By David Flanagan
—Andrew Hedges, Tapulous
By Chad Pytel
professional energetic checklist is helping you're taking benefit of the entire energy of your database engine from inside of your Ruby courses and Rails purposes. ActiveRecord, a part of the magic that makes the Rails framework so robust and simple to take advantage of, is the version portion of Rails model/view/controller framework. Its an object-relational mapping library permitting you to engage with databases from either Ruby and Rails functions.
Because ActiveRecord is configured with default assumptions that mesh completely with the Rails framework, Rails builders frequently locate they not often desire give it some thought in any respect. despite the fact that, when you are constructing in Ruby with out Rails, or are deploying opposed to legacy databases designed with no Rails in brain, otherwise you simply are looking to make the most of database-specific beneficial properties resembling huge gadgets and kept methods, you wish the in-depth wisdom of ActiveRecord present in this publication.
In seasoned energetic list , authors Kevin Marshall, Chad Pytel, and Jon Yurek stroll you thru each step from the fundamentals of having and fitting the ActiveRecord library to operating with legacy schema to utilizing beneficial properties particular to every of todays most well-liked database engines, together with Oracle, MS SQL, MySQL, and extra! You’ll come to a deep figuring out of ActiveRecord that might aid you really make the most all that Ruby, Rails, and your selected database platform need to offer.
By Kendall Scott, Axel Uhl, Dirk Weise Stephen J. Mellor
As platforms have grown extra the most important to the operations of businesses world wide, so too have the prices linked to construction and holding them. input model-driven structure (MDA), a regular framework from the item administration workforce (OMG) that enables builders to hyperlink item versions jointly to construct entire platforms. MDA prevents layout judgements from being intertwined with the applying and retains it self reliant of its implementation. the result's an software that may be mixed with different applied sciences in addition to different purposes, and versions that turn into hugely reusable resources.
By Joseph Benharosh
But this doesn't inform the complete tale. reflect on the subsequent proof :
Procedural programming is inefficient
PHP frameworks depend upon item orientated PHP
Drupal and different CMS platforms at the moment are item oriented
There are progressively more components of WordPress changing into item oriented
By Walid Joseph Gedeon
This ebook is a step by step beginner's advisor in accordance with constructing a case research (a publication stock) that walks the developer during the implementation whereas gradually explaining the encompassing options in context. in the course of the booklet, the writer discusses software program layout thoughts and introduces productiveness instruments that increase the reader's knowledge-base. This ebook is aimed toward Java builders seeking to know about writing reusable and community distributable software program following the OSGi criteria utilizing the recognized Felix framework. while you are a developer who desires to specialise in the company common sense, and summary clear of the main points of ways to combine with particular structures then this publication is intended for you. when you are a Java developer new to OSGi and do not quite recognize the place to begin from to really start constructing functions, simply decide up this publication and become aware of the benefit with that you could commence constructing robust, modular, and extensible purposes. This publication makes use of the Felix framework 3.0 as an OSGi provider platform implementation and covers its utilization to a degree the place it makes you cozy adequate to jot down your personal enterprise-level purposes.
By George Springer
This can be the 1st creation to machine programming textual content to target ""functional programming"" which isn't too mathematically rigorous for rookies. The textual content beneficial properties an creation to the Scheme programming language and real-world examples and workouts that are effortless to stick to and research from.
By R. J. A. Buhr
Use situations describe interplay situations among a method to be designed and clients of the method. The authors aid those situations with maps to supply a visible notation for prose use situations and a way of extending the circumstances into high-level layout. this article is a research of use case maps and their purposes to excessive point layout of platforms. It additionally exhibits readers the best way to use the maps in a co-ordinated method with different common requirements/design types for object-oriented and real-time platforms (such as use circumstances, type dating diagrams, collaboration graphs and interplay series diagrams).
By Pascal Bugnion
Leverage the facility of Scala with various instruments to construct scalable, strong facts technology applications
About This Book
- A whole consultant for scalable facts technological know-how strategies, from info ingestion to information visualization
- Deploy horizontally scalable info processing pipelines and reap the benefits of net frameworks to construct enticing visualizations
- Build practical, type-safe exercises to have interaction with relational and NoSQL databases with assistance from tutorials and examples provided
Who This ebook Is For
If you're a Scala developer or information scientist, or on the way to input the sector of knowledge technological know-how, then this e-book offers you the entire instruments you must enforce info technology solutions.
What you are going to Learn
- Transform and filter out tabular information to extract positive factors for computer learning
- Implement your personal algorithms or reap the benefits of MLLib's huge suite of versions to construct allotted desktop studying pipelines
- Read, remodel, and write facts to either SQL and NoSQL databases in a practical manner
- Write powerful exercises to question internet APIs
- Read info from net APIs akin to the GitHub or Twitter API
- Use Scala to engage with MongoDB, which deals excessive functionality and is helping to shop huge information units with doubtful question requirements
- Deploy scalable parallel purposes utilizing Apache Spark, loading facts from HDFS or Hive
Scala is a multi-paradigm programming language (it helps either object-oriented and practical programming) and scripting language used to construct functions for the JVM. Languages comparable to R, Python, Java, etc are more often than not used for information technology. it's quite reliable at interpreting huge units of knowledge with none major influence on functionality and therefore Scala is being followed via many builders and information scientists. info scientists will be conscious that construction purposes which are actually scalable is difficult. Scala, with its robust sensible libraries for interacting with databases and construction scalable frameworks offers you the instruments to build powerful facts pipelines.
This ebook will introduce you to the libraries for consuming, storing, manipulating, processing, and visualizing info in Scala.
Packed with real-world examples and engaging info units, this publication will train you to ingest info from flat documents and net APIs and shop it in a SQL or NoSQL database. it's going to assist you to layout scalable architectures to strategy and modelling your info, ranging from basic concurrency constructs akin to parallel collections and futures, via to actor structures and Apache Spark. in addition to Scala's emphasis on useful buildings and immutability, you'll how one can use the correct parallel build for the activity handy, minimizing improvement time with no compromising scalability. ultimately, you'll the way to construct attractive interactive visualizations utilizing internet frameworks.
This booklet supplies tutorials on one of the most universal Scala libraries for information technology, permitting you to speedy wake up to hurry with construction info technology and knowledge engineering solutions.
Style and approach
A instructional with whole examples, this publication offers you the instruments to begin development helpful info engineering and information technology options straightaway