video, we learn how to recommend movies for users using colloborative filtering based recommendation approach.
Deep learning with ML.NET: Image Classification Deep learning enables many more scenarios using sound, images, text and other data types. Learn how to build an Image Classification model to classify flowers (daisies, roses etc.).

Learn the complete React-Redux front-end system

JavaScript Developer — Wed, 25 Sep 2019 03:00:07 +0000

Learn the complete React Developer course with Redux, React-Router, Hooks, Auth0, and more!

What you’ll learn

The Most Modern Version of React and Redux
Modern Authentication and Routing Patterns
The Knowledge and Skills to Apply to Front End Jobs
How React Works Under the Hood
The Knowledge to know how different Front End Technologies work together (enough knowledge to impress other engineers)
Modern ES5, ES6, ES7 Javascript Syntax.

Learn SQL from Scratch - PostgreSQL Tutorial for Beginners

JavaScript Developer — Mon, 12 Aug 2019 09:24:30 +0000

SQL course covering important topics of Business Intelligence for SQL Database ( PostgreSQL ) for Beginners

Why learn SQL?

SQL is the most universal and common used database language.It powers the most commonly used database engines like PostgreSQL, SQL Server, SQLite, and MySQL. Simply put,If you want to access databases then yes, you need to know SQL.
It is not really difficult to learn SQL. SQL is not a programming language, it’s a query language. The primary objective where SQL was created was to give the possibility to common people get interested data from database. It is also an English like language so anyone who can use English at a basic level can write SQL query easily.
SQL is one of the most sought-after skills by hiring employers.
How much time does it take to learn SQL?

SQL is easy but no one can determine the learning time it takes. It totally depends on you. The method we adopted to help you learn SQL quickly starts from the basics and takes you to advanced level within hours. You can follow the same, but remember you can learn nothing without practicing it. Practice is the only way to learn SQL quickly.
What's the difference between SQL and PostgreSQL?

SQL is a language. Specifically, the "Structured Query Language"
PostgreSQL is one of several database systems, or RDMS (Relational Database Management System). PostgresSQL is one of several RDMS's, others of which are Oracle, Informix, MySQL, and MSQL.
All of these RDMSs use SQL as their language. Each of them have minor variations in the "dialect" of SQL that they use, but it's all still SQL.
Which is better, PostgreSQL or MySQL?

Both are excellent products with unique strengths, and the choice is often a matter of personal preference.
PostgreSQL offers overall features for traditional database applications, while MySQL focuses on faster performance for Web-based applications.
Open source development will bring more features to subsequent releases of both databases.

Who uses these databases?

Here are a few examples of companies that use PostgreSQL: Apple, BioPharm, Etsy, IMDB, Macworld, Debian, Fujitsu, Red Hat, Sun Microsystem, Cisco, Skype.
What's special about this course?

The course is created on the basis of three pillars of learning:

Know (Study): We have created a set of concise and comprehensive videos to teach you all the SQL related skills you will need in your professional career.
Do (Practice): We also provide Exercises to complement the learning from the lecture video. These exercises are carefully designed to further clarify the concepts and help you with implementing the concepts on practical problems faced on-the-job.
Review (Self feedback): Check if you have learnt the concepts by executing your code and analyzing the result set. Ask questions in the discussion board if you face any difficulty.

What you'll learn

Knowledge of all the basic SQL commands
Become proficient in SQL queries like SELECT, CREATE and ALTER
Solid understanding of SQL

Angular Tutorial - Learn Angular from Scratch

JavaScript Developer — Tue, 23 Jul 2019 04:33:44 +0000

This course is for beginners who are curious on how to get started with Angular. In this course you will learn how to download, install and play around with Angular. We teach you the main components of Angular, so that you can get up and running with it asap. You will learn now to start building applications with Angular.

Learning Angular can be a daunting experience that's why this course was created; to give you an easier learning experience with it.

What am I going to get from this course?

You will learn the mayor fundamentals of Angular
You will learn how to get up and running with Angular
You will learn to create Applications using Angular 5 and beyond

What you'll learn

You will learn the mayor fundamentals of Angular
You will learn how to get up and running with Angular
You will learn to create Applications using Angular 5 and beyond

Getting Started with Node.js

JavaScript Developer — Sat, 13 Jul 2019 02:22:59 +0000

Learn to leverage the power of server-side Javascript with this Node.js introductory tutorial. We’ll dive into Node’s architecture and understand the build and dependency management systems involved. Several modules for Node will be demoed, and we’ll learn how to debug Node applications within an IDE. You’ll come away with an understanding of what sets Node apart from traditional Javascript, it’s inherently asynchronous and event-driven architecture, and take a look at some real world applications built on Node.