i haven't seen a smart contract explanation as good as yours anywhere in RUclips. your explanation on structs is on point and i am thankful to you . keep up the good work brother
man. You have no idea how this video helpful to me, I’ve been struggling about the struct for whole day and this video just explained all my questions. Thanks a lot about your efforts. Keep creating these content please!!!❤❤❤
Hi! Beginner here. Thanks for this tutorial. I want to know how we can use this code: Car public car? Particularly how can we use the "car" based on that code?
Got it! Though I think it’s time for me to spend a few days to a week and go back and review everything I’ve learned, and forgot lol. Thus meaning more views for you.
How to use mapping(address => Car[]) public carsByOwner; I'm unable to make use of it in contract. what should I insert as address, uint156 arguments? Please answer soon!, Thank you.
When we push inputs to an array of struct "Transaction[] public transactions;" why do we include "Transaction" in "transactions.push(Transaction(*values*));" but when we access it with "require(!transactions[_txId].executed, "error") we do not include "Transaction" ?
Sorry for my answer but I am a novice. Could someone explain me the reason why a mapping (address => Car[]) it's been created even if address is a data already included into the Struct?
Is there any reason I need to create a memory variable _car to get the values/ element values for the cars stored in the array, can't I just call the array directly?
Hi, thanks for the video. Is there any chance to migrate a structure? Let say I want to add a colour property to Car strict, how can I modify current structure data saved in blockchain?
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0:00 - Defining a struct
0:23 - Use in state variables
1:04 - Initialize
5:01 - Get
5:59 - Update
6:50 - Delete
i haven't seen a smart contract explanation as good as yours anywhere in RUclips. your explanation on structs is on point and i am thankful to you . keep up the good work brother
man. You have no idea how this video helpful to me, I’ve been struggling about the struct for whole day and this video just explained all my questions. Thanks a lot about your efforts. Keep creating these content please!!!❤❤❤
You're awesome, man. Love your step by step explanations.
AAAAAAWWWWWSSSSOOOOMMMMMEEE EXPLANATION! Thank you!
lol, I didn't see I'd already commented below. Well, it's the 1000th time I'm watching. Very instructive!
thanks for the video! love how you make it short and simple
Very comprehensive explanation! Congrats!
Thank you boss !! 😎
WOW!! Keep up with the good work, you're a great teacher
Such a nice course!
You can expand the topic by explaining how to interact with a mapping within a struct.
Thanks.
Hi! Beginner here. Thanks for this tutorial.
I want to know how we can use this code: Car public car?
Particularly how can we use the "car" based on that code?
Got it! Though I think it’s time for me to spend a few days to a week and go back and review everything I’ve learned, and forgot lol. Thus meaning more views for you.
How to use
mapping(address => Car[]) public carsByOwner;
I'm unable to make use of it in contract.
what should I insert as address, uint156 arguments?
Please answer soon!, Thank you.
bruh you obviously need to insert address type value for address type key🦧
Variable that defined in memory is alive as function running. So, what is the difference between 'memory' variable and local stack variables ?
Finally, an answer to the question "wer lambo"
When we push inputs to an array of struct "Transaction[] public transactions;" why do we include "Transaction" in "transactions.push(Transaction(*values*));" but when we access it with "require(!transactions[_txId].executed, "error") we do not include "Transaction" ?
First code is creating a struct Transaction and storing it into an array
Seconde code is accessing Transaction struct stored in the array
!
Sorry for my answer but I am a novice. Could someone explain me the reason why a mapping (address => Car[]) it's been created even if address is a data already included into the Struct?
No particular reason. It can be removed
Is there any reason I need to create a memory variable _car to get the values/ element values for the cars stored in the array, can't I just call the array directly?
You can. Depending on code, it might consume lower gas to load struct to memory first.
Hi, thanks for the video. Is there any chance to migrate a structure?
Let say I want to add a colour property to Car strict, how can I modify current structure data saved in blockchain?
Copy all data over to a new contract
I dont think you can modify anything that was deployed on the blockchain....blockchains cannot be changed.
Is struct similar to objects of type class in object orriented programming?
I don't know type class
Most programming language have a struct
Yes its similar concept
is Car[] public cars; created on memory by default?
storage
Please make a video on how to make refferal smart contract up to 5 levels with their income their refferel referee and team
Hello sir, the property model isn't "string memory model". Why?
don't need to specify data location for structs
@@smartcontractprogrammer noted