global-variables

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Is it necessary to use a global variable?

I am facing an issue regarding global variable scope in p开发者_运维知识库hp. Below is my code snippet, can you tell me what am I doing wrong, and if the use of a global variable is unnecessary?[详细]

2023-04-13 09:54 分类：问答
C : Why isn't my global variable updating?

So I was bored today and decided to kick off the rust in my C skills, but I can\'t explain this: typedef struct Node[详细]

2023-04-13 08:04 分类：问答
Assining values to class variables

I\'ll try to keep this simple.开发者_开发百科 class MyClass { private int x = 3; } vs. class MyClass {[详细]

2023-04-13 07:19 分类：问答
PHP: Global variable for all pages

I need a constant that can be called from every php page. So, for example, I declare this constant somewhere, $APP_VERSION = \"5.5\".[详细]

2023-04-13 01:41 分类：问答
Can't set variable from $_POST

I can\'t set a variable from a post array. I have a simple form with a hidden field in it: <input name=\"sid\" type=\"hidden\" id=\"sid\" value=\"<?=$sid?>\">[详细]

2023-04-12 23:46 分类：问答
Accessing data from a callback

I have some code and data, both currently encapsulated within a struct, which in turn is within a namespace. I\'m trying to integrate an external library, which makes use of old-fashioned callbacks. I[详细]

2023-04-12 18:12 分类：问答
Global variables in shell script?

file.sh variable=\'String test!\' sh show.sh show.sh echo $variable 开发者_运维知识库 How to send variables to another file?[详细]

2023-04-12 13:59 分类：问答
Global Variable Curiosity

Say i have a bunch of functions that will be using int = price; for instance. Can i set this outside int main and all the functions 开发者_高级运维so they all call to it?[详细]

2023-04-12 08:07 分类：问答
My iphone code with a global variable is not working, please advise

I\'m new to objective-c and I searched and read several posts here on how to create \"global variable\" but I just can\'t get it to开发者_StackOverflow中文版 work right, so far I can create it and che[详细]

2023-04-12 07:46 分类：问答
How to access a global variable from a WebMethod?

I have the following global variable: private ArrayList listSelectedUnavailables { get { return (ArrayList)ViewState[\"listSelectedUnavailables\"];[详细]

2023-04-12 00:54 分类：问答