Download E-books Ruby Pocket Reference PDF

, , Comments Off on Download E-books Ruby Pocket Reference PDF

Updated for Ruby 2.2, this useful reference bargains short but transparent factors of Ruby’s middle elements—from operators to blocks to documentation creation—and highlights the major good points you'll paintings with on a daily basis. want to know the right kind syntax for a conditional? Forgot the identify of that String strategy? This ebook is prepared that will help you locate the evidence fast.

Ruby Pocket Reference, second Edition is perfect for skilled programmers who're new to Ruby. even if you’ve come to Ruby as a result of Rails, otherwise you are looking to benefit from this fresh, strong, and expressive language for different functions, this reference can help you simply pinpoint the data you need.

You’ll locate distinctive reference fabric for:

  • Keywords, operators, reviews, numbers, and symbols
  • Variables, pre-defined international variables, and general expressions
  • Conditional statements, procedure use, periods, and exception handling
  • Methods for the BasicObject, item, Kernel, String, Array, and Hash classes
  • Time formatting directives
  • New syntax given that Ruby 1.9

Show description

Read or Download Ruby Pocket Reference PDF

Similar Programming books

Game Physics Engine Development: How to Build a Robust Commercial-Grade Physics Engine for your Game

Physics is actually very important to video game programmers who want to know how you can upload actual realism to their video games. they should take note of the legislation of physics when growing a simulation or online game engine, fairly in 3D special effects, for the aim of creating the results seem extra genuine to the observer or participant.

C: How to Program (6th Edition)

C the way to application, 6e, is perfect for introductory classes in C Programming. additionally for classes in Programming for Engineers, Programming for company, and Programming for expertise. this article presents a invaluable reference for programmers and an individual attracted to studying the interval.

Professional Ruby on Rails (Programmer to Programmer)

Not anything lower than a revolution within the means net functions are constructed,Ruby on Rails (RoR) boasts an easy and intuitive nature that avoids programming repetition and makes it infinitely more straightforward to construct for the internet. This booklet captures the present top practices to teach you the best solution to construct a amazing net software with RoR.

Perl Best Practices

Many programmers code through intuition, hoping on handy conduct or a "style" they picked up early on. they are not aware of all of the offerings they make, like how they layout their resource, the names they use for variables, or the categories of loops they use. they're targeted fullyyt on difficulties they're fixing, recommendations they're growing, and algorithms they are imposing.

Extra info for Ruby Pocket Reference

Show sample text content

2. zero, 1. 1. zero, 1. zero. 1, 1. zero. zero, zero. nine. five, zero. nine. zero, zero. eight. five, zero. eight. zero, zero. 7. nine, zero. 7. eight, zero. 7. 7, zero. 7. 6, zero. 7. five) Web-flow and rendering framework placing the VC in MVC. actionservice (0. three. zero, zero. 2. 102, zero. 2. a hundred, zero. 2. ninety nine) internet carrier help for motion Pack. actionwebservice (1. 2. three, 1. 2. 2, 1. 2. 1, 1. 2. zero, 1. 1. 6, 1. 1. five, 1. 1. four, 1. 1. three, 1. 1. 2, 1. 1. 1, 1. 1. zero, 1. zero. zero, zero. nine. four, zero. nine. three, zero. nine. 2, zero. nine. 1, zero. eight. 1, zero. eight. zero, zero. 7. 1, zero. 7. zero, zero. 6. 2, zero. 6. 1, zero. 6. zero, zero. five. zero) net provider help for motion Pack. [truncated] set up or replace Rake (make à los angeles Ruby, mentioned within the subsequent section). you could want root privileges to do that (essentially, you’ll want a root password). i exploit sudo (http://www. gratisoft. us/sudo) to do that: $ sudo gem set up rake caution: incorrect use of the sudo command may lead to facts loss or the deletion of vital approach documents. Please double-check your typing while utilizing sudo. sort "man sudo" for additional info. To continue, input your password, or sort Ctrl-C to abort. Password: Bulk updating Gem resource index for: http://gems. rubyforge. org effectively put in rake-0. 7. 2 fitting ri documentation for rake-0. 7. 2... fitting RDoc documentation for rake-0. 7. 2... one hundred thirty | Ruby Pocket Reference Rake A construct instrument is helping you construct, collect, or differently technique documents, occasionally huge numbers of them. Rake is a construct device like make (http://www. gnu. org/software/make) and Apache ant (http://ant. apache. org), however it is written in Ruby. it's utilized by Ruby many functions, not only Rails. Rails operations use Rake often, so it's worthy stating the following. Rake makes use of a Rakefile to determine what to do. A Rakefile comprises named initiatives. for those who create a Rails venture, a Rakefile is instantly created that can assist you care for numerous jobs, similar to operating assessments and searching at undertaking facts. (After making a Rails venture with one of many tutorials less than, whereas often Rails venture listing, run rake --tasks or rails stats to get a taste of what Rake does. ) Rake was once written through Jim Weirich (http://onestepback. org). You’ll locate documentation on Rake at http://rake. rubyforge. org. also, you’ll discover a stable creation to Rake, by means of Martin Fowler, at http://www. martinfowler. com/articles/rake. html. money to work out no matter if Rake is current: $ rake --version rake, model zero. 7. 2 If this command fails, use RubyGems to put in Rake, as proven within the earlier part. To run Rake support, style: $ rake --help utilization: rake [-f rakefile] {options} targets... Rake | 131 Options: --classic-namespace (-C) positioned activity and FileTask within the top-level namespace. --dry-run (-n) Do a dry run with out executing activities. --help (-H) demonstrate this aid message. --libdir=LIBDIR (-I) contain LIBDIR within the seek course for required modules. --nosearch (-N) don't seek guardian directories for the Rakefile. --prereqs (-P) show the projects and dependencies, then go out. --quiet (-q) don't log messages to straightforward output. --rakefile (-f) Use dossier because the Rakefile. --rakelibdir=RAKELIBDIR (-R) Auto-import any . rake records in RAKELIBDIR (default is rakelib).

Rated 4.33 of 5 – based on 46 votes