Spring part 1 [IOC Containers]

IOC container contains two types of containers which are core container and another is advanced J2EE container. Core container is called BeanFactory and J2EE container is called ApplicationContext also one more Configurable Application Context. So we may be thinking like what actually the containers...

ElasticSearch Part 4 [Advanced Query]

lets focus in the Query string what we can achieve and how we can perform advanced queries using the query string 1. +/- Operators: This helps us to filter the words during the search. Let us take an example: GET /ecommerce/product/_search?q=(name:(+dell) in the above query the name feild must...

ElasticSearch Part 3 [Categories of Queries]

In elasticsearch there are two main categories in queries which are : 1. Leaf: It looks for particular value in particular fields like "dell" in the product name. This queries can be used by themselves without being part of the compound queries. And the best thing is it can be used as a part of compound...

ElasticSearch Part 2 [Searching]

Lets populate some products first:  PUT /ecommerce/product/1002 {     "name": "Dell",     "price": 1200.00,     "description": "This product is awesome and I love to code in it",     "status": 1,     "quantity": 2,     "categories":...

ElasticSearch Part 1 [Mappings]

For this tutorial we are using the "Sense - a Json aware interface to ElasticSearch" 1. creating a index in elasticsearch PUT /ecommerce {} 2. creating a mapping named product PUT /ecommerce/ {     "mappings": {         "product":{          ...

HTML Headings

Headings are defined with the <h1> to <h6> tags. <h1> defines the most important heading. <h6> defines the least important heading. This is heading 1 This is heading 2 This is heading 3 This is heading 4 This is heading 5 This is heading 6 ...