Over the years, I received thousands of emails from Finxters who are interested in a list of my “best” posts that concern the business and productivity side of computer scientists and programmers.
The following list is a curated list of the productivity related articles on the Finxter blog, ordered by recency: 👇
C Developer Income and Opportunity
Annual Income How much does a C Developer make per year? The average annual income of a C Developer is between $82,000 (25th percentile) and $113,000 (75th percentile) with an average of $100,000 and a top income of $128,000 per year according to Ziprecruiter (source). Let’s have a look at the hourly rate of C…
PHP Developer – Income and Opportunity
Annual Income How much does a PHP Developer make per year? The average annual income of a PHP Developer is $65,590 according to PayScale (source) ranging from $44k (10th percentile) to $97k (90th percentile). Let’s have a look at the hourly rate of PHP Developers next! Hourly Rate PHP Developers are well-paid on freelancing platforms…
R Developer – Income and Opportunity
Annual Income How much does an R Developer make per year? The income of an R Developer is $130,327 per year in the US according to Ziprecruiter (source) and $83,000 per year in the US according to PayScale. (source) The average of this reported income data is $106,663 per year. The top 10 highest paying…
Delphi Developer – Income and Opportunity
Annual Income How much does a Delphi Developer make per year? The average annual income of a Delphi Developer is between $55,284 and $95,369 according to Ziprecruiter (source). Glassdoor even reports an annual developer income of $108,809 in the US (source). Let’s have a look at the hourly rate of Delphi Developers next! Hourly Rate…
APL Developer – Income and Opportunity
Annual Income How much does a APL Developer make per year? The average annual income of a APL Developer is between $65,000 and $125,000 according to PayScale (source). Let’s have a look at the hourly rate of APL Developers next! Hourly Rate APL Developers are well-paid on freelancing platforms such as Upwork or Fiverr. Related…
Scala Developer – Income and Opportunity
Annual Income How much does a Scala Developer make per year? The average annual income of a Scala Developer is $119,000 according to PayScale (source). Ziprecruiter even reports an annual average pay of $141,810 for Scala developers. Here’s a more fine-grained income distribution per job title for Scala developers based on PayScale’s data: Let’s have…
C++ Developer – Income and Opportunity
Annual Income How much does a C++ Developer make per year? The average annual income of a C++ Developer is between $45,000 and $140,000 according to PayScale with an average of $67,473 in the US based on 31 salary reports (source). But Indeed.com reports an even higher annual C++ developer income of $116,925 based on…
Haskell Developer – Income and Opportunity
Annual Income How much does a Haskell Developer make per year? The average annual income of a Haskell Developer is $126,000 according to PayScale (source). Glassdoor reports an annual income range from $40k to $155k (source). And here’s the most frequent developer roles of Haskell developers: Let’s have a look at the hourly rate of…
Erlang Developer – Income and Opportunity
Annual Income How much does an Erlang Developer make per year? The average annual income of an Erlang Developer is between $110,000 (25th percentile) and $166,500 (75th percentile) according to Ziprecruiter (source). Let’s have a look at the hourly rate of Erlang Developers next! Hourly Rate Erlang Developers are well-paid on freelancing platforms such as…
Ruby Developer – Income and Opportunity
Annual Income How much does a Ruby on Rails Developer make per year? The average annual income of a Ruby Developer is $116,030 according to Indeed.com (source). PayScale reports an average income of $81,227 per year in the US ranging from $59k and $119k (source). However, here’s another source reporting even higher income levels: Let’s…
HTML Developer – Income and Opportunity
Annual Income How much does a HTML Developer make per year? HTML & CSS Developers make between $34,770 and $116,620 per year in the US with a median annual income of $64,970. (source) Here’s what the income distribution of HTML & CSS developers looks like according to PayScale—the average income reported by 10,176 developers is…
CSS Developer – Income and Opportunity
Annual Income How much does a CSS Developer make per year? HTML & CSS Developers make between $34,770 and $116,620 per year in the US with a median annual income of $64,970. (source) Here’s what the income distribution of HTML & CSS developers looks like according to PayScale—the average income reported by 10,176 developers is…
