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 …
What are the "scalar fields" and "composite fields" in JAVA?
Jul 11, 2019 · The terms 'scalar type' or 'scalar field' are usually used to contrast them with compound types/fields. A compound type is easiest to define and it is a type that contains multiple distinct …
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 …
c++ - If you follow the rule of Zero, how will you debug the ...
Nov 28, 2017 · Most noticeable is if the destructor is called as part of a deletion on dynamic memory (delete). In the disassembly, one will see an actual function call to an address associated with …
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 …
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 …
Is there a reason "replace conditional with table" isn't a standard ...
Jul 29, 2025 · for speed you have to use low level arrays, not collections like lists and maps. Also, you have to avoid creating objects, unless there is a scalar optimization done by JIT.
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 …
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 …
Why do many programming languages lack standard vector types?
Mar 24, 2023 · Many languages such as C or even C++ or C# or Java have no natively supported vector (SIMD) types or functionality. In such languages, one would have to either use non-standard …