Miscellaneous Debugging java.lang.OutOfMemoryError By Nikhilesh Different causes for OOM Every one in java development face java.lang.OutOfMemoryError now and then, OutOfMemoryError in Java is one problem which is may be due to Improper memory management by the Java code Insufficient hardware memory available to process the...
Databases Tuning a slow PostgreSQL Function By Shraddha Tambe Tuning a slow PostgreSQL Function Make data easy with Helical Insight. Helical Insight is the world's best open source business intelligence tool. The problem I faced: I had a postgreSQL function which was getting executed from a BI Report. It...
Business Intelligence Create CrossTab In Helical Insight Using EFW Method By Nikhilesh Creating CrossTab In Helical Insight using EFW Method This blog will teach you how to create Cross Tab in HDI (Helical Dashboard Insights). CrossTab uses PivotTable.js.Which is a JavaScript Pivot Table Library with drag and drop functionality. ‘PivotTable.js' basic function...
Business Intelligence Domain Security in a Jasper Reports Server’s Multi-tenant Environment By Nikhilesh Domain Security in a Jasper Reports Server’s Multi-tenant Environment Create two tenants/organizations CA & WA 1. Log on Jasper report’s server as superuser. 2. Navigate to Manage > Organizations. 3. Click on ‘Add Organization’ button. 4. Enter valid organization name...
Miscellaneous Spring Security with Hibernate By Nikhilesh Today I’m going to talk about spring security with hibernate. Let download the required jar and set these jars in class path of application. spring 3.2.8 RELEASE spring security 3.2.8 RELEASE hibernate 3.3.0.ga Let’s implements the spring security we have...
Miscellaneous FTP and FTPS in LINUX By admin vsftpd is lightweight, highly stable, secure, and fast FTP server for Linux environment. vsftpd also supports virtual ip, virtual users, bandwidth throttling, IPv6, encryption etc.. Make data easy with Helical Insight. Helical Insight is the world's best open source business...
Front End How Bootstrap Grid Works By Nikhilesh How Bootstarp grid works Twitter bootstrap is one of the most well-known frontend framework out there on the web. It is very easy to get started with and can greatly speed up one's workflow. It's a great tool to quickly...
Business Intelligence Creating Custom Component in Talend Open Studio By Nikhilesh Creating Custom Component in Talend Open Studio What a component is? Graphically it is an icon which you drag from palette to the work place. But technically it is a file folder which has the same name of the component...
Business Intelligence Create Table Component (Dynatable) in Helical Insight By admin This blog will teach you how to Create Table Component (Dynatable) in Helical Insight. Dynatable : It is a library , it uses jQuery . It is a framework using which we can easily search , sort and filter the...
Business Intelligence Learn Scheduling using Quartz By Nikhilesh Why do we need scheduling? Scheduling is needed if you want to automate the repetition of a task at specific intervals or particular date. You could of course manually watch the time and execute your task, albeit an inefficient task....
Miscellaneous Resizing a Amazon AWS EC2 EBS-backed Instance By Shraddha Tambe Resizing a Amazon AWS EC2 EBS-backed Instance This blog talks about changing the instance type (or machine size) of your EBS-backed Instance, using the AWS management console. It is a very simple process – Stop your running instance Once stopped,...
ETL Multi valued column processing using Talend Open Studio By Nikhilesh Multi valued column processing using Talend Introduction Now days, source data files which are exported from the different database structures are having multiple fields in single column. These fields need to be extracted and processed independently and need to be...