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Jan Wedel profile picture

Jan Wedel

Senior Software Developer + Group Lead + Father + Musician + Loves Technology

Location Berlin Joined Joined on  Twitter logo GitHub logo External link icon
Education

M.Sc Electrical Engineering

Work

Senior Software Developer at Bosch Connected Industry

Last 250 Comments

re: Head start with Testing in Angular with Jasmine
We’ve had a lot of issues with Karma and Protractor in a very...
re: Unit Testing in Angular. To TestBed or NOT to TestBed
We are also on that same path. We were used to writing tests ...
re: YYYY vs yyyy - The day the Java Date Formatter hurt my brain
Parsing dates with patterns is like parsing emails or HTML. U...
re: Learn Javascript through a Game
Great game you did there and nice post! Snake was the big thi...
re: How 4 lines of Java code end up in 518772 lines in production.
This is an interesting experiment you did there and yes it sh...
re: Metaclasses in Python
It goes even further. A long time ago, I wrote a Python inte...
re: Are you a "confident" developer?
I am confident when my tests are green.
re: 10 Questions I'm Asking All Companies Before Scheduling Any Interviews
That’s absolutely right. I’m not sure if you are sending them...
re: Software Made Simple
I think the short section about simple code cannot be stresse...
re: A Gentle Introduction to Test-Driven Development: Creating an Object Validator
Always good to see someone spread some TDD love ❤️ I was ju...
re: Tips for Programming with a low end PC.
At home, I still have a 2012 MacBook Pro upgraded to 4GB RAM ...
re: 8 SCSS Best Practices to Keep in Mind
Great hints, thanks for that! One general note regarding 7.:...
re: When are you happiest as a coder?
Doing TDD up to the point where the last line of implementati...
re: It's my birthday!
Congratulations! 🎊🎉 Building something on your own with no ...
re: When things are back to normal, will you be working from home or in an office?
I have mixed feelings. I enjoy not having to commute and I l...
re: Music or No music while coding?
I only listen to music (without lyrics, Jazz mostly) when the...
re: TDD in Angular - Dependency Injection and Mocking
Looking forward to that!
re: TDD in Angular - Dependency Injection and Mocking
When you say backend, do you mean your services or your actu...
re: TDD in Angular - Dependency Injection and Mocking
I mean things like: mapping a backend model (which is retur...
re: TDD in Angular - Dependency Injection and Mocking
Yeah, mostly yes. But you’d still have mappings from backend ...
re: TDD in Angular - Dependency Injection and Mocking
I am struggling with TDD in Angular ever since I have started...
re: Senior front end dev here, ask me anything!
Hmm, maybe I should give VSCode a try... :) I'm using Intel...
re: Senior front end dev here, ask me anything!
Thanks for your reply. I was not so much talking about code...
re: Senior front end dev here, ask me anything!
As a backend Java developer that is also doing frontend, I am...
re: Why Code Reviews Shouldn't Exist
Exactly what I thought! We only do reviews when we don’t hav...
re: What is Deno? Will it replace Node.js?
Great post, as Java backend dev that also does frontend too, ...
re: One thing led to another and I built my own static site generator today
Can you explain what you mean by “partial”. I mean, I see the...
re: Containerize A Spring Boot App with Docker
And yes, all dependencies will be inside the one app.jar. Thi...
re: Containerize A Spring Boot App with Docker
They copy the built spring boot executable jar file from the ...
re: Type-Safe Error Handling In TypeScript
Yes, that's nice. There are a couple of functional languages ...
re: ⭐️🎀 JavaScript Visualized: Promises & Async/Await
Thanks, those are awesome visualizations and explanations! I ...
re: Are you coding more in your spare time due to COVID—19?
