terminology - What does it mean when data is scalar? - Software ...
May 6, 2014 · The term "scalar" comes from linear algebra, where it is used to differentiate a single number from a vector or matrix. The meaning in computing is similar. It distinguishes a single value …
Recommended generic approach to checking scalar field presence in ...
May 29, 2023 · There are several questions related to presence field tracking of scalar fields in protobuf 3, but I didn't find any with generic default approach recommendation.
Paradigm for handling list of things or single elements
Sep 5, 2017 · @KilianFoth: I don't think this applies here. "Composite design pattern" would require to wrap the passed parameter in an additional class hierarchy, but additional wrappers is exactly what …
What is meant by a primitive data type?
It kind of depends on the language. For example, in languages like C and C++, you have a number of built-in scalar types - int, float, double, char, etc. These are "primitive" in the sense that they cannot …
data structures - How to represent a set in JSON? - Software ...
Aug 6, 2017 · JSON supports the following data structures (Java equivalents): Scalar, Array/List, and Map. A Set is not supported out-of-the-box in JSON. I thought about several ways to represent a set …
matlab - Plotting electrical field lines on a 2d plane - Software ...
May 5, 2015 · This question is ambiguously defined. Electrical field lines (as referenced in the title) are not the same as equipotential lines. Specifically the electric field E followed by electric field lines is …
c++ - Passing parameters that need to be copied by value or const ...
Dec 16, 2014 · @rwong: using "const reference" for function parameters in C++ is not more or less idiomatic than just passing parameters by value. It is typically (but not exclusively) used for passing …
Why exactly does Java not allow numeric conditionals like if(5 ...
May 12, 2017 · 0 Well, every scalar type in C, pointer, boolean (since C99), number (floating-point or not) and enumeration (due to direct mapping to numbers) has a "natural" falsey value, so that's good …
Why is negative zero important? - Software Engineering Stack Exchange
May 1, 2015 · In the second round, we make g(x) return positive zero for large x, which leads to f(x) being negative infinity, which is far from the truth. minimize_scalar finds such a case during its initial …
Is code written inline faster than using function calls?
Oct 16, 2022 · Python doesn't try to be very fast, it's not one of the language's priorities. And that's not really very functional, it's just splitting up the procedural code into multiple functions. An optimising …