No Black Box Machine Learning Course - Learn Without Libraries

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In this No Black Box Machine Learning Course in JavaScript, you will gain a deep understanding of machine learning systems by coding without relying on libraries. This unique approach not only demystifies the inner workings of machine learning but also significantly enhances software development skills.
✏️ Course created by @Radu (PhD in Computer Science)
🎥 Watch part two: • Machine Learning & Neu...
HOMEWORK
🏠 1st assignment spreadsheet: docs.google.com/spreadsheets/...
🏠 Submit all other assignments to Radu's Discord Server: / discord
GITHUB LINKS
💻 Drawing App: github.com/gniziemazity/drawi...
💻 Data: github.com/gniziemazity/drawi...
💻 Custom Chart Component: github.com/gniziemazity/javas...
💻 Full Course Code (In Parts): github.com/gniziemazity/ml-co...
PREREQUISITES
🎥 Interpolation: • Linear Interpolation (...
🎥 Linear Algebra: • Learn 2D Vectors with ...
🎥 Trigonometry: • Learn Trigonometry wit...
LINKS
🔗 Check out the Recognizer we'll build in this course: radufromfinland.com/projects/...
🔗 Draw for Radu, Call for help video: • Help me make a NEW Mac...
🔗 Draw for Radu, Data collection tool: radufromfinland.com/projects/ml
🔗 Radu's Self-driving Car Course: • Self-driving Car :: Ph...
🔗 Radu's older Machine Learning video: • Learn Machine Learning...
🔗 CHART TUTORIAL (mentioned at 01:45:27): • Build a Chart using Ja...
🔗 CHART CODE: github.com/gniziemazity/javas...
TOOLS
🔧 Visual Studio Code: code.visualstudio.com/download
🔧 Google Chrome: www.google.com/chrome
🔧 Node JS: nodejs.org/en/download
(make sure you add 'node' and 'npm' to the PATH environment variables when asked!)
TIMESTAMPS
⌨️(0:00:00) Introduction
⌨️(0:05:04) Drawing App
⌨️(0:46:46) Homework 1
⌨️(0:47:05) Working with Data
⌨️(1:08:54) Data Visualizer
⌨️(1:29:52) Homework 2
⌨️(1:30:05) Feature Extraction
⌨️(1:38:07) Scatter Plot
⌨️(1:46:12) Custom Chart
⌨️(2:01:03) Homework 3
⌨️(2:01:35) Nearest Neighbor Classifier
⌨️(2:43:21) Homework 4 (better box)
⌨️(2:43:53) Data Scaling
⌨️(2:54:45) Homework 5
⌨️(2:55:23) K Nearest Neighbors Classifier
⌨️(3:04:18) Homework 6
⌨️(3:04:49) Model Evaluation
⌨️(3:21:29) Homework 7
⌨️(3:22:01) Decision Boundaries
⌨️(3:39:26) Homework 8
⌨️(3:39:59) Python & SkLearn
⌨️(3:50:35) Homework 9

Опубликовано:

13 май 2024

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Комментарии : 518

@freecodecamp 7 месяцев назад

Next, learn from Radu how to create a virtual world, populated by self-driving cars: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-V_C7L7zelz8.html

@Schnickenpick 24 дня назад

I woke up here

@reynoxhaha2365 24 дня назад

bruh same

@Schnickenpick 24 дня назад

@@reynoxhaha2365 I saw someone who woke up here but some how when I wanted to reply the comment disappeared😂

@Ar7xM 24 дня назад

💀 me too

@Schnickenpick 24 дня назад

@@Ar7xM we’ve gotta start a club

@Ar7xM 24 дня назад

@@Schnickenpick hahahaha

@codingjugaad8777 Год назад

Best part the course is not using a Library. So by learning implementation steps one can write in any language. Dr. Radu is just awesome

@Radu Год назад

Thanks :-) glad you like the course.

@aitorplaza2560 Год назад

This guy is one of the best teachers on RU-vid and he is totally underrated.

@Radu Год назад

Thanks, Aitor :-)

@niyagentleman8143 Год назад

@Franks Laboratory too

@aitorplaza2560 Год назад

@@niyagentleman8143 I know his channel and I agree with you, he is also a really good teacher.