Seems to be that a lot of people here don’t have kids. I'...
re: Mech Keebs 101 - Customising a keyboard
I was thinking about buying one and closed the web page aft...
re: Remote Mob Programming
Yes, it definitely is :) I’ve listened to a talk by your c...
re: Nevertheless, Nadya Coded 2020
Thanks for sharing your story! Nobody should feel bad to ...
re: What is a unit test
I’ve worked in such scenarios like customer projects and th...
re: What is a unit test
Great to hear pushing testing which unfortunately gets less...
re: 10 Skills Java Programmer can Learn to Accelerate their Career
In other words, "1 million of lemmings can't be wrong". ...
re: 10 Skills Java Programmer can Learn to Accelerate their Career
From my experience, building business applications in vertx...
re: 10 Skills Java Programmer can Learn to Accelerate their Career
So first: Everyone should be happy with whatever feels right....
re: Why You Should Do Coding Dojos
Great to hear that! Feel free to ask me if you need any hel...
re: Questions to Ask Your Engineering Team
Great questions! I would also ask: How and What do you t...
re: Top 10 Most Popular Programming languages and their Creators
Thanks for this collection. It would have been great to lea...
re: 🎉5 Dev skills that will boost your salary in 2020
I was thinking a bit, if „new emerging technology“ equals „...
re: Java is Dead - Long Live Java
Yeah, sometimes I also get frustrated about IntelliJ but th...
re: Java is Dead - Long Live Java
Sounds like a good plan to me 😊👍
re: Java is Dead - Long Live Java
Did you use Ultimate or community version? The latter certa...
re: Java is Dead - Long Live Java
Ok, that sounds pretty bad. Usually, the best idea is to ke...
re: Java is Dead - Long Live Java
Great summary 👍
re: Java is Dead - Long Live Java
How can I join? 💰💰💰
re: Java is Dead - Long Live Java
Yeah, maybe that’s a nice way to sneak in new language to j...
re: Java is Dead - Long Live Java
As I said, it's actually not a problem that other languages a...
re: Java is Dead - Long Live Java
Very well put!
re: Java is Dead - Long Live Java
Wow, I can sense a lot of frustration from your comment. I ...
re: Java is Dead - Long Live Java
Record types are basically syntactic suger. If you want to ...
re: Java is Dead - Long Live Java
First, there are couple of talks on YouTube if you want to ...
re: Java is Dead - Long Live Java
I was just assuming that... As mentioned in one comment abo...
re: Java is Dead - Long Live Java
I've worked with a couple of IDEs so far, Visual Studio (ve...
re: Java is Dead - Long Live Java
Yes, coroutines are a way to implement synchronous looking ...
re: Java is Dead - Long Live Java
Thank you, looking forward to your article.
re: Java is Dead - Long Live Java
Funny thing is, I forgot to mention that I’m doing Typescri...
re: Java is Dead - Long Live Java
Thanks for this comment, that was exactly my point.
re: Enterprise Software Development
Hi, and thanks for writing that. Could you explain what the...
re: Using the new Azure SDK for Java to upload images asynchronously, using Spring Reactor
In my opinion, this is best suited in a microservice archi...
re: Making 'The Matrix' Effect in Javascript
Nice work. I don’t recall the exact matrix effects, but I t...
re: Confirmation Bias: How your brain wants to wreck your code
We don’t have QA testers and I don’t think this is really n...
re: Is it possible to get relevant industry experience on your own (not through working at a company)?
I have been thinking about this a bit and there are a lot o...
re: Is it possible to get relevant industry experience on your own (not through working at a company)?
Nice comment, there are a lot of great advices in there!
re: Should interviewees be allowed to search for answers?
I never do coding challenges in interviews, so no need to l...
re: How many programming language years old are you?
I am Basic years old.
re: Unhealthy Code: Primitive Overuse
There are a couple of good examples here! One thing that I ...
re: Reactive Programming is not a Trend: Why the Time to Adopt is Now
Reactive programming is a more efficient way to code and h...
re: How to write a Frontend Web Developer Resume?
Although you specifically asked for a resume, in Germany a ...
re: 10 simple Linux tips which save 50% of my time in the command line
Hi, and thanks for the article! I love those shell short cu...
re: A use case for TypeScript Generics
You can see it in the dom, that all form values are strings...
re: A use case for TypeScript Generics
In my case, it was an input element that was bound to the c...
re: A use case for TypeScript Generics
Great write up, thanks! I’m recently doing more and more ty...
re: Tips For Validating HTML Form Inputs
I think the type field is very important to allow the brows...
re: 5 Powerful Programming Languages to Stretch Your Brain
When I read the title, I immediately thought „Erlang“ and „...
re: Why developers are SO sh*t at estimating!
Maybe you have to work on your communication, too. If it’s ...
re: Things You May Not Know About Freelance Web Development Pricing
Thanks for your article! This is really important especial...
re: Why developers are SO sh*t at estimating!
