scalar

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Scalar vs list context in Perl

I found an example in an O\'Reilly book a little weird: @backwards = reverse qw/ yabba dabba doo /; print \"list context: @backwards开发者_StackOverflow\\n\";[详细]

2023-02-14 21:49 分类：问答
Operation returns a scalar value when a vector of values is expected

I\'m evaluating a simple function: y = (2*x)/sqrt( 1 + x.^2 ); Where x is a vector with about 100 values in it. However, MATLAB makes y equal to a single scalar value in this instance. If I do:[详细]

2023-02-06 23:28 分类：问答
NASM - Extending label with bit flag

I need to set the highest bit of some label address/offset. I tried: test.nasm: BITS 32 dw mylabel | 0x8000[详细]

2023-01-29 03:25 分类：问答
MDX Sine Function

Can I use the sine function within MDX? I woul开发者_StackOverflow社区d like to know the sine of a measure.You can call into the VBA assembly in SSAS, you\'ll notice it in the SSAS Server assemblies f[详细]

2023-01-16 05:41 分类：问答
Calling 'scalar' on the results of the range operator (..) in Perl

So, I believe this has something to do with the difference between arrays and lists, but I don\'t understand what\'s going on here. Can anyone explain how and why Perl treats an expression like (1..4)[详细]

2023-01-09 17:14 分类：问答
returning a lazily-computed scalar, in perl

I\'m trying to add some functionality to our code base by using tied scalars. We have a function which is specified to return scalars. I thought I could add some features to the system by tie-ing the[详细]

2023-01-09 13:55 分类：问答
OpenCV multiply scalar and a Matrix

I am trying to find the easiest way to add, subtract a scalar value with a opencv 2.0 cv::Mat class. Most of the existing function allows only matrix-matrix and matrix-scalar operations.[详细]

2023-01-01 05:24 分类：问答
C - only scalar operations?

Reading on Wikipedia: \"The terms high-level and low-level are inherently relative. Some decades ago, the C language, and similar languages, was most often considered \"high-level\", as it supported[详细]

2022-12-21 06:34 分类：问答
Hibernate Criteria API and Scalar Subqueries

I want to translate a HQL query to Criteria API but I don\'t know if it\'s possible to write the same thing with Criteria.[详细]

2022-12-20 00:28 分类：问答
How should I use Perl's scalar range operator?

What is the scalar \"..\" operator typical usage? Is it only selecting blocks of text? Interesting example by myself:[详细]

2022-12-18 01:33 分类：问答