Відео

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"never use double for money"... what should we use instead?

Thanks, good and short wxplanation

Hi Daniel, You got new microphone? you're voice is different recently

Your videos (and Kit Langton's) always make me want to go back learning Scala 🙂

Is there TCO in JVM?

Senior developer here 🙋‍♂️ I am pretty sure my junior coleagues know more about sorting algorithms than me 😅😅😅 Great inspiration to try and implement this excercise in F# ❤❤❤

One-liners (or not-so-many-liners) look nice but can be very challenging to write or read.

Wow

OMG! I searched on the channel today for something about Recursion and in the evening found that, thanks!

That is some tight code! Unfortunately I don't have the skills yet to come up with this on my own =(

I am guessing ZIO streams is analogous to Akka streams w.r.t usage. right?

WholeStageCodegen ua-cam.com/video/_Ne27JcLnEc/v-deo.html

Hi, will it be possible for you to create a class with AKKA using Kotlin.

This is a gem

What if i have already taken the Scala 2 course?

No trigger warning for the mentioning of Marvel but thank you for the video!

You made my day ❤

@Daniel, an absolutely genuine content and in a very straight forward and step by step explanation, Thank you so much for this.

I can't thank you enough Daniel! The jwt part (~56min+) is exactly what I needed because http4s-jwt-auth lib is a bit thin on documentation.

great the video is

Great video, once again.

Is it possible to use Kotlin in the Play Framework

Is this just not a Monad?

Thanks a lot for this course, it was extremely clear and fun to follow, and I feel it really gave me a strong basis on which to build my knowledge of Scala!

Awesome tutorial. I really liked it. Congratulations!!!!

💣 Need more!

Hey brother! Love your vids as I am currently messing with Scala. I am also learning more about another JVM language called Flix! Please check it out sometime, it combines logic programming with more "traditional" hybrid imperative/functional that you are more used to in Scala. Maybe even do a video on Flix :)

Hi Daniel, it is not yet come to Udemy. Any plans to bring it to udemy?

hi @Daniel, this is not yet on Udemy. Do you have any plans to post it to udemy?

I just want to say how underrated this channel is - this deserves so much more

For anyone who got the same error of "value flatMap is not a member of String => cats.effect.IO[Int]" as I did, import cats-effect no latter than 3.4.0 version.

Thank you very much, this is so useful

A PROBLEM I faced on start - an error "java.lang.class not found exception" when tried to run Playground. RESOLVED via these steps: 1. Ensured that the `Playground` class is correctly marked as the main class. - Go to `Run` > `Edit Configurations`> click the `+` button, select `Application`, and set up a new configuration with the main class set to `Playground`. 2. Marked correctly the source directory is correctly marked. Right-click on the `src` directory (or the directory containing your `Playground` class) and select `Mark Directory as` > `Sources Root`. 3. Rebuild the project once again. Great course! Clear, nicely organised and well-structured, thanks Daniel!

Nice, thank you! I was doing the same with Scalatags, htmx cask, to test Li Haoyi stack. Found several bugs, and gave up)

Hi Daniel, do have "ZIO Rite of Passage" course in Udemy ? Can you please upload !!

Awesome video, I'm starting to learn Coroutines and your content is superb.

After some time trying to run the project I saw java 11 has a problem executing the code, so as requirement it needs java 17. Good job Daniel! all zio courses are amazing 🚀

Thank you for the great content! Just to note: I looks a bit weird that you pulled into your project so many advanced libraries but somehow forgot about pureconfig-cats-effect and have to have all that fuss about parsing config loader results instead of just calling to loadF from that library.