@niyagentleman8143 Год назад

^^@@aitorplaza2560

@Radu Год назад

Hope you have fun with this course! If you have questions, comments, or suggestions, please reach out in the comments section or on my Discord server. Happy Coding :-)

@2plus2eqaul5 Год назад

Your channel’s ‘My Weird Stuff’ section captivated me, even though I was looking for ML 😆wish u all the best

@Radu Год назад

@@2plus2eqaul5 Haha! Good :-)

@davidmurphy563 Год назад

Hey buddy! I so enjoyed our exchange in the car AI course. I'm dying to do this but I'm still very busy... I'm curious why you convert to csv for python, json works just fine in python. I suspect that json is just as common in python as csv, maybe more so. Meh, csv works fine too. Anyway, just wanted to thank you for spending so much time helping me and listening to my silly ideas. A huge thank you!!!

@Radu Год назад

@@davidmurphy563 True, they are both natively supported in python. It's just my guess that CSV is more popular (me and my colleagues, at least, used it in combination with Excel and it made some things easier)

@thatsalot3577 Год назад

You're the one of the best and wholesome teachers I've met in my entire life.

@ivgadev Год назад

This man is the most underrated in this community. The content he made is just insane.

@Radu Год назад

Thanks Iván for the nice comment :-)

@nikachkhobadze7710 8 месяцев назад

Yeah and it's free 🤯🤯🤯 its unbelievable for me

@m.h.6494 5 месяцев назад

@@RaduI really love your calm and friendly teaching style. I feel you’re a very good person. Thankyou!

@stbuchok 9 месяцев назад

I have a saying for myself "I don't want to learn to use a library, I want to learn how to write that library." Free online courses like this help everyone. Thank you. I haven't started it, but I've wanted to get into learning more about ML, specifically from Javascript. I have a feeling this is going to fit my needs perfectly.

@Radu 8 месяцев назад

Glad to hear you found this course. Hope you'll like it :-)

@stbuchok 8 месяцев назад

@@Radu 30 minutes in while also modifying the code slightly for what I like. I don't want to use Node, so I'm going to try to translate it to C# for the server side stuff. But I'm enjoying it so far. Although I we aren't at the ML part yet, still nice to see everything. Huge thanks from all of us.

@Radu 8 месяцев назад

@@stbuchok Good luck porting it to C#. I don't think there'll be any problem with that.

@dannyboy4893 16 дней назад

Am i the only one who woke up here

@threeuniquefingers 13 дней назад

Apparently No!

@marshallwilson9344 11 дней назад

I Did

@gordjy 9 дней назад

Lol, me too

@W.H.A.P. 9 дней назад

Me too - must be destiny

@SweetLilitis 9 дней назад

Lmao

@stephanedibo8167 Год назад

This Guy is a genius and really good teacher, be blessed

@Radu Год назад

Thanks :-) but not really a genius. Just a lot of practice.

@m.h.6494 5 месяцев назад

I really love your calm and friendly teaching style. Also very well explained! WOW! Thank you so much

@Radu 4 месяца назад

Thanks for watching :-)

@toyin5522 Год назад

Imagine having this guy as your professor So good 👍 👏

@Radu Год назад

Thanks :-)

@PhilR0gers 11 месяцев назад

By watching this video, we do!

@Radu 11 месяцев назад

@@PhilR0gers :-)

@proprogramming8559 Месяц назад

Dr. Radu is a true inspiration for me, I always liked the way he delves deep into the underlying implementation and the inner workings of these complex topics. Sir, You are truely awesome.

@Radu Месяц назад

Happy to hear you like my content :-)

@danielanson5120 9 месяцев назад

phenomenal course! Dr Radu is the best and with such a patient and explanatory demeanor, a genuine pleasure to watch and learn from.

@Radu 9 месяцев назад

Thanks :-)

@yasirmehmood4295 Год назад

loved the earlier part of the video but it got kinda hard for me since I'm not that proficient in JS, will definitely revert back later. Thanks Dr. Radu

@Radu Год назад

Sure. You can also ask if something is unclear.

@almostrandomnickname Год назад

awesome loved it was no library, great way to get a grasp of how things are made under the hood. great tutorial doc! make more!!!!! always the best free code camp, I learned coding better with you guys.

@Radu Год назад

Thank you :-)

@julianbullmagic Год назад

Really looking forward to part two. This is a very effective teaching style for this subject.

@Radu Год назад

Thank you. Working on it now.

@KiyotakaAyanokoji1 10 месяцев назад

@@Radu eagerly waiting ☺

@Radu 10 месяцев назад

@@KiyotakaAyanokoji1 there are already few videos out on my channel.

