Questions tagged [variable-names]
256 questions
2
votes
1 answer
Variable with same name with a struct type compiling only if it's not a template
Why is it allowed to have a variable with same name with a struct type only if it's not a template?
Why is this considered okay:
struct Foo {
int func(int) const;
};
struct Foo Foo;
but not this:
template
struct Foo {
int…
ofo
- 1,160
- 10
- 21
2
votes
2 answers
Dynamic array name in bash
Because bash doesn't support "arrays in arrays",
I'm trying to dynamize variable name when calling arrays.
bash version : 4.2
I used this expansion method: https://stackoverflow.com/a/18124325/9336478
#!/bin/bash
# data are pre-defined and type is…
Lunartist
- 394
- 1
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- 9
2
votes
3 answers
How to use variables names as stored in a vector without the quotation marks?
I want to create a loop that stores the output of t-tests for several variables in a data frame. But when I store the different variables in a vector with quotation marks, the variables cannot be used for the t-test as they are saved with the…
Anabel
- 81
- 7
2
votes
1 answer
template literals to display the variable name - React.js
In code below I need to display in
a text depending on what props will be passed. If props == "a" text should be from text_a, if props == "b" text from text_b; const Header = (props) => { const text_a = "Lorem ipsum dolor"; const text_b =…
Tomasz
- 55
- 4
2
votes
3 answers
Python how to get the value with variable name?
For example, we have the scores of three courses stored in LIST.
English, Maths, Physics = 89, 92, 93
LIST = [English, Maths, Physics]
for i in range(len(LIST)):
print(LIST[i])
And I want the print style to be like English, 89, Maths, 92,…
guorui
- 871
- 2
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2
votes
2 answers
R seems to ignore part of variable name after underscore
I encountered a strange problem with R. I have a dataframe with several variables. I add a variable to this dataframe that contains an underscore, for example:
allres$tmp_weighted <- allres$day * allres$area
Before I do this, R tells me that the…
Lena
- 311
- 2
- 10
2
votes
1 answer
Capitalization after upper-case abbrevation in Go variable name
Should a struct field be named HTTPClient or HTTPclient?
user6216224
2
votes
1 answer
Name a variable with an exclamation in Julia
I got confused about using an exclamation to name a variable in this link.
Firstly, it works fine in the JuliaPro Command Prompt
Then, I closed the JuliaPro Command Prompt and opened it again, trying to test different variable namings:
I could not…
lanselibai
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2
votes
3 answers
Concatenate string literals to generate variable name
Question
In python, what is the shortest/easiest way to create a function which allows me to access a variable by concatenating two string literals to generate the variable's name?
Background
In C, I can do something like so:
#define CONCAT(x,y) x…
Cloud
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2
votes
5 answers
is it valid to use standard library function name as identifier in C++?
Consider following program:
#include
int main()
{
int printf=9;
std::printf("%d",printf);
}
Is it fine to use built in function name as an identifier in variable declaration? Is this well defined program? I mean is behaviour of…
Destructor
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2
votes
2 answers
Passing variable name as param to function in bash
I am trying to read up 3 similar files with different names to different arrays. Because i didn't want to use unnecessary code i am trying to create functions that would accept array names as params, but i am getting error 'command not…
user2816626
- 83
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2
votes
1 answer
Create all m-way interactions of n variables in R
I have seven variables and I want to create many new variables, each is an interaction term of the seven variables. There will be 2-way up to 5-way interactions. I plan to do it in two steps.
First, create all m-way combination of names of the…
wen
- 1,875
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2
votes
3 answers
Same named variables into different structs
Is it possible to declare variables with the same name into different structs?
For example:
struct first
{
int a;
int b;
int the_same;
};
struct second
{
int x;
int y;
int the_same
};
ᴜsᴇʀ
- 1,109
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2
votes
3 answers
Possible to get the name of a variable in D?
I am currently trying to write a program in D that when called and passed an object, it will serialize the object into an XML document. I would like to make it as simple as passing the object into it, but I'm not entirely sure it can be…
Daniel Martin
- 570
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2
votes
2 answers
XCode find and replace in project problem with XIB
I wanted to rename one badly named variable to something more naturally named (UITableView myListView --> myTableView). Did that with XCode "Edit - Find - Find in project" and replaced all found 7 items with the new one. Application compiled ok,…
JOM
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