JavaScript Developer – Income and Opportunity
Annual Income How much does a JavaScript Developer make per year? The average annual income of a JavaScript Developer is between $62,000 and $118,000 with an average of $84,000 per year according to Daxx.com and PayScale (source). Let’s have a look at the hourly rate of JavaScript Developers next! Hourly Rate JavaScript Developers are well-paid…
Crystal Developer – Income and Opportunity
Annual Income How much does a Crystal Developer make per year? The average annual income of an SAP Crystal Reports Developer is $75,734 in the US according to Glassdoor (source). PayScale reports a slightly lower $72,645 average annual base salary of a Crystal developer—however, it also list some perks and bonuses worth $5,000 annually (source).…
LISP Developer – Income and Opportunity
Annual Income How much does a LISP Developer make per year? The average annual income of a LISP Developer is $100,000 according to PayScale (source) and between $54,500 and $103,000 according to Ziprecruiter (source). You can see the breakup for different developers in this screenshot (source): Let’s have a look at the hourly rate of…
Python Developer – Income and Opportunity
Annual Income An Python developer earns $65,000 (entry-level), $82,000 (mid-level), or $114,000 (experienced) per year in the US according to Indeed. (source) Python developers can go into a number of different niches such as software engineers, data scientists, or data analysts. Each niche pays differently. If you’re interested in how some of these niches pay,…
Julia Developer – Income and Opportunity
Annual Income The average annual income of a Julia Developer is between $47,000 (25th percentile) and $199,500 (75th percentile) with an average of $76,735 per year according to Ziprecruiter (source). Have a look at the following salary distribution table: Hourly Rate Julia Developers are well-paid on freelancing platforms such as Upwork or Fiverr. Related Article:…
Dart Developer – Income and Opportunity
Annual Income The average annual income of a Dart Developer is between $56,000 and $140,000 according to Ziprecruiter with an average of $87,820 per year. Hourly Rate Dart Developers are well-paid on freelancing platforms such as Upwork or Fiverr. Related Article: What’s the best freelancing platform? If you decide to go the route as a…
Swift Developer – Income and Opportunity
Annual Income The average annual income of a Swift Developer is between $93,000 (25th percentile) and $114,500 (75th percentile) according to Ziprecruiter (source). So, even if you’re a below average Swift programmer, you can shoot for six figures! Hourly Rate Swift Developers are well-paid on freelancing platforms such as Upwork or Fiverr. Related Article: What’s…
Node.js Developer – Income and Opportunity
Annual Income The average annual income of a Node.js Developer is between $96,000 (25th percentile) and $144,500 (75th percentile) according to Ziprecruiter (source). The average income is $113,791 per year—and top earners make up to $144,500 annually! Hourly Rate Node.js Developers are well-paid on freelancing platforms such as Upwork or Fiverr. Related Article: What’s the…
Go Developer – Income and Opportunity
Annual Income How much does a Golang developer make? The average annual salary of a US-based Golang Developer ranges between $111,000 (25th percentile) and $147,000 (75th percentile) with top earners (90th percentile) earning $156,000 (source). In Germany, a Golang developer can expect to make 72,000€ per year on average with a most likely range between…
F# Developer – Income and Opportunity
Annual Income F# software developers in the United States make between $38,000 and $219,000 according to Indeed with an average of $110,124 per year (source). 💡 Fun Fact: F# was even ranked as the programming language with the highest average salary in the world! (source) Hourly Rate F# Developers are well-paid on freelancing platforms such…
Kotlin Developer – Income and Opportunity
Annual Income The average annual income of a Kotlin Developer is $102,000 according to PayScale and averages between $113,000 to $147,000 per year according to Ziprecruiter. Top earners can even expect to make $158,000 per year resulting in a monthly pay of staggering $13,208! Here’s a screenshot of the Kotlin salary distribution table: Hourly Rate…
C# Developer – Income and Opportunity
Annual Income The average annual income of a C# Developer is $67,272 according to Payscale and $94,612 according to Ziprecruiter. In fact, the salary of C# developers can range from $47k to $106k as can be seen here: A more optimistic picture is drawn by PayScale: Let’s have a look at the hourly rate of…
