facebook

Facebook chat, offered a nice set of software engineering challenges:Real-time presence notification: The most resource-intensive operation completed MED in a chat system is not sending messages. it is rather keeping each online user aware of the online-idle-Offline states of their friends, so that conversations can begin. The naive Implementation of sending a notification to all friends whenever a user comes online or goes offline has a worst case co

As we all know, FaceBook is used by many people outside China, and is rarely used in China. If we are a programmer, we should continue to learn and learn, so that we can enrich ourselves. Who said no! Well, let's join in FaceBook's learning journey! When you start to study, you should get a network that can overturn the wall. The domestic network cannot access the facebook website. You can get a "Overturn

Facebook will help the php team rewrite the PHPRuntime source code and open-source the new runtime environment. The reason is that the existing PHP framework cannot meet Facebook's website speed requirements. The new runtime environment may bring new vitality to the PHP development community. See the original article. A week ago, I told you that the PHP core team had been to Facebook's headquarters and was forced to sign a confidentiality agreement. t

January 9, Facebook said in Thursday that it had acquired Quickfire Networks in San Diego, California. First, to solve the problem of video transmissionQuickfire is a start-up company that develops video content publishing devices and transcoding processing software.its founding aim is to solve the network infrastructure in front of the inability to support large-scale video program consumption,in particular, the online video in the speed of less than

1. BackgroundAt the beginning of the year, the company's project had a new need to add Facebook and Twitter to the English version of the app.2. Completion of the situationDue to the urgency of this project, it took a week to develop this feature from pre-research to access. Later, after the first official English version, the time is not so urgent, the original use of the third-party library of Twitter sharing, rewritten, replaced by the official Twi

1. First register an account on the Facebook developer Portalhttps://developers.facebook.com/Developer Backstage Https://developers.facebook.com/apps2. Create an account and get the APP IDFigure AFigure II MightFigure FourFigure Five3, get the app signed key hashes value (two ways)3.1 Method 1: 1 package com.pegasus.map.presentation.utils; 2 Import Android.content.Context; 3 Import Android.content.pm.PackageInfo; 4 Import Android.content.pm.PackageM

Recessive nutrition crisis programming efficiency is the most important feature of PHP language, but as a scripting language, there is a problem of inefficient CPU and memory usage until the advent of hiphop for PHP. Facebook's cryptic PHP project, hiphop for PHP, is finally unveiled. This project consists of a PHP-to-C + + converter, a re-implemented PHP runtime, and a number of rewritten versions of many commonly used PHP extensions designed to speed up and optimize PHP.With Facebook's officia

Sina Science and technology news Beijing time January 3, according to foreign media reports, Facebook recently to the United States social networking service provider Power.com sued, accusing the latter of infringing its copyright and trademarks. Soon after the power.com was online, it provided internet users with different content integration services on major social networking sites such as Facebook, Ork

from://http://greenrobot.me/devnews/facebook-engineer-improve-android-app/How Facebook engineers are improving their Android client'sThis article comes from the Facebook engineer blog.As the world's largest social network, Facebook's Android client faces a wide variety of environments, such as geography, Android devices, and mobile networks. For this reason, Andr

How does Facebook back up MySQL? Facebook users create a large amount of data every day. To ensure reliable data storage, Facebook backs up data every day. by changing the original logical backup to custom Physical backup, the backup speed is significantly improved. Facebook users create a large amount of data every da

There's a move in the company today, and one of the activities is to ask visitors to click on Facebook's Sanuki and Sanuki giveaway to send the gold. Facebook has been wall by everyone, and Baidu has discovered that because of the wall, the reason for the lack of Facebook in the country. The Facebook API is simple enough to simply use an IFRAME to put the HTML c

Facebook's architecture analysis---reproduced in foreign languagesFrom various readings and conversations I had, my understanding of Facebook's current architecture are: Web front-end written in PHP. Facebook ' s HipHop Compiler [1] then converts it to C + + and compiles it using g++, thus providing a high performance TEMPLA Ting and Web logic execution layer. Because of the limitations of relying entirely on static compilation, Facebook's start

Title: Architecture and Data of 0.3 billion PV Facebook shopping plug-ins per monthSource: Spring careerTime: Wed, 07 Oct 2009 22:48:48 + 0000Author: xiechunyeAddress: http://www.xiechunye.cn/read.php/672.htm Content:In just three months, the top 10 Facebook applications were sold by friends. They processed 200 requests every second and generated 300 Page views every month. Technically, I chose the Ruby on

BKJIA: You may have seen this message in some places. Facebook has developed a new social inbox, integrates email, instant messaging, text messages, text information, and Facebook site information. Most importantly, they need to store 135 billion pieces of information each month. Where do they store this information? Facebook's Kannan Muthukkaruppan provides an amazing answer in "technology behind informati