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 …
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.
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 · Typically "rule of zero" does not claim itself to be the universal truth. It is usually stated with the caveat that the more correct statement is "rule of (either five or zero, no in-between)". The …
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 …
What is a term for a function that when called repeatedly, has the same ...
Mar 4, 2019 · This type of function / operation is called Idempotent Idempotence (UK: /ˌɪdɛmˈpoʊtəns/, [1] US: /ˌaɪdəm-/) [2] is the property of certain operations in mathematics and computer science …
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 …
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 …
performance - Why does expressing calculations as matrix ...
If I were to calculate the matrix multiplication in the second (matrix-based) image myself, as a human, I'd do it by sequentially doing each of the distinct calculations shown in the first (scalar) image.