i've never seen a chinese guy look so european before.

Thank you for video how do I get rid of the dark theme in Lazarus?

Thank you for sharing this technique , I really was miss this approach in Lazarus IDE. seems helpful.

It's a very simple and elegant idea. Imagine a world of people. Imagine each person has a 'role' like lawyer, plumber (etc.). Methods are not floating free in the code structure. Methods belong to objects, which are instantiations of classes. If it's needed to fix a random leakage in the plumbing system it would not be possible to call a function directly (supposing a function/method called fixPlumbing). It is necessary to send the message for bject Plumber, because the methds fixPlumbing is encapsulated in there. There are no 'free hoovering functions'. Everything is inside an object. In this example, the object lawyer would not have the method for dealing with fixing the plumbing system. So it's not calling directly the function. Its asking for the ject to handle the message.

Thanks for the explanation - I forgot to make my password persistent; how can I fix this?

Is there any other options to download the pdf tutorial, i'm sorry that i can not access it

Awesome! So good to finally see a text-based-adventure game tutorial in Object Pascal

Teşekkürler. "cross platform" klone oyun kodları pascal ile güzel olur bence.

I assume I can use Linux instead of windows.

OOP looks like Platonism applyed to computer science.

WOW, never knew compilers cost money!! I started with C++ it was a pain, but thanks to some amazing people in RU-vid I got rid of most of my bad habits.

we just need to get rid off the new line example: char name[25]; printf("Enter your name: "); fgets(name,25,stdin); name[strlen(name)-1]='\0'; the last line removes the new line character. we can use this

How do you drop an image from winform to explorer?

Thank you for Your videos! They are like a sunshine 🌞 through this war dark times!

I understood everything! Really good tutorial! Hello from Ukraine! Actually watching this during blackout when everything is dark noir atmposphere which resembles with some magic!

Sorry this may be a silly question with VNC it mirrors the screen on the windows client exactly like the RPI user sees on the screen, Does XRDP do the same or does it make its own instance of the desktop? As ideally for my use I want just a pure mirror or the RPI enviroment. Thanks!

Brilliant. Like many things in life, modifying VS Code colors is a simple task, but finding the details on exactly how to do it is non-trival. Thanks for helping with that.

What is the best program language to create file archive program?.python/c#/c

thank you so much for this!

program connexion_consol_bdd; {$mode objfpc}{$H+} uses Classes, SysUtils, IBConnection, SQLDBLib, SQLDB, DB; var bdd : TIBConnection; lib_bdd : TSQLDBLibraryLoader; SQLQuery : TSQLQuery; SQLTransaction: TSQLTransaction; begin bdd :=TIBConnection.Create(nil); lib_bdd :=TSQLDBLibraryLoader.Create(nil); SQLQuery :=TSQLQuery.Create(nil); SQLTransaction:=TSQLTransaction.Create(nil); bdd.databasename:= '/exem.fdb'; bdd.hostname := '192.168.56.7'; bdd.port := 3050; bdd.username := 'sysdba'; bdd.password := '8246951,;:!'; bdd.Transaction := SQLTransaction; lib_bdd.LibraryName:='Firebird'; lib_bdd.LibraryName:='/opt/firebird/lib/libfbclient.so.4.0.3'; SQLQuery.database:= bdd; SQLQuery.sql.add(' select * from liste '); SQLQuery.Transaction := SQLTransaction; SQLTransaction.database:=bdd; lib_bdd.Enabled:=true; bdd.Connected:=true; SQLQuery.Active:=true; SQLTransaction.Active:=true; write(SQLQuery.FieldByName('nom').AsString); readln; end. =========================================== An unhandled exception occurred at $000000000048AE7A: EDatabaseError: : Invalid connection type : "" $000000000048AE7A $000000000047FA85 =========================================== the compilation passes but during execution, the database is not recognized why? please

