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How to make primary key column with auto increment in HSQLDB TEXT Table

IDENTITY keyword can be use to make the table column both as primary key and auto increment. An IDENTITY column is always treated as the p...
How To Connect Laptop To TV

Laptop to TV cable connection is not complex task. They’re easy and simple. All you need is the proper cable and a few adjustments to your ...
How to add search filter in Grid Panel using EXTJS

To get the search filter in your Grid Panel, do the following steps 1) Add following scripts and css in your html. <link href="....
Gang of Four (GOF) Java Design Patterns Mock Exams (Page 01)

Gang of Four (GOF) Java Design Patterns Mock Exams. Following are some questions on Java Design Patterns, which includes answers also: P...
How to delete and add columns in Grid Panel using EXTJS

Following are the steps of adding and deleting column in Grid Panel. The code written below is inspired by the code provided here. I hav...
How to compare two fields value while querying in mongodb

To compare 2 fields of a document while querying in mongodb, we need to use $where. Lets see the example to compare 2 fields of a documen...
how to create multi level headers in grid panel using EXTJS

Following is the code of creating multi-level or nested headers in Grid Panel: Ext.onReady(function() { var structure = ['I...
How to reset pagination and gridpanel using extjs

If pagination on grid is on bottom toolbar then use the following code Ext . getCmp ( 'gridId' ). getStore (). removeAll (); Ext ...
Running Jest using Gulp with code coverage

Jest is a unit test framework that is mainly used for reactjs. Jest is widely used by facebook in their projects. Add below configuration...
How to add Tomcat 8 to Eclipse Kepler in steps with screenshots

Lot of people faces the issue while adding Tomcat 8 in Eclipse Kepler JEE IDE. Reason being it does not supports Tomcat 8 as of now. Howeve...

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