Published in Geek Culture·3 hours agoSolidity 101: Let’s meet the data typesIntroduction As you may already know, Solidity is the programming language that empowers a huge part of the so-called Web3 revolution. Solidity is the programming language that enabled us to create Smart contracts that run over Ethereum or Ethereum-based blockchain networks. When coding in Solidity, it is crucial to remember that…Web 33 min read
Published in Geek Culture·Jun 193 macOS settings you should change immediatelymacOS offers a wide range of preferences for your computer. Most of them are predefined and have predefined values that Apple has chosen for you. However, many of these predefined selections may impact your Mac’s performance and drain your battery (in case you own a MacBook). Apart from that, many…Mac3 min read
Published in Better Programming·May 16Showing Toast Alerts in React With “react-toastify”Build responsive web apps — Introduction We often need to inform the user about an action that succeeded or failed in any web app. This function is often achieved by showing the user alerts or notifications at the top of the screen, and then these disappear seconds later. …Programming3 min read
Published in Geek Culture·Apr 29Creating a game for Atari 2600 in 2022I was born in 1997, just a year before Atari corporation was defunct and merged with JST storage (later acquired by Hasbro), a merger that would officially mark the end of an era. Despite the fact that I am a bit young to own or even to have ever played…Atari9 min read
Published in Better Programming·Apr 26Mocking API Calls for Snapshot Tests in ReactHow to effectively mock API responses to use in snapshot and unit tests in React — As software developers, many times, we need to mock data or API calls in order to write and run automated tests for our code. …Programming5 min read
Published in Better Programming·Jan 19Storing Data on Ethereum Blockchain With Node.jsUse Ethereum blockchain as a persistent storage in an organized and model-oriented way without writing custom smart contracts — We are at the beginning of 2022 and everybody is talking about the “next big thing” on the internet: Web 3. …Ethereum6 min read
Published in Better Programming·Jan 16Handling Multiple Checkboxes in ReactHow to effectively handle multiple checkboxes in any React project — Introduction Many times in any web app, we need to collect data from the user as a list of specific and predefined options. This problem, most of the times is solved by using multiple checkboxes. The user can select one or more of them in order to create the final list…React4 min read
Published in Geek Culture·Jun 8, 2021Predicting car accidents in my neighborhood: A data-driven approach.I was born and raised in a calm and mostly residential district of the northern suburbs of Athens called “Vrilissia”. However, this calmness is often interrupted by car crashes in the streets. And when I say often, I mean that as a kid, I remember periods of time that car…Data Science6 min read
May 5, 2021A brief history of beer: Episode 8, RauchbierThis one is one of my favorites. not just in terms of history but in terms of taste and smell too. Rauchbier is German lager brewed with smoked (Rauch, in German) malt. But how can malt be smoked ? In the old days, before the invention of smoking malts using…Food2 min read
Apr 20, 2021Why cash flow is the building block of wealthDISCLAIMER: I am not a financial, investment or legal advisor. All views expressed in this article are only that and nothing more, just my views, and their only purpose is to entertain you. Do not take financial advices from random guys on internet. Always talk to a certified advisor. When…Money3 min read