@godlikemouse Год назад

Hi Radu, I just finished the first part of the course. Great so far, thank you. You asked if there was a better way to handle the download anchor click. I'd like to suggest the following: const element = document.createElement("a"); element.setAttribute( "href", "data:text/plain;charset=utf-8," + encodeURIComponent(JSON.stringify(data)) ); const fileName = data.session + ".json"; element.setAttribute("download", fileName); element.click(); There shouldn't be any need to actually inject the anchor into the document. You can simply create the element and invoke the click directly in memory. Hope this helps :)

@Radu Год назад

Ok. Thanks! I'll try it out.

@pixelseeker 3 месяца назад

Very good post. Guy was coding non-stop without error. Funny laugh at 40:37 😆"Please draw an undefined"

@techwithdipufrom0ton621 6 месяцев назад

'Code without libraries and create my own machine learning driven application' is what I dreamed of before I got my laptop. Thank you guys for this course

@smanqele 2 месяца назад

Occasionally I have to play you at 0.25 speed just to keep up with the coding ( because I want to write it with you ), which it might take me more than a day's working hours to complete. But I'll make it, and thank you for the engaging teaching style!

@Radu 2 месяца назад

Sure, what I do is really scripted so I can be quite fast. Understanding these things well can be really time consuming, though. Just implementing by following along may not be enough :-)

@leroyparker 8 месяцев назад

This is fantastic. I've been following along, keystroke for keystroke all day today, 5 hours to reach the 54 min mark - I pause a lot to double check everything. Unfortunately, I've hit a wall and I think it might be a Mac thing. When trying to run the dataset_generator for the first time, about 54:30 in the video, it throws an "unexpected token in JSON at position 0" (two spaces after 'token" implying a null/undefined value there). figured I'd share this in case, 1) someone else has worked through it, and 2) you might not have received much feedback from mac users if your students are a PC clan. In any event, I'll eventually debug this, I'm just so thankful for you and this content. Please keep up the good work.

@Radu 8 месяцев назад

Can you share your code on my Discord? I'll have a look.

@LodeStarYT 11 месяцев назад

Looking forward to part 2. This one was very interesting

@Radu 10 месяцев назад

It starts next week on my channel :-)

@Alex-bc3xe Год назад

Great job Radu (felicitari sunt mandru de tine)

@Radu Год назад

Merci, Alex :-)

@celenial6009 10 месяцев назад

I havent watched yet but can tell by the comments that you are a great teacher

@Radu 9 месяцев назад

Thank you :-) hope you'll watch it at some point :-D

@ashganmustafa9031 Год назад

Such a great course , I am enjoying it 😊

@kelvinclark3474 Год назад

you can change all the onmouse*** to onpointer*** to not set the ontouch*** events. THe onpointer**** registers the event for both mouse and touch.

@Radu Год назад

Thanks! I'll try it out :-)

@parsonsmarcus Год назад

Just as a quick aside in the beginning part, if you set the content type to "text/plain" in the data string, you may run into issues when downloading file data because the browser thinks it should be a .txt file. If you instead set the content type to be "application/json", it will download just fine without a warning. Like so: "data:application/json;charset=utf-8" Chrome warned me on MacOS whenever I wanted to download this file with a .json extension that had a content type of text/plain.

@Radu Год назад

Hi, thanks for the tip!

@francoisarbour1207 9 месяцев назад

The fact this is free content blows my mind, incredible value. Thanks!

@Radu 9 месяцев назад

You're welcome!

@nunofigueira8691 9 месяцев назад

I decide watch this course just to validate the summer, and it catch all my attention. Thank you very much.

@Radu 9 месяцев назад

Thanks for watching :-)

@kingcoder31aug Год назад

i want more videos like this where i can learn depper concepts of cnn , rnn like that . This video was great 🔥🔥

@pearlboy 7 месяцев назад

I've apple silicon, somehow I was finding difficulty in most of the node version on using canvas. When I tried with node version 10 it worked. sharing it as information. as it might help someone out there.

@northernsamiko Месяц назад

I would like to thank u, I dont work in the software industry but it was nice listening u when improving my english novadays!!

@Radu 29 дней назад

You know I'm not a native English speaker, right? Maybe not the best to learn from me :-))

@northernsamiko 29 дней назад

@@Radu Yup I know but It's good to hear you, man Maybe you could stop talking tech and sing a song? I'm a rock guitarist anyway, and we could blast a good English song together.

