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0 I have migrated my Android support libraries dependencies to AndroidX as per the documentation in the following official web page: https://developer.android.com/jetpack/androidx/migrate After the migration I am getting the following error: java.lang.NoClassDefFoundError: Failed resolution of: Landroid/support/v4/util/ArrayMap; ... ... Caused by: java.lang.ClassNotFoundException: Didn't find class "android.support.v4.util.ArrayMap" My gradle file is: apply plugin: 'com.android.application' apply plugin: 'kotlin-android' apply plugin: 'kotlin-android-extensions' android { compileSdkVersion 28 defaultConfig { applicationId "app.app.app.app" minSdkVersion 26 targetSdkVersion 28 versionCode 1 v...

2 I am looking to better build my SQL Development skill set. Where I work currently most all the data fits into a hierarchy and we almost always start with the top most element to work our way "down". This results in really only needing to use INNER and LEFT OUTER joins for the various queries. I am hoping to get some guidance on a situation where I might need to use a RIGHT OUTER and a LEFT OUTER JOIN in the same query. Referencing a previous question on StackOverflow What is the difference between Left, Right, Outer and Inner Joins? I understand what a RIGHT OUTER and a LEFT OUTER JOIN is, however all problems I have been asked to solve, could be solved using only INNER and LEFT OUTER joins. EDIT: I did find that this is basically a duplicate of a previous StackOverflow question When...