It’s important, that when you need to fix estimates in a te...
re: The Big O Notation - An Introduction
Yes, I think the key point is that after some good or bad e...
re: The Big O Notation - An Introduction
Thanks for this article, those are good and easy examples! ...
re: Should we form a labor union?
In Germany, we call it “social market economy”, so it doesn...
re: What’s the best JavaScript framework?
How do you know?
re: What are your computer’s specs? Which specs are particularly important to you?
Mid 2009 MacBook Pro, replaced HDD by 256GB SSD and 32GB RA...
re: I am lucky, you are not.
This is important. It can even be expanded to another impor...
re: Kubernetes for everyone ☸️💡🎉
Hmm, I'm working with Docker and compose for a year or two ...
re: Angular Architecture Patterns and Best Practices (that help to scale)
We were just discussion how to properly design and cut a la...
re: Angular Architecture Patterns and Best Practices (that help to scale)
I was thinking the same... would be great to see a working ex...
re: Boost your Productiveness with RegEx (a little)
Haha, I‘m glad my article could help! 😊
re: Boost your Productiveness with RegEx (a little)
It depends on the circumstances and requirements but I’d st...
re: Boost your Productiveness with RegEx (a little)
Glad it helps. There are certainly more things to explore a...
re: Boost your Productiveness with RegEx (a little)
Thanks 🙏 Since I would not consider myself as an expert, I...
re: Boost your Productiveness with RegEx (a little)
Thanks, I will have a look! Looks like you’ve started a mar...
re: Boost your Productiveness with RegEx (a little)
BTW, I just added a disclaimer, just in case what I wrote h...
re: Boost your Productiveness with RegEx (a little)
Thanks for your advise. I absolutely share your views, so I...
re: The Fear of Effectiveness
Yes, maybe. But it’s never a good advice to make decisions ...
re: The Fear of Effectiveness
Yes, absolutely. This is probably the same behavior when pe...
re: The only way to improve your CSS game👩🏾‍🎨
I would really like to know why it’s so hard for developers...
re: It’s Okay to Test Private Methods
Hmm, why not refactor the class then? If it’s untested lega...
re: It’s Okay to Test Private Methods
Some good arguments have already been made here: TDD your c...
re: How to understand Angular using the Documentation
The Angular tutorials are pretty good from a content perspe...
re: If you are front-end dev - how do you keep yourself concentrated on grooming when BE guys discuss their technical details?
In our situation it’s pretty much the same, we have Angular...
re: If you are front-end dev - how do you keep yourself concentrated on grooming when BE guys discuss their technical details?
We decided to go Full-Stack. Backend Devs learned Frontend ...
re: Functional JavaScript - Functors, Monads, and Promises
Great examples! The funny thing is, everything I read somet...
re: Tell me a bug story
I’ve already posted my debugging some time. It about how we...
re: dev.to Proofreading Community
Hmm, this is up to the author, isn’t it? I mean, anyone cou...
re: A Step-by-Step Guide to Hosting Inclusive Developer Meetups or Events In Your Office
I would have a look the color inverse mode aka pseudo dark ...
re: A Step-by-Step Guide to Hosting Inclusive Developer Meetups or Events In Your Office
Yes, I guess it’s one of those things where at first you th...
re: A Step-by-Step Guide to Hosting Inclusive Developer Meetups or Events In Your Office
Yep, certainly, there could be a list of some emojis that n...
re: A Step-by-Step Guide to Hosting Inclusive Developer Meetups or Events In Your Office
Wow, thank you for this VERY detailed and great post. There...
re: A Step-by-Step Guide to Hosting Inclusive Developer Meetups or Events In Your Office
✔️Looks bad on dev.to dark theme 😉
re: RFC: JSONx Framework
Thank for your elaborate answer! You’re right, OpenAPI is ...
re: RFC: JSONx Framework
Hi, first, thanks for your post. It looks like a lot of wor...
re: Type-Safe Error Handling In TypeScript
Actually you can do something similar: blog.logrocket.com/...
re: Type-Safe Error Handling In TypeScript
Would be great if typescript allows pattern matching, then yo...
re: Create A Dark/Light Mode Switch with CSS Variables
Great post. I would love to add a Dark theme to my website,...
