A lounge where you find thoughts on software development, productivity, and life.https://andrei-calazans.com/https://andrei-calazans.com/posts/2017-08-25-relay-is-just-getting-better/https://andrei-calazans.com/posts/2017-08-25-relay-is-just-getting-better/In a recent commit to Relay 1.2, it was added a third argument to refetchConnection, the refetchConnection is an API provided by the createPaginationContainerFri, 25 Aug 2017 00:00:00 GMThttps://andrei-calazans.com/posts/2018-02-22-class-fields-arrow-functions/https://andrei-calazans.com/posts/2018-02-22-class-fields-arrow-functions/Advantages of using class fields and Arrow functionsThu, 22 Feb 2018 00:00:00 GMThttps://andrei-calazans.com/posts/2018-05-09-why-use-set-state/https://andrei-calazans.com/posts/2018-05-09-why-use-set-state/Should one stop using class setState for lack of understanding it.Wed, 09 May 2018 00:00:00 GMThttps://andrei-calazans.com/posts/2018-09-16-class-components-es6-class-fields/https://andrei-calazans.com/posts/2018-09-16-class-components-es6-class-fields/With the advent of ES6 and Class fields we can now write shorter components and without the need of worrying with the this keyword bind.Sun, 16 Sep 2018 00:00:00 GMThttps://andrei-calazans.com/posts/2018-09-28-which-component-to-use/https://andrei-calazans.com/posts/2018-09-28-which-component-to-use/React introduces a component model to compose your UI. There are a couple of ways of rendering a component/JSX. You can use these simples rules to determine which way to write your component.Fri, 28 Sep 2018 00:00:00 GMThttps://andrei-calazans.com/posts/2018-10-22-automated-storybook-flow/https://andrei-calazans.com/posts/2018-10-22-automated-storybook-flow/In this Medium Post, I explain how you can automate your StoryBook set up for React NativeMon, 22 Oct 2018 00:00:00 GMThttps://andrei-calazans.com/posts/2018-10-26-summary-react-conf-brazil/https://andrei-calazans.com/posts/2018-10-26-summary-react-conf-brazil/The second year of the biggest conference of React in Latin America gathered big names of the Brazilian React scene. This is a summary of everything that happened.Fri, 26 Oct 2018 00:00:00 GMThttps://andrei-calazans.com/posts/2019-02-21-reasonml-flow-ts-function-inference/https://andrei-calazans.com/posts/2019-02-21-reasonml-flow-ts-function-inference/Interesting how in ReasonML we don't need to worry much about types thanks to it's inferenceThu, 21 Feb 2019 00:00:00 GMThttps://andrei-calazans.com/posts/2019-04-05-react-native-flatlist-with-hooks/https://andrei-calazans.com/posts/2019-04-05-react-native-flatlist-with-hooks/React Native recently added support to React hooks. Here is an overview of how to use FlatList with it.Fri, 05 Apr 2019 00:00:00 GMThttps://andrei-calazans.com/posts/2019-07-30-choose-between-flutter-react-native/https://andrei-calazans.com/posts/2019-07-30-choose-between-flutter-react-native/Which should we choose? The rise of Flutter brought doubt to the decisions for a new mobile project. This doubt did not exist back in 2016/17 when someone needed a cross-platform mobile solution. Back in 2016/17Tue, 30 Jul 2019 00:00:00 GMThttps://andrei-calazans.com/posts/2019-08-06-react-separation-of-concerns/https://andrei-calazans.com/posts/2019-08-06-react-separation-of-concerns/When specifying the behavior of a data structure component, there are often two concerns that need to be dealt with: basic functionality and support for data integrity. A data structure component is often easier to use if these two concerns are divided as much as possible into separate sets of client functions.²Tue, 06 Aug 2019 00:00:00 GMThttps://andrei-calazans.com/posts/2020-06-03-tv-apps-handling-focus-styling-in-cpp-for-performance-gains-with-react-native-youi/https://andrei-calazans.com/posts/2020-06-03-tv-apps-handling-focus-styling-in-cpp-for-performance-gains-with-react-native-youi/When specifying the behavior of a data structure component, there are often two concerns that need to be dealt with: basic functionality and support for data integrity. A data structure component is often easier to use if these two concerns are divided as much as possible into separate sets of client functions.