Something related to an assignment operation, i.e. the process of changing the content of a variable to reflect some given value.
Questions tagged [assign]
1695 questions
6
votes
2 answers
Fortran: initializing of and assigning value to arrays
To initialize and assign value to arrays in Fortran we do as the following:
Initializing:
real(kind=8):: r(3,4)
...
r(:,:) = 0.0_8
what if we use only
real(kind=8):: r(3,4)
...
r = 0.0_8
and what if we do as:
real(kind=8):: r(3,4)
...
r =…
Developer
- 8,258
- 8
- 49
- 58
6
votes
5 answers
Joomla component not appearing in the menu item types
I just followed the joomla tutorials on how to create the "perfect" MVC joomla component. However, my problem is that I don't know yet how to assign it to a menu. I thought that my component would then just show up when I select a "menu item type",…
ubi
- 103
- 1
- 1
- 4
6
votes
2 answers
Liquid: How to assign the output of an operator to a variable?
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 at the top of the document and refer to it later.…
Robert
- 6,660
- 5
- 39
- 62
6
votes
1 answer
perl6 grammar actions: unable to make anything if not using $/
I wrote a test program, and now it seems that if I don't use $/ in a
method signature because I have to use .match inside the method, I can no long make anything. What did I do wrong?
A further question is that if .match sets $/, and $/ is…
lisprogtor
- 5,677
- 11
- 17
6
votes
4 answers
perl6 rakudo 2016.11 match tries to assign to read-only variable, why not in 2016.07?
I have the following method in an action class that worked well in Rakudo 2016.07, but I just installed 2016.11 and now the new Rakudo says my method tries to assign to read-only varible, and I just don't see the problem:
method ptName ($/) {
…
lisprogtor
- 5,677
- 11
- 17
6
votes
2 answers
How is allocator-aware container assignment implemented?
For example, from std::deque::operator = in C++ Reference:
(1) Copy Assignment (const std::deque &other)
Replaces the contents with a copy of the contents of other. If
std::allocator_traits::propagate_on_container_copy_assignment() is
true,…
Dannyu NDos
- 2,458
- 13
- 32
6
votes
3 answers
Object assign with dynamic variable
I have this initialState in my Redux store:
const initialState = {
isFetching : false,
active : {}
}
Where active is an object.
Now I have an action that should append or add a property to active’s data property, like…
Joey Hipolito
- 3,108
- 11
- 44
- 83
6
votes
4 answers
Replace negative values by NA values
I have positive, negative and NA values in a Table, I need to replace negative values by NA values. Positive and NA values should remain as they are in Table. My Data set is similar to the one below:
NO. q
1 NA
2 NA
3 -133.6105198
4 …
Tika Ram Gurung
- 179
- 3
- 3
- 9
6
votes
4 answers
Multiple assignment at once in java
In python you can do this:
def f():
return 1, 2, 3
(foo, bar, baz) = f()
Is there an equivalent in java?
qed
- 22,298
- 21
- 125
- 196
6
votes
3 answers
Return a dataframe from a function and store it in the workspace
This is my first week working with R and there is one thing about function I cannot seems to manage.
df <- data.frame(a = c(1:10),
b = c("a", "a", "b", "c", "c", "b", "a", "c", "c", "b"))
testF = function(select) {
dum = subset(df, b…
user3122822
- 127
- 1
- 2
- 8
6
votes
2 answers
Two-dimensional list wrongly assigning values in python
class Board:
def __init__(self):
self.board = self.createBoard()
def createBoard(self):
line = []
for i in range(7):
line.append(' ')
board = []
for i in range(7):
…
Azeirah
- 6,176
- 6
- 25
- 44
6
votes
1 answer
C++ streamsize prec = cout.precision(3) - How does it work?
I am kind of newbie in using c++. I have a quick question, probably a dumb question.
streamsize prec = cout.precision(3);
As I understand correctly this declaration works like that: set the cout precision to 3, but assign the previous precision…
user2371160
- 107
- 1
- 6
6
votes
2 answers
How to use `assign()` or `get()` on specific named column of a dataframe?
Is there a way to assign a value to a specific column within a data frame? e.g.,
dat2 = data.frame(c1 = 101:149, VAR1 = 151:200)
j = "dat2[,"VAR1"]" ## or, j = "dat2[,2]"
assign(j,1:50)
The approach above doesn't work. Neither does this:
j =…
baha-kev
- 3,029
- 9
- 33
- 31
6
votes
2 answers
Succinctly assign names and values simultaneously
I find myself often writing the following two lines. Is there a succinct alternative?
newObj <- vals
names(newObj) <- nams
# This works, but is ugly and not necessarily preferred
'names<-'(newObj <- vals, nams)
I'm looking for something…
Ricardo Saporta
- 54,400
- 17
- 144
- 178
5
votes
1 answer
Assigning to map in golang
In the following go snippet, what am I doing wrong?
type Element interface{}
func buncode(in *os.File) (e Element) {
e = make(map[string]interface{})
for {
var k string = buncode(in).(string)
v := buncode(in)
…
Matt Joiner
- 112,946
- 110
- 377
- 526