Linux Comparison Operators

Comparative advertising (comparative advertising) refers to the direct comparison of its own products with competitors ' products to prove that their products are more superior advertising marketing forms. In China, advertising law expressly stipulates that advertising "shall not involve specific products or services ... Not to belittle other production operators of goods or services. "So there is almost no contrast advertising in China. And the United States Federal Trade Commission and other subjective organizations that contrast advertising can not only encourage competition, but also to provide consumers with more information, so only the advertisers to follow the principle of fair competition, to the matter ...

E-Mail is one of the most popular applications on the Internet. Like a postman distributing traditional mail, e-mail is asynchronous, meaning that people send and read emails at their convenience, without having to collaborate with others beforehand. Unlike traditional messages, e-mail is fast, easy to distribute, and inexpensive. 　　In addition, modern e-mail messages can contain hyperlinks, HTML-formatted text, images, sounds, and even video data. HTTP://WWW.ALIYUN.COM/ZIXUN/AGGREGATION/12 ...

The cover of this issue-mobile development trend Map, we will invite a group of senior mobile technology experts from home and abroad or industry analysts, to developers, entrepreneurs as the perspective of the change in the IT department, Mobile Development Technology development, focus issues and entrepreneurial opportunities. First, we will provide an original industry summary by the magazine Reporter: 1. "The trend of the mobile application industry chain" tide, the achievements will be those who can adapt to the trend of the people. Especially for mobile developers, entrepreneurs, how to look at this industry? This newspaper reporter, with the whole mobile interconnection ...

The distributed computing technology proposed by Google makes it easy for developers to develop global application services, and cloud computing technology automates the management of communication, task allocation, and distributed storage among a large number of standardized (heterogeneous) computers. 　　The cloud comes from a decentralized, parallel operation, but better than the grid. Data computing cloud technology can be considered as a sub-set of grid technology, both of which are designed to hide the complexity of the system, so that users need to use it without knowing how the system works inside. The parties follow up with Google to promote cloud services, but the definition is different ...

Revenues of around $1 billion a year dominate the cloud computing market. All this has made Amazon a target for companies with plans to provide cloud services, whether in the US or elsewhere in the world, including some it giants: IBM, Microsoft, Google, Rackspace, and so on. And the domestic hope to emulate Amazon, in the cloud services market Siege of the company also a few, Aliyun, Sheng, million network, Century interconnection. But what kind of strength is needed to challenge Amazon? Industry has experts to give such a view, competing with Amazon AWS, you need three ...

In the past few years, the use of Apache Spark has increased at an alarming rate, usually as a successor to the MapReduce, which can support thousands of-node-scale cluster deployments. In the memory data processing, the Apache spark is more efficient than the mapreduce has been widely recognized, but when the amount of data is far beyond memory capacity, we also hear some organizations in the spark use of trouble. Therefore, with the spark community, we put a lot of energy to do spark stability, scalability, performance, etc...

With cloud computing in full swing today, the IT industry is generally beginning to think that the concept of speculation is not meaningful, instead of pragmatic to promote the landing of cloud computing. So in the process of driving cloud computing, it is inevitable how to deal with today's volatile market, with appropriate analytical tools to make judgments and decisions. This involves business intelligence analysis (BI), which is also at the heart of corporate insight. 　　This paper will analyze the evolution of the traditional business intelligence to the modern BI Business intelligence analysis from the main evolution of the server market in recent years. Traditional BI Analysis transformation accelerates traditional bi ...

In the face of the changing social economy, the tax industry needs to understand the relevant information of taxpayers in a real and comprehensive way, and to promote the internal aggregation and sharing of tax data, so the tax data is the core resource of the tax industry, so it can realize the transformation of the data to the service, and use the resources that It is the best way to improve the efficiency of tax industry to realize the tax informatization by providing the cloud computing to the audience in the form of service. For complex and difficult to co-ordinate tax data, cloud computing can not only achieve data collection and sharing in the tax industry, but also can help tax authorities to convert data into service ...

Software as a service (SaaS) is probably the most compelling and profitable of the three cloud computing business models, as it provides customers with the ability to replace the cost of most technical support types, and can be sold directly to consumers. But the success of SaaS is not smooth sailing. Without the use of DevOps tools and principles, the task of building and maintaining SaaS applications will quickly become an operational nightmare for cloud computing providers.   The biggest source of these problems is the automation of a lifecycle-wide process for services deployed in a cloud computing environment. Cloud computing ...