constants

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C++ - enum vs. const vs. #define

At the end of the article here: http://www.learncpp.com/cpp-tutorial/45-enumerated-types/, it mentions the following:[详细]

2023-04-11 18:36 分类：问答
Defining constants for a number of scripts and modules in perl

I am facing the followin开发者_开发百科g problem: I am working on a perl project consisting of a number of modules and scripts. The project must run on two different machines.[详细]

2023-04-11 10:23 分类：问答
Can't get constant from dynamic class using namespaces

I\'m not able to get a constant from a class which is defined by using a string variable and PHP 5.3. namespaces. Example:[详细]

2023-04-11 03:20 分类：问答
why a "char*" can point to a "const char*"?

the following code can be compiled correctly on both VC or gcc: char *str = \"I am a const!\"; str[2] = \'n\';[详细]

2023-04-10 15:54 分类：问答
Constant array of constant objects

How do you define constant array of constant objects in C (not C++)? I can define int const Array [] = {[详细]

2023-04-10 10:49 分类：问答
"surprising" constant initialization because of definition order

When reading the slides about constexpr the introduction is about \"surprisingly dynamic initialization with consts\". The example is[详细]

2023-04-09 18:20 分类：问答
Placement new breaks consts and references?

Following the discussion on my answer to this question, apparently: the following code is allowed struct Foo {[详细]

2023-04-09 17:26 分类：问答
c++ const symbols inflating linked file

In C++ is legal to put a const in the header file, usually the C way would be to put the extern declaration in the header and the definition in just one compilation unit, but in C++, the former techni[详细]

2023-04-09 14:03 分类：问答
Converting a string to a defined constant in PHP

Let\'s say I have defined the constant ERROR_0 as follows: define("ERROR_0","An error occurred.")[详细]

2023-04-09 09:26 分类：问答
How to initialize constant member C array in an Objective-C class?

how can I create a constant C array member in an Objective-C class? The lifecycle should be limited to the classes lifecycle and I don\'t want to use malloc.[详细]

2023-04-09 08:15 分类：问答