iOS
As you may noticed, customizing navigation bar using only SwiftUI standard NavigationView is not possible in the first release of SwiftUI (as of Xcode 11), as no API is provided to change the background color. More over you as you don't have access to NavigationBarController is really hard
iOS
When playing with SwiftUI NavigationView I have came across multiple issues. One of them was how to hide navigation bar on specific view. Solution Hide NavigationBar Using just .navigationBarHidden(true) just doesn't work. For some crippled reason you have to add also .navigationBarTitle(""). struct SomeView: View
Swift
Issue Playing with SwiftUI, I have faced this error few times and for the first time it took me some time to resolve it. So here is what I found as a solution to resolve this issue. PotentialCrashError: Update failed your-project.app may have crashed. Check ~/Library/Logs/DiagnosticReports for
Mac OS X
Introduction This article is follow-up to the PPTP VPN ON MAC OS X SIERRA, HIGH SIERRA AND MOJAVE PPTP VPN is no longer supported on macOS for some time but in last release the PPTP.ppp plugin, that was still part of the OSX and we were able to reuse
Algo-Trading
Now when we have backtested strategy, we want to connect it to the market and battle test it. But first we need client to do so. Coinbase have really nice library for it so it's quite easy to create "Account" that will sit on top of
Algo-Trading
I was having this strategy in my mind for a while, but because algorithmic trading with stocks, forex and other classic instruments is not really straight-forward and you need quite big funds to start I have never made it to the production. With crypto its different — you are able to
Algo-Trading
Preface Few months ago I have started playing with bitcoin. I'm not much a fun of crypto currencies, because I think the fundament behind it is pure devil. But I must admit, in long-term, it will became more and more important to have decentralised system. The reason I
Mac OS X
Issue After upgrading to macOS Catalina can start and run a virtual machine just fine, but the moment I minimize the window like I click on another one, the VM immediately crashes. Solution You have to disable on "System Preferences" -> "Privacy" > "Input
Mac OS X
Tutorial 1. Open “Automator.app” , which is installed on you mac by default. 2. Then you click File -> New or with keyboard shortcut ⌘N. 3. Choose Quick Action as a type for your document. 4. Now under Library -> Utilities double click or drag from left pane
React
ES2015 came with awesome dynamic imports, which opened a lot of possibilities for chunk splitting, hot reloading, ... and also for dynamic builds. We use it heavily for building multiple versions of same app for different vendors. We were struggling a little how to use it with CSS-Modules with we fall
React
Problem Migration from vanilla (or another) code base to ReactJS stack can be sometimes pain. Especially when part of the code base is still developed in vanilla and you have to use it in ReactJS. Let's imagine you have core written in vanilla and new components are developed
Python
I assume, you came across this article while struggling to connect to google cloud SQL with sqlalchemy. The google documentation is not the best one, because there is so many versions of google libraries. Some of them even deprecated and the examples often doesn't reflect these changes. Moreover