²Wed, 03 Jun 2020 00:00:00 GMThttps://andrei-calazans.com/posts/2020-08-14-using-react-refs/https://andrei-calazans.com/posts/2020-08-14-using-react-refs/What many forget is how Functional components are not referenceable. How can we overcome this?Fri, 14 Aug 2020 00:00:00 GMThttps://andrei-calazans.com/posts/2020-08-19-private-package-registry-bug/https://andrei-calazans.com/posts/2020-08-19-private-package-registry-bug/While working on a client project, I ran into an issue with their private registry. I kept seeing the unauthorized error when I ran yarn install. It was a weird issue especially because I had all of the correct keys. After some investigation I found out I was using the wrong `_auth` value.Wed, 19 Aug 2020 00:00:00 GMThttps://andrei-calazans.com/posts/2020-10-20-podcast-eli-white-react-native-principles/https://andrei-calazans.com/posts/2020-10-20-podcast-eli-white-react-native-principles/I pinpoint the parts I found interesting in this podcast where Eli White revists React Native's principles and more.Tue, 20 Oct 2020 00:00:00 GMThttps://andrei-calazans.com/posts/2020-10-23-is-this-reducer-unpure/https://andrei-calazans.com/posts/2020-10-23-is-this-reducer-unpure/Redux Reducer rule number one -- it shall not mutate. But, can this be considered a mutation?Fri, 23 Oct 2020 00:00:00 GMThttps://andrei-calazans.com/posts/2020-10-24-how-avoid-learned-helplessness/https://andrei-calazans.com/posts/2020-10-24-how-avoid-learned-helplessness/Are you always asking for help? Does the task at hand feel completely overwhelming and you don't know where to begin or what to do? You could be suffering of "learned helplessness".Sat, 24 Oct 2020 00:00:00 GMThttps://andrei-calazans.com/posts/2020-10-25-how-to-create-a-native-view-with-react-native-youi/https://andrei-calazans.com/posts/2020-10-25-how-to-create-a-native-view-with-react-native-youi/This post will walk you through the steps to create a Native View Module for react-native-youi library.Sun, 25 Oct 2020 00:00:00 GMThttps://andrei-calazans.com/posts/2020-10-27-keeping-up-with-react-native/https://andrei-calazans.com/posts/2020-10-27-keeping-up-with-react-native/React Native never stops evolving, everyday there are new libraries and new updates to React Native core. This post is an organic article that is periodically updated with the changes of React Native.Tue, 27 Oct 2020 00:00:00 GMThttps://andrei-calazans.com/posts/2020-10-30-react-native-focused-animated-button-for-tenfoot/https://andrei-calazans.com/posts/2020-10-30-react-native-focused-animated-button-for-tenfoot/On 10ft devices visual feedback is required not only for presses but also for focus. The following is a simple implementation of such. Fri, 30 Oct 2020 00:00:00 GMThttps://andrei-calazans.com/posts/2020-11-01-hooks-were-not-made-to-give-state-to-functions/https://andrei-calazans.com/posts/2020-11-01-hooks-were-not-made-to-give-state-to-functions/There is a misconception that hooks were created to simply give state to functions. This post goes over the reasons hooks were created and why you should know them.Sun, 01 Nov 2020 00:00:00 GMThttps://andrei-calazans.com/posts/2020-11-20-podcast-react-native-eu-qa-panel/https://andrei-calazans.com/posts/2020-11-20-podcast-react-native-eu-qa-panel/Highlights from the React Native Show Podcast with the presenters of the React Native EU 2020.Fri, 20 Nov 2020 00:00:00 GMThttps://andrei-calazans.com/posts/2020-11-21-what-is-your-actionable-list/https://andrei-calazans.com/posts/2020-11-21-what-is-your-actionable-list/This came up while I was thinking about my goals. To become a developer I came up with a plan that resulted in a simple list of actions I had to accomplish to achieve what I wanted.Sat, 21 Nov 2020 00:00:00 GMThttps://andrei-calazans.com/posts/2020-12-23-youi-extending-rn-comps-with-counterparts/https://andrei-calazans.com/posts/2020-12-23-youi-extending-rn-comps-with-counterparts/In this tutorial, I go over how to create a native module in C++ to extend the functionality of React