How to Be More Productive as a Coder (Collection)

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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: 👇

  • Perl Developer Income and Opportunity

    Annual Income How much does a Perl Developer make per year? The average annual income of a Perl Developer is $98,000 according to PayScale (source). Let’s have a look at the hourly rate of Perl Developers next! Hourly Rate Perl Developers are well-paid on freelancing platforms such as Upwork or Fiverr. Related Article: What’s the … Read more

    ⭐ Full Tutorial

  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • PowerShell Developer – Income and Opportunity

    Annual Income How much does a Powershell Developer make per year? The average annual income of a Powershell Developer is between $93,000 (25th percentile) and $170,000 (75h percentile) with top earners making $170,000 per year and more according to Ziprecruiter (source): Let’s have a look at the hourly rate of Powershell Developers next! Hourly Rate … Read more

    ⭐ Full Tutorial

  • 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 … Read more

    ⭐ Full Tutorial

  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

    ⭐ Full Tutorial

  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

    ⭐ Full Tutorial

  • 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 … Read more

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  • 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). … Read more

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  • Bash Developer – Income and Opportunity

    Annual Income How much does a Bash Developer make per year? The average annual income of a Bash Unix Shell Script Developer is $74,000 according to Ziprecruiter (source). PayScale lists an even higher annual income for a bash developer of $80,000 (source). Let’s have a look at the hourly rate of Bash Developers next! Hourly … Read more

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  • 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 … Read more

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  • 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, … Read more

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  • 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: … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

    ⭐ Full Tutorial

  • 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 … Read more

    ⭐ Full Tutorial

  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

    ⭐ Full Tutorial

  • 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 … Read more

    ⭐ Full Tutorial

  • 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 … Read more

    ⭐ Full Tutorial

  • 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? … Read more

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  • 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). … Read more

    ⭐ Full Tutorial

  • 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 … Read more

    ⭐ Full Tutorial

  • 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 … Read more

    ⭐ Full Tutorial

  • 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 … Read more

    ⭐ Full Tutorial

  • 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 … Read more

    ⭐ Full Tutorial

  • 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 … Read more

    ⭐ Full Tutorial

  • 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 … Read more

    ⭐ Full Tutorial

  • 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 … Read more

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  • 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 … Read more

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  • 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, … Read more

    ⭐ Full Tutorial

  • 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 … Read more

    ⭐ Full Tutorial

  • 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 … Read more

    ⭐ Full Tutorial

  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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. … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • [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! ChrisWhile working as a researcher in distributed systems, Dr. … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 “+” … Read more

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  • 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). … Read more

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  • 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. … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • [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 … Read more

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  • 101+ Free Python Books

    Spending money on books is one of the best investments you can possibly make. But why should you? 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! Download Your Free PDF with all the links: How To Use This … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • The Ultimate Guide to Start Learning Python

    Are you looking for the best way of becoming a professional Python developer? After reading this article, you will have a crystal clear plan of how to start 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% … Read more

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  • 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. … Read more

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  • 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 … Read more

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  • 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). … Read more

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  • 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 … Read more

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  • [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 … Read more

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  • 7 Ways to Make Money as a Coder – Without a Job

    ChrisWhile working as a researcher in distributed systems, Dr. Christian Mayer found his love for teaching computer science students. To help students reach higher levels of Python success, he founded the programming education website Finxter.com. He’s author of the popular programming book Python One-Liners (NoStarch 2020), coauthor of the Coffee Break Python series of self-published … Read more

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  • 14 Unix Principles to Write Better Code

    “This is the Unix philosophy: Write programs that do one thing and do it well. Write programs to work together. Write programs to handle text streams, because that is a universal interface. […] ” – McIlroy This book chapter draft is original material drawn from my upcoming book “From One to Zero” to appear in … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • How to Use Flow to Be More Productive as a Coder

    “Flow is the source code of ultimate human performance” – Steven Kotler This is a chapter draft of my upcoming book “From One to Zero” with publisher NoStarchPress about minimalism in programming. The book will appear in 2021—stay tuned on my email list with lots of free Python content: In this chapter, you’ll learn about … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • Python Int to String with Leading Zeros

    To convert an integer i to a string with leading zeros so that it consists of 5 characters, use the format string f'{i:05d}’. The d flag in this expression defines that the result is a decimal value. The str(i).zfill(5) accomplishes the same string conversion of an integer with leading zeros. Challenge: Given an integer number. … Read more

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  • 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. … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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  • 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 … Read more

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