In programming, a dynamic variable is a variable whose address is determined when the program is run. In contrast, a static variable has memory reserved for it at compilation time.
Questions tagged [dynamic-variables]
262 questions
7
votes
2 answers
PHP join two variable names
I have a php script that gets a $_POST to decide which array to return. Ex:
$n = $_POST['n']; // 1, 2 or 3
$a1 = array ('something', 'something else', 'another thing');
$a2 = array ('something 2', 'something else 2', 'another thing 2');
$a3 =…
medk
- 9,233
- 18
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6
votes
3 answers
Why I can set! builtin dynamic (?) Clojure vars?
Why I can do this:
> (set! *unchecked-math* true)
true
> (set! *warn-on-reflection* false)
false
but can't do this:
> (def ^:dynamic *x*)
#'user/*x*
> (set! *x* 1) ;; no luck, exception!
OlegTheCat
- 4,443
- 16
- 24
6
votes
2 answers
Create a dynamic variable reference in Typescript
Thanks ahead of time, to anyone who helps. :)
This may seem a simple answer to those who are experienced, but I have scoured the internet as well as a couple of reference books, and not found a straight forward answer to this question, so hopefully…
wdlee
- 73
- 1
- 1
- 5
6
votes
4 answers
PHP: How to use dynamic variable name with a class' setter
I have a class with a private member "description" but that proposes a setter :
class Foo {
private $description;
public function setDescription($description) {
$this->description = $description;
}
}
I have the name of the member in a…
Barth
- 15,135
- 20
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5
votes
2 answers
Calling dynamic variable in PowerShell
I am trying to create a new variable that would use other variable with dynamic name as its value. Here's what I am trying to do:
I have a System.Array with two values:
$Years = 2015, 2016
Another variable, $Transactions has a list of various…
user6744606
5
votes
1 answer
Using getText() with more than one parameter in Struts 2 and JSP
I am working on the Struts2 framework with JSP. I have in my *.properties file:
hover_remove=Remove access to {0} at {1}`
I have in my JSP, within a submit tag:
title="%{getText('hover_remove', new String[]{{appLabel}, {locationLabel}})}"
which…
user3179271
- 53
- 1
- 3
5
votes
2 answers
How do you insert the same random variable into multiple soapui testcase requests?
I may be going about this in the completely wrong way, but how do I pass a dynamic variable to a bunch of requests within the same testsuite in SoapUI?
My first test step is a Groovy script. I need to generate a random account name, and then use it…
user83598
- 161
- 1
- 3
- 10
5
votes
1 answer
binding & pmap interaction change?
There are several somewhat old blog posts out there advising caution when mixing dynamic variables, binding, and pmap, e.g. here, where we get the following code snippet:
user=> (def *foo* 5)
#'user/*foo*
user=> (defn adder
[param]
…
ben w
- 2,490
- 14
- 19
5
votes
1 answer
ColdFusion - How to check if upload filefield is empty - esp with dynamic field name?
I am giving the form a dynamic number of file upload fields. So on the form side, I'm looping through this dynamic number (say 3, as index 'm'), and naming each filefield input 'ResumeFile#m#'. On the action page, I'm getting an error if one of…
Kirsten
- 27
- 1
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4
votes
2 answers
How to use string in Ruby variable name?
I have a string that I want to use as part of a variable name. Specifically, in Rails route paths:
<%= foo_path %>
<%= bar_path %>
I want the first part of the route name to be dynamic. So something like
@lol = "foo"
<%= [@lol]_path %> # <-- This…
Tim
- 6,079
- 8
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- 41
4
votes
4 answers
Dynamic variable declaration in C
I'm a ruby developer and its been long time since I've coded in C. I want to use a datatype in C which behaves like a symbol.
Is this possible?
Program asks user for name
User replies - "foobar"
Program declares an integer with the same name…
Prakhar
- 3,486
- 17
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4
votes
2 answers
Robotframework, How to define a dynamic variable name
I want to Define variable having dynamic name.
For example
${${FILE}{VAR}} Create List // ${FILE} = TEST, ${VAR} = VAR
Then I want to get variable named '${TESTVAR}'.
Here is my Summarized code...
*** Settings ***
Library …
Jin Su Yu
- 43
- 1
- 3
4
votes
3 answers
How to access variable dynamically inside an anonymous function/closure?
To keep the global namespace clean, my JavaScript code is wrapped like this:
(function() {
/* my code */
})();
Now I have some variables declared in this scope which I want to access using a variable variable name (e.g. the name is 'something'…
ThiefMaster
- 310,957
- 84
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4
votes
2 answers
How to create dynamic fields in Google App Engine expando class?
I have a db expando class called widget.
I'm passing in a json string and converting it to a dict and then adding it to the datastore.
My question is how can I loop through my dict to create dynamic fields.
widget =…
johnnytee
- 169
- 1
- 9
4
votes
1 answer
Struts2: Evaluate string literal for property value
I am trying to do something similar to this question but the answers don't fix my problem. I'm using Struts2 version 2.3.28.1.
I'm trying to access data in the session using a tag and a dynamic value string literal.
If I…
Flanfl
- 516
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