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LinkedIn Open Sources PalDB, a Read-only Key-value Store

by Abel Avram on  Oct 27, 2015

LinkedIn has open sourced PalDB, an embeddable read-only key value store, 8 times faster than LevelDB and taking several times less memory than a hashset.

Stephen Colebourne/OpenGamma Release ElSql V 1.1

by Victor Grazi on  Sep 27, 2015

Stephen Colebourne and OpenGamma released v1.1 of ElSql, a library and DSL for managing SQL in external files. Colebourne is well known for his work as the spec lead of Java Time, a cornerstone of last year's Java 8 release, and for his creation of the Joda Time and Joda Money API's.

Plumbr Adds Slow Query Detection

by Matt Raible on  Jun 15, 2015

JVM monitoring vendor Plumbr has added slow query detection to its flagship product. With this addition, Plumbr now detects four types of problems: Memory Leaks, Garbage Collection Inefficiencies, Locked Threads and Expensive JDBC Operations.

Designing and Storing Aggregates in Domain-Driven Design

by Jan Stenberg on  Dec 11, 2014 1

Creating and working with well-designed aggregates is one of the least well understood tactical patterns found in Domain-Driven Design, Vaughn Vernon explains in two articles giving some guidelines to composing aggregate boundaries and alternatives to an ORM when storing them.

Catalyzing Change with a Kanban Flow Manager

by Ben Linders on  Nov 03, 2014

When organization use kanban mainly for visualization of the work they may be missing out on benefits, says Matthew Philip. Introducing a flow manager role can help teams to reflect and find solutions to the problems that they are facing, thus catalyzing change in the organization.


by Jonathan Allen on  Sep 30, 2014 5

A prototype of MySQL 5.7 is shipping with an optional component called the MySQL HTTP Plugin. This plugin allows direct access to MySQL via a REST over HTTP interface, eliminating the need for a middle-tier server or database specific drivers.

Spring Data Release Train - Spring 4.0, Limiting Queries, SpEL, ALPS

by Bienvenido David on  Sep 26, 2014

Spring Data release train Evans is now generally available. The release train includes 11 Spring Data modules that help developers build data access layers on top of both relational and non-relational data stores.

You Are Using the ORM the Wrong Way

by Jan Stenberg on  Sep 16, 2014 19

When teams abandons an Object-Relational Mapper, ORM, it is often due to bad usage Jimmy Bogard stated in a recent presentation highlighting what he sees as incorrect and correct ways of using an ORM, including mapping and querying problems.

NHibernate Lets Go of Iesi.Collections, Improves Support for SQL Server 2012

by Roopesh Shenoy on  Aug 26, 2014 6

NHibernate 4.0 GA has been released. It comes with .NET 4.0 support, moving away from the Iesi.Collections library, and also supports some SQL Server 2012 features such as sequences and Query Paging.

OSGi Release 6 Specifications add Data Transfer Objects and Versioning Annotations

by Alex Blewitt on  Jul 14, 2014

At last month's OSGi DevCon in New York, the OSGi Alliance released OSGi Core Release 6. This adds a standard for representing Data Transfer Objects and a way of annotating interfaces indicating whether they are supposed to be implemented or used by clients. In addition, an osgi.native namespace and extension bundle activators have been added; read on to find out more.

Facebook Open-sources Haxl: Implicit, Concurrent Data Access Using Haskell

by Roopesh Shenoy on  Jun 11, 2014

Facebook has open-sourced Haxl, a library for efficient, concurrent data-access. The library leverages the traditional strengths of Haskell such as expressive type system, correctness and safety guarantees, as well as GHC's high performance run-time to solve the thorny issue of implicit, concurrent data access.

Rails 4.1 Improves Boot Time and Responsive Layouts

by Mirko Stocker on  Apr 09, 2014

Rails 4.1 can now preload your application to improve startup time and comes with improvements for Action Pack, Active Record, and Action Mailer.

Having Actions Done from Retrospectives

by Ben Linders on  Feb 27, 2014

Agile retrospectives help teams to find and do actions to improve continuously. There are different ways to do follow up on the actions and to evaluate if actions are leading to better team performance and more value delivered to customers.

OpenAccess ORM Renamed As Telerik Data Access with Improved UI and Colored Visual Designer

by Anand Narayanaswamy on  Feb 18, 2014

Telerik recently renamed OpenAccess ORM as Telerik Data Access with Improved User Interface and colored visual designer in addition to Telerik.DataAccess.Core NuGet, Telerik.DataAccess.Fluent and Telerik.DataAccess.Fluent.Sample NuGet packages.

Functional Relational Mapping Library Slick 2.0 Released

by Jan Stenberg on  Jan 26, 2014

Version 2.0 of Slick, a Functional-Relational Mapping, FRM, library for Scala, (corresponding to an Object-Relational Mapper, ORM, for object-oriented languages), was recently released with a code generator for reverse-engineering a database schema and new driver architecture to allow support for non-SQL databases.

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