Blog Archives
1 2

01: 14 Unix must-know interview questions & answers

Q1 How do you remove the Control-M characters from a file?
A1 Control-M is a carriage return on keyboard. The ^M is the keyboard equivalent to \r.

Read more ›



Chrome Postman to test and debug RESTful Web Services

Step 1 You need to get the Postman extension for the Google chrome browser.

Step 2 Search and add POSTMAN.

Step 3 Once installed,

Read more ›



Debugging JAR hell issues in Java

The following 3 questions are frequently asked by Java developers as an industrial strength Java project will have 100+ jar files. How often have you come across a Java application that requires different versions of the same library?

Read more ›



Debugging like a pro with eclipse IDE tutorial for Java developers

Often you get to work on a fully functional Java application that is already in production to fix production issues or to enhance its existing functionality. As a new Java developer in the team,

Read more ›



Debugging SSL issues in Java & tools to debug

Q1. What are some of the issues you encounter with SSL handshake? A1. Some of the issues you try to debug are Presence of a valid certificate in trust store...



Handy DOS commands for Java developers

Q. How will you copy files more robustly in DOS? A. Using the Robocopy (stands for Robust File Copy) or Xcopy command line utilities. … Read more ›...



How to perform impact analysis across Java based applications?

Performing impact analysis is a crucial software development task. It is all about calculating the impact of software change.

Q1.

Read more ›



JMeter beginner tutorial

This tutorial performance test the RESTFul web service we created ealier as part of the “RESTful Web Service Tutorial with Apache CXF, Maven, and Eclipse” with JMeter. JMeter is an opensource performance testing tool.

Read more ›



Notepad++ beginner tutorial

You can download Notepad++ from http://notepad-plus-plus.org/download. It is a very handy productivity boosting tools. Q. Why is Notepad++ is a very handy tool? … Read more ›...



Notepad++ productivity tips with SQL trigger code example

One of the traits of good developers is that being lazy and this laziness leads to finding productive ways to perform a task. Recently, I had to create a number...



Notepad++ to construct SQL where clause

Let’s take a tutorial like scenario to demonstrate power of Notepad++ as a developer productivity tool.

This approach can be used in other text editors like sublime, atom,

Read more ›



Power of Excel spreadsheet to dynamically generate SQL

When you have some data in tabular (e.g. Excel spreadsheet) format and would like to insert into a database table, you need to write an SQL insert query. Manually writing SQL query for multiple records can be cumbersome.

Read more ›



Power of SQL as a productivity tool

There are times where you need to generate “INSERT” SQL statements from existing data. For example, you may have a production release ready “Delete” SQL statement as shown below to...



1 2

300+ Java & Big Data Interview FAQs

800+ Java Interview Q&As

Java & Big Data Tutorials

Top