Petr Lzicar – Medium

Petr Lzicar

I'd tried FlashList and i'm glad for it aka improve react-native lists speed

Our App PraceZaRohem commonly shows up to 500 items on main screen list. So it’s important to us make scroll smooth and fast. On…

Sep 15, 2022

I'd tried FlashList and i'm glad for it aka improve react-native lists speed

Sep 15, 2022

How I migrate Symfony 4.4 to 5.4 in legacy app

We are using Symfony FW from version 2.x, so we have lots of code, which is with us for several yers. Because end of lifecycle 4.x version…

Jul 1, 2022

How I migrate Symfony 4.4 to 5.4 in legacy app

Jul 1, 2022

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Why we did choose NextJS for our website and you should consider it too for next project

About a year ago we decided to redesign our website pracezarohem.cz and pracazarogiem.pl. Redesign was too extensive, so we decided to…

May 20, 2022

Why we did choose NextJS for our website and you should consider it too for next project

May 20, 2022

How I Upgraded Expo 41 -> 44

Upgrading Expo over more versions can be tricky. Lets see to my jurney, when i migrating from Expo version 41 to 44.

Jan 29, 2022

How I Upgraded Expo 41 -> 44

Jan 29, 2022

Why I Like redux-observable

I would like to share my experience with redux-observable in a few points.

Jan 14, 2022

Why I Like redux-observable

Jan 14, 2022

Appium tips for react-native apps

I’ve been collected some tips, which about i want to share you. I believe, that can helps, when you are about start with appium or…

Jan 12, 2022

Appium tips for react-native apps

Jan 12, 2022

iOS simple painting App — demonstration in Swift, SwiftUI and RxSwift

Paintings apps are very common stuff in AppStore. I would like introduce one of the most easiest implemantation of this kind application…

Jan 8, 2022

Simple painting App preview

Jan 8, 2022

How we are using Sentry for mobile apps

Today i want to show you how we are using sentry as bug-tracker for ours mobile apps written in react-native.

Jan 1, 2022

How we are using Sentry for mobile apps

Jan 1, 2022

How and why we migrate from Detox e2e to Appium

Two years ago we started using detox tests for our app. Since then we have covered every screen in application at least by smoke test. We…

Dec 5, 2021

How and why we migrate from Detox e2e to Appium

Dec 5, 2021

Sentry source maps with hermes in react-native

After turn on Hermes engine in our app we are fighting with ugly source maps in sentry events. Every issue looks same… :/

Jun 9, 2021

Sentry source maps with hermes in react-native

Jun 9, 2021

Petr Lzicar

Petr Lzicar

I'm react-native and iOS developer

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