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accessing local variable outside of for loop


accessing local variable outside of for loop

By : Dephase
Date : November 22 2020, 02:42 PM
I wish did fix the issue. I have a function , Try pushing the values to an array:
code :
$rootScope.getCurrency = function() {
    var result = [];
    for (var i = 0; i < data.records.length; i++) {
        for (var j = 0; j < data.records[i].columns.length; j++
            if (data.records[i].columns[j].fieldname == "Currency") {
                // Add to array
                result.push(data.records[i].columns[j].value); 
            }
        }
    }
    return result;
}


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In languages which create a new scope each time in a loop block, a new local copy of the local loop variable is created

In languages which create a new scope each time in a loop block, a new local copy of the local loop variable is created


By : abhishek biswas
Date : March 29 2020, 07:55 AM
should help you out This is similar to the topic discussed here: http://math.andrej.com/2009/04/09/pythons-lambda-is-broken/ . In some programming languages, when you loop over a variable, the body of the loop construct is bound to one variable that increments. In others, a new loop variable is instantiated per iteration of the loop.
As for lexical scope, note that in JavaScript, functions are the only constructs that form scopes (braces for if, while, for, etc. do not). In C/C++, any pair of braces forms a scope.
Why does local variable inside foreach loop conflict with variable declared outside the loop?

Why does local variable inside foreach loop conflict with variable declared outside the loop?


By : Mohammad Abu-Hasan
Date : March 29 2020, 07:55 AM
it should still fix some issue While you can only refer to the outer foo after you declared it, locals are allocated at the beginning of a function which means the inner foo will overshadow the outer one, even if it hasn't been declared yet.
Is accessing Bitmap.Width in a loop slower than accessing a pre-assigned variable because of reference type overhead?

Is accessing Bitmap.Width in a loop slower than accessing a pre-assigned variable because of reference type overhead?


By : user2875195
Date : March 29 2020, 07:55 AM
around this issue It's slower because .Width actually calls internally GDI method, which does other calculations, and it also allocates memory briefly.
http://referencesource.microsoft.com/#System.Drawing/commonui/System/Drawing/Image.cs,9284bc31cef9a24b,references
Accessing and changing local variable inside while loop C#

Accessing and changing local variable inside while loop C#


By : Cz Ab
Date : March 29 2020, 07:55 AM
it helps some times I am currently trying to define two integer variables by user input. If the user inputs an integer which is not contained in the defined range, the user will be asked to input again, until the user inputs an accepted value. , To fix your error, declare this:
code :
 int a = 0;
 int b = 0;
 int a;
 int b;
issues accessing my array variable outside my for loop in python (it only is accessing the last known value)

issues accessing my array variable outside my for loop in python (it only is accessing the last known value)


By : user3559711
Date : March 29 2020, 07:55 AM
To fix this issue First of all, in general, you should NEVER use global variables.
That said, as @juanpa.arrivillaga mentioned, playlist_array = [playlist_id] does not add anything to your list - it just creates a new list.
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