stdvector

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How does the capacity of std::vector grow automatically? What is the rate?

I had been going through the Book: C++ Primer, Third Edition By Stanley B. Lippman, Josée Lajoie, found 1 mistake in the program given under the Article 6.3 How a vector Grows Itself, this program mi[详细]

2023-02-15 07:20 分类：问答
C++: vector<string> *args = new vector<string>(); causes SIGABRT

Pretty self explanatory. Here\'s the method that\'s causing the SIGABRT on the \'new vector\' line: vector<string> * Task::arguments() {[详细]

2023-02-11 02:13 分类：问答
How do I print out the contents of a vector?

How do I print out the contents of a std::vector to the screen? A solution that implements the following operator<< would be nice as well:[详细]

2023-02-08 04:00 分类：问答
strings and a store

In the below program a string is added to an empty store. Then the address of this store element is stored in the pointer \'s1\'. Then another string is added and this somehow causes the pointer to th[详细]

2023-02-06 21:33 分类：问答
How to copy a range of data from char array into a vector?

I\'ve read file contents into a char array, and then read some data of it into a vector. Ho开发者_Go百科w can i copy a range of the char array into the vector? both vector and char array is the same t[详细]

2023-02-06 03:51 分类：问答
On different ways of filling a vector

I can think of three ways of filling a std::vector Suppose we have vector<int> v(100, 0); Then I want it to hold (1, 1, 1). We can do:[详细]

2023-02-04 04:30 分类：问答
Correct way to work with vector of arrays

Could someone tell what is the correct way to work with a vector of arrays? I declared a vector of arrays (vector<float[4]>) but got error: conversion from \'int\' to non-scalar type \'float [[详细]

2023-02-02 23:51 分类：问答
std::vector abort problem

I\'m having diffuculty with the example below, the last line is producing an \"abort has been called\" error. I don\'t see why this should be.[详细]

2023-02-02 10:46 分类：问答
Accessing std::map keys and values

How do you access an s开发者_如何学运维td::vector of the keys or values of an std::map? Thanks.[详细]

2023-02-02 05:24 分类：问答
how do i create a map and iterate between exp_tag and lhs to print them in sorted order?

extern int JAX_EXP_DEBUG_print_all_exps_in_session ( ) { tag_t part_tag = NULL_TAG; for ( PART_cycle_parts_in_world ( &part_tag ); part_tag; PART_cycle_parts_in_world ( &part_tag ) )[详细]

2023-01-29 11:00 分类：问答