Post your code on Godbolt or wandbox

cant send link here, robot blocks

cant send link here, robot blocks

You can send links to Godbolt and wandbox. They are not blocked

You can send links to Godbolt and wandbox. They are not blocked

can i send you my code so you post here?

can i send you my code so you post here?

Just post the link to wandbox or Godbolt. If it gets deleted by the bot, I can still recover it

You can send links to Godbolt and wandbox. They are not blocked

cuz wandbox and other one are both blocked here i must get a vpn first

If you want to access them only through virtual functions base class, you can store them as unique_ptr to base class. Otherwise you can store them as std::variant or std::any

thank you a lot! you solved my issue

Hi everyone can someone helps me to solve the problem with SFML library and loading photo. Failed to load image "/Users/diyorbekmusayev/Desktop/University/HiSFML/2d.png ". Reason: Unable to open file

Hi everyone can someone helps me to solve the problem with SFML library and loading photo. Failed to load image "/Users/diyorbekmusayev/Desktop/University/HiSFML/2d.png ". Reason: Unable to open file

is that file there?

You mean address of file?

Hi everyone can someone helps me to solve the problem with SFML library and loading photo. Failed to load image "/Users/diyorbekmusayev/Desktop/University/HiSFML/2d.png ". Reason: Unable to open file

You have an extra space at the end of the file path

Hi everyone can someone helps me to solve the problem with SFML library and loading photo. Failed to load image "/Users/diyorbekmusayev/Desktop/University/HiSFML/2d.png ". Reason: Unable to open file

Hi, It sounds like you are having difficulty loading an image into the SFML library. The first thing you should do is check that the path you have specified is correct. Make sure that you have spelled the path correctly, and that all of the file names and folders match up exactly. If the path is correct, then you may need to check the permissions for the file. Make sure that the user who is running the program has access to read from the file. If the path and permissions are correct but you are still having trouble, then you may need to check the format of the image. Make sure that it is a format supported by the SFML library. It is also possible that the image itself is corrupted in some way. You could try using a different image or converting the image to a different format and trying again. I hope this helps!

Hi everyone, pls, what is the difference between strupr() and toupper()? since both can make a string uppercase.

Hi everyone, pls, what is the difference between strupr() and toupper()? since both can make a string uppercase.

toupper is a function to make a char uppercase not string uppercase and it's a part from C ISO. strupr is non standard Microsoft-specific function

toupper is a function to make a char uppercase not string uppercase and it's a part from C ISO. strupr is non standard Microsoft-specific function

🙏Thanks

🙏Thanks

You can even create strupr function by yourself

You can even create strupr function by yourself

How?

guys, can a function/template have different behaviours according to the noexcept attr of the calling site?🤣

Can u share c++ projects from basic to advance

𝕱𝖗𝖔𝖟𝖊𝖓 sent a code, it has been re-uploaded as a file

𝕱𝖗𝖔𝖟𝖊𝖓 sent a code, it has been re-uploaded as a file

I am not getting colored output Is this code right ?

How?

Learn about function in C/C++ and then come back to ask again how to do it.

hello guys,i am a novice at cpp

i am interested in how the memory adresses are associated to identifiers and the internal stuff behind c

so can you suggest me some book which can give an introduction to how the internals work

Learn about function in C/C++ and then come back to ask again how to do it.

Thanks so much🙏

so can you suggest me some book which can give an introduction to how the internals work

At assembly language level, the identifiers you use don't matter as all the instructions operate on memory directly. Labels do exist in assembly language but they are more of a convenience for hand written assembly code and are used to mark segments of code rather than individual values. From your question, I gather that you either want to understand how compilers/interpreters work or you want to understand assembly language. You can read a good book on it (there are many) but I would suggest learning more of C rather than going into compilers at this stage. Once you become comfortable with C programming, some of these concepts would self reveal themselves at which point learning either assembly or compilers would be an easier task.

At assembly language level, the identifiers you use don't matter as all the instructions operate on memory directly. Labels do exist in assembly language but they are more of a convenience for hand written assembly code and are used to mark segments of code rather than individual values. From your question, I gather that you either want to understand how compilers/interpreters work or you want to understand assembly language. You can read a good book on it (there are many) but I would suggest learning more of C rather than going into compilers at this stage. Once you become comfortable with C programming, some of these concepts would self reveal themselves at which point learning either assembly or compilers would be an easier task.

Thank you for guidance

i am interested in how the memory adresses are associated to identifiers and the internal stuff behind c

Memory addresses are not associated to identifiers. A variable can even occupy no memory at all. I would suggest not to study high level languages by reading low level semantics, which will later trap you into specific implementation details and prevents you from writing portable code.

Memory addresses are not associated to identifiers. A variable can even occupy no memory at all. I would suggest not to study high level languages by reading low level semantics, which will later trap you into specific implementation details and prevents you from writing portable code.

Precisely why i asked the question since i wanted to delve into the internals at some point.

Thank you for the guidance tho

Precisely why i asked the question since i wanted to delve into the internals at some point.

When you say internals, we have compiler internals, x86 or arm or whatever machine internals, and language standards. They are different things. Assembly is not the internal of C language.

When you say internals, we have compiler internals, x86 or arm or whatever machine internals, and language standards. They are different things. Assembly is not the internal of C language.

computer architecture essentially

computer architecture essentially

Well, this topic is not related to C at all.

Well, this topic is not related to C at all.

