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Reflecting on My Failure to Build a Billion-Dollar Company
Sahil Lavingia Feb 7, 2019 · 14 min read Credit: Zdenek Sasek/iStock/Getty Images Plus In 2011, I left my job as the second employee at Pinterest — before I…
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yesterday
Building Autocomplete With DynamoDB and Lambda
We recently released a new search key autocomplete feature here at Honeybadger. It was such a fun project that I just had to write it up for you all. Not only…
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2 days ago
Converting call center recordings into useful data for analytics | Amazon Web Services
Many businesses operate call centers that record conversations with customers for training or regulatory purposes. These vast collections of audio offer unique…
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4 days ago
Bringing realtime to serverless web applications
James Beswick Mar 16, 2019 · 7 min read There are many ways to get results back to the front-end, but the real-time option is easiest with AWS IoT. In web…
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7 days ago
Behavior Driven Development (BDD) and Functional Testing
Unit testing is a methodology where units of code are tested in isolation from the rest of the application. A unit test might test a particular function,…
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8 days ago
Here’s When Bill Gates Predicts We Can Reopen the Economy | The Motley Fool
The COVID-19 news coming from the U.S. and Europe is no doubt distressing, but it's important to keep a level head. Cases have risen sharply across the country,…
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9 days ago
Remote, but not alone
You already know what this post is and what prompted me to write it. But if youknow me , you also know I wouldn’t be sharing this unless I felt there werethings…
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14 days ago
How I Built a Machine Learning Pipeline on AWS for Under $7 a Day
Andreessen Horowitz recently published a blog about the Heavy Cloud Costs and Scaling Challenges of The New Business of AI , in which they describe how AI…
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14 days ago
Here’s how the iPad’s new trackpad actually works
Apple made it official: trackpad and mouse support is coming to the iPad. You can get it on an iPad Pro by spending $299 or $349 on Apple’s new Magic Keyboard ,…
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15 days ago
Efficient React Components: A Guide to Optimizing React Performance
Since its introduction, React has changed the way front-end developers think of building web apps. With virtual DOM, React makes UI updates as efficient as they…
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15 days ago
AWS AppSync without Authentication - DEV Community 👩‍💻👨‍💻
There are several ways to authorize your application to interact with the AWS AppSync GraphQL API. But what if your application has no authentication? This post…
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16 days ago
Elon Musk and Jack Ma Debate AI at China Summit
From Jack Ma to Pony Ma, the leading lights of China’s internet industry gather in Shanghai this week to showcase the country’s latest advances in artificial…
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17 days ago
The conversation
A short manifesto about the future of online interaction [Feel free to share.] The world is changing. Faster and more suddenly than most of us expected. And…
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17 days ago
Generated tests with XState and Cypress - Tim Deschryver
Generated tests with XState and Cypress March 16th, 2020 This article is inspired by the talk Write Fewer Tests! From Automation to Autogeneration given by…
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18 days ago
Realtime Shopping List App with AWS Amplify, AppSync, GraphQL, and Vue.js
Diligent Dev Follow Mar 13 · 5 min read Photo by PhotoMIX Ltd. from Pexels Compared to other serverless providers like Firebase and Azure, AWS can be…
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20 days ago
The Trump Presidency Is Over
Bastiaan Slabbers / NurPhoto / Getty Editor's Note: The Atlantic is making vital coverage of the coronavirus available to all readers. Find the collection here…
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20 days ago
The Exponential Power of Now
The explosive spread of coronavirus can be turned to our advantage, two infectious disease experts argue: “But only if we intervene early. That means now.”…
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20 days ago
Setting up Cypress for a micro-frontend architecture on Azure Devops
Working on a micro frontend architecture usually means spliting up a monolithic site and its sections into different parts, where each part (or individual site)…
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21 days ago
Model based UI tests with XState, Cypress, Puppeteer & more - DEV Community 👩‍💻👨‍💻
You may have seen XState appear on your feed lately as an up-and-coming javascript library promoting the usage of state machines for UI development and testing.…
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22 days ago
Getting from Redux to a state machine
This article is about Stent - a Redux -liked library that creates and manages state machines. Stent implements some of the Redux’s core ideas and in fact looks…
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23 days ago
Creating a Complex IVR System with Ease with XState
Even if you didn’t know that’s what they’re called, you probably use IVR systems all the time. An IVR system lets you call a phone number, listen the…
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23 days ago
XState - a Typescript state machine with a lot of features