SQL Developer – Income and Opportunity
Annual Income The average annual income of a SQL Developer in the US is $76,110 according to PayScale and $87,489 according to Indeed.com. The annual bonus will often reach up to $10k per year: Here’s another screenshot: Hourly Rate SQL Developers are well-paid on freelancing platforms such as Upwork or Fiverr. Related Article: What’s the…
Elixir Developer – Income and Opportunity
Annual Income The average annual income of an Elixir Developer in the US is between $94,000 and $131,500 according to Ziprecruiter (source). Top earners can expect to make $148,500 and more! Hourly Rate Elixir Developers are well-paid on freelancing platforms such as Upwork or Fiverr. Related Article: What’s the best freelancing platform? If you decide…
TypeScript Developer – Income and Opportunity
Annual Income The average annual income of a TypeScript Developer is $124,804 in the US according to Talent.com (source). Here’s a screenshot from their website: It is interesting to see the long-tail distribution where you can make much more than the average income as an experienced TypeScipt developer. Hourly Rate TypeScript Developers are well-paid on…
Rust Developer – Income and Opportunity
Annual Income The average annual income of a professional Rust Developer in the US is $180,000 according to Zdnet (source): Other sources find that the average Rust developer income is $106,750 per year: Hourly Rate Rust Developers are well-paid on freelancing platforms such as Upwork or Fiverr. Related Article: What’s the best freelancing platform? If…
Clojure Developer – Income and Opportunity
Annual Income The average annual income of a Clojure Developer is between $110,000 and $173,500 according to Ziprecruiter (source): Hourly Rate Clojure Developers are well-paid on freelancing platforms such as Upwork or Fiverr. Related Article: What’s the best freelancing platform? If you decide to go the route as a freelance Clojure Developer, you can expect…
HBase Developer – Income and Opportunity
Annual Income The average annual income of a HBase Developer is $125,000 according to PayScale (source): Hourly Rate HBase Developers are well-paid on freelancing platforms such as Upwork or Fiverr. Related Article: What’s the best freelancing platform? If you decide to go the route as a freelance HBase Developer, you can expect to make between…
Oracle Developer – Income and Opportunity
Annual Income The average annual income of a Oracle Developer in the United States is between $86,074 and $107,675 according to Salary.com with an average of $97,941. (source) Hourly Rate Due to the strong brand name, Oracle freelancers are well-paid on freelancing platforms such as Upwork or Fiverr. Related Article: What’s the best freelancing platform?…
Couchbase Developer – Income and Opportunity
Annual Income The average Couchbase salary ranges from approximately $87,504 per year for an Inside Sales Representative to $212,621 per year for a Senior Software Engineer (source). Hourly Rate If you decide to go the route as a freelance Couchbase Developer, you can expect to make between $20 and $120 per hour on Upwork (source).…
IBM DB2 Developer – Income and Opportunity
Annual Income The average annual income of a IBM DB2 Developer is $132,000 according to Glassdoor (source). Hourly Rate If you decide to go the route as a freelance IBM DB2 Developer, you can expect to make between $20 and $50 per hour on Upwork (source). Assuming an annual workload of 2000 hours, you can…
Cassandra Developer – Income and Opportunity
Annual Income The average annual income of a Cassandra Developer is between $110,000 and $145,500 according to Glassdoor (source): Hourly Rate If you decide to go the route as a freelance Cassandra Developer, you can expect to make between $30 and $70 per hour on Upwork (source). Assuming an annual workload of 2000 hours, you…
MySQL Developer – Income and Opportunity
Annual Income The average annual income of a MySQL Developer is between $87,828 and $149,975 according to Glassdoor (source): A more conservative range would be to reach an annual income between $70,000 and $139,000 within 2-4 years of education as a MySQL professional. Hourly Rate If you decide to go the route as a freelance…
Microsoft SQL Server Developer – Income and Opportunity
Annual Income The average annual income of a Microsoft SQL Server Developer is between $74,000 and $137,500 according to Ziprecruiter (source): Hourly Rate If you decide to go the route as a freelance Microsoft SQL Server Developer, you can expect to make between $20 and $60 per hour on Upwork (source). Assuming an annual workload…
SQLite Developer – Income and Opportunity