➜ practicing_slick git:(master) ✗ docker-compose up [+] Running 2/2 ✔ Network practicing_slick_default Created 0.0s ✔ Container practicing_slick-db-1 Created 0.0s Attaching to practicing_slick-db-1 practicing_slick-db-1 | The files belonging to this database system will be owned by user "postgres". practicing_slick-db-1 | This user must also own the server process. practicing_slick-db-1 | practicing_slick-db-1 | The database cluster will be initialized with locale "en_US.utf8". practicing_slick-db-1 | The default database encoding has accordingly been set to "UTF8". practicing_slick-db-1 | The default text search configuration will be set to "english". practicing_slick-db-1 | practicing_slick-db-1 | Data page checksums are disabled. practicing_slick-db-1 | practicing_slick-db-1 | fixing permissions on existing directory /var/lib/postgresql/data ... ok practicing_slick-db-1 | creating subdirectories ... ok practicing_slick-db-1 | selecting dynamic shared memory implementation ... posix practicing_slick-db-1 | selecting default max_connections ... 100 practicing_slick-db-1 | selecting default shared_buffers ... 128MB practicing_slick-db-1 | selecting default time zone ... Etc/UTC practicing_slick-db-1 | creating configuration files ... ok practicing_slick-db-1 | running bootstrap script ... ok practicing_slick-db-1 | performing post-bootstrap initialization ... ok practicing_slick-db-1 | syncing data to disk ... ok practicing_slick-db-1 | practicing_slick-db-1 | practicing_slick-db-1 | Success. You can now start the database server using: practicing_slick-db-1 | practicing_slick-db-1 | pg_ctl -D /var/lib/postgresql/data -l logfile start practicing_slick-db-1 | practicing_slick-db-1 | initdb: warning: enabling "trust" authentication for local connections practicing_slick-db-1 | initdb: hint: You can change this by editing pg_hba.conf or using the option -A, or --auth-local and --auth-host, the next time you run initdb. practicing_slick-db-1 | waiting for server to start....2024-05-16 06:38:27.348 UTC [48] LOG: starting PostgreSQL 16.3 (Debian 16.3-1.pgdg120+1) on aarch64-unknown-linux-gnu, compiled by gcc (Debian 12.2.0-14) 12.2.0, 64-bit practicing_slick-db-1 | 2024-05-16 06:38:27.349 UTC [48] LOG: listening on Unix socket "/var/run/postgresql/.s.PGSQL.5432" practicing_slick-db-1 | 2024-05-16 06:38:27.353 UTC [51] LOG: database system was shut down at 2024-05-16 06:38:27 UTC practicing_slick-db-1 | 2024-05-16 06:38:27.358 UTC [48] LOG: database system is ready to accept connections practicing_slick-db-1 | done practicing_slick-db-1 | server started practicing_slick-db-1 | practicing_slick-db-1 | /usr/local/bin/docker-entrypoint.sh: running /docker-entrypoint-initdb.d/scripts.sql practicing_slick-db-1 | practicing_slick-db-1 | practicing_slick-db-1 | waiting for server to shut down...2024-05-16 06:38:27.493 UTC [48] LOG: received fast shutdown request practicing_slick-db-1 | .2024-05-16 06:38:27.494 UTC [48] LOG: aborting any active transactions practicing_slick-db-1 | 2024-05-16 06:38:27.497 UTC [48] LOG: background worker "logical replication launcher" (PID 54) exited with exit code 1 practicing_slick-db-1 | 2024-05-16 06:38:27.500 UTC [49] LOG: shutting down practicing_slick-db-1 | 2024-05-16 06:38:27.500 UTC [49] LOG: checkpoint starting: shutdown immediate practicing_slick-db-1 | 2024-05-16 06:38:27.504 UTC [49] LOG: checkpoint complete: wrote 3 buffers (0.0%); 0 WAL file(s) added, 0 removed, 0 recycled; write=0.002 s, sync=0.001 s, total=0.004 s; sync files=2, longest=0.001 s, average=0.001 s; distance=0 kB, estimate=0 kB; lsn=0/14EA1D0, redo lsn=0/14EA1D0 practicing_slick-db-1 | 2024-05-16 06:38:27.511 UTC [48] LOG: database system is shut down practicing_slick-db-1 | done practicing_slick-db-1 | server stopped practicing_slick-db-1 | practicing_slick-db-1 | PostgreSQL init process complete; ready for start up. practicing_slick-db-1 | practicing_slick-db-1 | 2024-05-16 06:38:27.622 UTC [1] LOG: starting PostgreSQL 16.3 (Debian 16.3-1.pgdg120+1) on aarch64-unknown-linux-gnu, compiled by gcc (Debian 12.2.0-14) 12.2.0, 64-bit practicing_slick-db-1 | 2024-05-16 06:38:27.622 UTC [1] LOG: listening on IPv4 address "0.0.0.0", port 5432 practicing_slick-db-1 | 2024-05-16 06:38:27.622 UTC [1] LOG: listening on IPv6 address "::", port 5432 practicing_slick-db-1 | 2024-05-16 06:38:27.624 UTC [1] LOG: listening on Unix socket "/var/run/postgresql/.s.PGSQL.5432" practicing_slick-db-1 | 2024-05-16 06:38:27.627 UTC [64] LOG: database system was shut down at 2024-05-16 06:38:27 UTC practicing_slick-db-1 | 2024-05-16 06:38:27.632 UTC [1] LOG: database system is ready to accept connections

its better to build a course in rock the jvm using this tech may be building a real estate app with real world live data using HTMX

Scala community should plan to create something like python stream-lit to build interactive data dashboards and web app's

Amazing! Thank you ❤ Would love to see a kotlin/arrow/htmx version 😍

Impressive thumbnails

Ah yes, what an amazing resource, thank you Daniel!!

Nice project organization ❤

❤ Thanks Daniel. ZIO and HTMX in one video, 2 things I wanted to learn more about! These bit more "real world" examples help out a ton with things like how to structure the code which always trips me up.

The faster and lighter way without rootkits would be to use vscode.

Thanks. Great series on kotlin. Exactly what i needed for a quick intro on new language for someone that would be bored to death by the usual tutorial that assumes the user knowing nothing.