This post was sparked by a tweet from Ryan Florence... It has been quite some time ago since I last looked at defining a state machine with a DSL in C# and then…
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23 days ago
InfiniCache: Distributed Cache on Top of AWS Lambda (paper review)
“InfiniCache: Exploiting Ephemeral Serverless Functions to Build a Cost-Effective Memory Cache” by Ao Wang, et al. ( link ) is a recently published paper which…
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23 days ago
Mocking XHR requests with Cypress
In this blog post, we'll look at how you can easily mock data from third party APIs using Cypress. Mocking has some advantages such as faster running of tests…
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24 days ago
The guide to add AI to your React Native app with AWS Amplify
AWS Amplify is evolving fast. It is a framework which you can use to provision a cloud back end infrastructure in minutes with the same easiness of ordering a…
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26 days ago
My love letter to XState and statecharts ♥
XState is a JavaScript library created by David K. 🎹 . XState is a library for creating, interpreting, and executing statecharts. Statecharts are a formalism…
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26 days ago
Introduction to D3
​ x d3 = require ( 'd3' ) xxxxxxxxxx d3 . select ( 'li.country' ). style ( 'color' , randomColor ()), null xxxxxxxxxx d3 . selectAll ( 'li.country' ). style (…
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26 days ago
Stop using isLoading booleans
Photo by Christophe Hautier Why using a status enum (or even better: a state machine ) will help your app stay bug free Watch "Use a status enum instead of…
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27 days ago
Understanding State Machines
by Mark Shead An intro to Computer Science concepts Computer science enables us to program, but it is possible to do a lot of programming without understanding…
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27 days ago
Handling data fetching with state machines
Fetching data just got a bit easier Kristofer Giltvedt Selbekk Follow Jul 25, 2018 · 4 min read A very old state machine, probably. No API. Photo by Chester…
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27 days ago
⚛ The React State Museum
Personal Notes on Each Solution: If you want code, check the GitHub, if you want opinions, continue into this very long description below. Here I jump into the…
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27 days ago
Using State Machines with React and XState
Robert Vogt Follow May 20, 2019 · 5 min read Photo by NESA by Makers on Unsplash When we started with the concept and architecture for a new project about a…
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27 days ago
Exclusive: The Strongest Evidence Yet That America Is Botching Coronavirus Testing
Getty / The Atlantic It’s one of the most urgent questions in the United States right now: How many people have actually been tested for the coronavirus? This…
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28 days ago
XState: version 4.7 and the future - DEV Community 👩‍💻👨‍💻
XState version 4.7 has just been released . This is a minor version bump, but a major reworking of the internal algorithms, a lot of new capabilities, bug…
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28 days ago
Quickstart
# Installation The Amplify Command Line Interface (CLI) is a unified toolchain to create, integrate, and manage the AWS cloud services for your app. Install…
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28 days ago
Finite State Machines with React | CSS-Tricks
As JavaScript applications on the web have grown more complex, so too has the complexity of dealing with state in those applications — state being the aggregate…
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4 weeks ago
Post YC Depression
It had been a long time since I'd seen them. In fact, it had been a long time since I’d seen anyone... Every New Years, my friends and I do the same thing. We…
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4 weeks ago
Introducing Tidal
Neil Davé Mar 2 · 3 min read A moonshot to protect the ocean and feed humanity sustainably One of the biggest barriers to protecting the ocean — and our future…
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4 weeks ago
The Season of Delight |Time to Recover and Ready | BrianBranam.com
When life is good, it doesn’t mean that you’ve arrived. It means that God is giving you time to recover and get ready. Life isn’t all bad. Sometimes life is…
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4 weeks ago
Coronavirus: an email to my family — Juliana Grant, MD MPH
Notes: I originally wrote this to share with my family and close friends. It’s now getting passed around so I’m posting it publicly. I have revised the language…
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4 weeks ago
The Elephant in the Architecture
We, and our colleagues, are often called on to perform architectural assessments for our clients. When we do this, the architects involved with these systems…
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4 weeks ago
Cypress.io x LINE Frontend Framework. Let’s create Automated UI Tests for LIFF App with Cypress.io
Traitanit Mar 1 · 9 min read Hi fellow developers & QAs. I believe most of you who’re developing LIFF App (LINE Frontend Framework) for running on LINE’s in-app…
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4 weeks ago
Make your own DevTools
Photo by Philip Swinburn How creating DevTools specific for your own app can improve your productivity Watch "Create App DevTools to enhance development…
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4 weeks ago
Get facts on the Coronavirus from Wuhan, before getting anxious.