Annual Income The average annual income of a SQLite Developer is between $49,000 and $107,000 with an average of $64,977 per year according to PayScale (source). Hourly Rate If you decide to go the route as a freelance SQLite Developer, you can expect to make $25 per hour on Upwork (source). Assuming an annual workload…
MariaDB Developer – Income and Opportunity
Annual Income The average annual income of a MariaDB Developer is $85,000 according to Payscale (source). Hourly Rate If you decide to go the route as a freelance MariaDB Developer, you can expect to make between $20 and $99 per hour on Upwork (source). Assuming an annual workload of 2000 hours, you can expect to…
DynamoDB Developer – Income and Opportunity
Annual Income As a DynamoDB Developer, you can expect to earn between $70,000 and $160,000 per year according to Google (source). Hourly Rate If you decide to go the route as a freelance DynamoDB Developer, you can expect to make between $22 and $49 per hour on Upwork (source). Assuming these hourly rates and an…
Crypto Trading Bot Developer – Income and Opportunity
Annual Income The average annual income of a Crypto Trading Bot Developer is similar to algorithmic traders of $104,422 (source). However, due to the novelty of the industry, there’s little official data. If you assume an hourly rate of $50 and an annual 2000 hours worked, the annual income of a crypto trading bot developer…
Firebase Developer – Income and Opportunity
Annual Income The average annual income of a Firebase Developer is approximately $80,000 according to PayScale (source). Hourly Rate If you decide to go the route as a freelance Firebase Developer, you can expect to make between $25 and $50 per hour on Upwork (source). If you work for eight hours on a given day,…
Elasticsearch Developer – Income and Opportunity
Annual Income The average annual income of a US-based Elasticsearch Developer is between $90,000 (25th percentile) to $139,000 (75th percentile) according to Ziprecruiter. Top earners can make up to $165,000 annually (source). Hourly Rate If you decide to go the route as a freelance Elasticsearch Developer, you can expect to make between $25 and $80…
MongoDB Developer – Income and Opportunity
Annual Income The average annual income of a MongoDB Developer is $92,414 with a most likely range between $59,000 and $146,000 and a top earner income of $222,000 according to Glassdoor (source). Hourly Rate If you decide to go the route as a freelance MongoDB Developer, you can expect to make between $25 and $40…
PostgreSQL Developer – Income and Opportunity
Annual Income According to ZipRecruiter, the annual income of PostgreSQL developers is between $104,000 for the bottom 25th percentile, $133,000 for the 75th Percentile, and $171,500 for the top earners. The monthly pay ranges from $8,666 to $14,291 with an average monthly income of $10,052. Annual Salary Monthly Pay Top Earners $171,500 $14,291 75th Percentile…
Redis Developer – Income and Opportunity
Annual Income The average annual income of a Redis developer is $113,000 in the US according to PayScale (source). Hourly Rate If you decide to go the route as a freelance Redis developer, you can expect to make between $45 and $55 per hour on Upwork (source). ⚡ Note: Do you want to create your…
Blockchain Engineer – Income and Opportunity
Annual Income The average annual income of a Blockchain engineer is between $105,180 and $108,560 according to Glassdoor (source): Hourly Rate If you decide to go the route as a freelance Blockchain engineer, you can expect to make between $25 and $80 per hour on Upwork (source). ⚡ Note: Do you want to create your…
How to Create a Barrier of Entry for Your Freelancer or Software Business
The day will come. You have developed your first app and you’re looking for customers. Congratulations your app is open to the world! But there’s a problem. Not only your customers but your competition can see it too! And make no mistake: they will come and they will take it if you don’t do anything…
One Line of Code Every Day: A Powerful Habit
Today I want to propose a new habit for you which will ensure that you are on the path of continuous improvement in Python — on the path to mastery. Did you read the book “The Power of Habit” by Charles Duhigg? This Keystone Habit changed her life… The Pulitzer-Price-winning author talks about forming so-called…
Continuous Improvement in Python Programming
In this article, I want to discuss an important topic because it’s at the heart of what we are doing at Finxter. 💡 At the heart of Finxter is continuous improvement in computer science. For example, in my free email academy I deliver one piece of knowledge regarding Python, coding productivity and business, and computer…
What’s the Ideal Ratio Between Production and Consumption as a Coder?
