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In this issue of Java Development 2.0, Andrew Glover describes how to develop and deploy for Amazon elastic Compute Cloud (EC2). Learn about the differences between EC2 and Google App Engine, and how to quickly build and run a simple EC2 with the Eclipse plug-in and the concise Groovy language ...

Company Smartphone Security (a) - From APK to Golden Ticket: Initial Probing, Getting Domain Admin Access from an Android Smartphone, and More ... This article describes the potential dangers of using a personal smartphone in an enterprise network, These cases are typical after the actual case has occurred. It turns out that it is not difficult to trick an employee into installing a malicious application, bypassing network protection, accessing corporate networks, elevating and obtaining confidential information. In addition, it turns out that bypassing all protection mechanisms (including anti-virus software) without being discovered ...

PaaS (Platform-as-a-service) is a kind of cloud service, the service provider not only provides on-demand hardware and operating system services, but also provides the application platform and solution stack. For developers, PAAs greatly reduces the cost and pain of it deployments, providing resources for applications to scale more easily as needed. JVMs, application servers, and deployment packages (for example, war and ear) provide natural isolation for Java applications, allowing different developers to deploy applications in the same infrastructure, so JAV ...

Now almost any application, such as a website, a web app and a mobile app, needs a picture display function, which is very important for the picture function from the bottom up. Must have a forward-looking planning picture server, picture upload and download speed is of crucial importance, of course, this is not to say that it is to engage in a very NB architecture, at least with some scalability and stability. Although all kinds of architecture design, I am here to talk about some of my personal ideas. For the picture server IO is undoubtedly the most serious resource consumption, for web applications need to picture service ...

It is not easy for mobile application developers to find business models. Advertising, paid downloads, and app purchases--these are all ways to bring money to mobile developers. But the way is by no means just these three kinds. Foreign science and Technology web site VentureBeat summed up 7 kinds of mobile applications innovative way of money. 1, closer to the game line is Japan's most popular mobile communications software, in Japan has 80 million users, and completely free. In order to make a living, line began to reach the game field, launched a guess called line Pop ...

Open source Hotspot Inventory 1984, Richard Stallman launched GNU and Free Softwarefoundation, which has been open source for more than 28 years. From the bottom of the operating system to advanced desktop applications, there are open source footprint. Linux, which is especially open source operating system, is a controversial issue and is subject to many commercial attacks. 　　Many people like to put open source and business together, to accuse Open source is how "irregular", "energy consumption", "instability" and so on, especially Microsoft. Talk about ...

There seems to be a plot in a thriller that says, "It's easy ... It's so easy. "And then all things began to fall apart. When I started testing the top-tier Java cloud Computing in the market, I found that the episode was repeating itself. Enterprise developers need to be more concerned about these possibilities than others. Ordinary computer users get excited when there are new scenarios in cloud computing that make life easier. They will use cloud-based emails and if the emails are lost they can only shrug their shoulders because the electrons ...

With the changing cloud world, you want to enter the cloud world in the face of a lot of choices where to go? Here are some examples of the use and testing of well-known cloud services. Before that, of course, we have to know that "cloud" is a service built on hosting your application. auto-scalling-when demand increases, you can automatically get more resources (typically more virtual machines) to respond to requests. This is rarely used in general applications, but it can guarantee that your service will no longer be paralyzed by excessive load, and that it will be icing on the cake only for the purchase you use ...