@northernsamiko 29 дней назад

@@Radu Man, if I listen to you any more, I'm gonna put my guitar away and start coding :))

@Radu 16 дней назад

@@northernsamiko :-))))

@Radu 16 дней назад

@@northernsamiko :-)) I do have an intro song on videos on my channel :-D if you listen to that you might change your mind about me singing :-)))

@khalidelgazzar Год назад

Watched the first 30 minutes & really looks great

@Radu Год назад

Thanks! Let me know if you eventually go all the way :-)

@billionairesayss Год назад

Always delivery fire ❤️

@papatangovictor Год назад

Machine learning is not a metaphysical abstraction that will allow machines to dominate humanity. Which is already dominated by the interests of large corporations that have governments in their pockets. Technically it's just fine-tuned probability based on sophisticated code and a lot of processing power. And this guy is a root programmer with excellent teaching skills. The best and most demystifying introduction to the topic I've seen in 5235 YT videos...

@Radu Год назад

Thank you :-)

@anmolsharma4049 8 месяцев назад

He's very genius, I'm amazed by his fundamental understanding of concepts. True computer scientist

@Radu 7 месяцев назад

Thank you :-)

@ryouko2971 Год назад

Hey Dr.Radu, can you create a video on how you went about creating your own Chart component? That was an amazing moment when you went out of your way to create something like that and inspired me to build my tools like this. Any source or recommendations for learning this?

@Radu Год назад

The tutorial for how I made the Chart is in linked in the description. Or is your question: Why I decided to do it?

@donjurke2286 8 месяцев назад

vow, best teacher ever! thank you so much! On touchscreen scetchpad and whole page starts scrolling when I draw. As suggested fix in css file: body{ overscroll-behavior: none; } did not work, but html{ overscroll-behavior: none; } worked

@Radu 8 месяцев назад

Thanks!

@bailahie4235 9 месяцев назад

I like the "Garbage --> cogs --> Garbage" diagram at 2:40 in the explanation to summarise the importance of understanding your training data. 🤣

@Radu 9 месяцев назад

Thanks! :-)

@praveenl169 8 месяцев назад

Better and secure way to save json data - create blob, create a temporary url for the blob, trigger the download, clean up the temporary url

@Radu 8 месяцев назад

Thanks for the tip!

@user-zx6rj3tx8j 2 месяца назад

foreign variables that apply to UTF-8

@solodoumbia2095 10 месяцев назад

Fantastic hack! I did everything you showed here and it worked! Thanks a lot!

@Radu 9 месяцев назад

Glad to hear :-)

@duke_adi 7 месяцев назад

Excellent course Sir! I have learnt so many things from this video that it is difficult to note them down! Sir , you should come to any university in India for teaching computer science since your teaching style and personality skills are in most demand here 😀

@Radu 7 месяцев назад

:-) thanks for the invite

@justdoeverything8883 9 месяцев назад

This is an awesome course, but I just want to add, so many of the little annoyances on the drawing app can be avoided by using pointerevents, which work for touch and mouse events, and allow you to capture the event instead of having to put the listener on the document itself.

@Radu 9 месяцев назад

Thanks for the tip!

@JohnDoe_69_420 Год назад

Ooooooo Radu's going mainstream now, this is so cool! Hopefully he's going to gain some subscribers from this, which is super great, Radu deserves the recognition for the amount of valuable education he provides! Gonna code, debug, and have fuuuuun, Coding with Radu... Coding with Radu

@Radu Год назад

Haha, thanks :-)

@vishaljepar1437 5 дней назад

Smc bohat hard lagta tha lekin aapki videos dekhke ab easy hogya h lekin kuch bate repeatly dekhna padta h samjne k liye lekin samaj aa jata h

@meschann 3 месяца назад

Your video is very good, deserves a subscription and I hope so too. Thank you for your enthusiasm.

@Radu 3 месяца назад

You're welcome :-)

@DannyDusse 5 месяцев назад

Completed after one and a half weeks. This channel is amazing!

@LarearYT 11 дней назад

Apparently RU-vid really wants me to learn this but I haven't even started on trying to learn C# as my first language which I'd already have use cases for.

@Radu День назад

You could take it as a challenge to implement this in C#. I'm not using libraries, so, many things are quire straightforward.

@zubiarfan Год назад

Great content, thank you!

@Radu Год назад

You're welcome!

@dominikrodler8010 9 месяцев назад

You didn't get the DOCTOR House joke apparently, which I found quite funny 😁 Really nice course!

