Osvaldo

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The 24 Rules for Success Left Behind by a Legendary Wall Street Banker

14. "Have some fun—but not all the time!"<p>Richard Jenrette, who co-founded the investment bank Donaldson, Lufkin & Jenrette in 1959, spent four …

Wall Street

The inconvenient truth about cancer and mobile phones

Neutralising the safety issue has opened the door to the biggest prize of all: the Internet of Things<p>On 28 March this year, the scientific peer review of a landmark United States government study concluded that there is “clear evidence” that radiation from mobile phones causes cancer, specifically, …

Public Health

How to create a custom Ubuntu ISO with Cubic

If you're looking to build a custom Linux disk image that's based on Ubuntu, Cubic makes it easy. Here's what you need to know.<p>If you are planning to …

Linux

You can now automatically hide those dodgy WhatsApp photos from your gallery

• WhatsApp now lets you hide newly downloaded media files from your phone gallery.<br>• The feature first appeared in version 2.18.194, but we can confirm that the latest beta version has the function too.<br>• The messaging platform lets you tweak this setting on an individual/group basis.<p>WhatsApp has a pretty …

Apps

It turns out Albert Einstein was pretty smart after all

<b>(CNN) —</b> Albert Einstein is universally regarded to be a pretty smart guy. His theory of special relativity taught us about counterintuitive truths of nature, such as how stationary and moving clocks tick at different speeds and the inability to travel faster than light. And his theory of general …

Physics

How to implement a centralized token based authentication for multiple applications

I have recently managed to create a user management application that utilized a token based authentication via web api. This is where I found it from …

Software Engineering

Author who studies millionaires: 240 minutes a day separates the rich from everyone else

There are 1,440 minutes in each day. That is the one common denominator we all share. With respect to time, we are all on equal footing. And most …

Self-improvement

The Universe Is Not a Simulation, but We Can Now Simulate It

Computer simulations have become so accurate that cosmologists can now use them to study dark matter, supermassive black holes and other mysteries of …

Universe

Angular - Lazy load modules with cli

Sharing is caring!<p>In my previous company we created a project that was built with widgets.<br>A page was just a container with placeholder and in each …

Ask Ethan: If Mass Curves Spacetime, How Does It Un-Curve Again?

Matter tells space how to curve, and curved space tells matter how to move. That’s the basic principle behind Einstein’s General Relativity, which linked, for the first time, the phenomenon of gravity with that of spacetime and relativity. Place a mass down anywhere in the Universe, and the space …

Physics

Physics Wiz and MIT Grad Sabrina Gonzalez Pasterski Is So Talented, Stephen Hawking Cited Her

<i>Badass Women spotlights women who not only have a voice but defy the irrelevant preconceptions of gender.</i><p>By the time Sabrina Gonzalez Pasterski was …

Angular Master detail table

Sharing is caring!<p>In the previous post we built a material data table, we have packaged as a library and we have learnt how to publish on npm.<p>Today …

How to install and use the Titan text-based password manager on Linux

If you're looking for a text-based password manager, Jack Wallen believes Titan is the way to go. Here's how to install and use this handy tool on …

Machine Learning Crash Course From Google

We’ve been talking a lot about machine learning lately. People are using it for speech generation and recognition, computer vision, and even …

How to set-up a powerful API with Nodejs, GraphQL, MongoDB, Hapi, and Swagger

Separating your frontend and backend has many advantages:<p>The biggest reason why reusable APIs are popular — <b>APIs allow you to consume data from a web</b> …

4 Cornerstone Skills Engineers Need for the Future of Work

The job market has changed a lot in the past decade, and today it’s changing faster than ever. With the growing influence of the impending fourth …

Linux

I wanted to see if I could get ASP.NET Core running on it anyway. Maybe if I do, they (and other inexpensive hosts) will talk to the .NET team, learn …

Why Is M-Theory the Leading Candidate for Theory of Everything?

The mother of all string theories passes a litmus test that, so far, no other candidate theory of quantum gravity has been able to match. M-theory …

Quantum Mechanics

Why Do Leaders Treat Programmers Like Children?

Does it sometimes feel like the decisions made by leaders are almost <i>trying</i> to get programmers to hate their software development projects?<p>I used to …

Professor Stephen Hawking's final theory: The universe is a hologram

Stephen Hawking has revealed from beyond the grave his final scientific theory - that the universe is a hologram.<p>The cosmologist, who died on March 14, has challenged previous theories of cosmic "inflation" and the "multiverse" in a new paper published in the Journal Of High Energy …

Wrapping an RxJS observable stream into an Angular service

Angular’s dependency injection mechanism allows us to cleanly separate business logic (services) from UI (components). What if our app generates a …

Maximum JavaScript Performance

<i>Cover image by Fachstelle für Öffentliche Bibliotheken NRW on Flickr.</i><p>If you're a bit like me you probably think a lot about how to make your software …

JavaScript

The Rise of Python: The Must Learn Programming language

Python is one the most popular coding languages today. Python is used to build desktop apps and web apps alike, and it has great tools for data …

Python Programming

Want to Get Smarter? Read Something on This List

There’s a lot of hope today that playing mindless brain training games will make you smarter. But instead of trying a quick fix, why not read …

My Linux Development Environment of 2018 - DEV Community 👩‍💻👨‍💻

In this blog post I will talk a bit about the setup and software of my personal laptop, powered by Linux. This is somewhat inspired by this post, but …

Command-line

Computer Science: Introduction to Programming Techniques

The aim of this resource is to introduce students to the basic concepts of programming techniques and algorithm design.<br>This resource is aimed at …

Computer Science

Understanding quantum computers: The basics

Theoretical physics isn’t the easiest field in science to translate into laymen’s terms. Until recently it’s solely been the domain of geniuses like the late Stephen Hawking and fictional characters such as <i>The Big Bang Theory’s</i> Sheldon Cooper. As companies like Google, IBM, and Intel work to build …

Stephen Hawking’s final message to the world

The theoretical physicist was known for bringing clarity to some of the most mind-bending ideas in science and his final days were no exception.<p>In …

Data science with Python: Turn your conditional loops to Numpy vectors

Vectorization trick is fairly well-known to data scientists and is used routinely in coding, to speed up the overall data transformation, where …

JavaScript Map() Method Explained by Going On a Hike

*If you have ever climbed a mountain, then you can understand JavaScript’s map method, which is one of JavaScript’s higher-order functions.<p>I will …