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3 Patterns for Storing Tree Structures in the RDBMS

3 Patterns for Storing Tree Structures in the RDBMS

Hello my dear friends. Today, we’ll talk about storing tree structures in the RDBMS (Relational Database Management Systems: e.g. MySQL, PostgreSQL, Oracle, etc.). While this can be an easy topic for some of you (if “Nested Sets” and “Materialized Path” sound familiar, you probably won’t find anything new here), I’ve …

Getting Started with Chef Server

Hello my dear friends. Today we will talk about a Chef Server. In this article we will learn what is the Chef Server and how to setup it up. Before reading this article, it’s better to read my articles about Chef Solo. Here I’ll explain only those things that hasn’t …

Shared Handlebars Templates for Rails 3

Hello my dear friends. Today we will talk about the way, how we share handlebars templates in Rails 3. In the previous article I explained you how we share mustache templates between rails backend and javascript frontend in our company. After article publication, many people turned to the question “What …

Effective similarity search in PostgreSQL

Effective similarity search in PostgreSQL

Hello my dear friends. In “PostgreSQL most useful extensions” I showed a list of some useful extensions for PostgreSQL. Of course, that article didn’t cover all useful extensions (in my humble opinion) and some extensions I want to describe in separate articles. Today we will talk about effective similarity search …

Shared Mustache Templates for Rails 3

Hello my dear friends. Today we will talk about how we share mustache templates in Rails 3. Let’s imagine that we have a task, where on first load of the page we show only 10 products. But when user scroll, we should automatically load more products on page (aka continuous …

CouchDB and CouchApp

To write a web application today there are many languages, frameworks and libraries. One of the main languages in this set is JavaScript, because this technique works in most browsers without any additional third-party libraries and is quite flexible. At the moment, it is possible to write entire applications to …