Do you feel stuck, and you don’t improve as a coder anymore? The reason you are stuck in coding likely is that you don’t produce enough — you are consuming way too much. It’s an ugly truth, and I’m sorry if you feel offended. It’s nonetheless the reason why you feel stuck. The purpose of…
1-Year, 3-Year, and 10-Year Goals of 63 Coders in the Finxter Community
What are the short-term, mid-term, and long-term goals of coders in the Finxter community? Let’s find out! Overview Here are some meta stats about our survey: How Many? 63 survey respondents When? Survey date is January 2022 Who? Finxter Email List of people generally interested in programming Survey link: https://forms.gle/cbfCH9mxRYtH8SrS9 (feel free to participate before…
Proven By Science – Avoid Commute Time Like the Plague
What is the number one reason why you should consider working from home instead of working from where you work? The number one reason, I find, is commute time. Simply put: your life would be much better if you skipped commute time altogether. Before I show you some stats and scientific evidence, please allow me…
No Ads. 3 Hacks to Your Stress-Free Web Experience
They fund the web. Google is built on them. Facebook, Instagram, Reddit, and StackOverflow couldn’t keep the lights on without them. Even we at Finxter use them to fund our operation and create more helpful content. What am I talking about? … … ADVERTISEMENTS! 🤯😤😭 Yes, they may be needed to fund the web infrastructure.…
How to Earn $4000/M Passive Income as a Coder?
Everybody talks about passive income these days. Is it a scam? Yes and no. Nothing can exist passively for an unlimited time. Here’s what passive income really means: passive income is a more or less slowly dying income stream. But the idea is still powerful and transformative. And there are a lot of income streams…
Passive Income – What’s Your Treasury Reserve Strategy as a Freelance Dev?
To become successful in business, you must solve two problems: How do I get capital? How do I allocate capital? Your business success will depend on how you answer those two questions. If you have a large income but you spend it all on stupid things, you’ll fail. And if you have no income but…
[Killer Productivity] Your #1 Unfair Advantage as a Parent
Programmers with kids cannot code the whole night and sleep till noon. But they can still be productive! Watch the video to learn about the huge advantages of coders with kids… and if you’re a stressed-out parent with no time and zero energy left, don’t despair!
Pytest – A Complete Overview
Pytest is a popular test framework in Python. It helps to automate the test execution process and run unit tests as frequently as possible with minimal effort. Everyone who has at least some experience with computer programming would intuitively know that testing is critical when building a software application. But beginners often find it difficult…
How to Install Kite on PyCharm?
Kite is an intelligent code-autocompletion tool that helps you write source code faster and more efficiently. This short tutorial will show you how to install it in PyCharm. Open your PyCharm IDE with the latest PyCharm version. Go to File > Settings > Plugin. Search for “Kite” in the Marketplace tab. And click “Install”. Restart…
Do This to Reach Python Mastery (It’s Not What You Expect)
This article gives you the one actionable secret to Python mastery. You have to do only one thing: read it to the end. ? So let’s take a break from the daily whirlwind, shall we? Maybe you are currently coding, reading news, or learning to code. Take a step back to think about a much…
How to Install and Use Black in PyCharm?
