Fast Web Applications Development with Ruby on Rails on Oracle
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This document provides an overview of Ruby on Rails and how it can be used to develop fast web applications with an Oracle database backend. It discusses key Rails concepts like MVC architecture and Active Record. It also demonstrates how to connect Rails to Oracle using gems like ruby-oci8, activerecord-oracle_enhanced-adapter, and ruby-plsql to access Oracle data types, stored procedures, and full-text search capabilities. The document concludes with deployment options and pointers to related sessions.
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More from Raimonds Simanovskis (20)
Profiling Mondrian MDX Requests in a Production Environment
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Improve Mondrian MDX usability with user defined functionsRaimonds Simanovskis The document discusses improving MDX usability in Mondrian through user defined functions (UDFs). It provides examples of UDFs that allow accessing member properties, parsing dates, performing date calculations, calculating cumulative totals over time periods, aggregating calculated members, and setting default context. The UDFs extend MDX capabilities and make queries more readable and maintainable.
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Data Warehouses and Multi-Dimensional Data AnalysisRaimonds Simanovskis The document discusses data warehouses and multi-dimensional data analysis. It provides an example of modeling sales data across multiple tables in a relational database and shows how long queries take on large amounts of data. It then introduces dimensional modeling and how to structure data in a data warehouse using fact and dimension tables. Finally, it demonstrates how to model the sales data multidimensionally using a data cube and discusses OLAP technologies like Mondrian for multi-dimensional analysis.
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mondrian-olap JRuby libraryRaimonds Simanovskis The document describes mondrian-olap, a JRuby library that allows querying Mondrian OLAP schemas using Ruby and provides examples of defining Mondrian schemas, connecting to databases, executing MDX queries, and extending functionality through user-defined functions in Ruby, JavaScript, and CoffeeScript. It proposes defining Mondrian schemas directly in CoffeeScript for increased brevity and readability.
eazyBI Overview - Embedding Mondrian in other applications
eazyBI Overview - Embedding Mondrian in other applicationsRaimonds Simanovskis This document discusses embedding the Mondrian OLAP engine in other applications. It describes how eazyBI embeds Mondrian in its integrated business intelligence application to provide ETL, reports, charts, dashboards and the ability to embed analytics in other apps. It also discusses options for deploying Mondrian in embedded and multi-tenant configurations, current issues with long running threads and calculated measures, and additional user defined functions developed for Mondrian.
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JavaScript Unit Testing with JasmineRaimonds Simanovskis This document discusses JavaScript unit testing with Jasmine. It provides an overview of Jasmine's syntax including describes, contexts, matches, spies and stubs. It also discusses tools that can be used with Jasmine like jasmine-jquery for DOM testing and jasmine-given for behavior-driven development style tests.
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Agile Operations or How to sleep better at night
Agile Operations or How to sleep better at nightRaimonds Simanovskis 1) Agile values and practices can be applied to operations by focusing on individuals and interactions, comprehensive automation through infrastructure as code, and responding quickly to changes rather than following a predefined plan.
2) Typical system administration involves manual and repetitive installation and configuration tasks, whereas automating infrastructure build through version control and continuous deployment allows infrastructure to be provisioned and configured in a consistent, automated way.
3) Monitoring everything from end-user experience to applications, databases, and operating systems enables detecting problems early. Automated alerts and root cause analysis facilitate fast problem resolution.
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TDD - Why and How?Raimonds Simanovskis Presented at DevClub.lv meeting http://devclub.lv/announcing-6th-devclub-lv
(video recording of talk is here http://devclub.lv/test-driven-development-tdd-why-and-how-raimonds-simanovskis) and at Agile Tour Vilnius 2013 conference (http://www.agileturas.lt/vilnius#raimonds_simanovskis).
Analyze and Visualize Git Log for Fun and Profit
Analyze and Visualize Git Log for Fun and ProfitRaimonds Simanovskis This document discusses analyzing and visualizing Git commit logs to gain insights from a codebase's history. It describes analyzing commits across dimensions like authors, file extensions, times, and dates to understand contributor patterns and identify opportunities for improvement. Visualizations are shown examining contributions by time zone, hour of day, and day of week to learn about developer workflows and prevent burnout.
