Question

Why is there no crash when assigning a member widget as the central widget in QMainWindow?

score 54 · Answer 1 · 2024-03-03T00:19:51.097000

54

Views

Why is there no crash when assigning a member widget as the central widget in QMainWindow?

Published on 03 March 2024 at 00:19

score 63 · Answer 2 · 2024-02-15T21:12:33.097000

63

Views

Is there a way to modify a string external to a closure without having that closure take ownership of it?

Published on 15 February 2024 at 21:12

score 58 · Answer 3 · 2024-02-14T19:40:10.570000

58

Views

Why can I shadow a variable which has been borrowed before? Where is the owner?

Published on 14 February 2024 at 19:40

score 109 · Answer 4 · 2024-01-04T08:16:56.910000

109

Views

What is the relationship between ui and this in Qt?

Published on 04 January 2024 at 08:16

score 121 · Answer 5 · 2023-12-22T14:52:10.673000

121

Views

Conceptual ownership vs temporary shared access with `unique_ptr` / `shared_ptr`

Published on 22 December 2023 at 14:52

score 96 · Answer 6 · 2023-09-22T12:49:23.477000

96

Views

What pointer type to use, when I do not know the context the pointer are used

Published on 22 September 2023 at 12:49

score 96 · Answer 7 · 2023-03-27T09:02:49.883000

96

Views

How do I model a non-owning view on some resource (not itself managed via shared_ptr), if not via raw pointer?

Published on 27 March 2023 at 09:02

score 1k · Answer 8 · 2023-03-13T08:36:04.800000

1k

Views

Why does this "cannot move out of `self.x` which is behind a mutable reference" error happen?

Published on 13 March 2023 at 08:36

score 46 · Answer 9 · 2023-02-17T19:36:10.643000

46

Views

vector of string slices goes out of scope but original string remains, why is checker saying there is an error?

Published on 17 February 2023 at 19:36

score 217 · Answer 10 · 2022-11-10T23:44:06.880000

217

Views

Handling the validity of the object of a class stored in a different class

Published on 10 November 2022 at 23:44

score 164 · Answer 11 · 2022-10-17T13:37:08.960000

164

Views

Pass ownership of an object into method of the same object?

Published on 17 October 2022 at 13:37

score 64 · Answer 12 · 2022-10-09T22:57:35.387000

64

Views

Conditionally passing ownership for members

Published on 09 October 2022 at 22:57

score 79 · Answer 13 · 2022-09-16T12:21:38.690000

79

Views

Ownership not delegated to a function using unique_ptr < T > && and std::move ( )

Published on 16 September 2022 at 12:21

score 568 · Answer 14 · 2022-08-15T05:28:31.100000

568

Views

Sharing arrays between threads in Rust

Published on 15 August 2022 at 05:28

score 162 · Answer 15 · 2022-07-07T21:28:22.307000

162

Views

Moving objects can change the order destructors are called. Why isn't that a problem?

Published on 07 July 2022 at 21:28

score 770 · Answer 16 · 2022-04-10T07:23:58.137000

770

Views

Confuse about borrowing in Rust

Published on 10 April 2022 at 07:23

score 462 · Answer 17 · 2021-12-04T07:03:01.773000

462

Views

Is there a way to delete a pointer that has not been assigned with new operator in the destructor? If so, should I delete it in the destructor?

Published on 04 December 2021 at 07:03

score 1.1k · Answer 18 · 2021-10-20T15:55:04.047000

1.1k

Views

Is using std::span into an std::vector after push_back is called undefined behavior

Published on 20 October 2021 at 15:55

score 676 · Answer 19 · 2021-05-04T12:21:10.133000

676

Views

How to keep one object alive as long as another object exists?

Published on 04 May 2021 at 12:21

score 104 · Answer 20 · 2021-05-04T10:51:06.717000

104

Views

Ownership sharing with smart pointers while object initialization

Published on 04 May 2021 at 10:51

List Question

Why is there no crash when assigning a member widget as the central widget in QMainWindow?

Is there a way to modify a string external to a closure without having that closure take ownership of it?

Why can I shadow a variable which has been borrowed before? Where is the owner?

What is the relationship between ui and this in Qt?

Conceptual ownership vs temporary shared access with `unique_ptr` / `shared_ptr`

What pointer type to use, when I do not know the context the pointer are used

How do I model a non-owning view on some resource (not itself managed via shared_ptr), if not via raw pointer?

Why does this "cannot move out of `self.x` which is behind a mutable reference" error happen?

vector of string slices goes out of scope but original string remains, why is checker saying there is an error?

Handling the validity of the object of a class stored in a different class

Pass ownership of an object into method of the same object?

Conditionally passing ownership for members

Ownership not delegated to a function using unique_ptr < T > && and std::move ( )

Sharing arrays between threads in Rust

Moving objects can change the order destructors are called. Why isn't that a problem?

Confuse about borrowing in Rust

Is there a way to delete a pointer that has not been assigned with new operator in the destructor? If so, should I delete it in the destructor?

Is using std::span into an std::vector after push_back is called undefined behavior

How to keep one object alive as long as another object exists?

Ownership sharing with smart pointers while object initialization

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