What is Functional Programming?
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Most of what I will discuss in this article is knowledge accumulated from reading, “Functional Programming in JavaScript”, by Luis Atencio. Let’s dig right in…Read the full...
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Javascript: From Objects to Factory Functions And Modules
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ObjectsRead the full...
The 2020 #Noonies are here! And they are both much greener and much bigger than last year. Among the 2,000+ deserving humans nominated across 5 categories for over 200 award titles, we discovered Aswin Ganesh from India, who’s has been nominated for Hacker Noon's Contributor of the Year in our...
9 Functional Programming Concepts Everyone Should Know
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This article will introduce functional programming concepts that every programmer should know. Let's begin by defining what functional programming is (FP from now on). FP is a programming paradigm where software is written by applying and composing functions. A paradigm is a "Philosophical or...
Higher-Order Functions Explained
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Whether you are a beginner or a 10x developer, chances are that you have used the methods of the Array Object. The methods in the Array Object are classified into two different categories. One category takes a value as arguments( string, integer, array, object) and another category takes a function...
How to use componentWillMount with Functional Components in React
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Functional components are far more efficient than class based components. Less code is needed to be written to achieve the same goal.Read the full...
Functional Programming Paradigm in JavaScript
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There’s nothing new about Functional Programming. Functional Programming has been around for much longer than OOP as it dates back to the 60s.Read the full...
Functional Programming In Ruby: How To Create Pure Functions
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In functional programming, pure functions are at the core of this paradigm. When we speak of pure functions we mean that these functions satisfy two main conditions; the first is that they will not cause any side effects and the second is that depending on their arguments they will return the same...
ClojureScript Macros: A (Not So) Long Journey [Part II]
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The writing of Clojure/Script macro may seem as a wizard senior programming craft, but this article will show you that it's not the case. This is the second part of my journey to learn Clojure/Script macro and this article will deal with Clojure macro.Read the full...
How To Create Simple API Client with ZIO and Http4s
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Discussing with a brazilian friend about the situation in our country, we realised how difficult it is to find information about public spending, and when available, how difficult it can be to reason about it. Joining our forces, we decided to explore some data exposed by the Brazilian government,...
Senior Engineer`s Opinion: Why Does Scala Win Against Kotlin?
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This article is based on a story of one of our developers, ex Java now Scala developer, who decided to follow the Scala path because he found writing in Scala extremely developing and interesting.Read the full...
Writing Fluent Functional Code
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Fluent code should make you feel happy, like this image does.Read the full...
Composable Resource Management in Scala
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We’re all using resources on a daily basis. You turn on the water tap, wash your hands for at least 20–30 seconds, and turn it off. You switch the light on if it’s dark, and off when you no longer need it.Read the full...
What Is Haskell, Who Uses It, And Where Can You Learn To Code It
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Haskell language (and functional programming approach) has become more and more popular in the industry – businesses need robust and safe software solutions, and some of the problems can’t be solved without an advanced technological stack. Read the full...
Understanding Currying, Closures, and Coupling in JavaScript
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Here's a problem. You have an object in your code exposed via an export. You also have a function in the same file (also exported) consuming that object directly.Read the full...
Creating a Middleware in Golang for JWT based Authentication
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Golang has been a popular language over the past few years known for it's simplicity and great out-of-the-box support for building web applications and for concurrency heavy processing. Similarly, JWT (JSON Web Tokens) are turning into an increasingly popular way of authenticating users. In this...
Folding in C++ using Variadic Function Template
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Template parameter pack was introduced in C++11. Today we will utilise it to write our fold function. To the ones who don't know what a fold function the expression fold(add, 1, 2, 3, 4, 5) , we will output (1 +(2 + (3 + (4 + 5)))) = 15 (which is left fold). Similarly for fold(mul, 1, 2, 3, 4, 5) ,...
Including Files and Deeply Directories in Rust
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One of the things that's been criticized by newbies in Rust is the file include mechanism. About 2 days ago, I spent around 5 hours on how I was supposed to include a file that was referenced deep down in a directory tree. The docs didn't help, as they were simple structures. Here I'll show you how...