An epidemic is when a large number of people get an infectious disease in a short period of time. A pandemic is an epidemic that has gone global. Pandemics are…
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4 weeks ago
DynamoDB Cheatsheet – Everything you need to know about Amazon Dynamo DB for the 2020 AWS Certified Developer Associate Certification
The emergence of cloud services has changed the way we build web-applications. This in turn has changed the responsibilities of a Web Developer. We used to…
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4 weeks ago
Georgia Tech physicists unlock the secret to perfect wok-tossed fried rice
Enlarge / Wok tossing has long been suspected of causing the high shoulder injury rate among Chinese chefs. Hunting Ko and David Hu/Georgia Tech Fried rice is a…
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5 weeks ago
This is why you should go Angular 9 today
I followed almost all of the events around the Angular 9 release. After reading the Angular 9 cheatsheet, reading the Angular next docs, and watching the…
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5 weeks ago
Statechart vs Statemachine
3 I am studying for an exam and a question on one of the previous exams is: A lot of answers on the web are saying Statecharts and Statemachines are the same…
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5 weeks ago
You’re Likely to Get the Coronavirus
Xiao Yijiu / Xinhua / eyevine / Re​dux Updated at 7:43 p.m. on Feb. 25, 2020. In May 1997, a 3-year-old boy developed what at first seemed like the common cold.…
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5 weeks ago
Creating A Cypress Test Environment To Skip Authentication - DEV Community 👩‍💻👨‍💻
The Requirement I recently was tasked with finding a way to skip authentication to easily test our apps using the great End to End testing tool Cypress .…
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5 weeks ago
Open source parallel processing for Gatsby - DEV Community 👩‍💻👨‍💻
To help the greater Gatsby ecosystem shorten the time it takes from commit to deploy, today I've just submitted a freshly baked Pull Request as my first larger…
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5 weeks ago
How Aluminum Damages Your Brain
For years, I've warned that aluminum is a serious neurotoxic hazard involved in rising rates of autism and Alzheimer's disease (AD). I've also warned that…
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5 weeks ago
Persisting React State in localStorage
This is a cross-post from my personal blog . View it there for at least 35% more whimsy! Let's say we're building a calendar app, like Google Calendar. The app…
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5 weeks ago
Deliver Us, Lord, From the Startup Life
In 2012, Chad Reynolds found himself on a South Carolina beach at midnight. He was there for a destination wedding, sitting on the sand with friends, when he…
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5 weeks ago
Composing Software: The Book
Note: This is part of the “Composing Software” book that started life right here as a blog post series. It covers functional programming and compositional…
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5 weeks ago
A Quick Guide to Tracking and Optimizing Sleep
Sleep is weird. We never experience it first hand, spend 1/3 of our lives doing it, and feel the effects of it every single day. I’m not a sleep doctor/expert,…
