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Are duplicate keys allowed in the definition of binary search trees?
...ng to figure out why my red/black trees would occasionally traverse out of order, the problem was what I described above. Hopefully somebody reads this and saves themselves hours of debugging in the future!
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Tying in to Django Admin's Model History
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logs = LogEntry.objects.exclude(change_message="No fields changed.").order_by('-action_time')[:20]
logCount = LogEntry.objects.exclude(change_message="No fields changed.").order_by('-action_time')[:20].count()
return render(request, template, {"logs":logs, "logCount":logCount})
As s...
Are Duplicate HTTP Response Headers acceptable?
...each subsequent field-value to the first, each
separated by a comma. The order in which header fields with the same
field-name are received is therefore significant to the interpretation
of the combined field value, and thus a proxy MUST NOT change the
order of these field values when a mess...
How to enable mod_rewrite for Apache 2.2
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In order to use mod_rewrite you can type the following command in the terminal:
sudo a2enmod rewrite
Restart apache2 after
sudo /etc/init.d/apache2 restart
or
sudo service apache2 restart
or as per new unified System Co...
Redirect From Action Filter Attribute
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@Akbari have you tried setting the Order property of the attributes? Also FilterScope wil impact execution order.
– CRice
Dec 3 '17 at 23:37
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Why Collections.sort uses merge sort instead of quicksort?
...lly speaking, multiple sequential
stable sorts result in a lexicographic ordering on the keys in the
reverse order of the sorts: the final sort determines the most
significant subkey.)
It's a nice side benefit that Merge Sort guarantees n log n (time)
performance no matter what the inpu...
SparseArray vs HashMap
...;
sparseArray.put(17, "pig");
Note that the int keys do not need to be in order. This can also be used to change the value at a particular int key.
Remove items
Use remove (or delete) to remove elements from the array.
sparseArray.remove(17); // "pig" removed
The int parameter is the integer key.
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jQuery - select the associated label element of a input field [duplicate]
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You shouldn't rely on the order of elements by using prev or next. Just use the for attribute of the label, as it should correspond to the ID of the element you're currently manipulating:
var label = $("label[for='" + $(this).attr('id') + "']");
Ho...
How to add a progress bar to a shell script?
...ash use their own built-in echo command that doesn't accept "-n" ... so in order to accomplish the same thing you need to put \r\c at the end of the string, instead of just \r
– Justin Jenkins
Apr 2 '12 at 1:17
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Should I make HTML Anchors with 'name' or 'id'?
...hat has an ID exactly equal to fragid, then the first such element in tree order is the indicated part of the document; stop the algorithm here.
If there is an a element in the DOM that has a name attribute whose value is exactly equal to fragid, then the first such element in tree order is the...