@Radu 9 месяцев назад

There was a Doctor House joke? :-)) I don't remember adding one

@abdulbasitrajpoot2713 5 месяцев назад

Bro, do videos for newbies too. This is very complex. Why did you create image recognizer? why did you do this with simple text values?

@bkosimi 8 месяцев назад

Amazing! Radu is probably one of the best programming teachers, easy to follow and comprehensive delivery of complex content. Bravo!

@Radu 8 месяцев назад

Thank you!

@BattleJunkiee Год назад

Yup I always used to wonder why do we learn from existing datasets, when we have to built a dataset from scratch for real-time applications

@Radu Год назад

Because you can jump right in... and datasets have some 'good properties' that can demonstrate some specific things better than others. It's also the reason why courses change datasets from time to time to demonstrate different things. Here I hope to have a more realistic setting :-)

@robertosotoalvarez817 2 месяца назад

May I ask how do you insert your video in the output window in VS Code?

@Radu 2 месяца назад

I'm using OBS to record my videos. You can add a video input on top of any window and resize it so it fits :-)

@robertosotoalvarez817 2 месяца назад

Wow! Thanks Radu. I already usted OBS, but I thought you used the Visual Studio Output Window with something like a web page. I googled trying to find how to do that in vain. The simplest solutions are the best as you always do. Thanks again!

@Radu 2 месяца назад

@@robertosotoalvarez817 no, nothing fancy like that :-)

@BreezeTalk Год назад

This, Monte Carlo, Linear Algebra, GeoSpatial, Trees and Classifiers and you have a good background of ML and Stats

@Radu Год назад

I do plan to extend this course with more things. Thanks for the tips :-)

@ezsu Месяц назад

You are the best❤

@Radu Месяц назад

Thanks :-)

@FOM_extras Год назад

omg it's Radu! yay!

@Radu Год назад

Yey :-)

@duke_adi 7 месяцев назад

At 2:24:00 hrs, professor asks about the possibility for some heights or widths going beyond 400, the most easy solution could be fault in the user's code where instead of 400 height and width, the user accidentally filled a bigger value!

@Radu 7 месяцев назад

Yes, but I've collected the data using the app on my website = my code :-) and it was 400 x 400.

@duke_adi 7 месяцев назад

@@Radu That's true for me as well, which might mean that in certain laptop_os+browser set, mouse click beyond the borders results in >400 width/height.

@Radu 7 месяцев назад

@@duke_adi could be :-) the beauty of web development...

@MaximeCHEVASSON 8 месяцев назад

Pretty cool both from a thearical point, of view and from a pure JS code pov. It makes it pretty accessible. Thanks a lot, great job

@Radu 8 месяцев назад

Thank you.

@pudum4916 5 месяцев назад

You are outstanding ❤

@feitan8745 Год назад

sometimes people just want to go vanilla all the way. amazing content.

@Radu Год назад

Thanks! :-)

@frankdearr2772 5 месяцев назад

Great topic, thanks 👍

@quantumastrologer5599 10 месяцев назад

Essentially centering a div in the first ten minutes. What a flex.

@Radu 10 месяцев назад

:-))

@cheffinbeatsdaily 22 дня назад

Fell asleep to something else woke up to this. I may have to actually watch it 😂

@hoanhvuvan5165 Месяц назад

thank you sir, appreciated!! ❤❤

@Radu Месяц назад

You're welcome!

@meganova609 7 месяцев назад

28:11 try to change height of #content to height:90vh

@vrk1131 13 дней назад

This is the first thing I saw after waking up

@scemist Месяц назад

For web developers that js, css and html code is a messy, but lets exchange skills 😁

@Radu Месяц назад

Sure! Can you share some tips to make it better? :-)

@mohammedabujayyab6146 Год назад

perfect 🎉 thanks a lot!!

@Radu Год назад

You're welcome!

@voidcache Месяц назад

just woke up n realized i watched almost an entire ML 4 hour course. i slept watching a video about hedge funds or sumn...

@cosmicwitness3390 8 месяцев назад

bro please do this python js code makes my head hurt and i think python makes the code more readable and easy to follow

@Radu 8 месяцев назад

Sorry :-( I don't publish many videos about Python (not at the moment, at least).

@kyassa6528 3 месяца назад

Thanks a lot!

@financewithsom485 10 месяцев назад

Thanks Radu bhai kya course banaya phad diye bhaiii

@Radu 9 месяцев назад

You're welcome!

@kimberlywhite8399 8 месяцев назад

Sir, I need help on this because the canvas doesn't show up

@Radu 8 месяцев назад

You can try submitting your code on my Discord and I'll have a look.

