In this video we go through the steps of how to solve the CodeSignal Interview Prep array challenge entitled: firstDuplicate.

In this video I use Kotlin to solve the challenge, but CodeSignal allows you to choose other languages if you'd like. The overall solution should be transferable to any language.

I chose to code this live-ish, meaning, I didn't really have a solution figured out in my head. I think it's helpful to really deal with pressure even when you're just practicing.

Apologies about the background noise and terrible audio quality. Hopefully this was helpful!

codesignal.com

In this episode we look at a very different type of task - while most tasks involve writing code, we can also use short quizzes to screen large groups of candidates!

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Live programming interview with a software development manager at Bloomberg.

Part 2: youtube.com/watch?v=5xuvqBjRkok

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Whether you’re interviewing junior or senior, front end or back end engineers, mobile developers, or data scientists, CodeSignal Interview provides a comprehensive solution for all of your technical interview needs.

We look at a task that involves using a programming language to make API calls and database queries.

Timestamp:
00:00 Q1
00:30 Q1 live code
00:59 Q1 Answer
01:14 Q2
01:45 Q2 Live code
05:05 Q2 answer
05:22 Q3
05:50 Q3 Live code
12:59 Q4
13:30 submit - timeout
Questions:
drive.google.com/drive/folders/11pj6Q24Z7by4M93mEzwrJtTheNy25cXH?usp=sharing
Hi everyone,
I recently did this test for Data Engineer position at RBC through CodeSignal Platform. These are the practice tests, not the real questions (I signed the NDA so I can't disclose the real questions). There are 4 questions for total of 1 hour and 10 minutes. I didn't finish question 3 and didn't even touch question 4.
I also attached my solutions (not optimal) in the end of q1,q2 for your references.
If you would like me to analyze and explain all these questions, please like and comment below.

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This is how I would prepare for those hard coding interviews if I were to do it all over again. I would optimize my time, follow a schedule and learn data structures and algorithm fundamentals before diving into any programming interview question. The truth is getting a software engineering job is hard and it takes a lot of studying and dedication but it's worth it. The stuff you learn in a computer science degree is very theoretical and it doesn't always translate to coding interviews.

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Programming interview questions and answers. In this mock coding interview, I'm interviewed by a software engineer from Capital One. All interviews conducted on interviewing.io

Interview Rating:

Do you want to advance this person to the next round (e.g. onsite)?
Yes

Technical Skills: 4/4
Problem Solving Ability: 3/4
Communication: 4/4

Self Review:
How well do you think you did?
4/4

If you're interested in doing some mock interviews on your own, you can check out interviewing.io

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Here are 5 tips on what to avoid doing in a technical interview and advice on what to do instead. Ace every single interview and get the dream programming job!

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HOW TO CHEAT ON AN ONLINE PROCTORED EXAM (2022)

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In this video, we will talk about the excel skills needed to ace the Uber Analytics Test. We will walk through a typical CSV/Excel file and give you a few insider tips on what needs to be done as part of the test.

Pat and Tigran take a look at a relational database task, and discuss how the CodeSignal platform can be used for evaluating MySQL abilities.

Try these popular MySQL tutorial books this year:
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Problem: app.codesignal.com/arcade/db/would-you-like-the-second-meal/NEmMmhyncr4X4ZHbh

Your task is to return the table with a column id and a column checks, where for each answers id the following string should be returned:

1. "no answer" if the given_answer is empty;
2. "correct" if the given_answer is the same as the correct_answer;
3. "incorrect" if the given_answer is not empty and is incorrect.

Order the records in the answer table by id.

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In this video I have explained my coding round experience of UBER HackTag 2021. Have a look and share with your friends.

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Hi friends! Welcome back to SQL Sundays! A weekly SQL data science interview questions and answers walkthrough.

This is another data science SQL interview question and answer done from beginning to end in a real interview style.

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Check out StrataScratch for data science interview prep:
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🎥Other videos you might be interested in
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SQL Sundays Playlist:
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How I learned SQL from Scratch in 11 Days to Pass my FANNG SQL Interview: youtube.com/watch?v=vaD3ZFFNwhM

How I consistently study with a full-time job:
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🐈‍⬛🐈‍⬛About me
========================
Hi, my name is Tina and I'm a data scientist at a FAANG company. I was pre-med studying pharmacology at the University of Toronto until I finally accepted that I would make a terrible doctor. I didn't know what to do with myself so I worked for a year as a research assistant for a bioinformatics lab where I learned how to code and became interested in data science. I then did a masters in computer science (MCIT) at the University of Pennsylvania before ending up at my current job in tech :)

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Continuation of CodeSignal Aracde - Databases SQL coding exercises

Link to playlist: youtube.com/watch?v=1sP2-qleEoo&list=PL8LH8gB86EpPWfgS-5a651zhL3RhLeqPH

In this live demo, we show how you can use CodeSignal to run data science technical interviews.

Pat and Tigran look at another type of user-interface task for automating front-end skills assessment. This time it involves some dynamic page elements, so we'll be using Javascript, as well as the popular front-end library React.