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Why doesn't std::queue::pop return value.?
...pop implementation, to ilustrate my point):
template<class T>
class queue {
T* elements;
std::size_t top_position;
// stuff here
T pop()
{
auto x = elements[top_position];
// TODO: call destructor for elements[top_position] here
--top_position; // ...
Command Prompt - How to add a set path only for that batch file executing?
... modify the path variable. But, I'm wondering if there is a way to through batch programming have a temporary path included? That way it is only used during that batch file execution. I don't want to have people go in and modify their path variables just to use my batch file.
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Split a List into smaller lists of N size
...ed thousand of times. Usually you need to chunk lists for processing items batch by batch and/or in parallel.
– Dmitry Pavlov
Jun 23 '17 at 12:13
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What is the difference between a var and val definition in Scala?
...ch mutability improves performance, a lot.
For example, take an immutable Queue. When you either enqueue or dequeue things in it, you get a new Queue object. How then, would you go about processing all items in it?
I'll go through that with an example. Let's say you have a queue of digits, and you...
How to implement an STL-style iterator and avoid common pitfalls?
...a + size);
}
{
std::list<std::vector<uint8_t>> queue_;
queue_.emplace_back(begin(data), end(data, size));
queue_.emplace_back(data, data + size);
}
}
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Run PHP Task Asynchronously
... see comments below.
ActiveMQ if you want a full blown open source message queue.
ZeroMQ - this is a pretty cool socket library which makes it easy to write distributed code without having to worry too much about the socket programming itself. You could use it for message queuing on a single host -...
How do I make a batch file terminate upon encountering an error?
I have a batch file that's calling the same executable over and over with different parameters. How do I make it terminate immediately if one of the calls returns an error code of any level?
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javascript: pause setTimeout();
... timeout running that was set through var t = setTimeout("dosomething()", 5000) ,
17 Answers
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Why does Dijkstra's algorithm use decrease-key?
...ther than reinserting nodes is to keep the number of nodes in the priority queue small, thus keeping the total number of priority queue dequeues small and the cost of each priority queue balance low.
In an implementation of Dijkstra's algorithm that reinserts nodes into the priority queue with thei...
What is the relationship between Looper, Handler and MessageQueue in Android?
...e official Android documentation/guide for Looper , Handler and MessageQueue . But I couldn't get it. I am new to android, and got very confused with these concepts.
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