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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-errors

Subtag of compiler

Use for questions about errors appeared during the compilation phase (e.g. syntax, semantic errors).

This tag doesn't have a detailed wiki yet.

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Q&A Redshift int casting from varchar - how to force early evaluation order?

Context: I have a varchar column in a segment event table that contains version numbers. Most of these are formatted nicely as X.Y.Z (major.minor.patch) where X, Y, and Z are integers. However, the...

0 answers  ·  posted 6mo ago by Sigma‭

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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 8mo ago by davidalayachew‭  ·  edited 8mo ago by davidalayachew‭

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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 must a C compiler do when it finds an error?

What exactly must a C compiler do when it finds a compile-time error? The most obvious kind of errors are language syntax errors, but the C standard also speaks of constraints, which are rules tha...

1 answer  ·  posted 3y ago by Lundin‭  ·  edited 2y ago by ghost-in-the-zsh‭

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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 How can I define a method on [&mut T] where T: MyTrait?

I'm trying to make a trait method callable on mutable slices of a type implementing that trait (see main). Rust doesn't like me for it. use core::convert::AsMut; trait A { type B; fn f(m: ...

1 answer  ·  posted 3y ago by wizzwizz4‭  ·  last activity 3y ago by r~~‭