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Is the concept of release-sequence useful in practice?


Is the concept of release-sequence useful in practice?

By : Rama
Date : October 24 2020, 06:10 PM
I hope this helps . C++ atomic semantics only guarantee visibility (through happen-before relation) of memory operations performed by the last thread that did a release write (simple or read-modify-write) operation. , Let's first answer your question:
code :
x = 1;                            // #1
a.store(1,memory_order_relaxed);  // #2


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sequence point concept in java

sequence point concept in java


By : Johannes Scherle
Date : March 29 2020, 07:55 AM
it fixes the issue
My question is does the same sequence point rule applies in java or not?
PHP OOP Concept into Practice

PHP OOP Concept into Practice


By : user2952759
Date : March 29 2020, 07:55 AM
I wish this help you I will tell you only how I do it, and perhaps you'll find something useful in my code, again there is no a exact way to do things in programming, but you can hear opinions and form your own.
Suppose I have a jQuery form to create new users passed onto the server (Ajax or not, doesn't matter) and you performed some validation using the client side, on the server I do something like this:
code :
$user = BaseDTO::ParseFromRequest("User");

if ($user->IsValid()) {
  //... send some error back to javascript
}

UserRepository::Attach($user);
Rails MVC concept in practice

Rails MVC concept in practice


By : John Davis
Date : March 29 2020, 07:55 AM
around this issue It's a bit of a catch-22 question. (I did wrote a huge answer but then deleted because it will be too tedious to read)
If you mean, can you implement the MVC pattern without a model, then the answer is no. The M means Model.
std::forward_list and sequence concept requirements

std::forward_list and sequence concept requirements


By : user3141025
Date : March 29 2020, 07:55 AM
it helps some times The reason is that it's extremely inefficient to insert before an element in a singly linked list: You have to start at the beginning and iterate until you find the requested place to insert, making the insert O(n) instead of constant time.
Compare to why they don't provide operator[] in std::list because it would take linear time. Just as list doesn't meet the requirements of random access compared to vector, forward_list doesn't meet all the requirements of sequence compared to list.
C++ Contiguous Sequence Concept

C++ Contiguous Sequence Concept


By : Varun Selvan Rajasek
Date : March 29 2020, 07:55 AM
it helps some times "Contiguous container" is specifed in C++17. From $23.2.1/13 General container requirements [container.requirements.general]:
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