Ruby Pocket Reference 2e

Author : Michael Fitzgerald
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1491925973
Total Pages : 224 pages
Book Rating : 4.73/5 ( download)

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Download or read book Ruby Pocket Reference written by Michael Fitzgerald and published by "O'Reilly Media, Inc.". This book was released on 2015-08-10 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Updated for Ruby 2.2, this handy reference offers brief yet clear explanations of Ruby’s core elements—from operators to blocks to documentation creation—and highlights the key features you may work with every day. Need to know the correct syntax for a conditional? Forgot the name of that String method? This book is organized to help you find the facts fast. Ruby Pocket Reference, 2nd Edition is ideal for experienced programmers who are new to Ruby. Whether you’ve come to Ruby because of Rails, or you want to take advantage of this clean, powerful, and expressive language for other applications, this reference will help you easily pinpoint the information you need. You’ll find detailed reference material for: Keywords, operators, comments, numbers, and symbols Variables, pre-defined global variables, and regular expressions Conditional statements, method use, classes, and exception handling Methods for the BasicObject, Object, Kernel, String, Array, and Hash classes Time formatting directives New syntax since Ruby 1.9

Author : Michael Fitzgerald
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 149192599X
Total Pages : 224 pages
Book Rating : 4.97/5 ( download)

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Download or read book Ruby Pocket Reference written by Michael Fitzgerald and published by "O'Reilly Media, Inc.". This book was released on 2015-08-10 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Updated for Ruby 2.2, this handy reference offers brief yet clear explanations of Ruby’s core elements—from operators to blocks to documentation creation—and highlights the key features you may work with every day. Need to know the correct syntax for a conditional? Forgot the name of that String method? This book is organized to help you find the facts fast. Ruby Pocket Reference, 2nd Edition is ideal for experienced programmers who are new to Ruby. Whether you’ve come to Ruby because of Rails, or you want to take advantage of this clean, powerful, and expressive language for other applications, this reference will help you easily pinpoint the information you need. You’ll find detailed reference material for: Keywords, operators, comments, numbers, and symbols Variables, pre-defined global variables, and regular expressions Conditional statements, method use, classes, and exception handling Methods for the BasicObject, Object, Kernel, String, Array, and Hash classes Time formatting directives New syntax since Ruby 1.9

Author : Tony Stubblebine
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 0596514271
Total Pages : 129 pages
Book Rating : 4.73/5 ( download)

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Download or read book Regular Expression Pocket Reference written by Tony Stubblebine and published by "O'Reilly Media, Inc.". This book was released on 2007-07-18 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: A guide to the syntax and semantics of regular expressions for Perl 5.8, Ruby, Java, PHP, C#, .NET, Python, JavaScript, and PCRE.

Author : Michael Fitzgerald
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 0596551746
Total Pages : 178 pages
Book Rating : 4.42/5 ( download)

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Download or read book Ruby Pocket Reference written by Michael Fitzgerald and published by "O'Reilly Media, Inc.". This book was released on 2007-07-18 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although Ruby is an easy language to learn, in the heat of action you may find that you can't remember the correct syntax for a conditional or the name of a method. This handy pocket reference offers brief yet clear explanations of Ruby's core components, from operators to reserved words to data structures to method syntax, highlighting those key features that you'll likely use every day when coding Ruby. Whether you've come to Ruby because of the Rails web development framework --Ruby's killer app -- or simply because it's a relatively clean, powerful and expressive language that's useful for a lot of applications, the Ruby Pocket Reference is organized to help you find what you need quickly. This book not only will get you up to speed on how Ruby works, it provides you with a handy reference you can use anywhere, anytime. In this book, you find essential information on: Reserved words, operators, comments, numbers, variables, ranges, and symbols Predefined variables andglobal constants Conditional statements, method use, classes, and modules (mixins) Lists of methods from the Object, String, Array, and Hash classes and the Kernel module sprintf andtime formatting directories Interactive Ruby (irb) and the Ruby debugger Ruby documentation You also get information on the RubyGems package utility and Rake, a build tool similar to make.. If you're using Ruby daily and just want the facts-fast-Ruby Pocket Reference is your book.

Author : Arnold Robbins
Publisher : O'Reilly Media
ISBN 13 : 1449304184
Total Pages : 94 pages
Book Rating : 4.88/5 ( download)

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Download or read book vi and Vim Editors Pocket Reference written by Arnold Robbins and published by O'Reilly Media. This book was released on 2011-01-10 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many Unix, Linux, and Mac OS X geeks enjoy using the powerful, platform-agnostic text editors vi and Vim, but there are far too many commands for anyone to remember. Author Arnold Robbins has chosen the most valuable commands for vi, Vim, and vi's main clones—vile, elvis, and nvi—and packed them into this easy-to-browse pocket reference. You'll find commands for all kinds of editing tasks, such as programming, modifying system files, and writing and marking up articles. This second edition includes: Command-line options vi commands and set options Input mode shortcuts Substitution and regular expressions ex commands and options Initialization and recovery Enhanced tags and tag stacks A greatly expanded section on Vim commands and options Additional features in vile, elvis, and nvi Internet resources for vi A full index