program connexion_consol_bdd; {$mode objfpc}{$H+} uses Classes, SysUtils, IBConnection, SQLDBLib, SQLDB, DB; var bdd : TIBConnection; lib_bdd : TSQLDBLibraryLoader; SQLQuery : TSQLQuery; SQLTransaction: TSQLTransaction; begin bdd :=TIBConnection.Create(nil); lib_bdd :=TSQLDBLibraryLoader.Create(nil); SQLQuery :=TSQLQuery.Create(nil); SQLTransaction:=TSQLTransaction.Create(nil); bdd.databasename:= '/exem.fdb'; bdd.hostname := '192.168.56.7'; bdd.port := 3050; bdd.username := 'sysdba'; bdd.password := '8246951,;:!'; bdd.Transaction := SQLTransaction; lib_bdd.LibraryName:='Firebird'; lib_bdd.LibraryName:='/opt/firebird/lib/libfbclient.so.4.0.3'; SQLQuery.database:= bdd; SQLQuery.sql.add(' select * from liste '); SQLQuery.Transaction := SQLTransaction; SQLTransaction.database:=bdd; lib_bdd.Enabled:=true; bdd.Connected:=true; SQLQuery.Active:=true; SQLTransaction.Active:=true; write(SQLQuery.FieldByName('nom').AsString); readln; end. =========================================== An unhandled exception occurred at $000000000048AE7A: EDatabaseError: : Invalid connection type : "" $000000000048AE7A $000000000047FA85 =========================================== the compilation passes but during execution, the database is not recognized why? please

scandaloso

merci

how to add another classes sir?

do you have source code here sir?

OOP is one of the best ideas programmers have ever been introduced to. The problem is, not too many know how to use it correctly.

Thanks for this explanation

Thanks for sharing. Its cool given by VS.

please i have a problem: my recursion function has two choices one greater than somthing the other one is less than or equal and finally i will get some value i want to know what are the items that made the final value i want to save the right decisions only i couldn't figure it out :(

Very good explained. Thank you!

This useful, Can you share example? please!!!! 🥰

wow, you are the only youtuber who are really ambitious teaching pascal. thanks for videos

Thank you Huw!

So helpul! My gosh, i was bored with same contents all over the place...this 'boom' of programming and I.T... at last I have fallen here. Pure gold.

I can't express how grateful I am you made this. I don't usually leave comments but this video series was exactly what I was looking for when I logged into youtube today, and the lack of recognition makes me a lil sad. This series will be an invaluable resource for me for the coming while, so thanks a lot Huw!

Thank you Huw for giving me a much better understanding of OOP. Never has it been explained so well to me👍

One of the best resources for disambiguating mainstream OOP with Alan Kay's version. Thanks Huw 👍

Thank you so much for this video!

Incredible explanation!!

Good video. Do you recommend the book "Discovering Smalltalk by Wilf LaLonde"?

blue's clues protagonist vibes

This kinda sounds like what we would call actors now.

I learned to code back in the 90s with a pirates copy of Borland Turbo Pascal that we passed around the classroom. It absolutely captivated me. Although I never use it today, I'll always have a soft spot for the language. It's like my childhood sweetheart 😏

There is no such thing as "proper object orientated programming." Oop was a mistake from the very beginning, and today it is falling out of favor. Data oriented design and functional programming are replacing oop.

Hi Huw. I have been using C++ for the past few years but I'm still not very comfortable with pointers. I'd appreciate it if you can recommend any book on pointers. Thanks

I have always dreamed of writing a console program that connects to the database with the sqlDB tools of the Lazarus environment

I don't see any practical difference between the pattern of "private data + public functions" and the "objects that sends messages to other objects, that requires the receiver to have a method with same name". I don't see any "practical difference" or how this specific abstraction solves any problem that current OO-approaches has issues solving. For example, dependency injection. For me to create an object A that depends on another object B (because some of its methods requires colaboration by B), I have to make sure B exists before A since I need to pass B as dependency to A in its creation, which create a dependency between objects lifetime which is sometimes very hard to manage. Some people calls this problem the "problem of object wiring". How does Smalltak solve this? If an object A needs help, do A needs to know that B is the object that solves my problem, and so A needs to store/contain a reference to B? Because if it does, then it has the same problem that modern-day OO. Another example: when A have the information to do something, but A doesn't know how to do it, because it's not its responsability. Usually you rely on a getter: B knows how to do it, but doesn't have the information: A, give it to me and then I do the thing. That completely breaks encapsulation since A is exposing private information and structure through the getters, but no other solution is good since you don't know how to do the "thing". How does smalltalk solve this problem? Is there any problem that smalltalk solves in a very elegant way that is completely unreachable for traditional OO-languages? How is that abstraction of message passing "superior" to the way OO is understood nowadays?

Thanks mr. Collingbourne, that worked for me. I've noticed that the CoolBar disappeared but I could easily put it back by marking the checkbox in the IDE CoolBar visibility options.

I'm glad I found this channel. I'm struggling with OOP.

Thanks very much for your time and effort for these videos Huw. Im new to Delphi and these videos are helping immensely 🙏