Showing posts with label hacking. Show all posts
Showing posts with label hacking. Show all posts

Visualizing Data: Exploring and Explaining Data with the Processing Environment Review

Visualizing Data: Exploring and Explaining Data with the Processing Environment
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This book allowed me to quickly create some simple applications using the processing API. So, in that respect, the book was successful. However, the book falls short in three respects.
1) One would expect a book with the title "Visualizing Data" to be crammed with pictures showing many different data visualizations. However, this book has relatively few. Every colleague of mine who passed by my desk and picked up the book had the exact same reaction.
2) The processing language is touted as a means for people unfamiliar with programming to get up to speed with visualization. However, I would be very surprised if anyone with little programming experience would get much out of this book.
3) Don't expect to use this book as a reference for the processing language. It is basically just a collection of half explained examples. Consider for example the function smooth(). This function appears in almost every example but forget about trying to find an explanation of what the function does in the book.
The book is probably worth buying to get up to speed quickly but plan on spending a significant amount of time sifting through the processing.org website and other online resources before being able to get anything non-trivial done. And if you don't already know Java then don't expect to accomplish anything even modestly complex without a lot of outside help.


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Enormous quantities of data go unused or underused today, simply because people can't visualize the quantities and relationships in it. Using a downloadable programming environment developed by the author, Visualizing Data demonstrates methods for representing data accurately on the Web and elsewhere, complete with user interaction, animation, and more. How do the 3.1 billion A, C, G and T letters of the human genome compare to those of a chimp or a mouse? What do the paths that millions of visitors take through a web site look like? With Visualizing Data, you learn how to answer complex questions like these with thoroughly interactive displays. We're not talking about cookie-cutter charts and graphs. This book teaches you how to design entire interfaces around large, complex data sets with the help of a powerful new design and prototyping tool called "Processing". Used by many researchers and companies to convey specific data in a clear and understandable manner, the Processing beta is available free. With this tool and Visualizing Data as a guide, you'll learn basic visualization principles, how to choose the right kind of display for your purposes, and how to provide interactive features that will bring users to your site over and over. This book teaches you:

The seven stages of visualizing data -- acquire, parse, filter, mine, represent, refine, and interact
How all data problems begin with a question and end with a narrative construct that provides a clear answer without extraneous details
Several example projects with the code to make them work
Positive and negative points of each representation discussed. The focus is on customization so that each one best suits what you want to convey about your data set
The book does not provide ready-made "visualizations" that can be plugged into any data set. Instead, with chapters divided by types of data rather than types of display, you'll learn how each visualization conveys the unique properties of the data it represents -- why the data was collected, what's interesting about it, and what stories it can tell. Visualizing Data teaches you how to answer questions, not simply display information.

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Reversing: Secrets of Reverse Engineering Review

Reversing: Secrets of Reverse Engineering
Average Reviews:

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This book is a very good introduction and instructional manual on a subject that is both relevant and shadowy. Uttering the
phrase, "reverse engineering", these days conjures up visions of crackers and other criminals breaking into websites and stealing private information. But for anyone serious about improving their programming skills, "Reversing - Secrets of Reverse Engineering" is a must read. For example, debugging and reversing activities are very close kin; you will improve your skill in tracking down and understanding bugs in your code by learning some of the techniques presented in this book.
The highlight of the book (for me) was Chapter 11 where the author presents step-by-step sessions in reversing progressively more difficult protection schemes. If you feel uncomfortable with this activity, rest assured that the author has neatly sidestepped some murky legal issues by using Internet examples created for this purpose and his own program, designed to illustrate some of the protection techniques presented in other chapters of his book. Another chapter, "Deciphering File Formats", uses this same trick by reversing an encryption program Mr. Eilam wrote for this purpose. The appendices are another valuable contribution where the discussion turns to common code patterns produced by most compilers and how to interpret and extract the last bit of information from them.
Minor nits - I wish the assembly listings were broken up to better highlight points made by the author in his discussions. It became very tedious to match addresses mentioned in his discourse with those in the listings and reduced the overall effectiveness of the material. Also, I was not able to find in the book what seemed to be bibliographical references to other works that were cited in discussions on decompilation and other
topics. But putting these small criticisms aside I highly recommend this book and wish something as comprehensive as this had been available years ago.

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Beginning with a basic primer on reverse engineering-including computer internals, operating systems, and assembly language-and then discussing the variousapplications of reverse engineering, this book provides readers with practical, in-depth techniques for software reverse engineering. The book is broken into two parts, the first deals with security-related reverse engineering and the second explores the more practical aspects of reverse engineering. In addition, the author explains how to reverse engineer a third-party software library to improve interfacing and how to reverse engineer a competitor's software to build a better product.* The first popular book to show how software reverse engineering can help defend against security threats, speed up development, and unlock the secrets of competitive products* Helps developers plug security holes by demonstrating how hackers exploit reverse engineering techniques to crack copy-protection schemes and identify software targets for viruses and other malware* Offers a primer on advanced reverse-engineering, delving into "disassembly"-code-level reverse engineering-and explaining how to decipher assembly language

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