Free Ebook Head First Ruby: A Brain-Friendly Guide
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Head First Ruby: A Brain-Friendly Guide
Free Ebook Head First Ruby: A Brain-Friendly Guide
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About the Author
Jay McGavren was doing automation for a hotel services company when a colleague introduced him to Programming Perl (a.k.a. the Camel Book). It made him an instant Perl convert, as he liked actually writing code instead of waiting for a 10-person development team to configure a build system. It also gave him the crazy idea to write a technical book someday.In 2007, with Perl sputtering, Jay was looking for a new interpreted language. With its strong object-orientation, excellent library support, and incredible flexibility, Ruby immediately won him over. He's since used Ruby for two game libraries, a generative art project, in support of a Java development job, and as a Ruby on Railsfreelancer. He's been using Rails in the online developer education space since 2011.
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Product details
Paperback: 572 pages
Publisher: O'Reilly Media; 1 edition (November 30, 2015)
Language: English
ISBN-10: 9781449372651
ISBN-13: 978-1449372651
ASIN: 1449372651
Product Dimensions:
7 x 2 x 9 inches
Shipping Weight: 2.3 pounds (View shipping rates and policies)
Average Customer Review:
4.6 out of 5 stars
31 customer reviews
Amazon Best Sellers Rank:
#176,410 in Books (See Top 100 in Books)
This book is fantastic! It is the perfect book for someone who wants to learn Ruby, and has never programmed before. I would say that minor Terminal command line usage can be helpful, but not strictly necessary. This book starts at the very beginning, and teaches the _why_ to code a certain way, and not just the _what_. The author will present one way to do something, and then will follow with why to do it another better way, so that you get the big picture of _why_ it's the better way. I also think that this book does a great job at explaining references to Objects and the Heap to newbies. Such a normally confusing subject is just presented so well (a difficulty that I would assume is kind of metaphorically analogous to pointers in C for newbies). I also love the last couple of chapters where you make a _real_ Sinatra web app. This rocks, it takes a complete newbie to an entry level coder doing a simple Sinatra app. The book also has a homepage (in-progress, but the book is only recently published). I am also critical of a couple of other books in this series, but this one is good. I do wish he could write a sequel to this book, but alas you can only publish so much in a series. I do wish it covered concurrency, which was missing, but it really does a good job with everything it does cover. So it's a great introduction to Ruby to prepare readers for books like The Well Grounded Rubyist,[...] and Eloquent Ruby kinds of books. The style is fun and cool. As of the date of this posting Wed 2016.05.18, this book is up-to-date, and all exercises work on a recent modern Ruby. Thanks!
This is a solid book for people who are still learning coding basics but are beyond the most basic of the basics. It is likely to be annoying to more experienced programmers, and some chapters, despite being very gentle, will definitely not be accessible to people who have never written code before.I'll give you both the good and the bad.First, the good. It's written clearly and engagingly, and the "Head First" series' graphical and stylistic elements do work to help pound in potentially confusing concepts. The examples are very simple and easy to type in. The book really holds you by the hand, repeating key points frequently. It introduces most of the key programming concepts (I wish it had a chapter on regular expressions and something about processes/threading), and it does so simply, clearly and fairly enjoyably. Thus the four stars.Now the bad. This is longer only because it requires more words to describe specific problems than it does to praise a book for what it does right.The book follows a narrative device over and over again, which is novel and interesting in the first chapters but by the end became annoying to me. The author gives himself a problem to solve, and proceeds to solve it in a wrong way, or only partially. Then he iterates his solution several times, each time introducing a new concept, until by the end of the chapter the problem is solved correctly and several key points are introduced. Now, this seems pedagogically OK, but in the end I decided I didn't really like this approach very much for a couple of reasons. First, I sometimes struggled to understand why someone would fail to see why a solution was boneheaded, i.e., an initial solution was really obviously boneheaded. Yet in one chapter—chapter 6, easily the most complicated in the book, about hash return values—the technique was strained to the breaking point, because it was actually harder to understand why the fictional beginning coder thought a certain piece of code would do a certain thing than is was to understand why the correct code works. Second, by the end of the book I just wanted the author to just give it to me correctly and concisely from the start. It really seemed like a lot of time was wasted explaining what was wrong with some code, when it would be more efficient just to give it to the reader right the first time. Mind you, sometimes this solve-the-problem narrative technique actually works rather well. But on balance, I'd have preferred a more standard approach.Another problem was that, in an effort to keep code snippets short and clear, sometimes they were rather boring and unrealistic, and I wondered if I was learning something that would have real-world application. I didn't worry too much about it, but it was also a bit annoying.There was one thing that I found to be seriously lacking overall, and that is exercises and problems to solve. If this is meant to be a teaching manual, and not just a reference—and it definitely is a teaching manual—then it desperately needs interesting problems the reader can tackle to practice the things he's learned. Some books that have examples of such problems include *Think Java* by Downey and Mayfield, and *Elements of Programming with Perl* by Johnson (probably out of print). There are a few more example exercises on the Head First Ruby website, but, though the author is to be thanked for putting these up, they really don't do the trick because they are too easy and enable the reader to follow a recipe without building more substantial understanding.Finally, because the book includes a rather large amount of repetition, graphics, white space, etc., it simply doesn't cover as much as I would have expected in a 513 page book. What it does cover, it covers extremely thoroughly. I don't mean it covers topics in *detail*; in fact, it leaves out a lot of details. I mean it covers the topics at great length and with a huge effort to be clear, which usually succeeds.
This is the first programming book that I could read casually without taking notes or going online to look things up. Also, this book walks a really good line between being informal and not being a Dummies book. I am reading this book and then alternating with a couple other, more traditional, Ruby books and it is really helping my learning.
First of all, the book is very good. Its fast paced, and covers plenty of Ruby concepts. Its a very very good introductory text to the Ruby programming language.The language is clear and concise, and the author has articulated the concepts very well. The code samples are simple and easy to understand and surprisingly have no mistakes at all (head first usually has a few that are errata'd later)The reason I am giving 4 stars is because the book I received was in Black and White. I agree that the posting (look inside) does show it as black and white, however the book that you get from O'Reilly is in color. And the price difference is literally 5 bucks. Of late, I have found a lot of books on Amazon being in Black and White (my last 3 book orders to be precise), while the same book from the publishers (O'Reilly, Sitepoint, etc) is in color.I know this looks like nitpicking, but I really do prefer the books in color, especially when they are web design kinda books.
Most of the Head First books are really good, and this one is no exception. Simple, and easy to follow, this text walked me through the basics of Ruby and made me much more confident while learning a new language.
Best Ruby book I've read, great for intermediate beginners. It really explains how Ruby works behind the scenes. Probably not the best book to start with for someone completely new to programming. But anyone with a little programming knowledge would do well to read this.
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