2020-04

Android

Android ViewModel RecyclerView

I changed the code from Android-Data-Binding-Starter-Example Separate class, Use ViewModel class Use latest library...
Data

HDFS Command

HDFS command path (HadoopRoot) |- bin |- sbin There are 2 commands bin/hdfs dfsbin/hadoop fs Basically sam...
Hadoop

Hadoop3 – Pseudo-Distributed Mode

Environment Mac OS X (10.15.3)Hadoop 3.1.3 (Explain other entry for Hadoop 2)Java 1.8 Details and ref is Hadoop...
Hadoop

Mac OSX ssh localhost passwordless

ssh localhost passwordless This is for setup of Hadoop Pseudo-Distributed mode script run Use dsa (not working ...
Android

Android View Binding

View Binding View Binding is the way to manipulate UI easily findViewById is one of annoying and fat codes in Act...
Android

Android Retrofit Unit Test with MockServer

Retrofit Unit Test Retrofit is HTTP Client. One of annoying test is Network API test. To test this, we need to pr...
Android

Android kotlin Retrofit

Retrofit Retrofit is simple HTTP Client Android and Java by square. Simple use and follow callback style, compare...
Android

RxAndroid RxBinding 2, 3

RXAndroid RxAndroid is Android specific bindings for RxJava RxBinding RxBinding is binding APIs for Android U...
Android

LeakCanary Android Memory leak detection

LeakCanary LeakCanary is Android library to detect memory leak. In the past, Android developers just check DDMS a...
Android

Android WebView size and contents size

Size This is one of difficult problem to decide WebView component size and contents size. We have several things ...
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