Privacy Policy
Melbourne Train is owned and operated by Hung Nguyen. Purpose The purpose of this privacy policy (this “Privacy Policy”) is to inform users of our […]
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Android – All about Java
Date Time – How to add hours to date time string? Date Time – How to get time difference? SQLite – SELECT query SQLite – […]
iOS – How to develop app with background modes (1)?
What does Apple documentation talk about background modes? Apple DocumentationIn background mode, app should do as little as possible, and preferably nothing Which use cases […]
iOS – How to use CocoaPods in an iOS project?
Install CocoaPods to Mac how-to-install-xcode-homebrew-git-rvm-ruby-on-mac https://gorails.com/setup/macos/13-ventura Create pod file Add library Add Bluecap into Pod file Install *.xcworkspace file is created From now on, open xcworkspace […]
JavaScript – How to write code cleaner with Async/ Await?
How to use Async/ Await with async function having callback? Not using Async/ Await Using Async/ Await How to use Promise in “reduce”? You have […]
JavaScript – Is Map better than Object?
What are differences between Map and Object? Key in Object must be “String” or “Symbol” whereas Key in Set can be anything To iterate over […]
React Native – How to authenticate with Google account using AWS Cognito? (3)
How to implement Google Signin with existing User Pool and Identity Pool into React Native app? Google Side Create 3 Google OAuth Client Ids One […]
React Native – How to authenticate with Google account using AWS Cognito? (2)
How to let React Native app and Web authentication share information about login user? Configure Google OAuth Client to support iOS app https://github.com/react-native-community/google-signin/blob/master/docs/ios-guide.md#2-google-project-configuration Configure Cognito […]