Native You.i components by tapping into its counterpartsWed, 23 Dec 2020 00:00:00 GMThttps://andrei-calazans.com/posts/2021-02-06-explicit-vs-implicit/https://andrei-calazans.com/posts/2021-02-06-explicit-vs-implicit/For better developer experience always prefer an explicit pattern. Here is why.Sat, 06 Feb 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-02-08-time-spent-on-comprehesion/https://andrei-calazans.com/posts/2021-02-08-time-spent-on-comprehesion/Code comprehension represents the largest amount of time spent with a codebaseMon, 08 Feb 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-03-14-next-js-handling-linkable-tabs/https://andrei-calazans.com/posts/2021-03-14-next-js-handling-linkable-tabs/Do you need to have tabs in your Next.js app and these tabs need to have links to them?Sun, 14 Mar 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-03-21-react-native-weekly/https://andrei-calazans.com/posts/2021-03-21-react-native-weekly/React Native Weekly - W12 2021Sun, 21 Mar 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-03-29-react-native-weekly/https://andrei-calazans.com/posts/2021-03-29-react-native-weekly/React Native Weekly - W13 2021Mon, 29 Mar 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-04-05-react-native-weekly/https://andrei-calazans.com/posts/2021-04-05-react-native-weekly/React Native Weekly - W14 2021Mon, 05 Apr 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-04-10-use-cases-for-react-class-comps/https://andrei-calazans.com/posts/2021-04-10-use-cases-for-react-class-comps/What are the use cases for React Class components today despite the existence of Function Components and Hooks?Sat, 10 Apr 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-04-12-react-native-weekly/https://andrei-calazans.com/posts/2021-04-12-react-native-weekly/React Native Weekly - W15 2021Mon, 12 Apr 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-04-17-documentation-oriented-programming/https://andrei-calazans.com/posts/2021-04-17-documentation-oriented-programming/How about a "Documentation Oriented Programming". You write a document as you work on the problem with the how/what/why. It could be: shared, referenced, and posted.Sat, 17 Apr 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-04-18-lead-engineering-teams-intrinsic-motivation/https://andrei-calazans.com/posts/2021-04-18-lead-engineering-teams-intrinsic-motivation/Intrinsic motivation is when you engage in a behavior because you find it rewarding. Do you understand how you can use this to make healthy software engineering teams?Sun, 18 Apr 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-04-18-react-native-weekly/https://andrei-calazans.com/posts/2021-04-18-react-native-weekly/React Native Weekly - W16 2021Sun, 18 Apr 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-04-24-comments-on-lelands-prediction/https://andrei-calazans.com/posts/2021-04-24-comments-on-lelands-prediction/Leland made a prediction about the popularity of React & React Native, and usage of strictly typed languages back in 2017. How did it pan out?Sat, 24 Apr 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-04-26-react-native-weekly/https://andrei-calazans.com/posts/2021-04-26-react-native-weekly/React Native Weekly - W17 2021Mon, 26 Apr 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-05-01-flexible-vs-rigid-systems/https://andrei-calazans.com/posts/2021-05-01-flexible-vs-rigid-systems/I decided I wanted to write about flexible versus rigid systems because I observed a pattern emerge over and over in projects and open source libraries. While observing this pattern, I noticed how it impacted our perception of the codebase in the early and later days.Sat, 01 May 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-05-03-react-native-weekly/https://andrei-calazans.com/posts/2021-05-03-react-native-weekly/React Native Weekly - W18 2021Mon, 03 May 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-05-06-next-js-when-to-use-get-server-side-props/https://andrei-calazans.com/posts/2021-05-06-next-js-when-to-use-get-server-side-props/This was a recent