operator-precedence

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Why I can't define operator= with non-reference return type?

Operator= in C++ inside a class is being declared like this: MyType & operator=(const MyType & rhs);[详细]

2023-03-08 06:33 分类：问答
Why does postfix operator++ have higher precedence than prefix operator++?

Defined this way, we can do neither ++x++ nor ++x--. But on the other hand, both (++x)++ and (++x)-- are useful expressions: (++x)++ increments x by two and returns the value \"in the middle\", while[详细]

2023-03-07 08:11 分类：问答
Using multiple criteria in subset function and logical operators

If I want to select a subset of data in R, I can use the subset f开发者_如何学JAVAunction. I wanted to base an analysis on data that that was matching one of a few criteria, e.g. that a certain variab[详细]

2023-03-01 01:13 分类：问答
XSL template precedence

I have 2 Templates <template match=\"vehicle_details[preceding-sibling::vehicle_type = \'4x4\']/*\">[详细]

2023-02-27 11:21 分类：问答
Irony: How to give KeyTerm precedence over variable?

Relevant chunk of Irony grammar: var VARIABLE = new RegexBasedTerminal("variable", @"(?-i)\\$?\\w+");[详细]

2023-02-23 05:11 分类：问答
Operator precedence, which result is correct? [duplicate]

This question already has answers here: Closed 11 years ago. Possible Duplicate: Undefined behavior and sequence points[详细]

2023-02-22 19:03 分类：问答
Control validation annotations order?

A field has two validation annotations @NotEmpty @Length(min=3,max=100) String firstName; Observation If that field is left empty, the开发者_运维问答n the resulting violations vary in order:[详细]

2023-02-22 18:57 分类：问答
C++ commands executing out of order

I am attempting to make a simple shell program, and looking at a few examples have seen that most people use getline() to get input, however I have been trying to use read() and noticed a weird bug th[详细]

2023-02-22 07:50 分类：问答
why does *p++ = *p - a give strange results?

While working with large arrays, I am doing unsafe pointer computations like the following: *c++ = *a++ - *b++;[详细]

2023-02-22 02:09 分类：问答
Javascript order of evaluation

Came across this JS snippet, and I honestly have NO id开发者_运维问答ea of what order things are being evaluated in...[详细]

2023-02-21 16:56 分类：问答