By Jeremy McAnally
The ebook learn like a standard Cookbook sort reference. the matter i discovered with the booklet is that it lacks sufficient recipes to split it from the Dave Thomas Programming Ruby and Agile improvement with Rails, either introductory programming books. furthermore, i locate that screencast and internet sites do a greater activity at educating numerous of the tutorials which are present in this guide.
while you're more moderen to Ruby and need to discover a few solid makes use of of the language than this booklet can element you in that course.
Read Online or Download Ruby in Practice PDF
Best user experience & usability books
Ambient intelligence is the imaginative and prescient of a know-how that might turn into invisibly embedded in our usual atmosphere, current at any time when we want it, enabled by way of uncomplicated and easy interactions, attuned to all our senses, adaptive to clients and context-sensitive, and self sufficient. high quality details entry and customized content material has to be on hand to every person, wherever, and at any time.
Robotic manipulation is a brilliant problem; it encompasses versatility -adaptation to various situations-, autonomy -independent robotic operation-, and dependability -for good fortune below modeling or sensing error. a whole manipulation activity consists of, first, an appropriate seize or touch configuration, and the following movement required by means of the duty.
This ebook encapsulates a few paintings performed within the DIRC venture considering belief and accountability in socio-technical platforms. It brings jointly a number of disciplinary techniques - laptop technological know-how, sociology and software program engineering - to supply a socio-technical platforms viewpoint at the matters surrounding belief in expertise in advanced settings.
The recent variation of this awesome ebook depicts the production of the realm champion checkers desktop software, Chinook. in just years, Chinook had develop into a important opponent to the realm champion, and inside of 4 years had defeated the entire world's most sensible human avid gamers. Jonathan Schaeffer, the originator and chief of the Chinook crew, info the blunders and technical difficulties made and the teachings realized within the non-stop attempt to enhance Chinook's functionality, revealing the human issue in the back of the program’s layout.
- Intelligent Virtual Agents: 14th International Conference, IVA 2014, Boston, MA, USA, August 27-29, 2014. Proceedings
- Designing Highly Useable Software
- Advances in Visual Computing: 10th International Symposium, ISVC 2014, Las Vegas, NV, USA, December 8-10, 2014, Proceedings, Part II
- Recent Developments in Nonlinear Partial Differential Equations
Additional resources for Ruby in Practice
1 Test-driven development is a five-step process: add, fail, code, test, refactor. com> Test-driven development with Ruby 29 In the first step, you add tests for any new code you want to write before you write the code. You write a test that tests for the right behavior of the method; if the method takes a string and returns its length, write a test that calls the method with "hello" and test for a return value of 5; if it should raise an exception when you pass it a nil, test for that. As tests are added, you create a specification of the behavior that your code should conform to.
The way Ruby allows you to extend objects and use constructors relieves you from juggling factories. Iteration is often done with blocks and functions, whereas in nonfunctional languages you tend to use for loops and define anonymous classes. Once you get the hang of all these ideas, you’ll start reframing problems in terms of Ruby, rather than thinking out a solution in a language you’re more familiar with, and writing it in the Ruby syntax. You will often find that reframing problems changes the way you think about code, and you’ll discover new ways to become a better developer.
All these help you reuse code more often. A byproduct of duck typing is that method calls do not check their recipient’s type beforehand. Your code calls a method, and if it fails, it raises an exception. This concept sounds a little cloudy, so let’s look at a piece of code to explain it. Let’s say we have a method that calls size and returns it in a friendly message. " end Our method calls size on the object without regard for its class, so if you feed it an object that responds to the size method, it will work.
Ruby in Practice by Jeremy McAnally