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The move expands Oracle Big Data Appliance's offerings of hardware and software offerings geared towards high performance and scalable data processing for Big Data by two solid products. Cloudera Distribution Including Apache Hadoop is the industry's most widely deployed distribution of Hadoop in both commercial and non-commercial settings. Described as being 100 percent open source, CDH is also regarded as the most tested, reliable, and stable product of its kind. Big Data Appliance's portfolio already included Oracle NoSQL Database Community Edition, an open source distribution of R, Orac...

Escape Sequences UTF8 gives us 65536 characters, and ASCII gives us 256 characters, but on the average keyboard, there's only a hundred or so keys. Even using the shift keys, there will still be some characters that you aren't going to be able to type. There'll also be some things that you don't want to stick in the middle of your program, because they would make it messy or confusing. However, you'll want to refer to some of these characters in strings that you output. Perl provides us with mechanisms called escape sequences as an alternative way of getting to them. We've already seen the us...

comScore surveyed over 30,000 mobile subscribers aged 13 and up in the United States to collect the results of its online study. It tracked the smartphone market, as well as the entire U.S. mobile market that includes smartphones and non-smartphones, which are often referred to as feature phones. The study compared the three-month average of total smartphone subscribers ending August 2011 versus the three-month average ending November 2011 for the following platforms: Apple, Google, Microsoft, Research in Motion (RIM), and Symbian. Of the five platforms, only Google and Apple saw an increase...

Program Structure One of the things we want to develop throughout this book is a sense of good programming practice. Obviously this will not only benefit you while using Perl, but in almost every other programming language too. The most fundamental notion is how to structure and lay out the code in your source files. By keeping this tidy and easy to understand, you'll make your own life as a programmer easier. Documenting Your Programs As we mentioned earlier, a line starting with a hash, or pound sign ( # ), is treated as a comment, and ignored. This allows you to provide comments about ...

Ted Ferrell, chief architect and senior VP of Oracle's Tools amp; Middleware division, spoke of the new IDE's appeal to Java developers in the official press release. He said: The latest NetBeans IDE release provides the Java developer community with many new features to help them create leading-edge Web, mobile and enterprise applications. As the first IDE to support JavaFX 2.0, NetBeans IDE 7.1 not only gives developers rich support for developing JavaFX 2.0 applications, but also ensures they have access to all of the advances delivered in the latest Java platform releases. NetBeans ID...

In this article, I will show how the standard Hello World! application can be developed in the iOS framework. In this tutorial, I will be using Xcode 4.1 to develop this simple example. Therefore, the screenshots and code that will be supplied with it will apply specifically to that version of Xcode. First, start a new project by selecting File gt; New gt; New Project. There are several options for project types. For this tutorial, select the Window-based Application project type under the Applications section. For this tutorial, input HelloWorldAppTutorial for the Product N...

Every programming language has a number of things in common. The fundamental concepts of programming are going to be the same, no matter what language in which you do them. In this chapter, we'll investigate the things you need to know before you start writing any programs at all. For instance: What is programming anyway? What does it mean to program? How do we structure programs, and make them easy to understand? How do computers see numbers and letters? How do we find and eliminate errors in our programs? Of course, we'll be looking at these from a Perl perspective, and we'll...

PHP's Program Execution Functions This section introduces several functions (in addition to the backticks execution operator) used to execute system-level programs via a PHP script. Although at first glance they all appear to be operationally identical, each offers its own syntactical nuances. exec() string exec (string command [, array output [, int return_var]]) The exec() function is best-suited for executing an operating system-level application (designated by command) intended to continue executing in the server background. Although the last line of output will be returned, chances ar...

Being by far the most popular open source RDBMS available to date, MySQL offers a wealth of engaging facilities that make it stand out from its closest competitors. A stable, reliable performance, solid support for ACID transactions and multiple storage engines, foreign keys handling and cascade operations are only a small part of the tremendous menu of features that the database server offers for free. These have, not surprisingly, contributed to extending its existing popularity even further over time. Among other features, MySQL includes a powerful privilege administration module. It lets y...

Let's be honest: how many times have you found yourself writing a custom static helper class, or putting your hands eagerly on one that came bundled with a framework, from the many available out there? If you're anything like me, the answer will be at least … a few (remember that the first step to healing is admitting you have a problem). Static helpers seem to be a great idea at first glance, as they're reusable components that don't require any kind of expensive instantiation for doing common tasks, such as determining base URLs and paths or validating incoming data. But the sad and unavoid...