Java Challenges

This article covers some JVM principles and Java bytecode Directives, recommend interested readers to read a classic book on the JVM, Deep Java Virtual Machine (2nd edition), and compare it with the IL assembly directives I described in ". NET 4.0 object-oriented Programming". Believe that readers will have some inspiration. 　　It is one of the most effective learning methods to compare the similarities and differences of two similar things carefully. In the future, I will also release other articles on personal blog, hoping to help readers of the book broaden their horizons, inspire thinking, we discuss technology together ...

Since 2011, the advent of cloud computing, the entire IT industry has emerged "cloud mobile phone, cloud input, cloud economy, cloud management, Cloud logistics, private cloud, public cloud, mixed cloud" and other red-hot cloud concepts, and even is expected to follow the mainframe computer, personal computers, the Internet, Bring the fourth revolution to IT industry. In this case, many well-known mainstream IT companies are engaged in cloud computing, and these high-end business and new business development is very fast, http://www.aliyun.com/zixun/aggregatio ...

Debu Panda, head of product management at BMC Software, a Houston-based provider of business-service management products, is able to cite numerous benefits when it comes to PaaS, arguing that PaaS makes applications Revolutionary changes have taken place in the development and deployment methods. Debu Panda said: "PaaS benefits most of the benefits of cloud computing such as no-start costs, complete application integration, and flexible facility pricing." Debu Panda In order for developers to ...

Big data has almost become the latest trend in all business areas, but what is the big data? It's a gimmick, a bubble, or it's as important as rumors. In fact, large data is a very simple term--as it says, a very large dataset. So what are the most? The real answer is "as big as you think"! So why do you have such a large dataset? Because today's data is ubiquitous and has huge rewards: RFID sensors that collect communications data, sensors to collect weather information, and g ...

Grid computing can organize a large number of decentralized computers into a "virtual http://www.aliyun.com/zixun/aggregation/13840.html" > supercomputer, which should be one of the major technical tools for large data and high performance computing challenges. This article mainly introduces the method of writing grid applications on the IBM Platform Symphony platform in the Java language. Background The grid computing is distributed computing (Distribut ...).

All kinds of innovative solutions, driven by mobile, cloud computing, social technology and large data applications, are in the ascendant, but another round of security risks cannot be overlooked. The emergence of these technologies satisfies our need for it innovation on the one hand, but it also becomes a hotbed for the development of new cyber threats. The potential threats posed by mobile security embattled mobile computing are mainly derived from the objective reality of "low security or Low security" of mobile communication itself. According to the agency, the software used in such systems is not sufficiently "mature" and because of its "portability" ...

Companies are expanding these virtualized servers to form private clouds, public clouds (like Amazon's Ec2/aws or Gogrid) or hybrid cloud services (a combination of private and public clouds). Applications, desktops, and server virtualization have evolved over the past few years as a result of their ease and cost savings. The configuration and ongoing management of these services poses some challenges.  These challenges are also identified as some solutions are available on the market, providing information for managers who make decisions about cloud services to develop informed choice requirements. ...

Is it true that patching upgrades to systems and applications in cloud computing is like doing the same thing in a typical production environment? Maybe that's not the answer. While the concept, importance, and usefulness of patch upgrades have not changed from the overall security and risk management plan, the details of patch upgrade management based on cloud computing are still very different from traditional internal patch management. In this article, we will explore some of the challenges posed by patch upgrade management in the cloud computing environment and how to more effectively ensure that systems and applications can upgrade to the latest version of ideas. ...

The Liu Fangyuan App Store is in the middle of a countdown, and Apple's mobile app shop is about to hit a 10 billion of apps downloads – as of January 21, 2011, Global Apple users have downloaded 9.96 billion apps, a figure that is growing rapidly. Despite being the head of the North American smartphone market, BlackBerry is clearly "envious" of the figure, and BlackBerry's appeal to developers is much less than that of the iphone. While Rim, the BlackBerry maker, did not disclose its application ...

Do we really need so many new programming languages? There is no doubt that the choices currently being made by developers are quite rich. command-type languages, functional languages, object-oriented languages, dynamic languages, compiled language interpretive languages, and scripting languages and so on seem to have completely covered all the tasks we might face, and few professionals today have been able to understand all the languages. However, new languages are still springing up at an alarming rate. Some are designed by students or enthusiasts in the form of personal projects, others from large it vendors. Not even ...