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5 weeks ago
5 AWS Services You Should Avoid!
David Lin Feb 20 · 10 min read Get ready for some personal and definitely opinionated opinions! AWS comes with many components that cover different areas of…
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5 weeks ago
Single Sign-On (SSO) with Google on AWS Cognito | Angular | Amplify — Part 2
Chameera Dulanga Feb 7 · 3 min read In my previous article, I explained how to integrate AWS Cognito hosted UI with amplify and angular to make a simple…
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5 weeks ago
User Authentication using Angular, Amplify and AWS Cognito Hosted UI
Chameera Dulanga Jan 29 · 5 min read What is Amplify? AWS Amplify is an open-source JavaScript library provided by Amazon Web Services ( AWS ) that enables…
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5 weeks ago
React Boston 2019: Hooks, HOCs, and Tradeoffs · Mark's Dev Blog
More thoughts and observations on the tradeoffs involved in using React hooks and React-Redux Note: If you're looking for my slides on Git Under the Hood:…
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5 weeks ago
Blogged Answers: Thoughts on React Hooks, Redux, and Separation of Concerns · Mark's Dev Blog
Some observations on the tradeoffs involved in using React hooks Intro I've seen a lot of questions about React hooks usage lately, and React-Redux hooks…
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5 weeks ago
Hacking AWS Cognito Misconfigurations - NotSoSecure
Hacking AWS Cognito Misconfigurations February 17, 2020 In this blog, Sunil Yadav , our lead trainer for “Advanced Web Hacking” training class, will discuss a…
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5 weeks ago
Cloud Services Enumeration - AWS, Azure and GCP - NotSoSecure
Cloud Services Enumeration – AWS, Azure and GCP October 28, 2019 TL;DR : We have built cloud enumeration scripts now available @…
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5 weeks ago
Building Chatt - A Real-time Multi-user GraphQL Chat App
One of the most popular use-cases of GraphQL subscriptions is building applications that enable real-time communications (i.e. messaging apps). One of the more…
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5 weeks ago
Andy Van Slaars - notes
Learning State Machines and State Charts with XState I feel like I’ve been sleeping on XState and State Charts for UI. It’s time I buckled down and committed to…
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6 weeks ago
Tim Deschryver
XState is a JavaScript library created by David K. 🎹 . XState is a library for creating, interpreting, and executing statecharts. Statecharts are a formalism…
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6 weeks ago
Working With Variables In Cypress Tests - DEV Community 👩‍💻👨‍💻
Cypress is a great tool for writing automated tests against your web app. It can make end-to-end tests a lot less scary for a JavaScript developer like me. One…
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6 weeks ago
Post | kislay-verma-home
Kislay Verma Home Resume Projects Blog Talks
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6 weeks ago
Momentum > Urgency | Test Obsessed
Let’s talk about motivation. More specifically let’s talk about what leadership can do to help motivate a team. Once upon a time, a director of product…
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6 weeks ago
Why I'll Be Using Cypress For UI Automation
I've mentioned in previous posts that I don't do much UI automation. This is because the team projects I am currently on have almost no UI, and it's also…
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6 weeks ago
Converting a Serverless App to run on AWS Lambda and DynamoDB with Serverless Framework
Instructor Created Collection Converting a Serverless App to run on AWS Lambda and DynamoDB with Serverless Framework 42m RSS Watch Collection This collection…
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6 weeks ago
Configuring Cypress for multiple testing environments
Cypress is a great tool for front-end testing. It provides features such as mocking HTTP responses, stubbing objects and methods and simulating user…
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6 weeks ago
State of Remote Work 2020
State of Remote Work 2020 The 2020 State of Remote Work Top insights and data from one of the largest remote work reports. SCROLL When some people think of the…
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7 weeks ago
Android, no more free plans, and more: releasing 0.0.114
The next update, 0.0.114, is now available . This is a big update that focuses on improving syncing reliability and performance, preps for bank syncing, and…
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7 weeks ago
Supercharge your command line experience: GitHub CLI is now in beta - The GitHub Blog
We’re introducing an easier and more seamless way to work with GitHub from the command line— GitHub CLI , now in beta. Millions of developers rely on GitHub to…
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7 weeks ago
Add interactivity to your CLIs with React - LogRocket Blog
Command-line interfaces (or CLIs) are becoming more and more interactive lately. They accept user input, render many variations of user interfaces, have…
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7 weeks ago
New – Serverless Lens in AWS Well-Architected Tool | Amazon Web Services
When you build and run applications in the cloud, how often are you asking yourself “am I doing this right” ? This is actually a very good question, and to let…
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7 weeks ago
Gary Olliffe on LinkedIn: In the last year, we've seen increasing client interest in GraphQL
Gary Olliffe 1w · Edited Report this post Thanks Kevin Matheny for sharing this... #graphql is rightly making many teams rethink how they design APIs,…
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7 weeks ago
7 tips for building a remote-first culture
Matt Apperson Feb 10 · 5 min read After over ten years of working and managing remote teams full time, I wanted to take a moment and share some of the things I…
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7 weeks ago
A one size fits all database doesn't fit anyone - All Things Distributed
A common question that I get is why do we offer so many database products? The answer for me is simple: Developers want their applications to be well…
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7 weeks ago
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