Objective C Data Structures

With the explosion of information, micro-blogging website Twitter was born. It is no exaggeration to describe Twitter's growth with the word "born". Twitter has grown from 0 to 66,000 since May 2006, when the number of Twitter users rose to 1.5 in December 2007. Another year, December 2008, Twitter's number of users reached 5 million. [1] The success of Twitter is a prerequisite for the ability to provide services to tens of millions of users at the same time and to deliver services faster. [2,3,4 ...

Blockchain is a new technology that is gradually emerging with the increasing popularity of digital cryptocurrencies such as Bitcoin.

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall a technical article 1 link links is the connection between Internet pages, no link between all pages and the site will be isolated. What is a chain connection? In SEO this area the anchor link can be understood as text links. Search engines evaluate the importance and authority of a site by linking dependency calculations. Early in the years ago, Baidu and Google's founders were given a detailed description of the importance of linking. The fundamental principle of its hyper-chain analysis is: In all the results of a search ...

The purpose of the electrical business is only to increase sales. Is the electronic business just a channel strategy? The Cat is e-commerce? Nowadays, enterprises should avoid the following seven misunderstandings when they think about electric business strategy. Generally speaking, China's offline traditional enterprises in the footsteps of electronic business, behind the United States about six or seven years. A 2006-year report by Forrester Studies says Best Buy (retailer) has 40%~50% in-store purchases that are affected by online inquiries, while Sears 40% 's online sales are in-store pickup; REI online sales, the store to take the goods accounted for ...

Remember when many friends chose to disable JavaScript on their browsers for security reasons. To this day, this has become ridiculous--for the simple reason that JavaScript has ruled the entire web world. In this new computing era, full of platform diversity, we need applications that can run in any device browser. Native apps may run faster and invoke a specific platform feature that more JavaScript cannot touch, but there's no denying that the cloud is coming and we're in it ...