doubt that I had, and when I researched the answer I noticed that many are making a mistake when it comes to this.Thu, 06 May 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-05-09-react-native-weekly/https://andrei-calazans.com/posts/2021-05-09-react-native-weekly/React Native Weekly - W19 2021Sun, 09 May 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-05-12-open-source-apps/https://andrei-calazans.com/posts/2021-05-12-open-source-apps/I have been compiling a list of open source apps that I find online. This is a very helpful list for you to learn common patterns used in React Apps.Wed, 12 May 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-05-17-react-native-weekly/https://andrei-calazans.com/posts/2021-05-17-react-native-weekly/React Native Weekly - W20 2021Mon, 17 May 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-05-19-engineering-dep-questions-to-answer/https://andrei-calazans.com/posts/2021-05-19-engineering-dep-questions-to-answer/What are some questions every engineering department should try to answer?Wed, 19 May 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-05-23-react-native-weekly/https://andrei-calazans.com/posts/2021-05-23-react-native-weekly/React Native Weekly - W21 2021Sun, 23 May 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-05-27-test-driven-learning/https://andrei-calazans.com/posts/2021-05-27-test-driven-learning/When programming it is ideal to always optimize for faster iterations, but what about learning?Thu, 27 May 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-05-29-what-is-taiko/https://andrei-calazans.com/posts/2021-05-29-what-is-taiko/Taiko define itself as a "Reliable Browser Automation". This post goes over in detail what Taiko is plus shows you the result of integrating it into a project.Sat, 29 May 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-05-31-react-native-weekly/https://andrei-calazans.com/posts/2021-05-31-react-native-weekly/React Native Weekly - W22 2021Mon, 31 May 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-06-06-react-native-weekly/https://andrei-calazans.com/posts/2021-06-06-react-native-weekly/React Native Weekly - W23 2021Sun, 06 Jun 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-06-14-react-native-weekly/https://andrei-calazans.com/posts/2021-06-14-react-native-weekly/React Native Weekly - W24 2021Mon, 14 Jun 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-06-17-a-guide-to-managing-tech-teams/https://andrei-calazans.com/posts/2021-06-17-a-guide-to-managing-tech-teams/Video notes and comments on Dave Fariley's Youtube video on this subject.Thu, 17 Jun 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-06-21-react-native-weekly/https://andrei-calazans.com/posts/2021-06-21-react-native-weekly/React Native Weekly - W25 2021Mon, 21 Jun 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-06-22-hiring-software-engineers/https://andrei-calazans.com/posts/2021-06-22-hiring-software-engineers/This is a comment type post where I highlight TripleByte's pivot towards a job search platform and Aline Lerner's post on why hiring is broken.Tue, 22 Jun 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-06-23-passing-secrets-github-actions-docker/https://andrei-calazans.com/posts/2021-06-23-passing-secrets-github-actions-docker/I spent a few hours trying to figure out how to consume a Github secret within a Dockerfile, this post shows you how to do it.Wed, 23 Jun 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-06-28-react-native-weekly/https://andrei-calazans.com/posts/2021-06-28-react-native-weekly/React Native Weekly - W26 2021Mon, 28 Jun 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-07-05-react-native-weekly/https://andrei-calazans.com/posts/2021-07-05-react-native-weekly/React Native Weekly - W27 2021Mon, 05 Jul 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-07-12-react-native-weekly/https://andrei-calazans.com/posts/2021-07-12-react-native-weekly/React Native Weekly - W28 2021Mon, 12 Jul 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-07-19-react-native-weekly/https://andrei-calazans.com/posts/2021-07-19-react-native-weekly/React