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Getting variables out of a function in R


Getting variables out of a function in R

By : sachin saini
Date : November 22 2020, 02:59 PM
this will help So here is some backghround info: I have created a question and answer function in R. After the user calls the function they are prompted a succession of questions that will eventually be used to populate a report using R markdown. The function is divided into sections that follow the intended report and each section ends with a data.frame that has the question category, the answer and the name of the variable. In total there are 17 sections which means that there are 17 data.frames that get strung together using rbind function before the function writes the final data.frame to a .csv, saves it to a directory and exits. This function works well and I have no problems with it at all. , Use the global assignment operator:
code :
> sv <- function(){
+   Name <<- readline("What is your Name?")
+ }
> sv()
What is your Name?mkemp6
> print(Name)
[1] "mkemp6"


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Python: Calling variables in one function from a seperate function but not using global variables

Python: Calling variables in one function from a seperate function but not using global variables


By : user3643398
Date : March 29 2020, 07:55 AM
To fix the issue you can do I wrote the below code in order to check for three files and whichever files exist, run a "scan" on the file (if a file does not exist, don't worry about it just run a "scan" on the available files) and produce the proper output file on those available files. , Inside chkifexists, you would return all three variables like so:
code :
return (filename, hashcolumn, filepathNum)
(filename, hashcolumn, filepathNum) = chkifexists()
Modifying variables in Python function is affecting variables with different names outside the function

Modifying variables in Python function is affecting variables with different names outside the function


By : EIChan
Date : March 29 2020, 07:55 AM
I wish did fix the issue. You are passing the value at allData[i]['cleanFDF'] by reference (decent explanation at https://stackoverflow.com/a/430958/337678). Any changes made to it will be made to the object it refers to, which is still the same object as the original, just assigned to a different variable.
Making a deep copy of the data will likely fix your issue (Python has a deepcopy library that should do the trick ;)).
Are variables for pass by value variables and local variables in a function not allocated continuously?

Are variables for pass by value variables and local variables in a function not allocated continuously?


By : Stanimir Spasov
Date : March 29 2020, 07:55 AM
This might help you In C (not sure about C++ but I suspect it's similar), there is no relationship between addresses of separate objects. The language does not even define an order relation on them; the >, <, <=, and >= operators have undefined behavior when used on pointers that do not point into the same array.
As for why objects end up with particular relationships between the numeric addresses of pointers to them, that's purely a consequence of implementation details of the compiler and it depends on the specific compiler, compiler version, and options used.
How to access the ICElements of local variables(variables inside function) and variables in header file?

How to access the ICElements of local variables(variables inside function) and variables in header file?


By : Tone
Date : March 29 2020, 07:55 AM
I wish did fix the issue. Local variables
ICElement is mostly used for representing code elements in CDT's various views, such as the Outline View or Type Hierarchy. As such, local variables (which do not appear in these views) do not have an ICElement representation.
C: It is possible to pass variables to a function that request a struct so when the function is called these variables a

C: It is possible to pass variables to a function that request a struct so when the function is called these variables a


By : QuasiRus
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , The function testFunction as you declare it, void testFunction(struct mytest test), can be called with:
code :
testFunction((struct mytest) {1,2});
(type) { initializers... }
testFunction(& (struct mytest) {1,2});
testFunction((struct mytest []) {1,2});
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