Author : David Thomas
Publisher :
ISBN 13 : 9780974514055
Total Pages : 830 pages
Book Rating : 4.55/5 ( download)

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Download or read book Programming Ruby written by David Thomas and published by . This book was released on 2004 with total page 830 pages. Available in PDF, EPUB and Kindle. Book excerpt: A tutorial and reference to the object-oriented programming language for beginning to experienced programmers, updated for version 1.8, describes the language's structure, syntax, and operation, and explains how to build applications. Original. (Intermediate)

Author : Gregor N. Purdy
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1449378986
Total Pages : 98 pages
Book Rating : 4.81/5 ( download)

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Download or read book Linux iptables Pocket Reference written by Gregor N. Purdy and published by "O'Reilly Media, Inc.". This book was released on 2004-08-25 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: Firewalls, Network Address Translation (NAT), network logging and accounting are all provided by Linux's Netfilter system, also known by the name of the command used to administer it, iptables. The iptables interface is the most sophisticated ever offered onLinux and makes Linux an extremely flexible system for any kind of network filtering you might do. Large sets of filtering rules can be grouped in ways that makes it easy to test them and turn them on and off.Do you watch for all types of ICMP traffic--some of them quite dangerous? Can you take advantage of stateful filtering to simplify the management of TCP connections? Would you like to track how much traffic of various types you get?This pocket reference will help you at those critical moments when someone asks you to open or close a port in a hurry, either to enable some important traffic or to block an attack. The book will keep the subtle syntax straight and help you remember all the values you have to enter in order to be as secure as possible. The book has an introductory section that describes applications,followed by a reference/encyclopaedic section with all the matches and targets arranged alphabetically.

Author : Arnold Robbins
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1491941545
Total Pages : 156 pages
Book Rating : 4.46/5 ( download)

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Download or read book Bash Pocket Reference written by Arnold Robbins and published by "O'Reilly Media, Inc.". This book was released on 2016-02-17 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: It’s simple: if you want to interact deeply with Mac OS X, Linux, and other Unix-like systems, you need to know how to work with the Bash shell. This concise little book puts all of the essential information about Bash right at your fingertips. You’ll quickly find answers to the annoying questions that generally come up when you’re writing shell scripts: What characters do you need to quote? How do you get variable substitution to do exactly what you want? How do you use arrays? Updated for Bash version 4.4, this book has the answers to these and other problems in a format that makes browsing quick and easy. Topics include: Invoking the shell Syntax Functions and variables Arithmetic expressions Command history Programmable completion Job control Shell options Command execution Coprocesses Restricted shells Built-in commands

Author : Anthony Gray
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1491915455
Total Pages : 185 pages
Book Rating : 4.55/5 ( download)

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Download or read book Swift Pocket Reference written by Anthony Gray and published by "O'Reilly Media, Inc.". This book was released on 2014-12-11 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get quick answers for developing and debugging applications with Swift, Apple’s multi-paradigm programming language. This pocket reference is the perfect on-the-job tool for learning Swift’s modern language features, including type safety, generics, type inference, closures, tuples, automatic memory management, and support for Unicode. Designed to work with Cocoa and Cocoa Touch, Swift can be used in tandem with Objective-C, and either of these languages can call APIs implemented in the other. Swift is still evolving, but it’s clear that Apple sees it as the future language of choice for iOS and OS X software development. Topics include: Swift’s Run-Eval-Print-Loop (REPL) and interactive playgrounds Supported data types, such as strings, arrays, and dictionaries Variables and constants Program flow: loops and conditional execution Classes, structures, enumerations, functions, and protocols Closures: similar to blocks in Objective-C and lambdas in C# Optionals: values that can explicitly have no value Operators, operator overloading, and custom operators Access control: restricting access to types, methods, and properties Built-in global functions and their parameter requirements

Author : Mark Lutz
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 144935694X
Total Pages : 266 pages
Book Rating : 4.41/5 ( download)

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Download or read book Python Pocket Reference written by Mark Lutz and published by "O'Reilly Media, Inc.". This book was released on 2014-01-22 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Updated for both Python 3.4 and 2.7, this convenient pocket guide is the perfect on-the-job quick reference. You’ll find concise, need-to-know information on Python types and statements, special method names, built-in functions and exceptions, commonly used standard library modules, and other prominent Python tools. The handy index lets you pinpoint exactly what you need. Written by Mark Lutz—widely recognized as the world’s leading Python trainer—Python Pocket Reference is an ideal companion to O’Reilly’s classic Python tutorials, Learning Python and Programming Python, also written by Mark. This fifth edition covers: Built-in object types, including numbers, lists, dictionaries, and more Statements and syntax for creating and processing objects Functions and modules for structuring and reusing code Python’s object-oriented programming tools Built-in functions, exceptions, and attributes Special operator overloading methods Widely used standard library modules and extensions Command-line options and development tools Python idioms and hints The Python SQL Database API