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Why doesn't Dijkstra's algorithm work for negative weight edges?
...of the adjacent node might have already been removed from our min-priority queue, for example.
– nbro
Aug 15 '15 at 15:46
10
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Batch files - number of command line arguments
Just converting some shell scripts into batch files and there is one thing I can't seem to find...and that is a simple count of the number of command line arguments.
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How to concatenate two MP4 files using FFmpeg?
...orrect order for viewing the complete tv episode.
Then I created a simple batch file (concat.bat), with the following contents:
:: Create File List
echo file file1.mp4 > mylist.txt
echo file file2.mp4 >> mylist.txt
echo file file3.mp4 >> mylist.txt
:: Concatenate Files
ffmpeg -f ...
Change priorityQueue to max priorityqueue
I have priority queue in Java of Integers:
16 Answers
16
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What are queues in jQuery?
I found the jQuery.com document on queue() / dequeue() is too simple to understand. What exactly are queues in jQuery? How should I use them?
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How do I list the symbols in a .so file
...bqpid-proton-cpp.so | grep work | grep add
0000000000049500 T proton::work_queue::add(proton::internal::v03::work)
0000000000049580 T proton::work_queue::add(proton::void_function0&)
000000000002e7b0 W proton::work_queue::impl::add_void(proton::internal::v03::work)
000000000002b1f0 T proton::con...
Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
...message brokers like RabbitMQ which we can use to create tasks / message queues for a scheduling system like Celery .
2 ...
How to write a scalable Tcp/Ip based server
...(_sockets)
{
_sockets.Add(conn);
}
//Queue recieving of data from the connection
conn.socket.BeginReceive(conn.buffer, 0, conn.buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), conn);
//Queue the accept of the next incomming ...
Understanding NSRunLoop
...unning [see the left panel of the image]
completion handlers on the main queue, and you can see it has a run
loop on background thread
Specifically about: "Background threads don't have their own runloops". The following timer fails to fire for an async dispatch:
class T {
var timer: T...
Repeatedly run a shell command until it fails?
I've written a fuzzy test that fails unreliably. I've added some debug code, but now I want to run the test until it fails so I can gather the debug output.
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