IT Knowledge Sharing | Interview questions

This article is all about how you configure MDC logs with SLF4J and logback. 1. Maven POM dependencies : Please add maven dependencies as given below.        <!-- Logging with SLF4J & LogBack --> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.7.5</version> </dependency> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> <version>1.0.13</version> </dependency> 2. Configure logback.xml file <?xml version="1.0" encoding="UTF-8"?> <configuration scan="true" scanPeriod="30 seconds"> <property name="DEV_HOME" value="c:/logs" />     <contextListener class="ch.qos.logback.classic.jul.LevelChangePropagator">         <resetJUL>true</resetJUL>     </con...

You want to explore struts 1.X with ajax based application which returns JSON as a response, you can go following public repository. https://github.com/youdhveer/struts1

Suppose we have a device table along with following columns. id(integer),device(varchar),device_data(varchar). Now suppose you want to upload data from a device.csv file like given below. --------------------------------------------------- "id","device","device_data" "1","A1","this is test device, model-11" "2","A2","this is test device, model-12" "3","A3","this is test device, model-13" "4","A4","this is test device, model-14" ---------------------------------------------------- Use following command to insert these values from csv file to table with casting id value from text to integer. LOAD DATA INFILE 'D:\device.csv' INTO TABLE device  FIELDS TERMINATED BY  ','  ENCLOSED BY '"' LINES TERMINATED BY '\n' IGNORE 1 LINES (@id, device, device_data) SET id= CONVERT( @id, UNSIGNED...