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Q&A

Welcome to Software Development on Codidact!

Will you help us build our independent community of developers helping developers? We're small and trying to grow. We welcome questions about all aspects of software development, from design to code to QA and more. Got questions? Got answers? Got code you'd like someone to review? Please join us.

Posts tagged compiler-warnings

For questions dealing with non-blocking messages emitted by a compiler when it finds potential problems in code or configuration.

This tag doesn't have a detailed wiki yet.

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Q&A How to trigger an error/warning immediately upon compile/run if an item on my class-path is missing

I have a very simple source file -- HelloWorld.java public class HelloWorld { public static void main(String[] args) { System.out.println("hello world"); } } I have th...

0 answers  ·  posted 10mo ago by davidalayachew‭  ·  edited 10mo ago by davidalayachew‭

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+3 −0
Q&A Assert that some code is not present in the final binary, at compile or link time.

I'd like to assert that some code can be optimized out, and is not present in the final binary object. #define CONSTANT 0 #if (!CONSTANT) [[landmine_A]] #endif static int foo(void); void...

1 answer  ·  posted 2y ago by alx‭  ·  last activity 2y ago by alx‭

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Q&A What compiler options are recommended for beginners learning C?

When reading questions about C programming from beginners, I very often see them describing peculiar run-time errors and crashes, segmentation faults and similar. They have spent a lot of time chas...

1 answer  ·  posted 3y ago by Lundin‭  ·  edited 2y ago by Lundin‭

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Q&A What might happen if I ignore warning?

#include <iostream> using namespace std; int linearSearch(int array[], int n, int key){ for(int i=0;i<=n;i++){ if(array[i]==key){ return i; } } } int main() { int ...

2 answers  ·  posted 3y ago by Anonymous‭  ·  last activity 3y ago by Lundin‭

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Q&A Warn of implicit cast in a function's arguments with GCC?

In the C program below, I make a mistake and call the function with (ld, ld) instead of (d, ld). #include <stdio.h> #include <limits.h> void print_int_long(int n, long l){ pri...

2 answers  ·  posted 3y ago by Quasímodo‭  ·  last activity 3y ago by Lundin‭

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Q&A Scheme for cross-platform warning control?

tl;dr I'd like to learn a compact, cross-compiler way of selectively suppressing compiler warnings. Consider the case where you really mean to make an exact floating-point comparison using ==, o...

1 answer  ·  posted 3y ago by dmckee‭  ·  last activity 3y ago by Someone‭