Native Weekly - W29 2021Mon, 19 Jul 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-07-26-react-native-weekly/https://andrei-calazans.com/posts/2021-07-26-react-native-weekly/React Native Weekly - W30 2021Mon, 26 Jul 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-07-30-grid-view-for-react-native/https://andrei-calazans.com/posts/2021-07-30-grid-view-for-react-native/A GridView is a component that can render a list of items and group the items by the crossAxisCount.Fri, 30 Jul 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-08-02-react-native-weekly/https://andrei-calazans.com/posts/2021-08-02-react-native-weekly/React Native Weekly - W31 2021Mon, 02 Aug 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-08-09-react-native-weekly/https://andrei-calazans.com/posts/2021-08-09-react-native-weekly/React Native Weekly - W32 2021Mon, 09 Aug 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-08-16-react-native-weekly/https://andrei-calazans.com/posts/2021-08-16-react-native-weekly/React Native Weekly - W33 2021Mon, 16 Aug 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-08-23-react-native-weekly/https://andrei-calazans.com/posts/2021-08-23-react-native-weekly/React Native Weekly - W34 2021Mon, 23 Aug 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-08-30-react-native-weekly/https://andrei-calazans.com/posts/2021-08-30-react-native-weekly/React Native Weekly - W35 2021Mon, 30 Aug 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-09-06-react-native-weekly/https://andrei-calazans.com/posts/2021-09-06-react-native-weekly/React Native Weekly - W36 2021Mon, 06 Sep 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-09-20-react-native-weekly/https://andrei-calazans.com/posts/2021-09-20-react-native-weekly/React Native Weekly - W37 W38 2021Mon, 20 Sep 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-09-27-react-native-weekly/https://andrei-calazans.com/posts/2021-09-27-react-native-weekly/React Native Weekly - W39 2021Mon, 27 Sep 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-10-04-react-native-weekly/https://andrei-calazans.com/posts/2021-10-04-react-native-weekly/React Native Weekly - W40 2021Mon, 04 Oct 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-10-10-react-native-weekly/https://andrei-calazans.com/posts/2021-10-10-react-native-weekly/React Native Weekly - W41 2021Sun, 10 Oct 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-10-17-react-native-weekly/https://andrei-calazans.com/posts/2021-10-17-react-native-weekly/React Native Weekly - W42 2021Sun, 17 Oct 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-10-22-typing-higher-order-functions-ts/https://andrei-calazans.com/posts/2021-10-22-typing-higher-order-functions-ts/The problem, solution, and story behind me figuring this out. Expect to learn TypeScript's generics, function types, Parameters and ReturnType utility, and inference if you pay attention to ReturnPromiseTypeFri, 22 Oct 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-10-25-react-native-weekly/https://andrei-calazans.com/posts/2021-10-25-react-native-weekly/React Native Weekly - W43 2021Mon, 25 Oct 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-11-01-react-native-weekly/https://andrei-calazans.com/posts/2021-11-01-react-native-weekly/React Native Weekly - W44 2021Mon, 01 Nov 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-11-08-react-native-weekly/https://andrei-calazans.com/posts/2021-11-08-react-native-weekly/React Native Weekly - W45 2021Mon, 08 Nov 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-11-15-react-native-weekly/https://andrei-calazans.com/posts/2021-11-15-react-native-weekly/React Native Weekly - W46 2021Mon, 15 Nov 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-11-20-til-css-current-color-var/https://andrei-calazans.com/posts/2021-11-20-til-css-current-color-var/Today I learned what the currentColor keyword does in CSSSat, 20 Nov 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-11-22-react-native-weekly/https://andrei-calazans.com/posts/2021-11-22-react-native-weekly/React