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Modelling an elevator using Object-Oriented Analysis and Design [closed]
...e make Elevator implement Runnable, and constantly check and synchronize a queue (linkedList). A Controller class will assign which floor to go in the queue. When the queue is empty, the run() method will wait (queue.wait() ), when a floor is assigned to this elevator, it will call queue.notify() to...
How do you write tests for the argparse portion of a python module? [closed]
....append() and then call
parse(), check the results and repeat.
Call from a batch/bash file with your flags and a dump args flag.
Put all your argument parsing in a separate file and in the if __name__ == "__main__": call parse and dump/evaluate the results then test this from a batch/bash file.
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How to specify in crontab by what user to run script? [closed]
...the program name:
*/1 * * * * www-data php5 /var/www/web/includes/crontab/queue_process.php >> /var/www/web/includes/crontab/queue.log 2>&1
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C# Object Pooling Pattern implementation
...for each access pattern. LIFO is easily represented by a stack, FIFO is a queue, and I've used a not-very-optimized-but-probably-adequate circular buffer implementation using a List<T> and index pointer to approximate a round-robin access pattern.
All of the classes below are inner classes o...
What is the best Java library to use for HTTP POST, GET etc.? [closed]
What is the best Java library to use for HTTP POST, GET etc. in terms of performance, stability, maturity etc.? Is there one particular library that is used more than others?
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How to set custom header in Volley Request
...t-Language to 'fr':
public void requestWithSomeHttpHeaders() {
RequestQueue queue = Volley.newRequestQueue(this);
String url = "http://www.somewebsite.com";
StringRequest getRequest = new StringRequest(Request.Method.GET, url,
new Response.Listener<String>()
{
...
Understanding the Event Loop
...ctions to be executed at a time in the future. It basically has a bunch of queues of stuff that needs doing and every "tick" of the event loop it selects one, removes it from the queue, and runs it.
A key thing to understand is that node relies on the OS for most of the heavy lifting. So incoming n...
Why does pthread_cond_wait have spurious wakeups?
...mplementation does not allow the former case. Consider a producer consumer queue, and three threads.
Thread 1 has just dequeued an element and released the mutex, and the queue is now empty. The thread is doing whatever it does with the element it acquired on some CPU.
Thread 2 attempts to dequeue...
How to start an application without waiting in a batch file?
Is there any way to execute an application without waiting in batch file? I have tried the start command but it just creates a new command window.
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Why is ArrayDeque better than LinkedList
...r than a linked list. Random access each element is also O(1) for a cyclic queue.
The only better operation of a linked list is removing the current element during iteration.
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