Use this tag for questions related to declare, which is usually meant for declaring variables, statements, etc.
Questions tagged [declare]
642 questions
-1
votes
2 answers
2D Vector with 3 columns and undeclared number of rows
How to declare a 2D Vector with following specifications:
Should have 3 columns (Ofcourse not actually but still)
Number of rows undeclared
Some suggest i should wrap an array inside a vector as below:
typedef array …
deepak09027
- 1
- 3
-1
votes
1 answer
How to select value of variable in ORACLE
Below is the SQL Server's syntax to select variable as a record
DECLARE @number AS INTEGER;
SET @number = 10;
SELECT @number;
How can I do this in ORACLE?
Thanks in advance.
Regards,
Sagar Nannaware
Sagar Nannaware
- 11
- 1
-1
votes
2 answers
PHP: using a switch to declare a string. Is this possible?
In the following code:
$num = Rand (1,2);
switch ($num)
{
case 1:
$var1 = "first value";
break;
case 2:
$var1 = "second value";
break;
}
My next part of coding needs the $var1 to be included inside an array of Jobs. Any idea how I would do this.…
user3103998
- 7
- 4
-1
votes
1 answer
Need help finding documentation for Ruby's declare method
Can someone tell me what this method does or where I can find documentation on it?
declare :percentage, [:value]
It's difficult to research this one because I keep getting documentation about declaring variables, methods, etc.
Thanks!
user2653980
- 11
- 2
-1
votes
1 answer
Passing 2 matrice of unknown sizes as parameters
First - my code that works:
void main(){
int mat1[5][5]={{1,2,3,4,5},
{6,2,5,5,6},
{1,5,6,6,7},
{4,5,6,7,8},
{5,6,7,8,9}};
int mat2[3][3]={{1,2,3},
{2,3,4},
…
Muli Yulzary
- 2,499
- 3
- 18
- 37
-1
votes
1 answer
bash -declare documentation
If you declare an array like this
declare -a test
you can echo the value like this
i=2
echo ${test[i]}
or
i="1+1"
echo ${test[i]}
why the second form is accepted?
i need a complex answer thanks
Wisp Ever
- 35
- 5
-1
votes
1 answer
How to declare ip address to use it with multiple functions?
I'm implementing a simple client-server program. Some parts of the i wrote is:
int main(void){
using namespace boost::asio;
using namespace std;
const std::string ip = "localhost";
const int port = 10500;
ip::address…
user1639961
- 3
- 3
-1
votes
4 answers
Declare variable outside of javascript file and use it in file
so i am declaring a variable inside of a .php file
But i…
Tim Daubenschütz
- 1,676
- 4
- 19
- 37
-2
votes
1 answer
Declare array of UIButtons
I want my swift code to create buttons using colors. I know I want to declare array but some of the things I have tried are not working. What I tried below is not working. I have tried to do various forms of wrapping but it did not work. The goal of…
Sam Burns
- 97
- 1
- 7
-2
votes
1 answer
How to declare object with different name in Javascript?
Let's say i declaring an object
let Mahasiswa = {
name: "Steve",
age: 22
}
And then later in my code i copy these code with same name;
let {name, age} = Mahasiswa;
console.log(name, age) // Steve 22
but how do i change it to different…
trp
- 11
- 1
- 1
- 3
-2
votes
1 answer
How to declare an array list?
The objective is trying to create a code that gets the difference of the max and min number of the Array List.
As a beginner I am having trouble understanding why I get that maxRange is not declared in my code.
private int firstElement;
public…
-2
votes
1 answer
Static variable to thread C#
In the class program i declare a couple of integers. In the Mains method they get a value. These values are used in the telbereik method, but when the thread starts these values reset to 0. I want them to have the value that is given by the user in…
joseri isivan
- 3
- 1
-2
votes
1 answer
'' was not declared in this scope
I wrote this program for the college. The user must input 2 numbers (n,m) and the program must make an array with the size [n,m]. Then the user will fill the array and the program must find the maximum number of the columns and print the minimum of…
-2
votes
4 answers
C++ Getting an error with my functions
Need some homework help. I'm new to C++, and I'm getting an error I don't understand. Here's my code:
/*
* homework6.cpp
* Coder: omega9380
* Final Project
*/
#include
#include
#include
using namespace std;
int…
Jeremy Kellogg
- 13
- 2
-2
votes
3 answers
PLSQL Variables
I'm new to programming and I was wonder how I would declare a variable I can use through out my code.
What I want to achieve is :
Myvariable = (select Column from table1 where column =1234 group by column);
select column from table2 where column in…
Oxy111
- 67
- 7