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I'm having difficulty formulating this question, and therefore, I can't search for the answer in google.
My question is whether a function exists which can auto-comment/auto-uncomment blocks of code. Or is there a way to automatically remove or ignore certain lines when the code is built?
Maybe it can be done with directives?
It sounds like you are asking about #if which skips sections of code based on compiler settings.
Microsoft's documentation on the feature is located on MSDN note that this link may contain compiler specific rules (I didn't read through all of it).
I'm having difficulty understanding your question. Are you looking for a shortcut to automatically comment out a section of code? If so, consider this, from the Codeblocks manual:
Comment highlighted code | Ctrl-Shift-C
Uncomment highlighted code | Ctrl-Shift-X
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I am unable to understand the behavior of comments in C++. Why comment not executed by the compiler , what's the main reason, and in which header file the definition of comment can exit.
Thanks
Comments (single line or multi lined) are not a part of the executable/ library. It is just in place, basically to document the code and make it easier to understand what's going on. Sometimes when the same source or header file is edited by multiple programmers, the other programmers might not know what a particular statement would do, how much it costs (performance and/ or memory), if it might throw an error and so on. The compiler basically ignores these statements as they are not needed to build the actual compiler output.
C++ has two main comment syntaxes,
//: Single line comments.
/* */: Multi line comments.
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When debugging code, when it comes to the rand () function, it asks where the file is. This file is not in libraries at all. What to do?
Your debugger is looking for source code to make itself more useful. In the case of compiled files that are part of glibc, that's not on your system. The path shown is just the path in the original build environment; that's irrelevant. It can use random.c if found elsewhere, but you need to tell it where to look.
The good news is that you can probably install a package to make this work. Which one depends on your operating system; you did not tell us what that is.
However I'd just hit "cancel". You don't need to debug the internals of glibc, unless you're actually trying to find bugs in glibc.
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I want access to a complete list of function signatures that were present in C++11 but removed in C++14 and also list of function signatures that were added in C++14.
I do not want to scrape the standard to look for the difference.
Is there a faster way to do it?
Thanks everyone for the help.
I have stumbled upon a link that clearly highights the difference between the two versions and is proving to be very informative to me.
I am posting it here so that if anyone has the same question as mine, they can refer here.
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p1319r0.html
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I am not finding the different names of the different software which generate a documentation (Readme.txt) from the comments mentioned on the different Header and Cpp files, directly extracted from a visual studio solution C++ / project.
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Another point of view, consideration of Natural Docs (only applied for Perl in my case but usable for C# in addition)
A couple of years ago, NDoc was suitable. Maybe that would not be working for VS 10.
You should look at Sandcastle help file builder. It is a set of tools that generate documentation in different formats from the XML comments in the source files.
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I have the following problem:
I have a configuration file that consists a description of fields , which I read it and then parse it. I want to move it into the code to compile it inside.
How would you do that as bug structure ??? or else ?
Thanks
I wouldn't move it into the code, I'd leave the configuration file as a configuration file.
If you really must do this, you can just embed the file as a string resource into the application and use that - that way you'd change only a minimal amount of existing code. The way you do this depends upon your platform.
If thats not feasible (for whatever reason) I'd set up a single configuration class / namespace to contain all the values.
It's not very clear what are you exactly asking.
If you are looking for on-the-fly code execution (like eval() function in some languages), then there is no such thing in C++. It's not an interpreted language which can be read and executed line-by-line, it needs to be compiled every time code changes. While it technically is possible to write self-changing code, it's probably not worth the effort.