Black is a PEP 8 compliant code formatter that will automatically improve your code file in terms of style and adherence to the Python standard. It’ll make your code more Pythonic! Install Black using PyCharm Menu To install Black in PyCharm, go to Settings > Project: Your Project > Python Interpreter > Click the “+”…
The Nature of Software Development
Developing software is a huge task which may easily overwhelm you. You need to learn not only the programming language itself, but also algorithms and algorithmic design. You need to master tools like Git (cheat sheets here), improve your debugging and testing skills, and improve your collaboration skills when working in teams (e.g. agile methods).…
Python IDLE vs PyCharm
This article shows you when to use which of my top two Python editors: IDLE and PyCharm. IDLE Best for Small Scripts In 90% of cases, I’m using the out-of-the-box IDLE editor to write small scripts and Python programs. It’s lightweight, simple, and provides basic functionality such as syntax highlighting in shell and Python files.…
5 Habits of Highly Effective Coders
Do you want to reach master coding level? This article gives you the five keystone habits of high achievers in the coding industry. These masters are not merely more productive than the majority of semi-professionals who cannot wait but going into the weekend so that they don’t have to look at source code for two…
5 Brag-Worthy Python Projects
Hacking Alexa’s Voice Recordings After David’s mother passed away, he wanted to hear her voice again. As she used Amazon Alexa, he figured, he could download the voice recordings from the Alexa device. But Amazon didn’t provide an interface for it. Fortunately he found this project online: [Cool Project] Hacking Alexa’s Voice Recordings After following…
Why should Software Engineers Learn Java?
What made the internet overflow with Java language courses and people searching every other second on Google? If you search for the term “learn Java”, you’ll end up with more than 160 million results. In this article, we’ll examine if this hype is a mere exaggeration or if you as a software engineer should consider…
The Best Blockchain and Cryptocurrency Freelancing Platforms
Can you earn money for cryptocurrencies? With the increasing adoption of cryptocurrencies such as Bitcoin, Ethereum, and Cardano, the question naturally arise: can you sell your services for cryptocurrencies BTC, ETH, or ADA instead of USD, EUR, or CHF? The answer is: YES. And it gets better: the main idea of the blockchain is to…
[FANG KILLER ICP] Will the Internet Computer Disrupt Big Tech?
What is the Internet Computer? The Internet Computer is blockchain technology and computing infrastructure initiated by the non-profit organization DFinity. Like the public Internet, the Internet Computer is a distributed computing platform consisting of thousands of connected and decentralized servers that host backend software. This idea mitigates the increasing monopolization of Internet services and enables…
101+ Free Python Books
Books remain great learning devices — even in the age of AI. But why spending money when you can get them for free? This article compiles a list of 101++ FREE Python books to destroy any excuse of not learning Python. Everyone can afford to read free books! Before I’ll give you the list, feel…
Writing Clean Code — Being a Professional [Cheat Sheet + Video]
Download the cheat sheet here (direct PDF download): Have you ever asked yourself, “What does it mean to be a professional?” This article is about being a professional software developer. It is based on the book, Clean Code by Robert C. Martin. All quotations are from this book. While reading this article, you will learn…
A Bird’s-Eye Perspective on Artificial Intelligence–Written by an AI
This article is contributed by our friendly AI from InferKit that uses a deep neural network to generate text automatically. I (human) guided the AI by proposing different subheadings that may be of interest to the reader. Surprisingly, there are many unique perspectives in the article—and some totally wrong “facts”. So, enjoy this fascinating demonstration…
The Ultimate Guide to Start Learning Python