re: Top 10 Java Automation Test Frameworks and Libraries You Can Learn in 2020
Definitely Mockito. If you need to use PowerMock you’re pro...
re: Top 10 Java Automation Test Frameworks and Libraries You Can Learn in 2020
Hey, no, Hamcrest is a Matcher Library, AssertJ is an asse...
re: Top 10 Java Automation Test Frameworks and Libraries You Can Learn in 2020
Hi, good list of useful tools. One thing you seem to have m...
re: How I made a web scraper because LinkedIn
You seem to have accidentally enabled your Caps lock...
re: Data Type Conversions in Java
Yeah, I know but there is no single formatter that supports...
re: Data Type Conversions in Java
Oh, and to be clear, I’m not talking about efficiency. I’m ...
re: Data Type Conversions in Java
I also agree with you, but since ISO time stamps are so com...
re: Data Type Conversions in Java
Hi, thanks for the article. One important addition to your ...
re: Supervisor Intensity, what is it?
Thanks for the example. I remember sometimes the port is oc...
re: Supervisor Intensity, what is it?
Thanks for the article! So how did you eventually configure...
re: Stop using so many divs! An intro to semantic HTML
Great article! Will replace all divs in my personal blog by...
re: GIVEN my article WHEN a reader reads it THEN the reader writes better tests
I like the idea of given/when/then but I don’t like to use ...
re: Kotlin: No more boilerplate in my POJOs
Although I like Kotlin because of great features like Corou...
re: Quarkus: Introduction of New Method for Quickly Launching Java applications on Container
Did you plan to add any information here? 😊 I was also abo...
re: What’s an unpopular software opinion you have?
Thanks! I would say: Good points. So it’s more about the ...
re: Stop Doing Coding Tutorials
I don’t know, I’ve never had any problems with tutorials. Usu...
re: What’s an unpopular software opinion you have?
I’ve used a couple of those languages as well and it is obv...
re: What’s an unpopular software opinion you have?
After working with docker and compose in several projects, ...
re: What’s an unpopular software opinion you have?
It’s definitely sexy, especially with a dark theme. 😎
re: What’s an unpopular software opinion you have?
For everything that goes beyond one code base, I’m in. DRY ...
re: What’s an unpopular software opinion you have?
Have you tried any others? 😎 No, seriously, I’d like to kn...
re: What’s an unpopular software opinion you have?
I often recognized that Juniors “just” lack of confidence, ...
re: What’s an unpopular software opinion you have?
😱...🤗
re: What’s an unpopular software opinion you have?
Generally, it would be good to explain your statement a bit...
re: What’s an unpopular software opinion you have?
...if you have a proper IDE.
re: Dark (lang) - removing accidental complexity of programming
This definitely sounds interesting. However, I think they h...
re: Enterprise Software Development
Hi, we use Sonatype iQServer (formerly CLM Server). And ye...
re: Do You Remember Your First Coding Experience?
I think we actually won 5 Deutsche Mark once back then... ...
re: Do You Remember Your First Coding Experience?
I was about 11 years old when I got an old computer with a ...
re: Vert.x Kotlin Coroutines
Sure, here it is: return.co.de/blog/articles/vertx-b... Th...
re: Vert.x Kotlin Coroutines
Amongst other issues, callbacks were the main reason not to...
re: The book every programmer should read
There’s surely a lot to learn, but juniors are actually abl...
re: The book every programmer should read
Hmm, interesting. Actually it’s among my personal top 3 of ...
re: Using Python Functions As Classes
Oh no, I only wrote an interpreter that executed precompile...
re: Using Python Functions As Classes
I‘ve written a Python interpreter in Java once where I lear...
re: Get Started With TypeScript in 2019
Hi, great summary! Thanks for writing, I will keep it in my...
re: Is 2019 the year of TypeScript?
TypeScript is the one reason that made me start writing Fro...
re: The Rise of Microsoft Visual Studio Code
That is very interesting. During my career, i saw a lot of ...
re: Interview with Ben Ilegbodu: Three Things That Compose Seniority
Leadership is definitely one of the most important things i...
re: Java Data Structures
Thanks for the interesting article. Usually, I tend to use ...
re: Enterprise Software Development
Thanks for the clarification!
re: Enterprise Software Development
Actually we’re a small part of a huge company. Our business...
re: Enterprise Software Development
This depends on the product, service and BE/FE. Our team al...
re: Enterprise Software Development
Thanks for the insights. We actually don’t have anyone dedi...
re: Enterprise Software Development
Could you go into more detail about how you automate the cr...
re: 20 Tricky ES6 Interview Questions to Revamp Your JavaScript Skills
Great post! I personally don’t care that much about interv...
re: When programming on a laptop: Mouse or Trackpad?
