huangcd

public static IEnumerable<TResult> Map<in TSource, TResult>(IEnumerable<TSource> sources, Func<TSource, TResult> mapper)
{
    foreach (var source in sources)
    {
        yield return mapper(source);
    }
}

huangcd

# coding: utf-8

require 'rubygems'
require 'hpricot'
require 'fileutils'
require 'time'
require 'ya2yaml'
require 'nokogiri'
require 'cgi'
require 'chinese_pinyin'

huangcd

using System;
using System.Collections.Generic;
using System.Threading;

/// <summary>
/// http://zrx.zhaojie.me/20140721/
/// 问题在于firstBuffer.Flush的时候会有新的item加到secondBuffer里面，导致一次Flush的时候firstBuffer的元素有可能比secondBuffer的元素少。
/// 解决方法是先把buffer给缓存出去（先缓存secondBuffer再缓存firstBuffer），然后再Flush。
/// </summary>
namespace IBufferTest

huangcd

myRequest.setRetryPolicy(new DefaultRetryPolicy(
                MY_SOCKET_TIMEOUT_MS, 
                DefaultRetryPolicy.DEFAULT_MAX_RETRIES, 
                DefaultRetryPolicy.DEFAULT_BACKOFF_MULT)); 

huangcd

Intent i = new Intent(Intent.ACTION_SEND);
i.setType("message/rfc822");
i.putExtra(Intent.EXTRA_EMAIL  , new String[]{"recipient@example.com"});
i.putExtra(Intent.EXTRA_SUBJECT, "subject of email");
i.putExtra(Intent.EXTRA_TEXT   , "body of email");
try {
    startActivity(Intent.createChooser(i, "Send mail..."));
} catch (android.content.ActivityNotFoundException ex) {
    Toast.makeText(MyActivity.this, "There are no email clients installed.", Toast.LENGTH_SHORT).show();
}

huangcd

newsList.setOnScrollListener(new AbsListView.OnScrollListener() {

            @Override
            public void onScrollStateChanged(AbsListView view, int scrollState) {
            }

            @Override
            public void onScroll(
                    AbsListView view, int firstVisibleItem,
                    int visibleItemCount, int totalItemCount) {

huangcd

    public static int getStatusBarHeight(Context context) {
        int result = 0;
        int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen", "android");
        if (resourceId > 0) {
            result = context.getResources().getDimensionPixelSize(resourceId);
        }
        return result;
    }