Volcanoscar

public void transformPage(View view, float position) {
    int pageWidth = view.getWidth();
        
    if (position < -1) { // [-Infinity,-1)
        // This page is way off-screen to the left.
        view.setAlpha(0);

    } else if (position <= 1) { // [-1,1]
          
		  

Volcanoscar

public class ParallaxPageTransformer implements ViewPager.PageTransformer {
	
		public void transformPage(View view, float position) {
		
			int pageWidth = view.getWidth();
			

			 if (position < -1) { // [-Infinity,-1)
		            // This page is way off-screen to the left.
		            view.setAlpha(1);

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/*
 * Copyright (C) 2014 Chris Banes
 *
 * 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

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package com.cafesalam.experiments.app.ui;

import org.lucasr.probe.Interceptor;

import android.content.Context;
import android.graphics.Color;
import android.graphics.Point;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewParent;

Volcanoscar

public class CommentsActivity extends ActionBarActivity {
    public static final String ARG_DRAWING_START_LOCATION = "arg_drawing_start_location";

    @InjectView(R.id.toolbar)
    Toolbar toolbar;
    @InjectView(R.id.contentRoot)
    LinearLayout contentRoot;
    @InjectView(R.id.rvComments)
    RecyclerView rvComments;
    @InjectView(R.id.llAddComment)

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AudioManager audioManager = (AudioManager)getSystemService(Context.AUDIO_SERVICE);
try {
    // setWiredDeviceConnectionState(int device, int state, String name);
    Method method = AudioManager.class.getMethod("setWiredDeviceConnectionState", int.class, int.class, String.class);
    method.invoke(audioManager, 4, 0, "headset");
} catch (Exception e) {
    e.printStackTrace();
}

Volcanoscar

/*
这道题的方法就是用在N-Queens中介绍的常见套路。简单地说思路就是循环处理子问题，对于每个格子，带入不同的9个数，然后判合法，如果成立就递归继续，结束后把数字设回空。大家可以看出代码结构和N-Queens是完全一样的。判合法可以用Valid Sudoku做为subroutine，但是其实在这里因为每次进入时已经保证之前的board不会冲突，所以不需要判断整个盘，只需要看当前加入的数字和之前是否冲突就可以，这样可以大大提高运行效率，毕竟判合法在程序中被多次调用。
*/
public class Solution {
    public void solveSudoku(char[][] board) {
        if(board == null || board.length != 9 || board[0].length != 9)
        return;
        helper(board, 0, 0);
    }
    public boolean helper(char[][] board, int i, int j){

Volcanoscar

OS X Preferences

---

most of these require logout/restart to take effect

# Enable character repeat on keydown
defaults write -g ApplePressAndHoldEnabled -bool false

# Set a shorter Delay until key repeat

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private LayoutAnimationController getAnimationController() int duration = 100;
    AnimationSet set = new AnimationSet(true);

    Animation animation = new AlphaAnimation(0.0f, 1.0f);
    animation.setDuration(duration);
    set.addAnimation(animation);

    animation = new TranslateAnimation(Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF, 0.0f,
        Animation.RELATIVE_TO_SELF, -0.5f, Animation.RELATIVE_TO_SELF, 0.0f);
    animation.setDuration(duration);

Volcanoscar

package main;

public class Main {
	
	private static double getDistanceKm(double lat1, double lon1, double lat2, double lon2){
		double latRad1 = lat1 * Math.PI / 180;
		double lonRad1 = lon1 * Math.PI / 180;
		
		double latRad2 = lat2 * Math.PI / 180;
		double lonRad2 = lon2 * Math.PI / 180;