DEV Community

Oliver Jumpertz profile picture

Oliver Jumpertz

Just a Software Engineer

Location Germany Joined Joined on  github website twitter website

Work

Software Architect

Writing Debut
Four Year Club
Three Year Club
Two Year Club
One Year Club
4 Week Writing Streak
Beloved Comment
Fab 5
The Ultimate Guide To GraphQL Error Handling

The Ultimate Guide To GraphQL Error Handling

1
Comments 1
16 min read

Want to connect with Oliver Jumpertz?

Create an account to connect with Oliver Jumpertz. You can also sign in below to proceed if you already have an account.

Already have an account? Sign in
How to Write Files in Rust

How to Write Files in Rust

Comments
7 min read
How to Read Files in Rust

How to Read Files in Rust

7
Comments
6 min read
Your Guide To Computer Science Fundamentals

Your Guide To Computer Science Fundamentals

Comments
15 min read
The Ultimate Smart Contract Developer Roadmap

The Ultimate Smart Contract Developer Roadmap

29
Comments
9 min read
Thirteen Incredible GitHub Repositories To Leverage Your Blockchain Learning

Thirteen Incredible GitHub Repositories To Leverage Your Blockchain Learning

47
Comments
5 min read
10 Important Array Methods In JavaScript Explained

10 Important Array Methods In JavaScript Explained

5
Comments
12 min read
Why talking about your current salary with recruiters and in interviews is a horrible idea

Why talking about your current salary with recruiters and in interviews is a horrible idea

2
Comments
6 min read
Exposing your greatest weakness in an interview

Exposing your greatest weakness in an interview

4
Comments
4 min read
That one obvious interview question that can cost you some nerves

That one obvious interview question that can cost you some nerves

3
Comments
4 min read
How to react when asked to rate your skills in an interview

How to react when asked to rate your skills in an interview

3
Comments
6 min read
How to tackle the dreaded question "Why should we hire you?" in your next interview

How to tackle the dreaded question "Why should we hire you?" in your next interview

4
Comments
6 min read
You might undersell yourself by giving yourself the wrong title

You might undersell yourself by giving yourself the wrong title

3
Comments
3 min read
That one common interview question most interviewees hate

That one common interview question most interviewees hate

4
Comments
6 min read
One of the most important interview questions many interviewees fail to answer correctly

One of the most important interview questions many interviewees fail to answer correctly