Native Weekly - W47 2021Mon, 22 Nov 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-11-29-react-native-weekly/https://andrei-calazans.com/posts/2021-11-29-react-native-weekly/React Native Weekly - W48 2021Mon, 29 Nov 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-12-06-react-native-weekly/https://andrei-calazans.com/posts/2021-12-06-react-native-weekly/React Native Weekly - W49 2021Mon, 06 Dec 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-12-13-react-native-weekly/https://andrei-calazans.com/posts/2021-12-13-react-native-weekly/React Native Weekly - W50 2021Mon, 13 Dec 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2021-12-20-react-native-weekly/https://andrei-calazans.com/posts/2021-12-20-react-native-weekly/React Native Weekly - W51 2021Mon, 20 Dec 2021 00:00:00 GMThttps://andrei-calazans.com/posts/2022-01-17-react-native-weekly/https://andrei-calazans.com/posts/2022-01-17-react-native-weekly/React Native Weekly - W3 2022Mon, 17 Jan 2022 00:00:00 GMThttps://andrei-calazans.com/posts/2022-01-24-react-native-weekly/https://andrei-calazans.com/posts/2022-01-24-react-native-weekly/React Native Weekly - W4 2022Mon, 24 Jan 2022 00:00:00 GMThttps://andrei-calazans.com/posts/2022-01-26-til-git-worktree/https://andrei-calazans.com/posts/2022-01-26-til-git-worktree/Today I learned Git worktree worksWed, 26 Jan 2022 00:00:00 GMThttps://andrei-calazans.com/posts/2022-01-30-react-native-weekly/https://andrei-calazans.com/posts/2022-01-30-react-native-weekly/React Native Weekly - W5 2022Sun, 30 Jan 2022 00:00:00 GMThttps://andrei-calazans.com/posts/2022-02-01-til-node-inspect-vs-inspect-brk/https://andrei-calazans.com/posts/2022-02-01-til-node-inspect-vs-inspect-brk/Today I learned what the difference between Node.js' --inspect and --inspect-brk isTue, 01 Feb 2022 00:00:00 GMThttps://andrei-calazans.com/posts/2022-02-02-til-why-vim-fzf-wont-highlight/https://andrei-calazans.com/posts/2022-02-02-til-why-vim-fzf-wont-highlight/Today I learned why Fzf.vim's preview window was not syntax highlighting.Wed, 02 Feb 2022 00:00:00 GMThttps://andrei-calazans.com/posts/2022-02-07-react-native-weekly/https://andrei-calazans.com/posts/2022-02-07-react-native-weekly/React Native Weekly - W6 2022Mon, 07 Feb 2022 00:00:00 GMThttps://andrei-calazans.com/posts/2022-02-27-react-native-weekly/https://andrei-calazans.com/posts/2022-02-27-react-native-weekly/React Native Weekly Special - Weeks 7, 8, and 9 2022Sun, 27 Feb 2022 00:00:00 GMThttps://andrei-calazans.com/posts/2022-03-06-react-native-weekly/https://andrei-calazans.com/posts/2022-03-06-react-native-weekly/React Native Weekly - W10 2022Sun, 06 Mar 2022 00:00:00 GMThttps://andrei-calazans.com/posts/2022-03-22-react-native-weekly/https://andrei-calazans.com/posts/2022-03-22-react-native-weekly/React Native Weekly - The EndTue, 22 Mar 2022 00:00:00 GMThttps://andrei-calazans.com/posts/2022-03-31-memoization-mistake-flatlist-renderitem/https://andrei-calazans.com/posts/2022-03-31-memoization-mistake-flatlist-renderitem/Let's take a look at caching FlatList's renderItem when it needs to pass down an ID to the on press of the list's item.Thu, 31 Mar 2022 00:00:00 GMThttps://andrei-calazans.com/posts/2022-04-01-til-change-base-branch-on-git/https://andrei-calazans.com/posts/2022-04-01-til-change-base-branch-on-git/Today I learned git rebase --ontoFri, 01 Apr 2022 00:00:00 GMThttps://andrei-calazans.com/posts/2022-09-21-til-git-diff-file-filter/https://andrei-calazans.com/posts/2022-09-21-til-git-diff-file-filter/Today I learned how to filter files when doing git diffWed, 21 Sep 2022 00:00:00 GMThttps://andrei-calazans.com/posts/2022-10-03-retriable-suspense-wrapper/https://andrei-calazans.com/posts/2022-10-03-retriable-suspense-wrapper/What if we placed React's Suspense retry logic at the same level as its error boundaries?Mon, 03 Oct 2022 00:00:00 GMThttps://andrei-calazans.com/posts/2022-12-06-til-postfixed-403/https://andrei-calazans.com/posts/2022-12-06-til-postfixed-403/Today I learned why the :443 postfix on https domains are usedTue, 06 Dec 2022 00:00:00 