constants

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c++: Passing const int to template function

I am using the rapidxml lib. It defines a function to parse files in this way: template<int Flags>[详细]

2023-04-06 16:11 分类：问答
Changing the elements of an array member of a const object

Can anyone explain to me why the following code works: #include <iostream> class Vec { int *_vec; unsigned int _size;[详细]

2023-04-06 11:29 分类：问答
Is there a way to change a member of a const struct?

I want to change a member of a const function argument. imagine this snippet from a texture class I am working on:[详细]

2023-04-06 08:16 分类：问答
Accessing a class constant using a simple variable which contains the name of the constant

I\'m trying to access a class constant in one of my classes: const MY_CONST = \"val开发者_开发技巧ue\";[详细]

2023-04-06 08:00 分类：问答
Appropriate use of global const variables in C++?

I am working on a program for my CS class. It is a simulation of a del开发者_C百科ivery company\'s activities at an airport.[详细]

2023-04-06 07:01 分类：问答
JTabbedPane: avoid automatic re-ordering tabs if stacked / Nimbus

a JTabbedPane is just what I need for m开发者_StackOverflow社区y purpose. I have very limited horizontal space, so my Tabs get stacked, which is perfectly ok.[详细]

2023-04-06 06:06 分类：问答
Validate model field: if value equals a key in a hash

In an initializer I have a huge COUNTRY_CODES hash, with format: { :us => \"United States, :de => \"Germany\" }[详细]

2023-04-05 22:16 分类：问答
why do class constants as default keys in arrays turn to numerical keys in php?

I would like to s开发者_如何转开发ave the user settings when to send an email. To achieve this I was going to make use of my system\'s class constants of the Mailing Class and use its constants as arr[详细]

2023-04-05 20:28 分类：问答
operator overloading and the usage of const_cast

For the following code snippet, class A{ const int a; public: A(): a(0){} A(int m_a):a(m_a){}; A& operator =(const A &other);[详细]

2023-04-05 11:30 分类：问答
Constant vs Unchanged Variable?

Is there any advantage to using开发者_如何学JAVA a constant (unchangable) than just not changing a variable?Depending on your language and compiler, a constant may get inlined & optimized when bui[详细]

2023-04-05 10:08 分类：问答