lauw

/*
 * Copyright 2015 Laurens Muller.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

imran0101

/**
* Custom Scroll listener for RecyclerView.
* Based on implementation https://gist.github.com/ssinss/e06f12ef66c51252563e
*/
public abstract class EndlessRecyclerOnScrollListener extends RecyclerView.OnScrollListener {
    public static String TAG = "EndlessScrollListener";

    private int previousTotal = 0; // The total number of items in the dataset after the last load
    private boolean loading = true; // True if we are still waiting for the last set of data to load.
    private int visibleThreshold = 5; // The minimum amount of items to have below your current scroll position before loading more.

joshskeen

abstract class RadioAdapter<T> extends RecyclerView.Adapter<RadioAdapter.ViewHolder> {

    public int mSelectedItem = -1;
    private Context mContext;
    private List<T> mItems;

    public RadioAdapter(Context context, List<T> items) {
        mContext = context;
        mItems = items;
    }

JakeWharton

/**
 * Show the activity over the lockscreen and wake up the device. If you launched the app manually
 * both of these conditions are already true. If you deployed from the IDE, however, this will
 * save you from hundreds of power button presses and pattern swiping per day!
 */
public static void riseAndShine(Activity activity) {
  activity.getWindow().addFlags(FLAG_SHOW_WHEN_LOCKED);

  PowerManager power = (PowerManager) activity.getSystemService(POWER_SERVICE);
  PowerManager.WakeLock lock =

stkent

Android Studio Shortcuts (Mac)

Notes:

• Two of the most useful shortcuts utilize the Fn (function) keys. It is therefore recommended that you enable the "Use all F1, F2, etc. keys as standard function keys" option [System Preferences > Keyboard].
• Be sure to enable the Mac OS X 10.5+ keymap in Android Studio [Preferences > Keymap].
• A fairly complete shortcut list can be found here.

Useful symbols:

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.

---

tsiege

ANNOUNCEMENT

I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!






\

chbatey

public static <T> void mockIterable(Iterable<T> iterable, T... values) {
        Iterator<T> mockIterator = mock(Iterator.class);
        when(iterable.iterator()).thenReturn(mockIterator);

        if (values.length == 0) {
            when(mockIterator.hasNext()).thenReturn(false);
            return;
        } else if (values.length == 1) {
            when(mockIterator.hasNext()).thenReturn(true, false);
            when(mockIterator.next()).thenReturn(values[0]);

dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

jtan189

import java.security.SecureRandom;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.SecretKeyFactory;
import java.math.BigInteger;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;

/*
 * PBKDF2 salted password hashing.
 * Author: havoc AT defuse.ca