Questions tagged [delete-keyword]
8 questions
7
votes
1 answer
Statically delete object key JavaScript
I'm using TypeScript along with TSLint, and I have the following code:
var myObj = {}
var id = "key"
myObj[id] = 1
delete myObj[id]
But I receive a hint from TSLint: Do not delete dynamically computed property keys. (no-dynamic-delete)
The…
Ari Seyhun
- 11,506
- 16
- 62
- 109
4
votes
3 answers
In new c++11 projects, should I delete any operations by default?
I am starting a new project in C++11, and just found out about the delete keyword that lets you prevent accidental calling of copy constructors and so on. Is there a "recommended" set of deletions I can do globally to increase type safety, such as…
Drew
- 12,578
- 11
- 58
- 98
2
votes
0 answers
Does it makes sense to specify noexcept on deleted operator?
Does it makes sense to specify noexcept on, for example. a deleted move assignment operator? For example:
struct A
{
A& operator=( A&& ) noexcept = delete;
};
What would change if I do not specify it, and I just write:
struct A
{
A&…
nyarlathotep108
- 5,275
- 2
- 26
- 64
1
vote
0 answers
How to reset js window objects on a condition
Am using nested if to iterate through a list of window attributes and am deleting the window attribute based on a criteria. Since this s a nested loop, the execution time takes .5seconds. We have to make it quicker and bring it down to millisecs.…
Steffie
- 11
- 2
1
vote
1 answer
Check whether a default-deleted function template is explicitly specialized for a specific type?
(This question has been significantly edited, sorry.)
Suppose I have several non-constexpr function templates, which default to being deleted:
template void foo() = delete;
template int bar(int x) = delete;
// etc.
and…
einpoklum
- 118,144
- 57
- 340
- 684
1
vote
1 answer
How does delete-keyword work inside this for-each loop?
I am new to C++ and I'm trying to understand how this piece of code works.
~List() {
for(auto& i : nodes) {
delete &i;
}
}
I have made a Simple Linked List class that has a vector of nodes.
What I am trying to understand is, if I…
Saumi
- 67
- 3
1
vote
1 answer
Delete key failed. gpg: WARNING: unsafe ownership on homedir `/xxx/xxx_Import_tools/Keys'
The former xxx.BrokerImport is expired, and I generate a new key with the same name 'xxx.Import' and import it into remote server. But I can't delete the former one. They have same name, when I use 'xxx.Import' to encrypt, it will failed, I guess it…
Destiny
- 21
- 2
0
votes
0 answers
Can the "delete" keyword be used for virtual functions?
Consider the following scenario:
Class A defines many virtual functions. Class B and class C inherit from class A, but I want some virtual functions in class A to be available only in class B and not in class C.
I wrote the following code to try it…
lin
- 1
- 1