staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

vizZ

RxJava

• RxJava: Reactive Extensions for the JVM
• Ben Christensen - "Functional Reactive Programming with RxJava"
• The introduction to Reactive Programming you've been missing

Functional (Reactive) Programming

• What is Functional Reactive Programming?

pyricau

import android.content.Context;
import android.os.Debug;
import java.io.File;

public class OomExceptionHandler implements Thread.UncaughtExceptionHandler {

  private static final String FILENAME = "out-of-memory.hprof";

  public static void install(Context context) {
    Thread.UncaughtExceptionHandler defaultHandler = Thread.getDefaultUncaughtExceptionHandler();

android10

public class AndroidApplication extends MultiDexApplication {
    public static final String TAG = AndroidApplication.class.getSimpleName();

    @Override
    public void onCreate() {
        super.onCreate();
        registerComponentCallbacks(new ComponentCallback());
    }

    private class ComponentCallback implements ComponentCallbacks2 {

android10

# -----------------------------------------------
# BEFORE USING THIS SCRIPT
# -----------------------------------------------
# 1 - Create a file in /etc/<yourpassfile>.pass which contains the vpn private key password.
# 2 - Set permission for the file: 'sudo chmod 600 /etc/<yourpassfile>.pass' - Owner can read and write.
# 3 - Create an alias in your .bashrc or bash_profile: alias vpn="sudo sh <path to your script>".
# 4 - Set the value of the variable OVPN_FILE_PATH with the path of the .ovpn file.
# 5 - Set the value of the variable OVPN_PRIVATE_KEY_FILE_PATH with the path of the created file in step #1: /etc/<yourpassfile>.pass
# 6 - OPTIONAL: avoid  password when executing the script, add this to /etc/sudoers '<your username> ALL=(ALL:ALL) NOPASSWD:<path to your script>'

android10

def getVersionName = { ->
    def hashStdOut = new ByteArrayOutputStream()
    exec {
        commandLine "git", "rev-parse", "--short", "HEAD"
        standardOutput = hashStdOut
    }
 
    def buildNumberStdOut = new ByteArrayOutputStream()
    exec {
        commandLine 'echo', "$BUILD_NUMBER"