I use the keyboard for almost every shortcut that I can rem...
re: Implementing Impersonation
This article emphasizes one important concept: Security by ...
re: Things Nobody Told Me About Being a Software Engineer
That’s why you should Write a failing test Make the test g...
re: Stop trying to be so DRY, instead Write Everything Twice (WET)
I agree, naming is hard. But it’s usually worth it. In my t...
re: Stop trying to be so DRY, instead Write Everything Twice (WET)
I think you forgot to mention important point when it comes...
re: Skills That Everyone Thinks Web Developers Have
I guess that actually applies to a lot of professions. Befo...
re: Dev.to Review #10: Top 7 Of The Week, Discussed
Great! I heard a couple of podcasters use Zoom devices whic...
re: Dev.to Review #10: Top 7 Of The Week, Discussed
Just listened to it on my Podcatcher, Great way to learn ab...
re: Show off your stickers!
❤️Berlin
re: Dev.to Review #8: Top 7 Of The Week, Discussed
Great news! Sure I will!
re: Let's make SpringBoot app start faster
Nice comparison. Would be great to undestand what those flags...
re: Dev.to Review #8: Top 7 Of The Week, Discussed
Well said! 👍 And kudos to the idea for the pocdast. I alway...
re: Dev.to Review #8: Top 7 Of The Week, Discussed
Thanks for having my post discussed in your podcast! It’s a...
re: Changelog: Post Analytics Available for All
Great! Awesome feature. 🦄🦄🦄
re: The Three Stages of a Developer
Yeah, but I would not write something three times in parall...
re: The Three Stages of a Developer
That’s an unexpected but most welcome compliment to a nerd ...
re: The Three Stages of a Developer
And to make it absolutely clear: Code duplication in one Co...
re: The Three Stages of a Developer
Yes. I also know experiences developers that occasionally w...
re: The Three Stages of a Developer
I think every phase has its value. So enjoy it! My first ph...
re: 5 Factors for Effective Teams
It’s actually from the research results so I didn’t double ...
re: 5 Factors for Effective Teams
The thing is: I have the feeling that the wrong people tend...
re: The Three Stages of a Developer
Thanks Ben, indeed a great talk! Fun fact: Chad now works ...
re: The Three Stages of a Developer
You made some very good points here that first underline th...
re: The Three Stages of a Developer
Well put! Do you think that when you have experienced it on...
re: The Three Stages of a Developer
After "making own framework", most probably "framework" com...
re: The Three Stages of a Developer
Thanks for the feedback! Yes, I read about it some time ago...
re: How to create simple rest apis with springboot
BTW, Lombok is also available at start.spring.io ! Just typ...
re: Modern Java Development is Fast
Just saw the broken formatting starting at the Lombok secti...
re: How to create simple rest apis with springboot
Always good to see some Java love around here 😊 Two recomm...
re: What was your TDD aha moment?
Same here. Was implementing an embedded client of a client/se...
re: What tools do you use for writing?
I love Sublime Tex, so I use it :) Together with markdown p...
re: Why I love Java
Fun fact: Java is not a pure object oriented language. int,...
re: Java is too old, What should you learn in 2018?
Although I find fanboy teenage view a bit harsh to say, I ha...
re: Do you copy and paste code from Stack Overflow?
Huh, ich just read the license: BY -> Attribution requir...
re: Do you copy and paste code from Stack Overflow?
Wow, I actually searched the page once for license informat...
re: Do you copy and paste code from Stack Overflow?
No I use the concepts. And actually, if you do so, you vio...
re: My solution is the best!
First, there are always trade offs for every set of two giv...
re: How to organize your git branches
We’ve also used both for a team of 6 and Feature branches o...
re: New Web Framework?
