Craigslist database architecture
Author: fenng | English version URL: http://www.dbanotes.net/database/craigslist_database_arch.html
Craigslist is definitely a legend of the Internet. According to the previous report:
More than 10 million users use the website service each month, with more than 3 billion million page views each month. (Craigslist adds nearly 1 b
Craigslist is definitely a legend of the Internet. According to the previous report:
More than 10 million users use the website service each month, with more than 3 billion million page views each month. (Craigslist adds nearly 1 billion new posts each month ??) The number of websites is growing at nearly times a year. Craigslist has only 18 employees so far (t
Craigslist mythical Author: wheat field http://blog.donews.com/maitian99/archive/2006/02/20/733577.aspx // recently interested in viewing this site-related reports, reproduced to learn.
I have never understood a Website: "kijiqi"-whether it is "customer Collection", "customer Collection", or other "customer Collection" cloud, 6 combinations of three words, rap or stuttering domain name, I did not understand it until I wrote this article, and I was too
A few years ago, the spam information was still reported by Craigslist. Today, spam information senders have begun to govern the world's most famous classified information advertising platform. Craigslist tried every means to prevent spam information, including filtering duplicate posts and reviewing a large amount of information sent from the same IP address, users are required to register with a valid ema
For the classification of information sites should be more familiar with it? Like our domestic net is an example, and we have to say today is the most fire Craigslist, the site is the most cattle is not a picture, only a dense text, writing a variety of life-related information. Craigslist looks boring, but it is one of the most popular websites in the United States, what is the secret of its business? What
here are some of the mobile phone in the state or environment, into the device to change the state of the mobile phone (of course, in this small series on almost every cell phone, such as cameras and other sensors).The role and significance of sensorsToday's smartphones are more than just mobile-phone performance hardware, and the new generation of smartphones is also more interactive in the sense of exper
Is said to have acquired a finger zen magic of the real-time mobile phone news Network, is a daily 2000+ip increase in the number of users. There are smartphones that can be experienced on the spot, without even the HAReal-time mobile news Network http://m.yunxunmi.comOn iOS, Android and other models of mobile phones are tested!Noun interpretation--one finger Zen: swipe up and down through a single finger to toggle news channels, turn pages, go to con
According to foreign media reports,Nokia's U.S. subsidiary said it plans to stop selling feature phones and Symbian smartphones in the United States and Canada and push for Windows Phone sales.
"When we launched a Windows Phone, we basically quit services such as Symbian and S40 ."
In an interview with AllThingsD, Chris Weber, president of Nokia's U.S. subsidiary, said the company will also focus on sales through traditional wireless carriers. In th
Whether Android can change the embarrassing situation of Linux smartphones-Linux general technology-Linux technology and application information. The following is a detailed description. Have you ever used a Linux smartphone? For example, Motorola's E680 and A780. Are there very few software available for these so-called "smart" mobile phones, and only copies of Java software can be used for downgrading? The current situation is: you have purchased a
Industrial control applications for smartphones--simplewifi in the field of industrial controlFirst:Intelligent Control is now based on microcontrollers, and with the popularization of intelligent handheld terminals, control based on intelligent terminal will become more and more common. WiFi is one of them. WiFi for smart home control, has its unique advantages. Its advantages are as follows: Advantage one: WiFi terminal equipment is now basically po
Environment: attack host and target phone under the same LAN; the target phone has Bluetooth turned on, but the hidden Simple principle: learned that the target phone turned on Bluetooth, through the Bluegranger to the target phone to send backdoor procedures, with MSF infiltration mobile phone Detailed process:1.Load Bluetooth device and scan, no Bluetooth device found:Hciconfighciconfig Hci0 uphcitool ScanPhone-Side settings:2.Use the Fang tool to scan the hidden Bluetooth device, you can set
With the continuous development of mobile network and mobile phone technology, the mobile search business is booming. Mobile products related business is widely favored. Smartphones, in particular, are the fastest-growing, but they cannot ignore the problem that smartphones still account for a large market. In fact, as the technology industry so developed in the United States in June 2011, a survey found th
There are 3 main hardware implementations of mobile phones: (three kinds of hardware schemes)Use only baseband chips, often called feature phones.Baseband Chip plus coprocessor (CP, usually a multimedia accelerator). This kind of product to MTK program as a typical representative, MTK a full range of products are basically the solution, Spreadtrum and other companies are pushing similar products. This is the feature phone that enhances the multimedia function.Baseband chip + Application processo
the number of malware on mobile phones is still very small. To date, less than a few viruses, worms, and Trojans have been discovered that specialize in mobile operating systems . Most cause relatively minor damage, such as file loss, hardware reset, or additional charges. Unfortunately, the threshold for long-term restrictions on malicious attacks is fading. First, the number of mobile device users is growing fast. Second, the market for new, popular commercial consumer-grade devices, such as A
Kodak will launch Android smartphones in 2015. Kodak android
Kodak has announced that the company has authorized its brand to be used on multiple mobile devices, and Kodak will help these products print and share photos more conveniently. Kodak's first Android smartphone will be released at CES on April 9, next January, and the company will launch a 4G mobile phone and a tablet in the second half of 2015, and an Internet Camera.
These Kodak produc
users, has basically defected to the mobile phone.The previous round of "always connected" experiments was actually a failure. Participants have Apple's tablet, and Microsoft's surface, if you go back to the netbook, these approaches to smartphones, or the way notebook performance is simply adapted to the mobile approach, ultimately rejected by the user, its core is not the battery life, but in the use of such products of users, What you want is a be
On the morning of June 23, November 1, a good news was uploaded from the UDS conference in Florida, USA. Ubuntu leader MarkShuttleworth delivered an important keynote speech, which has been spread across the world. At 09:20 A.M. Beijing time, a news article entitled "UbuntuSmartphonesAndTabletsInTheNearFuture" was published at the UDS conference in Florida, USA. The two statements in the MarkShuttleworth speech were cited as follows:
On the morning of June 23, November 1, a good news was uploade
Use Raspberry Pi to send push notifications to smartphones
This project explains how to send push notifications from Raspberry Pi to iOS and Android devices. You only need to use a free push app. The main idea here is to use an electromagnetic sensor door to trigger information push events. When the electromagnetic door opens, Raspberry Pi sends a message. In this project, electromagnetic induction doors can be easily replaced with other types of alar
Summary of cross-platform open-source frameworks on various smartphones
Currently, the development language of SmartPhone
Apple iPhoneObjective-C
C/C ++
Google AndroidJAVA
You can use NDK for C/C ++ development.
Windows PhoneC #
VB.net
Windows Phone7 is a brand new platform that is incompatible with previous versions. It currently does not support C/C ++
SymbianC/C ++
This framework is still complex, and there are some special conventions on the use o
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