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
23
votes
4 answers
Updating one field in every element of a Matlab struct array
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:length(arr)
arr(i).val = arr(i).val + 3;
end
This…
Carl
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23
votes
6 answers
return an entire row of a multidimensional array in VBA to a one dimensional array
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 the row 3 of arr_2dim array to arr_1dim in one single…
surya teja3
- 335
- 1
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22
votes
2 answers
PHP copy all object properties to this
I have an object in PHP, of the type MyObject.
$myObject instanceof MyObject
Now, in the class MyObject, there is a non-static function, and in there, I use the reference to "me", like $this, but I also have another object there.
Is it possible,…
arik
- 28,170
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22
votes
1 answer
Lazy evaluation in R – is assign affected?
I read this basic question on renaming objects and @Shane 's answer to it, pointing me to lazy evaluation. Now I wonder if assign is evaluated lazily, too. Just like here:
assign("someNewName",someOldObject)
rm(someOldObject)
The reason why I…
Matt Bannert
- 27,631
- 38
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- 207
22
votes
5 answers
AngularJS: dynamically assign controller from ng-repeat
I'm trying to dynamically assign a controller for included template like so:
But Angular complains that {{panel}} is…
Jakob Jingleheimer
- 30,952
- 27
- 76
- 126
21
votes
6 answers
Cannot Assign because it is a method group C#?
Cannot Assign "AppendText" because it is a "method group".
public partial class Form1 : Form
{
String text = "";
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
…
puretppc
- 3,232
- 8
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20
votes
8 answers
What is better in a foreach loop... using the & symbol or reassigning based on key?
Consider the following PHP Code:
//Method 1
$array = array(1,2,3,4,5);
foreach($array as $i=>$number){
$number++;
$array[$i] = $number;
}
print_r($array);
//Method 2
$array = array(1,2,3,4,5);
foreach($array as &$number){
…
Aust
- 11,552
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- 74
18
votes
2 answers
Weird SIGSEGV segmentation fault in std::string::assign() method from libstdc++.so.6
My program recently encountered a weird segfault when running. I want to know if somebody had met this error before and how it could be fixed. Here is more info:
Basic info:
CentOS 5.2, kernal version is 2.6.18
g++ (GCC) 4.1.2 20080704 (Red Hat…
yaobin
- 2,436
- 5
- 33
- 54
18
votes
2 answers
Error: Assigning to an array from an initializer list
I have a class such as:
class dialog
{
public:
double dReturnType[][5][3];
};
#include
#include
include
using namespace std;
#include "dialog.h";
int main(int argc, char *argv[])
{
dialog People;
…
Kearito
- 211
- 1
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- 5
17
votes
3 answers
Re-assign column values in a pandas df
This question is related to rostering or staffing. I'm trying to assign various jobs to individuals (employees). Using the df below,
`[Person]` = Individuals (employees)
`[Area]` and `[Place]` = unique jobs
`[On]` = How many unique jobs are…
user9394674
17
votes
1 answer
Object doesn't support property or method 'assign' - ie11 while using angular4
i am using angular4 for my project, when i first encountered this error i found some blog which asked me to install object-assign and use in the project. so i installed object-assign using npm install object-assign --save command and refrenced it in…
Lijin Durairaj
- 3,341
- 11
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17
votes
1 answer
Assignment to replace value in nonlocal list
[[<- behaves differently for lists and environments when used on non-local objects:
lst = list()
env = new.env()
(function () lst[['x']] = 1)()
(function () env[['x']] = 1)()
lst
# list()
as.list(env)
# $x
# [1] 1
In other words, if the target…
Konrad Rudolph
- 530,221
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17
votes
4 answers
Assignment of objects in C++
To contextualize my question, I'm using a Matrix class with the following definitions:
Matrix(unsigned int, unsigned int); // matrix of the given dimension full of zeroes
Matrix(Matrix*); // creates a new matrix from another one
int &operator()(int,…
user1493813
- 981
- 1
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- 16
16
votes
1 answer
How to pandas df.assign() with variable names?
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_column=other_df['Column1'].values)
The problem is…
eiram_mahera
- 950
- 9
- 25
16
votes
1 answer
property "assign" and "retain" for delegate
For iOS developers, delegates are used almost everywhere.
And seems like that we need to use "assign" instead of retain for a delegate like this
@property(assign) id delegate;
The reason is to avoid the circular loop issue Why are Objective-C…
Forrest
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