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Oliver Jumpertz

@oliverjumpertz

11 Aug

Git is by far the most used source control management tool out there.

It is basially an essential to know. And this justifies knowing a few of the most important git commands you need in your daily work.

Here are 19 that any developer should know.

A thread. ↓

1. Initialize a repository

git init is the most basic command.

It initializes a new repository in your current folder and starts the version control flow for your repository.

2. Clone a remote repository

You don't necessarily need to create a new repository.

Sometimes you just want to download an existing repository and contribute to it.

This is where git clone comes in.

Read 21 tweets

Oliver Jumpertz

@oliverjumpertz

6 Aug

Assumptions in software engineering are bad.

They are what you think but very often not what was really requested or expected.

By not asking questions, you put everything at risk.

This is a story of how assumptions nearly killed a multi-million dollar project.

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0. Foreword

I can't tell you everything because this is a story that really happened.

I would break several laws and NDAs by giving you names and too many details.

Still, I will do my best to give you this as an example of why you should turn assumptions into knowledge.

1. The story

Some time ago, a medium-sized financial software company got a contract to develop a multi-million dollar wealth management system for a European private bank.

Wealth management systems are software systems that automatically manage your money.

Read 31 tweets

Oliver Jumpertz

@oliverjumpertz

5 Aug

I regularly get asked which language or framework someone should learn.

Here is my advice for aspiring software developers, asking themselves the same question, unsure what to learn to enter the industry, as someone who works as a tech lead in the industry.

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1. You have two choices

You basically have two choices when deciding which language or framework you want to learn.

These choices are:

- Learn what's in demand
- Learn what you'd love to work with

Both choices bring advantages and drawbacks with them, and they will both extend and limit your opportunities.

But, it's also only a temporary choice. If you decide that you want to do something different later, you can still make the switch.

Read 21 tweets

Oliver Jumpertz

@oliverjumpertz

4 Aug

A super simple yet highly effective trick helps you increase your chances after tech interviews and keeps you a little safer:

The follow-up email.

A thread. ↓

1. What is a follow-up email?

A follow-up email is basically an email you send after a meeting.

You should usually send it within a day after that meeting.

This email gives you a chance to:

- Summarize what you understood or talked about
- Pick up points that were left undiscussed
- Give answers you promised to or couldn't deliver
- Ask additional questions
- Show overall more interest in the process

Read 19 tweets

Oliver Jumpertz

@oliverjumpertz

3 Aug

Did you know that there is a strategy that can make you 100% more likely to achieve your goals?

It is simple, yet highly effective, and it works for software developers learning how to code, for starters in business, and martekers alike.

A thread. ↓

1. Most people set goals

We all have dreams and goals.

- Learning how to code
- Earning a million dollars in a year
- Starting a highly successful business
- Finding our dream partner
- Closing a million-dollar deal
- Getting the promotion we deserve

There are so many goals out there that we couldn't count them all, even if we wanted to.

It's great to have goals because they are our drive. They make us leave our comfort zone and explore the unknown to reach them.

Goals lead to ambition. Reaching them is awesome.

Read 13 tweets

Oliver Jumpertz

@oliverjumpertz

2 Aug

I started to take Twitter seriously in March 2020.

Since then, I grew a community of over 30,000 awesome and unique human beings (and some bots).

Here are some lessons I learned along the way that might also help you.

A thread. ↓

1. You need a real goal

I'm not gonna lie. When I started, I thought to myself:

"Let's see how many followers I can get."

But this is not a great goal. There is no end to it.

After 1k followers come 2k, 5k, 10k, 50k, 100k...and so on.

This is a treadmill that is most likely going to lead to burnout.

You'll get depressed when there are days with super slow growth and become ecstatic when you have days with ultra growth.

And this goes on and on and on.

Read 40 tweets

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