Are you looking for the best way to become a professional Python developer? After reading this article, you will have a crystal clear plan for learning Python. You don’t need any programming skills for this plan to work. In short, you invest 70% of your learning time in practical projects and 30% in mastering the…
Best VS Code Cheat Sheet
Hey Finxters!! It is time for another cheat sheet!! Cheat sheets are super helpful if you are looking to become a Python freelancer. Some of the basics need to be condensed and learned quickly to get you on your way. You will also need to know the IDE you are working with and their shortcuts.…
Top 10 PyCharm Cheat Sheets
Hey Finxters! We all need cheat sheets for Python and all its intricacies. Python has many libraries and there are so many IDE applications you can use with it! One of these IDEs is called Pycharm! I want to introduce you to some of Pycharms shortcuts! Let’s get started right away! Full PyCharm Tutorial Finxter…
Less Is More in Design
This chapter draft from my upcoming book “From One to Zero: Minimalism in Programming” will appear in revised form in 2021 with NoStarch (SanFrancisco). Stay tuned for updates on the book launch: In this chapter, you’ll enter a vital area in computer science that greatly benefits from a minimalistic mindset: design and user experience (UX).…
My Business and Coding Book Recommendations
“Readers are leaders.” Many Finxters seek mentorship—and write in asking me for book recommendations. I read about one business or programming book per week and this simple habit has completely transformed my life. In this article, I’ve compiled my top list of business and programming books—ordered by how great I think the book is. All…
[Collection] 10 Scikit-Learn Cheat Sheets Every Machine Learning Engineer Must Have
Do you need a little help learning Scikit-Learn in Python? Or maybe you just finding it hard to remember all the different commands to perform different operations? All of those formulas can be confusing and hard to remember. Have no fear!! I have put together 10 of the Best Python Scikit-Learn cheat sheets for you…
7 Ways to Make Money as a Coder – Without a Job
How To Execute a File Within the Python Interpreter
No matter the stage of your Python development career, you probably already appreciate the importance of running and testing your code. This is the only way to ensure it works as planned and does what you need it to do. But how do you actually run scripts and code? This article will give you a…
Python eval()
This tutorial shows you how to use Python’s built-in eval() function. Why Using It? The main application of eval() is to take user input at runtime and run it as a Python expression. This way, you can create a calculator or allow users to perform custom computations on a computing cluster. However, this use also…
A Chat Conversation with OpenAI About Teaching, Programming, and Life
The following is a conversation with an AI assistant. The assistant is helpful, creative, clever, and very friendly. Human: Hello, who are you? AI: I am an AI created by OpenAI. How can I help you today? Human: My name is Chris, and I’d love to teach people to code. AI: I would recommend the…
Captive User Interfaces — Why You Should Avoid Them
This tutorial shows you the meaning of captive user interfaces and why they’re discouraged under the Unix philosophy. I’ve written this as a first chapter draft for my upcoming book “From One to Zero” to appear in 2020 with San Francisco-based publisher NoStarch. What’s a Captive User Interface (CUI)? A captive user interface is a…
Python exec() — A Hacker’s Guide to A Dangerous Function
Python’s exec() function executes the Python code you pass as a string or executable object argument. This is called dynamic execution because, in contrast to normal static Python code, you can generate code and execute it at runtime. This way, you can run programmatically-created Python code. Have you ever wondered about the limits of a…
Unix Heros: Celebrating 8 Pioneers to Change Computing Forever
The family of Unix operating systems emerged in the late 1970s when Bell Systems made the source code of its technology open to the public. In the subsequent decades, universities, individuals, and corporations developed a multitude of extensions and new versions. Today, Unix is a trademarked standard that ensures that certain quality standards are met…
How to Run Python Without Installation?
