Pavol KöglerJest + Enzyme unit testing in ReactTalking to my peers and friends, nobody really likes to write unit tests for frontend. And I can see why. I saw a few tutorials on how to…Oct 20, 2021Oct 20, 2021
Pavol KöglerHow microchips are bornEven though I work as front-end developer, I studied microelectronics at university. With this background it feels to me almost primitive…Jan 28, 2021Jan 28, 2021
Pavol KöglerSerial communication in ElectronFew months ago I came across an interesting project. Group of skilled electrical engineers developed machine that could regenerate old…Jun 23, 2020Jun 23, 2020
Pavol KöglerinWebtipsKnow your array methods in JavaScript!When I started working with arrays in JavaScript I always used for cycles to do operations on arrays. I was used to it from university…Jun 16, 2020Jun 16, 2020
Pavol KöglerinBetter ProgrammingHow to Create Modals in ReactWith Redux and HooksJun 3, 20202Jun 3, 20202
Pavol KöglerinBetter ProgrammingHow to Take Snapshots in JestAn introduction to snapshot testsMar 25, 2020Mar 25, 2020
Pavol KöglerinEnvironmental IdeasEcology for everyone — FoodIt may seem that one person cannot change global warming and pollution in this dirty world. But if we do only small changes in our lives…Mar 3, 20201Mar 3, 20201
Pavol KöglerStreams in NodeJs — Our lifesaversNo, I will not talk about some fancy video streams. I will talk about much more boring stuff. If you are NodeJs developer, you probably…Feb 12, 2020Feb 12, 2020
Pavol KöglerinBetter ProgrammingHow To Prevent SQL Injection Without Prepared StatementsAvoid hackers adding a malicious SQL query into your parameterAug 19, 2019Aug 19, 2019
Pavol KöglerinWebtipsStoring Filters to URL in React and Redux AppRecently I got task to store some filter options into url in a React + Redux app. It felt pretty simple as I’ve done it many times in…Aug 8, 2019Aug 8, 2019
