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Loop through all nested dictionary values?
...quite easily by replacing the stack (a list) by a deque or even a priority queue.
– Fred Foo
May 25 '12 at 15:30
Yep, ...
Python multiprocessing PicklingError: Can't pickle
....function failed
The problem is that the pool methods all use a mp.SimpleQueue to pass tasks to the worker processes. Everything that goes through the mp.SimpleQueue must be pickable, and foo.work is not picklable since it is not defined at the top level of the module.
It can be fixed by defining...
Spring Data: “delete by” is supported?
...
Be carefull when you use derived query for batch delete.
It isn't what you expect: DeleteExecution
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Sorted collection in Java
...omewhat out of order with the other Sorted* interfaces) "java.util.PriorityQueue". It can sort either Comparable<?>s or using a Comparator.
The difference with a List sorted using Collections.sort(...) is that this will maintain a partial order at all times, with O(log(n)) insertion performan...
In Django, how does one filter a QuerySet with dynamic field lookups?
...I wanted an HTML select list showing registered users. But because we have 5000 registered users, I needed a way to filter that list based on query criteria (such as just people who completed a certain workshop). In order for the survey element to be re-usable, I needed for the person creating the s...
Why do I need Transaction in Hibernate for read-only operations?
...l have to be executed in a separate transaction". The container doesn't do Batch Processing automatically?
– Arash
Oct 13 '19 at 9:58
...
What does default(object); do in C#?
... public class DocumentManager < T >
{
private readonly Queue < T > documentQueue = new Queue < T > ();
public void AddDocument(T doc)
{
lock (this)
{
documentQueue.Enqueue(doc);
}
}
p...
What's the difference between deque and list STL containers?
...ointers on GPU memory. Nods to the Linux O(1) scheduler (LRU <-> run queue per processor). The unordered_map has constant time access via hash table.
#include <iostream>
#include <list>
#include <unordered_map>
using namespace std;
struct MapEntry {
list<uint64_t&...
What can be the reasons of connection refused errors?
...istening port is actually open and actively being used, but its backlog of queued inbound connection requests has reached its maximum so there is no room available for the inbound connection request to be queued at that moment. The server code has not called accept() enough times yet to finish clea...
Yellow fade effect with JQuery
... "z-index": "9999999"
}).appendTo('body').fadeOut(1000).queue(function () { $(this).remove(); });
});
}
Optional:
Use the following code if you also want to match the border-radius of the element:
jQuery.fn.highlight = function () {
$(this).each(function () {
va...