Download E-books Enterprise Recipes with Ruby and Rails PDF
By Maik Schmidt
Enterprise Recipes with Ruby and Rails permits you to triumph over standard stumbling blocks hidden in each enterprise's infrastructure. it's not relevant in the event that your Rails program must entry your company's message-oriented middleware or if it has to experiment via a whole bunch large XML files to get a lacking piece of knowledge. Ruby and Rails provide help to create ideas which are either dependent and efficient.
With greater than 50 concise, exact recipes, this publication exhibits you the way to exploit present infrastructure to improve successfully for the firm. for instance, Ruby is a superb language for manipulating either textual and binary info. this is often drastically important, simply because regular firm software program is set storing and processing large quantities of information. you will tips on how to approach information in quite a few well known facts codecs resembling XML, CSV, fastened size documents, and JSON.
This booklet covers the complete spectrum of allotted program applied sciences, starting from easy socket-based servers to full-blown provider orientated Architectures. In addition, Ruby is an ideal best friend in case you have to combine with RESTful and cleaning soap companies, or if you have to entry message-oriented middleware. It even lets you reuse your present C/C++, Java, or .NET code with ease.
Since the arrival of the internet, many organisations have opened their inner prone to the surface global to take part within the quickly starting to be global of e-commerce. As an firm programmer you'll higher tips on how to use current check gateways and the way to enforce protection mechanisms to guard your company's info and your consumers' privateness, and this booklet indicates you how.
Enterprise programming isn't just approximately constructing large software program tasks butalso approximately preserving and working them. you will retailer loads of worthy time in case you record your software program (of path, instantly) and automate tedious and routine projects, corresponding to tracking your servers and trying out your courses. Enterprise Recipes with Ruby and Rails covers those significant company matters, providing you with instruments and information you are going to flip to over and over.
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Rb Line 1 require 'activerecord' - classification purchaser < ActiveRecord::Base set_table_name :customer five - def self. create(params) cursor = self. connection. raw_connection. parse <<-PLSQL claim new_id PLS_INTEGER; document erratum ready completely for Trieu Nguyen this reproduction is (P1. zero printing, November 2008) ninety two Download at Boykma. Com 10 15 20 25 - thirteen. E XECUTE S TORED P ROCEDURES start :new_id := add_customer(:forename, :surname, :date_of_birth); finish; PLSQL cursor. bind_param('forename' , params[:forename], String, 60) cursor. bind_param('surname' , params[:surname], String, 60) cursor. bind_param('date_of_birth' , params[:date_of_birth]) cursor. bind_param('new_id' , nil, Fixnum) cursor. exec new_id = cursor['new_id' ] cursor. shut patron = purchaser. new shopper. identification = new_id buyer. forename = params[:forename] consumer. surname = params[:surname] shopper. date_of_birth = params[:date_of_birth] patron finish finish As traditional, we derive our shopper type from ActiveRecord::Base, and in line four, we set the desk identify to patron simply because another way ActiveRecord could suppose that the desk is termed clients. Then we outline our personal create( ) technique, overwriting the one who has been outlined via ActiveRecord. In line 7, we receive a connection with the particular database connection during the raw_connection member. the relationship is of sort OCI8, simply because we're operating with an Oracle database and the root of ActiveRecord’s Oracle help is the ruby-oci8 library. three (Attention: you're leaving the vendor-independent zone! if you can't stand to work out nonportable code, you’d greater go away the room now. ) when we have the database connection, we instantly name its parse( ) process, passing it one other piece of PL/SQL. right here we claim a variable named new_id and set it to the go back worth of our add_customer( ) functionality. That’s approximately the code you’d use in a PL/SQL application to name the add_customer( ) functionality. the single distinction is that we've got placed a colon in entrance of each variable and argument identify. This turns them into bind variables that we’ll use later. parse( ) returns a Cursor item, that is kind of Oracle’s time period for a ready assertion. so much databases help ready statements. rather than executing a SQL assertion without delay, the database creates three. http://ruby-oci8. rubyforge. org/ file erratum ready solely for Trieu Nguyen this replica is (P1. zero printing, November 2008) ninety three Download at Boykma. Com thirteen. E XECUTE S TORED P ROCEDURES Joe Asks. . . what's a kept method? because the starting of relational databases, humans continually sought after extra information varieties. it began with numbers and strings, and this day we will be able to shop arbitrary binary facts, XML records, or maybe entire item hierarchies. So, it got here as no shock that a few owners allowed their clients to shop and execute code within the database. often, the code needs to be written in proprietary languages comparable to PL/SQL (Oracle) or Transact-SQL (Microsoft, Sybase), yet a few items help kept systems written in Java or Perl.