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  1. terminology - What does it mean when data is scalar? - Software ...

    May 5, 2014 · The word scalar derives from the Latin word scalaris, an adjectival form of scala (Latin for "ladder"). The English word "scale" also comes from scala. Source. A Scalar is a …

  2. 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 …

  3. 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 …

  4. data structures - How to represent a set in JSON? - Software ...

    Aug 6, 2017 · Take a scalar, say 0 or null and force it to be the value of every key in the map: {"a": 0, "b": 0} This way, under standard comparison tools, the objects are equal, even if the key …

  5. performance - Why does expressing calculations as matrix ...

    Using SIMD instructions (confusingly, this is also called "vectorization" but in a different sense than in the text quotes in the question). In essence, instead of 4 or 8 or so scalar arithmetic …

  6. web api - Use empty string, null or remove empty property in API ...

    Mar 8, 2017 · Going with an empty string is a definitive no. Empty string still is a value, it is just empty. No value should be indicated using a construct which represents nothing, null.

  7. What is meant by a primitive data type?

    Mar 15, 2012 · 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 be …

  8. Why Protobuf 3 made all fields on the messages optional?

    Jun 8, 2017 · The syntax 3 of protobuf made all the fields optional dropping the keywords required and optional from previous proto2 syntax. Reading some comments from developers it seems …

  9. artificial intelligence - How to run 2-layer perceptron to solve XOR ...

    Oct 7, 2016 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …

  10. What's faster.. Multiple variables or single array?

    The compiler may apply scalar replacement of aggregates (SRA, SRoA), which means the local array (which is used in elementwise single assignment way) approach and the local variables …

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