facebook phone chat

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 no

The Facebook chat article has been around for a long time in infoiq, and piaoger has seen a ppt from Facebook's elder brother on Erlang-factory. # Keywords Realtime messaging, C ++, Erlang, long-polling, thrift # Challenges How does synchronous messaging work on the web?"Presence" is hard to scaleNeed a system to queue and deliver messagesMillions of connections, mostly idleNeed logging, at least between

Facebook this week upgraded the chat app Messenger's iOS and Android clients and launched a free voice call function, according to 9to5mac, a technology blogger. New features allow users to make toll-free calls via WiFi to Facebook friends who have Messenger installed. Users can, of course, be able to dial through the cellular network, only to consume the amount

Use Mochiweb to build a Facebook-like Web Chat System Based On Comet (original)Author: Yu Chao EMAIL: yuchao86@gmail.com Facebook's web chat system is implemented using Mochiweb Based On Comet technology. Currently, HTTP is required by clients to send information to servers, and the server cannot push information to clients. For example:1. When the email server r

Can social networks become carriers? Facebook has recently launched a series of new features that enable iPhone users to talk for free. Users of the iPhone's messenger application can transmit information to each other a long time ago. After a successful test in Canada, Facebook provided the same functionality to American users. Users can call through Wi-Fi or cellular data. The first message to be reporte

Now, foreign media have reported that RIM is planning to sell its own mobile phone business. Facebook and Amazon are both potential buyers. This plan may be released before BlackBerry 10 this summer) officially announced. Rim ceo Thorsten Heins said RIM does not want to be acquired. "The company is only exploring more development opportunities and making better use of the BlackBerry platform through coope

We know that mobile phone QQ anonymous chat function must install the latest version of mobile phone QQ can be OH. 1. We open QQ Group chat in mobile phone after we click on the upper right corner of the "Avatar" logo 2. Then we find the "management group" into the de

Preparation Tools 1. Download the top mobile phone data recovery software 2. Mobile access to the line root permissions Introduction of top mobile data recovery software It can effectively restore its contacts, contact information, phone records, SMS, QQ chat records, micro-mail chat records, photos, video, audio,

1. We login in the mobile phone QQ, and then in the QQ panel we click "Settings" after we find "accessibility" click it to enter. 2. Then we then click "Empty All Chats" as shown in the following figure. 3. Then we click "Empty all Chat record", confirm clear all chat record is OK, go to see now, if roaming, we need to delete the line on the server. Frie

1. We open QQ in the Apple phone and find the chat record to delete we "long press" in the pop-up menu click "Delete" as shown in the picture. 2. Then we click on the bottom of the "delete" then this message is deleted successfully OH. 3. The above method is only used to delete a single chat record, if you want to delete all the

Mobile phone QQ with the city hot chat is what? The same city two words very important meaning is our own city of a friend to chat, in fact, very good understanding. How to create QQ with the city hot chat We simply click "Near" option in the latest version of the QQ dynamic page and open it as shown below. O

After upgrading the micro-letter to the latest version of our login, click on the upper right three points to the column icon, select the Drop-down menu SET options And then open it into the "set"-"General" Then in the generic interface we find the "chat log Migration" details below. In the Open Chat Record Migration page, select the Upload button Then in the Open interface click "Select All" Of

One, the Android XMPP client BeemBeem is an XMPP (jabber) client software that runs on the Android mobile platform and is compatible with standard XMPP servers and services such as Ejabberd, OpenFire, Facebook, and Gmail. Supports SASL, proxies (SOCKS4, SOCKS5, HTTP), DNS SRV, and chatting with a specific resource.Project home: http://beem-project.com/Second, Android chat program jchat4androidAndroid Jchat

"Select All" to choose all users, and the chat record of all users will be uploaded to save, and finally click the "Save" button. If you just need to chat with a friend, you can choose to chat with him directly. 2 Back to top Sixth step: See the pop-up "Upload" window, you can set a password to ensure security. You can also

installed, we will connect the phone and the computer. At this point the software will automatically download the official website of the itunes software, if your computer has been installed should automatically skip this step, do not have to worry about it. 3. The above steps to complete the operation after we will be installed on the micro-mail chat record viewer open, under normal circums

　　 Mobile phone QQ Mass anonymous message needs to meet the following 2 conditions: 1, mobile phone QQ version must be QQ5.1 or a higher version (up to the current mobile phone QQ version, the latest is QQ5.2 official version); 2, mobile phone QQ group Anonymous chat f

Love chat free phone chat beans Get Introduction: 1 Choose to recharge chat beans, (this is spent, but not the establishment of righteousness, because the money to buy than directly with the phone call. 2 Download boutique software to get

iphone phone production has been a deep welcome from all walks of life, some people to support the face of the iphone,some people to buy the iphone for fashion,some people to buy the iphone forthe Joneses, But very few people are because there is really need to buy, this is the IPhone 's charm, but it is such a mobile phone will also have problems, he is omnipotent,QQ c