🚨Watch On YouTube Here I have a resolver for coupon code redemption. It should throw an error when the code doesn’t exist or has a claim. Apollo server provides a few errors we can use to communicate errors to a client. import { OperationContext } from "../../../graphql/OperationContext" import { assertUserId }…

🚨Watch On YouTube We can immediately load the app state by saving the react-query cache to local storage. Let's try it out! react-query has a utility for persisting the state of your queryClient and its caches for later use. We can import everything from react-query. For persist to work properly…

🚨 Watch on YouTube I have a productivity app, and usually, I store things that can work without a back-end in the local storage. Here we have a hook that provides a state for a widget that plays focus sounds. It stores everything in the local storage, and I call…

🚨 Watch on YouTube Can you use a timer to be more productive? Let’s find out. Most likely, you’ve already heard about the Pomodoro technique. One Pomodoro session is 25 minutes of working or studying without any distractions. You do four sessions with a 5-minute break between each one, then…

🚨 Watch on YouTube Losing significant money This month I lost 30k in crypto. It is time to reflect and make principles to prevent myself from repeating the mistake. Most of my crypto was in Terra ecosystem’s tokens, and the recent Luna crash wiped them out. …

Recently I decided to give up on my side project — a jobs aggregator for remote react developers. I worked on it for a month and a half and invested 41 hours of work into it. Could I validate the idea faster? Let’s find out. The Problem and Existing Solutions …

A more appealing, readable, and up-to-date version of this story is available on my personal blog. Recently I had to update and refactor authentication logic in Increaser app. …

A more appealing, readable, and up-to-date version of this story is available on my personal blog. Why Adding Feature Voting Board Increaser always had my contacts somewhere on the about page, and some customers did reach out to me with ideas from time to time. One year after the release, I decided to add a…

A more appealing, readable, and up-to-date version of this story is available on my personal blog. In the story, I will explain how I moved all my posts from Medium to Gatsby website so that you could do the same in less time. Why Did I Move Everything From Medium My first post appeared on Medium back…