Ic

Well, this topic is not related to C at all.

anyways pal thanks for yo time

signing off

Bobo sent a code, it has been re-uploaded as a file

Bobo sent a code, it has been re-uploaded as a file

Hello everyone, I'm new to C, I mostly write in higher-level languages, but still, I ran into a problem in the XOR function, when I go through a string and XOR results in 0x00, then the length of the string is simply cut off, I understand that this is the end-of-line character, but anyway, how can I solve this problem, here is the function code (*len input_str == len xor_str)

Hello everyone, I'm new to C, I mostly write in higher-level languages, but still, I ran into a problem in the XOR function, when I go through a string and XOR results in 0x00, then the length of the string is simply cut off, I understand that this is the end-of-line character, but anyway, how can I solve this problem, here is the function code (*len input_str == len xor_str)

Are you trying to use some string operation on the "XORed" string? Instead you probably need to store the length of the strong and use operations with arrays

♞♛♜ sent a code, it has been re-uploaded as a file

I try to write without using libraries at all, but if some are used, I take them directly, then I just have stdlib disabled

♞♛♜ sent a code, it has been re-uploaded as a file

Hello, I'm going to face this problem. ‘__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >’ is not derived from ‘std::istreambuf_iterator<_CharT>’ vector<string>::iterator *it = find(mycolor.begin() , mycolor.end() , "red");

Well, there is an input_str of 3000 characters, for example, if after 4 iterations, it will result in xor 0x00, then the length of the string becomes 4 and is not added further

Hello, I'm going to face this problem. ‘__gnu_cxx::__normal_iterator<std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >’ is not derived from ‘std::istreambuf_iterator<_CharT>’ vector<string>::iterator *it = find(mycolor.begin() , mycolor.end() , "red");

I also mentioned the IT variable but it didn't matter

Well, there is an input_str of 3000 characters, for example, if after 4 iterations, it will result in xor 0x00, then the length of the string becomes 4 and is not added further

How did you get the "length"?

size_t sl(const char* str) { size_t len = 0; while (*str++) len++; return len; }

How did you get the "length"?

I try not to use libs for the simple task of counting the length of a string

I try not to use libs for the simple task of counting the length of a string

There is no way for you to "count" the bytes. Just use whatever in the input.

The problem is not with the length everything is ok, in the debugger everything is ok, the length is correct

Hello everyone, please advise articles or videos about SAST?

size_t sl(const char* str) { size_t len = 0; while (*str++) len++; return len; }

Hi I have a suggestion for you, i hope it works Instead of searching like this in the while, search for null character '\0' .

Fuck, I'm a fool, it's just a debugger, for output it translated into a string and output a short value, but the data was still stored there

Hi I have a suggestion for you, i hope it works Instead of searching like this in the while, search for null character '\0' .

while (*str++) is basically while (*str++ != '\0')

I have encountered an issue. I have been studying mobile app development and artificial intelligence, but unfortunately my laptop has recently malfunctioned. I was hoping you might be able to assist me in resolving this problem. Thank you.

while (*str++) is basically while (*str++ != '\0')

Yeah both of them are the same, was just a suggestion, however i asked chatGPT and apparently the null character method is safer but i couldn't understand why😕 i kept asking gpt for an example that *str++ fails and crashes but it didn't generate any good example that would prove 🤷‍♂️

I think they are bots...

Yeah both of them are the same, was just a suggestion, however i asked chatGPT and apparently the null character method is safer but i couldn't understand why😕 i kept asking gpt for an example that *str++ fails and crashes but it didn't generate any good example that would prove 🤷‍♂️

If you get to the weird system where '\0' has different value that zero then while(*str) will not work. But I never hit that system nor heard of.

If you get to the weird system where '\0' has different value that zero then while(*str) will not work. But I never hit that system nor heard of.

Yeah that's the case 👍 otherwise both of them are same

Ziky the red fox please dm me

If you get to the weird system where '\0' has different value that zero then while(*str) will not work. But I never hit that system nor heard of.

No. The standard says this: "A byte with all bits set to 0, called the null character, shall exist in the basic execution character set; it is used to terminate a character string." while(*str++) will work fine for null terminated strings and is preferred to the verbose alternative.

Yeah both of them are the same, was just a suggestion, however i asked chatGPT and apparently the null character method is safer but i couldn't understand why😕 i kept asking gpt for an example that *str++ fails and crashes but it didn't generate any good example that would prove 🤷‍♂️

safe strlen would check if it's a valid address first or not NULL and provide the string size. Otherwise, it's the programmer fault for non-zeroterminated string

launch json errors . in vscode. help needed

coding community, i need help to solve a problem. i solved the problem all the given testcase are passed but when i submitted it is giving wa

link:https://atcoder.jp/contests/arc159/tasks/arc159_b

my code: ```cpp

P sent a code, it has been re-uploaded as a file

Hello, I'm passing local (not a class member) object using delegate pattern from A to B class, smth like (pseudocode) delegate.didChangeSmth(QBrush(a, b, c)); Should this "brush" parameter be wrapped with std::shared_ptr?

This is an English-only group right?

This is an English-only group right?

you are correct :)

go check group rule

But i don’t speak English.

But i don’t speak English.

Use translator bro

Use translator bro

Yeah,I will.

Hello, I'm passing local (not a class member) object using delegate pattern from A to B class, smth like (pseudocode) delegate.didChangeSmth(QBrush(a, b, c)); Should this "brush" parameter be wrapped with std::shared_ptr?

It depends how didChangeSmt passes it, and how the function that is called stores it. Ideally you pass it by value, or by const ref or rvalue ref (basically, not by mutable ref), and don't store it by reference in the end, then you don't need shared_ptr

I think in QT you can pass any (qt) object by value. Potential big data will be shared until you alter them

I m not advertising☹️

I m not advertising☹️

you are advertising a job when you will pay someone for program. that is advertising, is it not?

My 10k$ are stuck in my wallet and i am unable to find my private key☹️

sus