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PL/SQL Unit Testing Can Be FunRaimonds Simanovskis This document discusses unit testing PL/SQL code using Ruby. It introduces the ruby-plsql-spec gem, which allows writing PL/SQL unit tests in Ruby with a readable RSpec-style syntax. The gem provides powerful testing features and best practices from the Ruby community. A demo shows connecting to a database and calling PL/SQL procedures from Ruby tests. The benefits highlighted are compact readable syntax, support for complex tests, following best practices, and being open-source. More information is provided in blog posts and the GitHub repository for ruby-plsql-spec.
opendata.lv Case Study - Promote Open Data with Analytics and Visualizations
opendata.lv Case Study - Promote Open Data with Analytics and VisualizationsRaimonds Simanovskis This case study promotes opening up government data through analytics and visualizations to make the information more engaging and reusable. It suggests crawling Latvian government websites to publish analytical reports and dashboards using open data from sources like election donations, university applications, and traffic accidents. The main challenges are a lack of awareness about open data in the country, data published in undocumented XMLs or PDFs instead of open formats, and no regulations around open data.
Rails-like JavaScript Using CoffeeScript, Backbone.js and Jasmine
Rails-like JavaScript Using CoffeeScript, Backbone.js and JasmineRaimonds Simanovskis The document discusses using CoffeeScript to write JavaScript code in a more Ruby-like style. It provides examples of CoffeeScript code for functions, objects, classes, and other concepts. CoffeeScript allows JavaScript code to be written in a cleaner syntax that resembles Ruby. This helps address problems with JavaScript code appearing "ugly" and unfamiliar to developers experienced in Ruby. CoffeeScript transpires to regular JavaScript, enabling the Ruby-like code to run in browsers.
RailsWayCon: Multidimensional Data Analysis with JRuby
RailsWayCon: Multidimensional Data Analysis with JRubyRaimonds Simanovskis This document discusses multidimensional data analysis using JRuby and OLAP. It covers relational and multidimensional data models, SQL and MDX query languages, commercial OLAP vendors, and defining OLAP schemas and querying data in Ruby. Example queries are provided to illustrate getting analytical data such as total sales by product groups for a time period and location.
Why Every Tester Should Learn Ruby
Why Every Tester Should Learn RubyRaimonds Simanovskis This document discusses why every tester should learn Ruby. It notes that testers often use scripting languages like VBScript, SQABasic, RobotJ, and VU to automate tests, but that Ruby is a better alternative being a simple yet powerful object-oriented and dynamic programming language. Ruby has a high testing culture in its community and is used for test automation with frameworks like Selenium and Watir for web testing, JRuby for GUI testing with Java libraries, and can interface with databases using Ruby-PLSQL-Spec for testing Oracle PL/SQL code. The document provides examples of test scripts in Ruby and argues that Ruby allows tests to serve as executable specifications.
Multidimensional Data Analysis with JRuby
Multidimensional Data Analysis with JRubyRaimonds Simanovskis This document discusses multidimensional data analysis using JRuby and OLAP technologies. It provides examples of SQL queries for relational data that become complex for analytical queries. It then introduces multidimensional data modeling and cubes with dimensions, hierarchies and measures. Examples are given of MDX queries and equivalent Ruby queries against OLAP cubes for analytical reporting. Finally, it discusses defining an OLAP schema to map cubes to database tables.
Rails-like JavaScript using CoffeeScript, Backbone.js and Jasmine
Rails-like JavaScript using CoffeeScript, Backbone.js and JasmineRaimonds Simanovskis This document discusses using CoffeeScript, Backbone.js, and Jasmine to provide a Rails-like structure for developing rich JavaScript web applications. It provides examples of CoffeeScript code for a Todo model, collection, and view using Backbone.js. It also shows sample Jasmine tests for the Todo model.
How to Adopt Agile at Your Organization
How to Adopt Agile at Your OrganizationRaimonds Simanovskis The document discusses an event called Agile Riga Day 2011 about adopting agile practices at organizations. It outlines some common challenges organizations face before and after starting their agile adoption, such as resistance to change, not fully understanding agile principles and rituals, lack of customer involvement, and difficulties implementing technical practices. The document provides recommendations for a successful agile adoption, such as starting iteratively, involving customers, implementing quality practices, and maintaining readiness for continuous change.
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