assign Questions
5
Solved
When you initialize an array, you can assign multiple values to it in one spot:
int array [] = {1,3,34,5,6};
... but what if the array is already initialized and I want to completely replace the v...
Woodford asked 20/4, 2011 at 15:25
3
Solved
this is very simple, but I have searched and failed to find a solution for this small problem.
I want to use the argument of a function as the name for a new data frame, for example:
assign.datas...
Distiller asked 27/11, 2017 at 17:46
17
Solved
Still trying to get into the R logic... what is the "best" way to unpack (on LHS) the results from a function returning multiple values?
I can't do this apparently:
R> functionReturningTwoValu...
Selfpronouncing asked 1/12, 2009 at 14:27
4
Solved
A post on here a day back has me wondering how to assign values to multiple objects in the global environment from within a function. This is my attempt using lapply (assign may be safer than <&...
Radie asked 15/3, 2012 at 19:24
3
Do you know how I can explicitlyt assign xml content to a string ?
Example :
string myXml = "
<?xml version="1.0"?>
<note>
<to>Tove</to>
<from>Jani</from>
<...
5
Solved
I was trying to create a shortest-possible code for a puzzle, and the question came to mind trying to do something like this:
zip(l=[1,2,3,4,5],l[1:])
So I was wondering, is there a way to prod...
4
Solved
In python you can do this:
def f():
return 1, 2, 3
(foo, bar, baz) = f()
Is there an equivalent in java?
3
Solved
I have two DataFrames with the same number of rows - df1 like so:
date hour var1
a 2017-05-01 00:00:00 456585
b 2017-05-01 01:00:00 899875
c 2017-05-01 02:00:00 569566
d 2017-05-01 03:00:00 458756...
4
Solved
MessageThread.findById(req.body._id)
.populate({ path: "messages" })
.exec((err, foundMessageThread) => {
var filtered = foundMessageThread.messages.map(message=>{
return Object.assign({}...
4
Solved
Consider the following abhorrent class:
class MapInt:
__call__ = int
def __sub__(self, other):
return map(self, other)
__add__ = map
One can then call map(int, lst) via MapInt() - lst, i.e.
...
Drudge asked 22/8, 2022 at 18:47
15
I want to assign multiple variables in a single line in R. Is it possible to do something like this?
values # initialize some vector of values
(a, b) = values[c(2,4)] # assign a and b to values at...
Toritorie asked 22/9, 2011 at 18:44
6
Solved
Is there any way to return the value of an entire row of a multidimensional array to a one dimensional array In VBA?
Something like, arr_1dim = arr_2dim(3,:) is a matlab expression for assigning t...
Gabriellegabrielli asked 5/1, 2013 at 16:10
2
Is there a simpler alternative than
res = returns_value_or_none(arg)
if res:
do_something_with(res)
or
if returns_value_or_none(arg):
do_something_with(returns_value_or_none(arg))
One whic...
Divisible asked 6/5, 2015 at 2:39
2
Solved
I'm working with Liquid templates for Shopify. I want some elements to show up only if the month happens to be December. Since there are multiple elements that need this, I want to set a variable a...
Jadeite asked 23/1, 2020 at 21:39
4
Solved
Suppose I have a struct array arr, where each element has a bunch of fields, including one called val. I'd like to increment each element's val field by some constant amount, like so:
for i = 1:le...
4
Solved
I have the following method in an action class that worked well in Rakudo 2016.07, but I just installed 2016.11 and now the new Rakudo says my method tries to assign to read-only varible, and I jus...
4
Solved
I am struggling with variable labels of data.frame columns. Say I have the following data frame (part of much larger data frame):
data <- data.frame(age = c(21, 30, 25, 41, 29, 33), sex = facto...
6
Solved
This has been bugging me for a while.
struct person {
char name[15];
int age;
};
struct person me;
me.name = "nikol";
when I compile I get this error:
error: incompatible types when assigni...
Excommunicatory asked 1/11, 2014 at 21:38
2
Solved
I am using a R package, in which there are 2 functions f1 and f2 (with f2 calling f1)
I wish to overwrite function f1.
Since R 2.15 and the mandatory usage of namespace in packages, if I just sou...
Gib asked 30/10, 2014 at 3:41
4
Solved
Update 2
@G. Grothendieck posted two approaches. The second one is changing the function environment inside a function. This solves my problem of too many coding replicates. I am not sure if this i...
Panhellenism asked 18/1, 2013 at 12:40
1
Solved
I'd implementing a simple linked list. This is the (working) code I had so far:
pub struct LinkedList<T> {
start: Option<Box<Link<T>>>,
}
impl<T> LinkedList<T>...
6
Solved
Getting the error
Cannot Assign "AppendText" because it is a "method group".
public partial class Form1 : Form
{
String text = "";
public Form1()
{
InitializeCo...
Budwig asked 4/11, 2013 at 16:39
6
Solved
So I am playing around with some arrays, and I cannot figure out why this won't work.
int numbers[5] = {1, 2, 3};
int values[5] = {0, 0, 0, 0, 0};
values = numbers;
The following error appear:
Er...
2
I am writing a program to assist with a trivial part of my job that can be automated. My purpose here is to:
Copy and paste a chunk of plain text into a Tkinter text widget
Use that pasted chunk ...
1
Solved
I want to add a new column in a dataframe with values from some other dataframe. My new column name is a variable and I cannot hardcode it.
new_column = "my_new_column_name"
df = df.assign(new_co...
Bona asked 16/9, 2019 at 5:40
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