GMThttps://andrei-calazans.com/posts/2022-12-12-til-overriding-nodejs-module-with-metro/https://andrei-calazans.com/posts/2022-12-12-til-overriding-nodejs-module-with-metro/Today I learned how to easily override an imported module with MetroMon, 12 Dec 2022 00:00:00 GMThttps://andrei-calazans.com/posts/2023-01-03-the-missing-semester-review/https://andrei-calazans.com/posts/2023-01-03-the-missing-semester-review/Have you heard of "The Missing Semester" course provided by a team of instructors at MIT? They promise to go over a set of tools which can help you become a more proficient software engineer.Tue, 03 Jan 2023 00:00:00 GMThttps://andrei-calazans.com/posts/2023-02-06-visible-component-react-native/https://andrei-calazans.com/posts/2023-02-06-visible-component-react-native/Simple implementation of a Visible component that enables you to toggle the visibility of any component.Mon, 06 Feb 2023 00:00:00 GMThttps://andrei-calazans.com/posts/2023-06-26-the-state-of-gpt-by-andrej/https://andrei-calazans.com/posts/2023-06-26-the-state-of-gpt-by-andrej/Summary and notes of Andrej Karpathy's The State of GPT keynote at Microsoft BuildMon, 26 Jun 2023 00:00:00 GMThttps://andrei-calazans.com/posts/2023-10-11-how-to-succeed-in-remote-work/https://andrei-calazans.com/posts/2023-10-11-how-to-succeed-in-remote-work/Throughout the years I found that being successful as a remote worker requires special attention to certain details and in this post I want to highlight them for you.Wed, 11 Oct 2023 00:00:00 GMThttps://andrei-calazans.com/posts/2023-11-16-react-native-performance-book-course/https://andrei-calazans.com/posts/2023-11-16-react-native-performance-book-course/I'm writing a book and course about the tooling one can use to idenfity performance bottlenecks on React Native.Thu, 16 Nov 2023 00:00:00 GMThttps://andrei-calazans.com/posts/2025-07-31-state-of-software-dev/https://andrei-calazans.com/posts/2025-07-31-state-of-software-dev/Ramblings on the craft and its state given LLMsThu, 31 Jul 2025 00:00:00 GMThttps://andrei-calazans.com/posts/2025-09-05-future-of-rn/https://andrei-calazans.com/posts/2025-09-05-future-of-rn/Quick notes on the future of React Native with its new archFri, 05 Sep 2025 00:00:00 GMThttps://andrei-calazans.com/posts/2025-09-09-git-merge-no-commits/https://andrei-calazans.com/posts/2025-09-09-git-merge-no-commits/Using git merge --no-commit --no-ff to stage selective changes across branchesTue, 09 Sep 2025 00:00:00 GMThttps://andrei-calazans.com/posts/2025-ios-simulators-are-at-fault/https://andrei-calazans.com/posts/2025-ios-simulators-are-at-fault/Hear me out, it's iOS simulator's fault!Fri, 01 Aug 2025 00:00:00 GMThttps://andrei-calazans.com/posts/2025-llms-need-working-memory/https://andrei-calazans.com/posts/2025-llms-need-working-memory/LLMs need a way to synthesize information. Bigger context does not yield better results.Fri, 25 Apr 2025 00:00:00 GMThttps://andrei-calazans.com/posts/analyzing-app-start-android-systrace/https://andrei-calazans.com/posts/analyzing-app-start-android-systrace/Learn how to use Perfetto to capture and analyze app start performance in React Native Android apps, including a script to automate the process.Tue, 05 Aug 2025 00:00:00 GMThttps://andrei-calazans.com/posts/attention-with-large-list-of-objects-graphql/https://andrei-calazans.com/posts/attention-with-large-list-of-objects-graphql/The cost of large list of objects in GraphQL and possible ways to optimize them.Thu, 04 Apr 2024 00:00:00 GMThttps://andrei-calazans.com/posts/bridging-trace-on-android/https://andrei-calazans.com/posts/bridging-trace-on-android/This covers how you can get Trace calls from both the native and the JS threadThu, 07 Aug 2025 00:00:00 GMThttps://andrei-calazans.com/posts/can-html-render-40-updates-per-second/https://andrei-calazans.com/posts/can-html-render-40-updates-per-second/Can Virtual DOM and Vanilla JS handle 40 updates per second from SSE?Fri, 30 Aug 2024 00:00:00 GMThttps://andrei-calazans.com/posts/circular-state-dependency-with-relay-fragments/https://andrei-calazans.com/posts/circular-state-dependency-with-relay-fragments/GraphQL's