Use this tag for questions related to declare, which is usually meant for declaring variables, statements, etc.
Questions tagged [declare]
642 questions
-2
votes
1 answer
Define an element that points to a same element type in C++
I want to define an element that points to a same element type, something like this:
#define Foo { Foo*, ..., ... }
For example, this helps me to create a simple tree without creating any auxiliar class:
#define TreeNode std::deque(std::pair(char,…
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Santiago Gil
- 1,152
- 4
- 17
- 47
-2
votes
1 answer
C# paste T model class dynamically as variable
I want to store my model class as a variable and use it in all my code dynamically. For example I have something like this:
IEnumerable students = GetAllStudents();
Normally I must always declare and retype Student class. But I need to…
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user6926954
- 3
- 2
-2
votes
3 answers
C++ declaration error
I am currently working with arrays and moving around the data from array to array, however, that isnt the issue the issue is within my void functions more specifically my for loops i dont know why it won't compile when it looks correct to me and I…
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Morgan
- 1
- 2
-2
votes
1 answer
Fatal error: Cannot redeclare email() previously declared in
I am creating my login page and when I loaded it up I seemed to get this error saying:
Fatal error: Cannot redeclare email() (previously declared in /home/a4625512/public_html/core/functions/general.php:2) in…
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Brandon Russell
- 11
- 7
-2
votes
1 answer
How do I insert the output of these loops into my table?
Declare @PASS char(16)
Declare @COUNTER int
SET @COUNTER = 0
While @COUNTER < 2
begin
select @PASS =replace
(replace
(replace
(replace
(replace(
…
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user1234
- 21
- 4
-2
votes
1 answer
Declare Syntax error in Mysql
DECLARE @id uniqueidentifier
SET @id = NEWID()
When I try to use the above declare to set up unique identifier, I am getting the below error:
DECLARE @id uniqueidentifier SET @id = NEWID() Error Code: 1064.
You have an error in your SQL…
![](../../users/profiles/4805457.webp)
jack
- 1
-2
votes
2 answers
Qt declaring member names using a loop
I need to work with 512 individual rectangle items in Qt which I am implementing in a QGraphicsScene. I don't really want to declare all 512 elements manually unless I really have to. At the moment I have something like:
QGraphicsRectItem…
![](../../users/profiles/4613431.webp)
Mitchell D
- 415
- 7
- 22
-2
votes
2 answers
Declare scalar variable SQL
My problem is i want to use this local variable inside my update query, is there a way of doing this?
DECLARE @listStr VARCHAR(MAX)
SELECT @listStr = COALESCE(@listStr+''',''' , '') + cast(int_guid as varchar(max))
FROM ex_in
SELECT…
![](../../users/profiles/3209714.webp)
Girre
- 47
- 9
-2
votes
1 answer
How can I declare cookie
I am trying to make this code work fine as i can but i couldnt,i am using cookie and i want to rebind my ListView depending on cookie Location but i am getting error message: "Must declare the scalar variable "@Location"."
protected void…
![](../../users/profiles/3882826.webp)
Wiliam J
- 17
- 6
-2
votes
2 answers
How do I declare an array in bluej?
private Piece[][] board;
public cboard(){
this.board = new Piece[8][8];
}
public boolean isEmpty(int x, int y){
boolean empty= true;
if (board[x][y] != null){
empty= false;
}
return empty;
}
…
![](../../users/profiles/3742283.webp)
user3742283
- 1
- 1
- 1
-2
votes
2 answers
declaring a big list of variables
I have a big list of variables:
$variable_1 = $_POST['variable_1'];
$variable_2 = $_POST['variable_2'];
$variable_3 = $_POST['variable_3'];
$variable_4 = $_POST['variable_4'];
...
..
.
$variable_86 = $_POST['variable_86'];
What would be the best…
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bryan
- 7,656
- 12
- 65
- 136
-2
votes
1 answer
Declare variables in Microsoft Visual C++?
Where should i declare the variables i like to use in windows forms?
private: System::Void Form1_Load(System::Object^ sender, System::EventArgs^ e) {
int iMyvariable = 1;
}
private: System::Void button1_Click(System::Object^ …
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imi007
- 23
- 2
- 5
-2
votes
1 answer
how to create view with variables inside?
i have some code here but first i want to explane my question.
i want to create a view but thats not possible in a view because my SELECT statement hase some variables in it i have seen some answers with function but i dont know how the parameters…
![](../../users/profiles/2289664.webp)
Jeroen
- 209
- 2
- 3
- 13
-2
votes
1 answer
How i can to declare putStrLn or print in Haskell
my answer is:
How can i declare print in function?
bisiesto :: Int -> **?**;
bisiesto x = if (x `mod` 4 == 0 && ((x `mod` 100 /= 0) || (x `mod` 400 == 0))) then print("Es bisiesto") else print("No es bisiesto");
Please, who can i help me? Thanks.
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jordiAnd
- 129
- 1
- 1
- 8
-3
votes
4 answers
How to declare arrays in python3
I want to declare an array in python3. I tried but I got an error
Python 3.6.7 (default, Oct 22 2018, 11:32:17)
[GCC 8.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> ip_pb=[]
>>>…
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Janith
- 353
- 3
- 12