Diego Francisco Castillo Velasquez

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8 Easy Ways To Earn Passive Income, According To Money Experts

Wouldn't it be nice to earn income without worrying about it? I'm not talking about doing your regular 9-to-5 job, but through passive income. …

What's The Best Workout To Help You Wake Up In The Morning? The Scientific 7-Minute Workout Can Give You A Surprising Boost

If mornings aren't your jam, and you hit snooze eleventy-million times before diving head first into a pot of dark roast, you probably don't have a …

How much code coverage is enough?

I have always thought that code coverage can be looked at in a similar way as availability According to the SRE handbook, a system should be as …

Code Coverage

How a Pioneer of Machine Learning Became One of Its Sharpest Critics

Judea Pearl helped artificial intelligence gain a strong grasp on probability, but laments that it still can't compute cause and effect.<p>Artificial intelligence owes a lot of its smarts to Judea Pearl. In the 1980s he led efforts that allowed machines to reason probabilistically. Now he’s one of the …

The 7 Most Popular DEV Posts from the Past Week

An #explainlikeimfive about the meltdown security vulnerability...and a great metaphor for the CPU 🍔<p>Vicky walks us through how she created …

A Tinder Progressive Web App Performance Case Study

Tinder recently swiped right on the web. Their new responsive Progressive Web App — Tinder Online — is available to 100% of users on desktop and …

10 Free CSS Tooltip Snippets To Save Time On Your Web Projects

Adding a simple tooltip into your page isn’t hard. You can find a bunch of free tooltip plugins and JS scripts that can help with this.But pure CSS …

The Front-End Test Pyramid: How to Rethink Your Testing

If you’re testing front end apps, you should know about <b>the front-end test pyramid</b>.<p>In this article we’ll look at what the front-end test pyramid is, …

20 Unforgettable Things to Do in Mexico That You Should Add to Your Bucket List Immediately

Sure, you’ve been to Mexico. You’ve breezed through Cozumel on your cruise du jour. You’ve downward-facing dogged in Tulum. You’ve sipped a sugary …

26 Easy Rituals These High Achievers Say Fuel Their Success

The most successful people don't get to the top conducting themselves like everyone else.<p>The most successful people don't get to the top conducting themselves like everyone else. One thing they typically have in common: Practicing the right habits, every single day. Here are the simple daily …

The 14 JavaScript debugging tips you probably didn't know

Knowing your tools can make a significant difference when it comes to getting things done. Despite JavaScript's reputation as being difficult to …

The Reader Monad for Dependency Injection

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Functional Programming

How to Become the Best in the World at What You Do

It can feel impossible to move toward your dreams. You know exactly what you want to do, but there are endless obstacles in your way.<p>There is so much competition — thousands or millions of people competing to do exactly what you want to do.<p>How do you get out of the rat race?<p>How do you advance quick …

Collecting Data Science Cheat Sheets

As you might already know, I’ve been making Python and R cheat sheets specifically for those who are just starting out with data science or for those …

15 Netflix hidden-gem horror movies for all you fear addicts out there (2017 edition)

Smell that air? Feel that brisk breeze? Wearing a jacket? That's right, dummy. It's October.<p>And <i>since</i> it's October, you want to watch horror movies, …

What a modern development organization looks like

I work for a San Francisco startup. What we use in Silicon Valley isn’t necessarily indicative of the industry as a whole. So I informally asked a …

Colombian chefs’ guide to what to eat and drink in Bogotá

08/09/2017<p>There are just over six weeks to go until Latin America’s 50 Best Restaurants 2017, which is being held this year for the first time in …

South America

Read Functional Programming for Mortals

“Love is wise; hatred is foolish. In this world, which is getting more and more closely interconnected, we have to learn to tolerate each other, we …

33 Fundamentals Every JavaScript Developer Should Know

You’ve learned <b>React</b>, mastered <b>npm install</b>, and can find your way around <b>webpack.config.js.</b> You can do just about anything as long as there’s a module …

How AI Will Change HR in Onboarding and Managing Talent

AI, including chat bots and predictive analytics, is slowly finding its way into the world of HR software. When fully utilized, this will make significant changes to how we recruit, onboard and manage our teams.<p>I have an insatiable interest in artificial intelligence's (AI's) impact on MarTech. …

All the fundamental React.js concepts, jammed into this single Medium article

Last year I wrote a short book on learning React.js which turned out to be about 100 pages. This year, I am going to challenge myself to summarize it …

The Best Way To Mastering A New Programming Language » Avtar Time - Every Thing Merge Here

Programming means creating a new logic for a specific task. As we know that programming field is endless and to get success in IT field we should …

7 React libraries you should know

Much of everything front-end is being built with React. It seems that React isn’t going anywhere anytime soon. One of the most important and promising aspects of React is working with code components. From buttons to scrollers and toolbars, these components are the building blocks of our UI …

14 CEOs on the Most Valuable Job Skill Right Now

Advice for standing out at your current gig or getting a new one<p>There’s no shortage of career advice out there and everyone from your favorite self …

9 Things All Great Cooks Do in the Kitchen

Becoming a professional chef takes years of learning and refining techniques, and for those who love to cook as a hobby, your skills improve with …

This Is the Golden Ratio of Coffee Grounds to Water

Most coffee lovers have their own tried-and-true preparation methods developed through a process of trial and error over the years. But for those …

The Function and the Object Should Be Friends

When I hear people debate object-oriented vs. functional programming, I get a tune stuck in my head.<p><i>The Function and the Object</i><br>to the tune of <i>The</i> …

How to Build an In-House Data Science Team From Scratch

Technology tends to favor teams that have a firm grasp on data and analytics, and you can create one from scratch.<p>At a recent tech conference I …