fragments always fetch irregardless if the consuming component renders or not causing over-fetchingFri, 16 Feb 2024 00:00:00 GMThttps://andrei-calazans.com/posts/expensive-get-constant-call-blocking-the-js-thread/https://andrei-calazans.com/posts/expensive-get-constant-call-blocking-the-js-thread/In this post I share a story ofhow we found a blocking JS thread call within Systrace caused by jail-monkeyFri, 08 Aug 2025 00:00:00 GMThttps://andrei-calazans.com/posts/expo-updates-stuck-on-android-when-force-update/https://andrei-calazans.com/posts/expo-updates-stuck-on-android-when-force-update/A workaround for the Android UI freeze issue during OTA updates in React Native 0.79.5 when running with the old architecture.Thu, 13 Nov 2025 00:00:00 GMThttps://andrei-calazans.com/posts/how-to-global-catch-errors/https://andrei-calazans.com/posts/how-to-global-catch-errors/A guide on how to listen to uncaught/unhandled errors in React NativeSun, 22 Sep 2024 00:00:00 GMThttps://andrei-calazans.com/posts/making-switch-else-case-safer/https://andrei-calazans.com/posts/making-switch-else-case-safer/Explore how to enable exhaustive checks in TypeScript switch cases, enhancing code safety and reducing unhandled errorsThu, 04 Jan 2024 00:00:00 GMThttps://andrei-calazans.com/posts/metro-http-cache/https://andrei-calazans.com/posts/metro-http-cache/A guide on how to implement Metro's Http Cache in React NativeSat, 13 Apr 2024 00:00:00 GMThttps://andrei-calazans.com/posts/migrating-native-module-to-turbo-module-android/https://andrei-calazans.com/posts/migrating-native-module-to-turbo-module-android/How to migrate a React Native's Native Module to Turbo Module on AndroidWed, 06 Aug 2025 00:00:00 GMThttps://andrei-calazans.com/posts/personal-note-on-learning-rust/https://andrei-calazans.com/posts/personal-note-on-learning-rust/Quick notes on my thoughts on studying Rust.Tue, 09 Jan 2024 00:00:00 GMThttps://andrei-calazans.com/posts/predefined-errors-as-constant-problem/https://andrei-calazans.com/posts/predefined-errors-as-constant-problem/Using predefined error constants introduces misleading stack traces, which can complicate debugging and error tracking.Tue, 07 Jan 2025 00:00:00 GMThttps://andrei-calazans.com/posts/react-19-error-boundary-changed/https://andrei-calazans.com/posts/react-19-error-boundary-changed/An exploration of changes in error boundary behavior in React 19.Thu, 06 Nov 2025 00:00:00 GMThttps://andrei-calazans.com/posts/react-native-android-enabling-flog/https://andrei-calazans.com/posts/react-native-android-enabling-flog/Quick tip on how to enable React Native Core's FLog logs without building from sourceWed, 12 Nov 2025 00:00:00 GMThttps://andrei-calazans.com/posts/react-native-android-feature-flags/https://andrei-calazans.com/posts/react-native-android-feature-flags/Quick tip on how to set React Native Core's feature flag without building from sourceFri, 11 Apr 2025 00:00:00 GMThttps://andrei-calazans.com/posts/react-native-debugger-frontend/https://andrei-calazans.com/posts/react-native-debugger-frontend/A little to trick to allow you to get access to the latest React Native DevToolsMon, 15 Dec 2025 00:00:00 GMThttps://andrei-calazans.com/posts/reanimated-blocking-js-thread/https://andrei-calazans.com/posts/reanimated-blocking-js-thread/A review of a common mistake with Reanimated.Tue, 18 Jun 2024 00:00:00 GMThttps://andrei-calazans.com/posts/rust-basics-by-gpt/https://andrei-calazans.com/posts/rust-basics-by-gpt/Can ChatGPT write an entire book about Rust assisted by a developer without Rust expertise?Mon, 08 Jan 2024 00:00:00 GMThttps://andrei-calazans.com/posts/styled-components-xss-danger/https://andrei-calazans.com/posts/styled-components-xss-danger/Learn about XSS vulnerabilities when interpolating styled-components in ReactMon, 20 Jan 2025 00:00:00 GMThttps://andrei-calazans.com/posts/you-should-be-using-rtx/https://andrei-calazans.com/posts/you-should-be-using-rtx/mise - A version manager for multiple languages like ASDF, has great developer experience and is not yet an industry standard.Sat, 30 Dec 2023 00:00:00 GMT