constants

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Rails 3.1: Model Constant in initializer causes warning

I have monkey patched the Tag class of the ActsAsTaggableOn plugin in an an initializer. All works fine, however I get a warning for a constant I added to Tag:[详细]

2023-03-25 23:03 分类：问答
Why does C++ not have a const constructor?

(Edit: Heavy change because previous example was flawed, which may make some answers/comments seem odd)[详细]

2023-03-25 22:30 分类：问答
Does C++11 allow vector<const T>?

Container requirements have changed 开发者_StackOverflow中文版from C++03 to C++11. While C++03 had blanket requirements (e.g. copy constructibility and assignability for vector), C++11 defines fine-gr[详细]

2023-03-25 21:53 分类：问答
How to write constant inside module?

module Test1 module Test2 def self.included(base) # Where can I declare constant ? How ? base.extend ClassMethods[详细]

2023-03-25 15:50 分类：问答
Function call constant propagation in C++

I couldn\'t find the answer through searching, so next step is asking. Say I have some code like this:[详细]

2023-03-25 15:42 分类：问答
Is there any benefit to declaring a const rather than a variable inside a function?

If I have a function which only exists for a short amount of time, does making the list of colors a constant make a difference?[详细]

2023-03-25 13:29 分类：问答
Constants and scope in loops with Ruby

In this question I found an interesting detail about scope of a final variable in Java. I don\'t know Java good enough, but I think that final is identical to a constant in Ruby.[详细]

2023-03-25 09:29 分类：问答
defer final value to subclass java

I have a question similar to In Java, why can't I declare a final member (w/o initializing it) in the parent class and set its value in the subclass? How can I work around? but which requires a di[详细]

2023-03-25 05:25 分类：问答
Objective-C: static field and implementing singleton pattern

Good day, friends. O开发者_运维问答nce again stupid question about Obj-C from newbie :) I\'m trying to implement singleton design pattern in Obj-C:[详细]

2023-03-25 05:10 分类：问答
Question about variables with combination of extern and const

I googled const + extern on the internet, but it seems there isn\'t really a good answer for my question.[详细]

2023-03-25 04:52 分类：问答