By Sam Ruby, Dave Thomas, David Heinemeier Hansson
Ruby on Rails is helping you produce top of the range, beautiful-looking net functions quick. you think about developing the applying, and Rails looks after the main points. Tens of hundreds of thousands of builders have used this award-winning publication to profit Rails. it is a large, far-reaching educational and reference that is advised by means of the Rails middle workforce. if you are new to Rails, you will get step by step suggestions. if you are an skilled developer, this e-book provide you with the great, insider info you wish. Rails has advanced through the years, and this e-book has advanced in addition to it. We nonetheless commence with a step by step walkthrough of establishing a true software, and in-depth chapters examine the integrated Rails positive factors. This version now supplies new Ruby and Rails clients additional info at the Ruby language and takes extra time to give an explanation for key innovations all through. top practices on how you can practice Rails proceed to alter, and this version retains up. Examples use cookie subsidized classes, HTTP authentication, and energetic Record-based kinds, and the booklet focuses all through at the correct approach to use Rails. also, this version now displays Ruby 1.9, a brand new free up of Ruby with immense sensible and function advancements.
Read or Download Agile Web Development with Rails (4th Edition - final) PDF
Similar development books
Norman Matloff and Peter Jay Salzman, "The artwork of Debugging with GDB, DDD, and Eclipse"
English | ISBN: 1593271743 | 2012 | writer: No Starch Press | MOBI | 280 pages | nine + three MB
Debugging is important to profitable software program improvement, yet even many skilled programmers locate it hard. subtle debugging instruments can be found, but it can be tough to figure out which beneficial properties are worthy during which occasions. The paintings of Debugging is your consultant to creating the debugging method extra effective and effective.
The artwork of Debugging illustrates the use 3 of the most well-liked debugging instruments on Linux/Unix systems: GDB, DDD, and Eclipse. The text-command dependent GDB (the GNU venture Debugger) is incorporated with so much distributions. DDD is a well-liked GUI entrance finish for GDB, whereas Eclipse presents an entire built-in improvement environment.
In addition to providing particular recommendation for debugging with every one device, authors Norm Matloff and Pete Salzman disguise basic ideas for bettering the method of discovering and solving coding error, together with how to:
Inspect variables and knowledge structures
Understand segmentation faults and middle dumps
Know why your software crashes or throws exceptions
Use good points like catchpoints, comfort variables, and synthetic arrays
Avoid universal debugging pitfalls
Real international examples of coding blunders aid to explain the authors' guiding rules, and insurance of advanced themes like thread, client-server, GUI, and parallel programming debugging will make you much more educated. You'll additionally easy methods to hinder blunders within the first position with textual content editors, compilers, blunders reporting, and static code checkers.
Whether you dread the concept of debugging your courses or just are looking to increase your present debugging efforts, you'll discover a worthwhile best friend within the paintings of Debugging.
• Explores the approach to life of indigenous peoples of the realm who exist in entire concord with the wildlife and with every one other.
• finds a version of a society equipped on belief, persistence, and pleasure instead of anxiousness, hurry, and acquisition.
• exhibits how we will be able to reconnect with the traditional intuitive information of the world's unique humans.
Deep within the mountainous jungle of Malaysia the aboriginal Sng'oi exist at the fringe of extinction, notwithstanding their lifestyle could eventually be the type of lifestyles that may let us all to outlive. The Sng'oi--pre-industrial, pre-agricultural, semi-nomadic--live with no vehicles or cellphones, with no clocks or schedules in a lush eco-friendly position the place fear and hurry, festival and suspicion usually are not recognized. but those indigenous people--as do many different aboriginal groups--possess an acute and uncanny experience of the energies, feelings, and intentions in their position and the dwelling beings who populate it, and trustingly keep on with this instinct, utilizing it to make judgements approximately their activities on a daily basis.
Psychologist Robert Wolff lived with the Sng'oi, discovered their language, shared their foodstuff, slept of their huts, and got here to like and appreciate those those who appreciate silence, belief time to bare and heal, and reside totally within the current with a feeling of pleasure. much more, he got here to acknowledge the intensity of our alienation from those simple characteristics of lifestyles. even more than a rfile of a disappearing humans, unique knowledge: tales of an old manner of realizing holds a replicate to our personal lifestyles, permitting us to work out how some distance we now have wandered from the methods of the intuitive and trusting Sng'oi, and demanding situations us, in our fragmented international, to rediscover this humanity inside of ourselves.
An incredible quantity of media consciousness has been dedicated to revealing sexual abuse perpetrated by way of Roman Catholic monks. those essays define a medical and learn time table for pros facing clergy sexual abuse. they need to allow study medical pros, and clergy to spot the suitable matters within the identity, prognosis, therapy, and prevention of kid and adolescent sexual abuse devoted via Roman Catholic monks.
The plasma membrane is straight away the window during which the telephone senses the surroundings and the portal during which the surroundings affects the constitution and actions of the mobile. Its significance in mobile body structure can therefore hardly ever be overvalued, seeing that consistent move of fabrics among phone and atmosphere is key to the health and wellbeing of any organic procedure.
- Ioffe Institute 1918-1998: Development and Research Activities
- Building Web Reputation Systems
- The Moon: Resources, Future Development and Settlement (2nd Edition)
- Managing Development in a Global Context
- The Smartest Places on Earth: Why Rustbelts Are the Emerging Hotspots of Global Innovation
- Waiting To Be Found: Papers on Children in Care
Additional resources for Agile Web Development with Rails (4th Edition - final)
Erb files (a Rails file format that embeds Ruby snippets within HTML). • Support of automatic indentation and reindentation of Ruby source. This is more than an aesthetic feature: having an editor indent your program as you type is the best way of spotting bad nesting in your code. Being able to reindent is important when you refactor your code and move stuff. ) • Support for insertion of common Ruby and Rails constructs. You’ll be writing lots of short methods, and if the IDE creates method skeletons with a keystroke or two, you can concentrate on the interesting stuff inside.
We also want to keep an eye on the logging that’s generated by the application, so we keep a terminal window open. In it, we use tail -f to scroll the contents of the log file as it’s updated. 0 printing, March 2011) 32 R AILS AND D ATABASES Creating Your Own Rails API Documentation You can create your own local version of the consolidated Rails API documentation. Just type the following commands at a command prompt: rails_apps> rails new dummy_app rails_apps> cd dummy_app dummy_app> rake doc:rails The last step takes a while.
Org/projects/sqlite-ruby A pure-Ruby version of the Postgres adapter is available. org/projects/postgres-pr. MySQL and SQLite adapters are also available for download as RubyGems (mysql and sqlite3, respectively). 7 What We Just Did • We installed (or upgraded) the Ruby language. • We installed (or upgraded) the Rails framework. • We installed (or upgraded) the SQLite3 database. • We selected an editor. Now that we have Rails installed, let’s use it. It’s time to move on to the next chapter where we create our first application.
Agile Web Development with Rails (4th Edition - final) by Sam Ruby, Dave Thomas, David Heinemeier Hansson