A spring boot app with 1000s of beans and component scannin...
re: Everything That's Not Tested Will Break
Hi! That might be your reason but it’s definitely not all ...
re: 39 No Frills Keyboard Shortcuts every Developer Should Know About
I love shortcuts! I have one or two for you: [WIN] + [SHIF...
re: Go 2 Draft: Error Handling
Thanks for your elaborate reply. Maybe I shouldn’t do this...
re: Go 2 Draft: Error Handling
Although I’m not a go developer I love to check out new lan...
re: How I learned to love unit testing
Great article about the journey to embrace testing. I’m als...
re: The Magical Password
Yes. I usually try to follow my own advice. But in this cas...
re: The Magical Password
Thanks! I’m glad you liked it! 😊
re: My Favorite Command-Line Shortcuts
That's pretty awesome. I didn't even know that there is eve...
re: When is your code 'good enough'?
I develop test-driven. That means, the simplest code that m...
re: My Favorite Command-Line Shortcuts
I love keyboard shortcuts so thanks for sharing! And you’re...
re: Pros/Cons of transitioning from SDE to SDM of your own team
I had a similar experience by getting asked to manage the t...
re: dev.to is now open source
Great move! Open source for a great and open community :) ...
re: Exercise: Making a Simple Regex Engine
<3 for using Erlang. Although it may look strange people...
re: Why You Should Start Using JUnit 5
Ha! That's a very good question that I just recently asked ...
re: Why You Should Start Using JUnit 5
I don't know.
re: Why You Should Start Using JUnit 5
Yep, you are right. I was looking at this from a spring-b...
re: Why You Should Start Using JUnit 5
Honestly, I don't really understand your point. Sure, func...
re: Why You Should Start Using JUnit 5
First, it's not necessary but your IDE will probably warn y...
re: What are the dos and dont of building a startup as a developer?
Some lessons I’ve learned from a start-up I worked at which...
re: Why Your Technical Blogs Belong On Dev.to
This truly an amazing place for developers. I still have my...
re: Why I love hiring Junior engineers
That is absolutely true. Just one thing: Make sure to have th...
re: Why doesn't my code work?
There are some useful tips in there, but the most important...
re: Importance of diagrams
Not very often. We use use for some very important things l...
re: Does your team write code tests for front-end code?
Absolutely yes. With typescript and angular, it’s pretty ea...
re: Don't Drink Too Much Reactive Cool Aid
The cost of thread is hugely eggxagerated. I admit, I di...
re: Don't Drink Too Much Reactive Cool Aid
Yup, I'm not a "JavaScript for anything" fan  😇 We're usin...
re: Don't Drink Too Much Reactive Cool Aid
True :) trying to erase that from my brain whenever I can 😜
re: Don't Drink Too Much Reactive Cool Aid
Getting loads of sensor data is definitively a good fit for...
re: Don't Drink Too Much Reactive Cool Aid
When you’re working with requests and responses, reactive c...
re: Don't Drink Too Much Reactive Cool Aid
Jup. That’s why I explicitly mentioned backend programming....
re: Inflammatory Topics & Being A Reasonable Dev...
Maybe if I hated JS and wanted it to not be JS I'd like ty...
re: My RegExp nightmare
I love it. Usually I use in an text editor to create or mod...
re: Modern Java Development is Fast
Great, thanks for the feedback, I corrected the typo!
re: Node.js has a higher cognitive load than Java
We are doing the common Angular FE/ Java Backend. From the ...
re: What Is Your Main Language?
Cool. F# looks very interesting to me. What are you buildin...
re: What Is Your Main Language?
In theory So, does it work in your opinion? I mean in te...
re: What Is Your Main Language?
I‘m also a Java dev and I code some iOS apps in my spare ti...
re: What Is Your Main Language?
Are you only write tests? In my team, we also develop angul...
re: What is a system?
That’s actually a pretty good one ☝️ I would probably add ...
re: Everything That's Not Tested Will Break
Yes, I absolutely agree that type systems helps a lot. I wo...
re: What Is Your Main Language?
Interesting! What was first, you or the app? 😄 What I mea...
re: What Is Your Main Language?
Ok, and what kind of web applications? What’s the domain?
re: What Is Your Main Language?
Nice. I’m also tempted to start with Kotlin. But as I had t...
re: What Is Your Main Language?
Fancy! karaoke? 🎤 Reminds me of using Pinyin for Chinese.....
re: What Is Your Main Language?
Interesting. What kind of apps (as in domain) are you build...
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