Ruby on Rails 3.2 - Step by Step

Stefan Wintermeyer

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A very useful tool for almost any programmer. Libraries with regular expression support exist for nearly every language, but ever since the advent of Perl it has become increasingly important for a language to support regular expressions natively. And I haven’t even touched on how it can be used on the mobile web! Those of you who nominated Ruby praised it for being easy to understand and easy to learn, easy to read when you have to, and for having a large, active, passionate developer community that's committed to the success of the language.

Instant Nokogiri

Hunter Powers

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Not only free of charge, but also free to use, copy, modify, and distribute. Just put the type signature here, here, ... yes, copy that list of exceptions.... Pascal provides rich data structures, including both the enumerated and record data types, and defined with a pleasing and powerful clarity. But � but we don�t have the same affinity for programming languages (well most of us) so yes Perl can be a struggle in the beginning. This makes it easy to develop new applications by relying on existing work.

Sinatra: Up and Running

Alan Harris, Konstantin Haase

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I do know you can do a lot with PHP that people think you can’t; for instance I’ve worked on an intelligent distributed system which uses long running cli processes which are capable of shutting down gracefully and even recovering gracefully from fatal errors and getting themselves back up and running when appropriate (yes, without manual intervention,) and letting us know what happened if exiting is appropriate. PHP is a server side scripting language whereas Java is a general purpose language.

RUBY - Ruby Programming: The Ultimate Beginner?s Guide!

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Comal is supposed to be a crossover between the BASIC programming language and Pascal. Named parameters brought forward from Objective-C are expressed in a clean syntax that makes APIs in Swift even easier to read and maintain. The term of art is “ infosuicide ,” a rare but hardly unheard-of occurrence. As a result, our implementation is tiny—roughly 2500 lines of code, about two orders of magnitude smaller than a typical system. Because GKL is event-driven, object-oriented, and state-based, it is extremely easy to use once you learn it, and many games can be written in only a page or two of code.

Ruby Cookbook

Lucas Carlson, Leonard Richardson

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Like Java, Perl and Tcl, Python offers a portable GUI library, several really. Try programming challenges right in the browser, compare your code and speed with others. The RubyInstaller project aims to provide developers working on Windows systems with a quick and easy way to begin developing with Ruby using an MRI-based (Matz’s Ruby Implementation) environment while enabling enhancements through Ruby’s standard RubyGems packaging system.

Upgrade to Rails 4

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This fuels the open source community around the languages, which encourages cutting edge developers (and thus, startups) to adopt them. A user of a dynamically-typed language must rely on extensive testing to ensure that all improper uses of the object are tracked down. The web wouldn't work if we weren't all speaking the same "language." These exercises favor functional languages and those with list-processing capabilities. Discussions of beauty and elegance and utility seemed to me to be ubiquitous among coders, forever reaching for metaphors to describe how what might seem cold and mechanical in fact can feel like an ecstatic act of creation.

Intro To Ruby Programming: Beginners Guide Series

John Elder

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There’s no quick way to determine at a glance which scripts satisfy which roles and which are actively maintained. It is this similarity to English that makes it easy for noobs to take on Ruby without being afraid of it. Java is compiled by the developer to a platform-independent bytecode format, with bytecodes downloadable via HTML browsers to the client, and interpreted by a virtual machine which can guarantee its safety. Very efficient resource management means you can serve many users with limited hardware.

Arduino: Getting Started With Arduino: The Ultimate

Steve Gold

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JSON has taken over as one of the most popular ways to transfer data. As a utility langue though, almost nothing compares. Okay in our case, not to worry as we have a simple method: @SuppressWarnings("unchecked") public static Object invokeStaticSubroutine( Object classInstance, String methodName, St4ticValue ... args){ //~ Public Invocation try{ Class clazz = classInstance instanceof Class? (Class)classInstance: classInstance.getClass(); // Invoke Subroutine with parameters if( args != null ){ //~ Get Static Method LinkedList params = new LinkedList(); for( St4ticValue arg: args ){ params.add( arg.getType() ); } Method method = clazz.getMethod(methodName, params.toArray(new Class[]{})); //~ Invoke Static Method LinkedList values = new LinkedList(); for( St4ticValue arg: args ){ values.add(arg.getValue()); } return method.invoke(classInstance, values.toArray(new Object[]{})); } // Invoke Subroutine without parameters else{ Method method = clazz.getMethod(methodName, new Class[]{}); return method.invoke(classInstance, new Object[]{}); } } catch (SecurityException se) { } catch (NoSuchMethodException nsme) { } catch (IllegalArgumentException iae) { } catch (IllegalAccessException iae) { } catch (InvocationTargetException ate) { } return null; } Core package is the heart for St4tic data manipulation, we have just four classes.

PeopleSoft PeopleTools Tips & Techniques (Oracle Press)

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On the other hand, everyone that I have seen who uses PHP and Ruby agrees that Ruby is very elegant and yields high productivity. We are making such material available in our efforts to advance understanding of environmental, political, human rights, economic, democracy, scientific, and social justice issues, etc. Operator += is used for attaching new functions that will be called by the multicast delegate. Both languages are great for writing complex apps in a ridiculously small amount of LOC.

Head First Rails: A Learner's Companion to Ruby on Rails

David Griffiths

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In isolation, this kind of thing is not a big deal. The MedicateEligibilityException definition itself is a typical class definition, with instance variables beginning with @, an initialize() constructor that assigns its arguments to the instance variables, and get routines for the instance variables. I worked with it a little bit back in high school then moved over to Java in college and never looked back with exception of few parallel processing assignments I did in grad school. One significant difference, however, is that while JavaScript is a prototype-based language, objects in Dart are defined using classes and interfaces, as in C++ or Java.