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What Are Some Common Mistakes That Beginners Make When Learning to Code, and How Can You Avoid Them?

Ben Halpern on March 02, 2023

Starting out as a beginner programmer is exciting, but it can also be overwhelming. Here are some common mistakes that beginners make when learning...
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Anthony Fung

For practice, sites like codewars.com/ might be useful. Lots of exercises without having to worry about how the big picture fits together.

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spO0q

These are valuable recommendations, but it might be unrealistic, somehow. Let's be honest, it's hard to practice without copy and pasting code.

Many beginners will do that just to make the thing work.

It's pretty much the same for testing or overcomplicating stuff. Nobody wants that, but how can you tell as a beginner?

IMHO, you need a good mentor, which is not easy to find, as mentoring is a special skill that is not necessarily proportional to the technicality. I know brilliant engineers who cannot understand some mistakes, simply because it does not make sense for them.

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Chris Greening

I spent an unfortunate amount of time under the illusion of productivity due to tutorial purgatory

I thought tutorial after tutorial was helping me and I felt really discouraged when it was time to write my own code and had no idea how to externalize what I thought I had learned. You can read a million books about driving a car but you're not going to know how to drive until you actually get behind the wheel and I wish someone told me that early on

I always tell beginners to of course do tutorials - they're great for getting started and learning what's possible - but to supplement it with project-based learning as quickly as possible even if their earlier "projects" are just small code snippets they write by themselves in a REPL

And on top of this to not be discouraged and to set expectations!

It's so easy to fall into the trap of "oh wow everyone on the internet says coding is so easy, why am I not understanding it immediately?" and that can be very frustrating/disheartening as a beginner. A journey of 10,000 lines of code begins with a single "Hello World" :~) and it's important to remember we were all writing our first line of code at some point. Just like any other skill it takes practice and consistency over time

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Dan Bailey

Amen to this! I'm in the process of exiting tutorial purgatory -- I decided my best option was to build a macro-scale project using everything I've learned thus far, and I'm now using tutorials to fill in the gaps in my knowledge. While I don't have the dopamine hit from finishing a course every so often, my daily progress toward a larger goal is keeping me motivated, and every time I unfuck a bug (which is frequent), I'm getting a pretty good rush.

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Richard Donovan

Good post πŸ‘

Here's a few other things to consider.

Similar to number 3, recognise that simplicity is actually a beneficial skill to be mastered. I can remember thinking at times, that's too simple, they'll think i'm stupid...

Focus on networking and building relationships, They'll help with encouragement, support and opportunity.

Don't just focus on code, your wellbeing should be your number one priority, including sleep, physical movement and mental rest.

Communication and collaboration are often big differentiators in our industry, Lean on them. You don't have to fall into the steroetype of working alone with your headphones on and not talking to people...

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Ingo Steinke, web developer • Edited

Don't overcomplicate / overthink is an important piece of advice and easier said than done! I regularly see tutorials and answers claiming that something is impossible or very complicated to achieve, which often turns out to be outdated (like it's not that complicated anymore) or misunderstood (like there has always been an easier way).

Advice: don't accept an overcomplicated solution. If you see something that seems to complex to understand, keep looking for an easier approach. Question your requirements, rephrase your google queries. Maybe there is a more elegant and simple solution once we redefine what it is that we actually want to achieve.

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Jon Randy πŸŽ–οΈ • Edited

For number 4 - I assume you're referring to automated testing? Otherwise the implication is that people write code and don't run it - which is bizarre.

If it is referring to automated testing, then I would have to say I disagree quite strongly. Automated testing is hugely overrated IMO - I've been a professional developer for approaching 30 years and have extremely rarely used it.

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Richard Donovan

🀣 You say it's bizarre, but I've seen this more often than you would imagine!

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Nicholas Stimpson

Of course it runs fine. I wrote it. I know there's no errors.

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Symon Michael

I think you have to realize you're a novice, embrace your mistakes and try to learn from them instead of trying to avoid them. Having said that, making the same mistakes over and over - now that should be avoided!

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DR

You always need to focus on learning the 10% that you'll use 90% of the time. It's totally correct that you shouldn't dig too deep until you learn the basics and are able to understand things like basic programs and most of some codebases.

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Neha

Don't get stuck in tutorial hell! Just start building something that you're interested and passionate about and of course this can be basic and then search up on internet/ask for help in communities when you get stuck. This is how you can truly learn coding and apply your knowledge from the start! :D

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Neha

Quoting what I posted on my Twitter account @NehaKatharina: "What helped me overcome my impostor syndrome was realizing that code & tech overall will always feel like I'm stuck in a dark endless forest. I'll never know every single thing about the forest but over time I get better and every developer gets better as they progress!!"

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Tobias

To add to your first point
You don’t always have to write code to practice.
Beginners should check out libraries they used.
Dig through (closed) issues to get more context or look at the code.
Maybe the opportunity presents itself to contribute, even if it’s just fixing a spelling mistake it’s worth it.