Python is ranked as the second most popular programming language in the Tiobe index according to Zdnet.com. Python has gained popularity among the growing tech areas of machine learning and data science—and it has a simple, elegant syntax that is easy to learn. If you want to start learning Python—or you sit on another computer…
Premature Optimization is the Root of All Evil
This chapter draft is part of my upcoming book “The Art of Clean Code” (NoStarch 2022). You’ll learn about the concept of premature optimization and why it hurts your programming productivity. Premature optimization is one of the main problems of poorly written code. But what is it anyway? Definition Premature Optimization Definition: Premature optimization is…
Show Don’t Tell: Commenting Python Best Practices
This tutorial taken from my upcoming programming book “From One to Zero” (NoStarch, 2021) will show you how to write great comments. While most online tutorials focus on a bullet list of commenting tips, we dive deeper into the meat exploring the underlying reasons for the commonly recommended commenting principles. So, let’s get started! Code…
Freelance Developer – How to Code From Home and Earn Six Figures [Industry Report]
What keeps you going day after day? Your motivation is the most important building block of your success. In the following, I’d like to give you some fact-based motivation why creating your coding business online can easily be the most rewarding decision in your life. Yet, motivation is not everything. If you want to make…
Python’s Breakpoint() Function
Writing code in Python is not always an easy task. Often writing “perfect” code without any errors is nothing more than a coder’s daydream. Allow me to introduce you to a little function programmers use to debug their code called the breakpoint() function. Now there are several tools a programmer can use in their coding…
Minimum Viable Product (MVP) in Software Development — Why Stealth Sucks
This chapter from my upcoming book “The Art of Clean Code” (NoStarch 2022) teaches you a well-known but still undervalued idea. The idea is to build a minimum viable product (in short: MVP) to test and validate your hypotheses quickly without losing a lot of time in implementation. In particular, you’ll learn how to apply…
Python Function Call Inside List Comprehension
Question: Is it possible to call a function inside a list comprehension statement? Background: List comprehension is a compact way of creating lists. The simple formula is [expression + context]. Expression: What to do with each list element? Context: What elements to select? The context consists of an arbitrary number of for and if statements.…
How to Generate Text Automatically With Python? A Guide to the DeepAI API
Do you want to enrich your Python script with powerful text-generation capabilities? You’re in the right place! What does it do? I just discovered DeepAI’s API that automatically generates a body of text, given a sentence fragment or topic keyword. How can it be used? You can use this as a basis to generate text…
Pandas NaN — Working With Missing Data
Pandas is Excel on steroids—the powerful Python library allows you to analyze structured and tabular data with surprising efficiency and ease. Pandas is one of the reasons why master coders reach 100x the efficiency of average coders. In today’s article, you’ll learn how to work with missing data—in particular, how to handle NaN values in…
How to Be a Freelance Developer in Germany
Being a Python freelancer is a new way of living in the 21st century. It’s a path of personal growth, learning new skills, and earning money in the process. But in today’s digital economy, becoming a Python freelancer is – above everything else – a lifestyle choice. It can give you fulfillment, flexibility, and endless…
Leaving the Rat Race with Python [PDF Free Download]
Book: Leaving the Rat Race with Python Subtitle: How to Nurture, Grow, and Harness Your Work-From-Home Coding Business Online, and Live the Good Life Authors: Dr. Christian Mayer & Lukas Rieger Direct download link: https://drive.google.com/file/d/11cgTvjU8uVYQH0JxEwY-NcnFlJ1Xzw1r/view?usp=sharing File Format: PDF (100 pages) Description: This practical how-to book will help you nurture, grow, and harness your new online…
Freelance Software Development in the United States (US)
The next disruption is about to happen in the freelancing space. Freelancing platforms such as Upwork and Fiverr grow double-digit per year. But what if you’re living in the US? Is freelancing still a great opportunity for you—given the worldwide competition? How much can you earn in the US? In this article, we’re going to…
How Many Freelance Developers Are There in the US?
How many freelance developers are there in the US? There’s no official and precise answer. However, based on three credible sources—Upwork, Freelancer Union, McKinsey—I calculated an estimation stemming from each source. Here are our estimations for the number of freelancers based on three independent data sources: Upwork Data: 12,500,000 freelance developers in the IT sector.…
Freelance Developers, Specialize! 44 Profitable Niches for Coders
As a freelance developer, many routes lead to success. But this doesn’t mean that you shouldn’t decide which route to take and stick to it! Quite contrarily, the worst is to be a jack-of-all-trades—a freelance developer who doesn’t have the guts to focus on one specialized skill set. Specialization is critical for your success as…
Freelance Developer LLC — Is It Smart For You?
Should you create an LLC as a freelance developer? In this article, you’ll learn about which clothes your freelancing business should wear. Make no mistake—choosing the right business entity matters. And informing about this question by reading articles like this one may be one of the most important decisions in your professional life. Short answer:…