@RichReflectionz Год назад

I’m still a newbie in programming, but I thought that Python was best for ML, this is awesome that JS can be used as well

@paulaneesh7 Год назад

JS is "Jack of all trades'".

@nonstopper Год назад

Python is only ever considered good at ML because some of the most popular ML libraries happened to be made available for it. The libraries are usually not even written in python.

@edward8064 Год назад

@@nonstopper yeah, Python is just the API language

@Radu Год назад

Sure, machine learning algorithms can be implemented in any language, pretty much... The best languages to use are those that run the fastest (like C / C++) and the easiest to use are those that have a lot of libraries for it (like Python). I use JavaScript to make some working apps that are easy to share, not just the machine learning part in isolation.

@Radu Год назад

@@nonstopper True.

@pratronald 3 месяца назад

Can't we combine this with Python? JS for the web app and Python for the ML code implementation?

@Radu 3 месяца назад

Sure you can, you just need to reimplement some of the functions that are used both on the front-end and back-end.

@user-lt2zw1yd1c 3 месяца назад

thank you for helping us to learn

@Radu 3 месяца назад

Glad to hear you're learning!

@johnsonisreal4530 Год назад

Why this is interesting and enjoy the course alot.

@Radu Год назад

Happy you like the course!

@saadafzal8594 4 месяца назад

@Dr. Radu add the following to your css will make the font responsive: :root { font-size: calc(0.5em + 1vw); }

@Radu 4 месяца назад

Hi, Thanks for the tip :-)

@meso9497 Год назад

Hi, to fix the issue with moving screen on apple devices touch screens, in the css stylesheet, body selector, set the touch-action to none and you good to go.

@Radu Год назад

Really? Thanks! I'll try it out as soon as I get my hands on an apple device :-)

@meso9497 Год назад

@@Raduall good, it worked perfectly for me on my iphone!.

@Radu Год назад

@@meso9497 Awesome, thanks!

@HonkletonDonkleton 8 месяцев назад

We need part 2! Please!

@Radu 8 месяцев назад

It's now out :-)

@joyalmeida6565 Год назад

A course of federated learning with a project please!!

@amanthaesports3228 4 дня назад

Bro, I woke up 2hrs and 45 minutes into this

@pearlboy 7 месяцев назад

Thanks!

@dhrambiragarwal3520 Год назад

Helpful❤

@AQ22W 9 месяцев назад

(1) Thank You. (2) iCON Use For Graph. (3) # of Neighbors For Classification. (4) "Country-Bubble-Color" For Each Object iNSTANCE, Was Enlightening. (5) Details = Better Graphical Pointing. (6) Label Which Pieces Of Code, Correct Which Errors (Error Database)...To Differentiate Between Base Code & ECC (Error Correcting Code). (7) Play Video @ A Faster Speed (For Longer Videos). (8) What Are Your Top 10 Companies That You Work For?

@AnkitKumar-fw3cz Год назад

Got introduced to REST API!

@alialipour9061 9 месяцев назад

thats fantastic

@pavelpavlov954 Год назад

Amazing!!!!

@_yllw6155 10 месяцев назад

Is there any specific reason or benefit he doesn't use spaces when assigning variables, declaring conditionals, or creating for loops? Is it simply preference? I think most people (including me) would write like this: const foo = 'bar'; for (let i = 0; i < baz.length; i++) { ... } but he writes like this (and I've seen some others): const foo='bar'; for (let i=0;i

@Radu 9 месяцев назад

I normally use spaces (as you describe). But when I make tutorials I try to keep the font size as large as possible (some people watch on their phones). I also don't want the code to go off-screen to the right so that viewers don't have to scroll through the video to see the part they need to see... Removing spaces helps with that. But in phase 2 of this course I tried using a wider screen and added the spaces (experimenting all the time...)

@TrailblazingYT 3 месяца назад

really good teacher, thanks

@Radu 3 месяца назад

Thanks!

@thomasgarayua4979 11 месяцев назад

I was watching a swift tutorial on recursion and I woke up to this video

@vivekmohan4271 19 дней назад

Hey Radu, great course ! But when I run the final project on my computer, it lags and is pretty slow. Is it because my computer only has 8 gb RAM?

@Radu 16 дней назад

The implementation could be made more efficient. I gave some homework tasks about optimizing, you can try them out, or see phase 2 where I implemented some of them (that may work faster for you).