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When do I use fabs and when is it sufficient to use std::abs?
I assume that abs and fabs are behaving different when using math.h . But when I use just cmath and std::abs , do I have to use std::fabs or fabs ? Or isn't this defined?
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Vim: What's the difference between let and set?
What's the difference between let and set in the vim editor?
5 Answers
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How do you find the row count for all your tables in Postgres
I'm looking for a way to find the row count for all my tables in Postgres. I know I can do this one table at a time with:
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What are the rules for the “…” token in the context of variadic templates?
In C++11 there are variadic templates like this one:
2 Answers
2
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POSTing a @OneToMany sub-resource association in Spring Data REST
Currently I have a Spring Boot application using Spring Data REST. I have a domain entity Post which has the @OneToMany relationship to another domain entity, Comment . These classes are structured as follows:
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What is object slicing?
Someone mentioned it in the IRC as the slicing problem.
18 Answers
18
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Default function arguments in Rust
Is it possible in Rust to create a function with a default argument?
6 Answers
6
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Why can't C++ be parsed with a LR(1) parser?
I was reading about parsers and parser generators and found this statement in wikipedia's LR parsing -page:
6 Answers
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Unit Testing C Code [closed]
I worked on an embedded system this summer written in straight C. It was an existing project that the company I work for had taken over. I have become quite accustomed to writing unit tests in Java using JUnit but was at a loss as to the best way to write unit tests for existing code (which needed...
SignalR: Why choose Hub vs. Persistent Connection?
I've been searching and reading up on SignalR recently and, while I see a lot of explanation of what the difference is between Hubs and Persistent Connections I haven't been able to get my head around the next level, which is why would I choose one approach over the other?
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