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01: JavaScript Vs Java interview Q&As

The client-side JavaScript based MVW (Model View Whatever) frameworks like AngularJS, Backbone, CanJS, Ember, etc have become mainstream and replacing server side Java based frameworks like JSF, Struts, Spring MVC. So, time to get a better handle on JavaScript and market yourself as a full stack Java developer. … Read...

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01: Networking basics interview Q&As on ip address, subnet mask, DNS & gateway

Q. Do software developers & Architects need to know networking? A. The answer is Yes for both, but architects must know certain concepts more than the developers. Architects need to liaise with network, cloud, dev ops, and site engineers. Networking is a very vast subject. … Read more ›...

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01: Unix interview Q&As – part 4 locate & find

Experienced developers & engineers are lazy and use the right tools & know-hows to get the tasks done quickly & effectively on the job. Problem Statement How will you search for a file location by name? For example, where are my log files? Under which folder is mysql installed? …...

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01: Unix interview Q&As – part 1 sed & find

Experienced developers & data engineers are lazy and use the right tools & know-hows to get the tasks done quickly & effectively on the job. Q01 What Unix commands are handy for the engineers? A01 find, grep, sed, and awk are very handy for data engineers. … Read more ›...

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01: Unix interview Q&As – part 2 cat, grep, gunzip & wc

Experienced developers & engineers are lazy and use the right tools & know-hows to get the tasks done quickly & effectively on the job. Unix interview Q&As for data engineers. Problem Statement Given a zipped file with below content having both meta data & actual content, … Read more ›...

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01: Unix interview Q&As – part 3 grep

Experienced developers & engineers are lazy and use the right tools & know-hows to get the tasks done quickly & effectively on the job. Unix interview Q&As – part 2. Problem Statement When you have 100s of log files, how will you go about searching for errors or certain behaviour...

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01: Unix interview Q&As – part 5 xargs

This extends Unix interview Q&As for engineers – part 4 locate & find. Where to use xargs? xargs can be used when you need to take the output from one command and use it as an argument to another. grep, … Read more ›...

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01: Unix interview Q&As – part 6 awk

This extends Unix interview Q&As for engineers – part 6 cut and awk. awk format The “action” is performed if the pattern matches.

For example: Given the below csv data file “my_data.csv”

Print employee names with Salary >… Read more ›...

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01: Unix interview Q&As for data engineers – part 6 cut and awk

cut & awk Unix commands are used to extract sections from each line of text. cut vs. awk cut accepts a single-character delimiter, and is suitable only for very simple text file formats whereas awk is much more versatile, and can handle somewhat more complex field delimiter definitions including regular...

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02: 20+ Kubernetes (aka K8s) interview questions & answers

Q1. What is the difference between Docker & Kubernetes? A1. Docker & Kubernetes can function without each other, and also both can compliment each other. Docker enables us to run, create and manage containers on a single operating system. If you have Docker installed on a number of hosts with...

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02: 50+ SQL scenarios based interview Q&As on joins, CDC and recursive CTE

This extends 50+ SQL scenarios based interview questions answered on identifying & deleting duplicate records. You can practice these in SQLs by setting up the data on db-fiddle MySQL V8.0 or a database server & SQL client of your choice. Q01 When you have a table that maintains history of...

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02: 6 More Git interview Q&As

Extending 8 Git Source control system interview questions & answers. Q1. What do you understand by the term patch or pull request? A1. A patch means change sets you want to communicate and apply to another repository. Nowadays, the GitHub “pull request” makes it really easy to apply patches on...

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02: 7 More Maven interview Questions & Answers

Q1. How will you go about creating master builds or releases using Maven? A1. Step 1: Log into the server that has maven set up to perform release builds. Step 2: You need to checkout the fresh copy of the artifacts that you are going to build. … Read more...

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300+ Java Interview Questions - FAQs

Tutorials on Java & Big Data