In my previous article, we showed a straight forward way to index data from the relational database into Elasticsearch. In this article we will show you: Create mappings for the index Understand the […]
Elasticsearch provides powerful search capabilities with support for sharding and replication of the data. So we would want to index data available in our DB into Elasticsearch. There are multiple ways to […]
1. Introduction Google has explained here on how to verify if the given IP belongs to Googlebot. So instead of hard-coding all the IPs which might change eventually, Google has suggested doing […]
the above mistake cost me close to 1 hour. Can you spot the mistake? I tried all these possibilities: model.put(“validation_success”,1); model.put(“validation_success”,true); model.put(“validation_success”,”true”); and then realized my stupid mistake. I have installed sonar […]
What is a postfix expression? An expression where in the operator is placed after the operands is called a postfix expression. For example an expression (also called infix expression) 2 + 3 […]
Here is a simple gotcha to keep in mind while migrating to newer Spring Security version 4.x from Spring Security 3.2.x What’s the problem? The Spring security configuration expressions hasRole(‘role_name’) and hasAuthority(‘role_name’) […]
So if you want to find files with a given extension in windows, this is how you would do: where, /r says recursively search and match for files with given pattern, and […]
Earlier in Spring/Spring Boot to Map a GET or POST or DELETE or any HTTP method request handler we would write something like below: But with Springframework 4.3 and Spring Boot 1.4 […]
I was the other day trying to parse a date string into a date object using SimpleDateFormat to check for the validity of the date string. I had the SimpleDateFormat defined as: […]
Download the Elasticsearch distribution, note the version you want to use Make sure you have Java 7. Verify by java -version. If not find out the value of $JAVA_HOME by using echo […]