14
Comments
6 min read
React's useEffect Hook

React's useEffect Hook

55
Comments
3 min read
An Introduction To WebAssembly

An Introduction To WebAssembly

3
Comments
4 min read
The 10 Most Valuable Lessons I Learned As A Developer

The 10 Most Valuable Lessons I Learned As A Developer

2
Comments
8 min read
How To Set Up A Solidity Project And Create Your First Smart Contract

How To Set Up A Solidity Project And Create Your First Smart Contract

59
Comments 1
14 min read
Solidity Quick Tip: Efficiently Swap Two Variables

Solidity Quick Tip: Efficiently Swap Two Variables

6
Comments 1
2 min read
JavaScript Quick Tip: Quickly Filter Out All Falsy Values From An Array

JavaScript Quick Tip: Quickly Filter Out All Falsy Values From An Array

11
Comments 4
2 min read
JavaScript Quick Tip: Make Function Arguments Required With Default Parameters

JavaScript Quick Tip: Make Function Arguments Required With Default Parameters

2
Comments
2 min read
JavaScript Quick Tip: Quickly Get All Unique Values From An Array

JavaScript Quick Tip: Quickly Get All Unique Values From An Array

6
Comments
2 min read
JavaScript Quick Tip: The Nullish Coalescing Operator

JavaScript Quick Tip: The Nullish Coalescing Operator

6
Comments
2 min read
JavaScript Quick Tip: Create A Cancelable Promise Delay

JavaScript Quick Tip: Create A Cancelable Promise Delay

6
Comments
2 min read
Distributed Consensus - Proof of Stake

Distributed Consensus - Proof of Stake

6
Comments
3 min read
Distributed Consensus - Proof-of-Work

Distributed Consensus - Proof-of-Work

3
Comments
4 min read
6 Tips To Improve Your Review Process

6 Tips To Improve Your Review Process

15
Comments
3 min read
An Introduction To Blockchain Technology

An Introduction To Blockchain Technology

8
Comments 2
6 min read
Want To Get Hired? - Optimize Your LinkedIn Profile

Want To Get Hired? - Optimize Your LinkedIn Profile

8
Comments 1
3 min read
An Introduction To Svelte

An Introduction To Svelte

47
Comments 3
4 min read
Data Science And Machine Learning In JavaScript

Data Science And Machine Learning In JavaScript

8
Comments
2 min read
An Introduction To The Jamstack

An Introduction To The Jamstack

5
Comments
4 min read
An Introduction To Rust

An Introduction To Rust

3
Comments
4 min read
Never Answer What Your Current Salary Is In An Interview - Here Is Why

Never Answer What Your Current Salary Is In An Interview - Here Is Why

4
Comments
2 min read
The Moving Average (Simple And Exponential) - Theory, Math, And Implementation In JavaScript

The Moving Average (Simple And Exponential) - Theory, Math, And Implementation In JavaScript

Comments
8 min read
Simple Linear Regression - Theory, Math, And Implementation In JavaScript

Simple Linear Regression - Theory, Math, And Implementation In JavaScript

6
Comments
7 min read
How The Abstract Equality Comparison (==) In JavaScript Works

How The Abstract Equality Comparison (==) In JavaScript Works

9
Comments 3
6 min read
DIP - The Dependency Inversion Principle

DIP - The Dependency Inversion Principle

7
Comments
3 min read
ISP - The Interface Segregation Principle

ISP - The Interface Segregation Principle

1
Comments
3 min read
LSP - The Liskov Substitution Principle

LSP - The Liskov Substitution Principle

1
Comments
3 min read
OCP - The Open-Closed Principle

OCP - The Open-Closed Principle

6
Comments
3 min read
SRP - The Single Responsibility Principle

SRP - The Single Responsibility Principle

3
Comments
3 min read
Indenting JSON.stringify’s Output

Indenting JSON.stringify’s Output

11
Comments
2 min read
7 Steps To Follow During Your System Design Interview To Help You Ace That Round

7 Steps To Follow During Your System Design Interview To Help You Ace That Round

12
Comments
7 min read
DRY - Don’t repeat yourself

DRY - Don’t repeat yourself

9
Comments
3 min read
Building A Containerized Lambda Function

Building A Containerized Lambda Function

7
Comments
6 min read
A Gentle Introduction To Kubernetes

A Gentle Introduction To Kubernetes

26
Comments
6 min read
How AWS Lambda Works Under The Hood

How AWS Lambda Works Under The Hood

99
Comments 8
4 min read
XOR, bitwise XOR and using it to solve an algorithm challenge

XOR, bitwise XOR and using it to solve an algorithm challenge

8
Comments
5 min read
Setting up Jenkins to handle GitHub Pull Requests

Setting up Jenkins to handle GitHub Pull Requests

18
Comments 2
9 min read
Making good use of // @ts-expect-error in TypeScript

Making good use of // @ts-expect-error in TypeScript

20
Comments 2
4 min read
Using multiple working trees in Git

Using multiple working trees in Git

95
Comments 6
3 min read
Building a project with TypeScript, Express, Mocha and Chai

Building a project with TypeScript, Express, Mocha and Chai

45
Comments 2
7 min read
Try not to clutter your git history

Try not to clutter your git history

2
Comments
13 min read
You should consider adding more detail to your commit messages

You should consider adding more detail to your commit messages

54
Comments 4
7 min read
loading...