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Numpy argsort - what is it doing?
...ermutation (that if the 2 permutations are applied to each other in either order the result is the Identity). The second permutation if applied to a sorted data array would produce the unsorted data array, i.e. it is the rank.
– Alex C
May 18 '16 at 0:35
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Fastest way to find second (third…) highest/lowest value in vector or column
...x and min, but I do not see a really fast way to find another value in the order, apart from sorting the whole vector and then picking a value x from this vector.
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How to perform OR condition in django queryset?
...t just works. As you'd expect, the | binary operator returns a QuerySet so order_by(), .distinct(), and other queryset filters can be tacked on to the end.
combined_queryset = User.objects.filter(income__gte=5000) | User.objects.filter(income__isnull=True)
ordered_queryset = combined_queryset.order...
How to sort ArrayList in decreasing order?
How to sort an ArrayList<Long> in Java in decreasing order?
14 Answers
14
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Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3 [duplicate]
...ersion of this implementation is UNSAFE. You should not rely on dictionary order. For example doing d=dict(**d) may change the iteration order of keys.
– xaviersjs
Oct 2 '19 at 0:08
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How do I use a PriorityQueue?
...d pass in a comparator which compares in the appropriate way for your sort order. If you give an example of how you want to sort, we can provide some sample code to implement the comparator if you're not sure. (It's pretty straightforward though.)
As has been said elsewhere: offer and add are just d...
SqlException from Entity Framework - New transaction is not allowed because there are other threads
...ds, you can write your query like this:
foreach (var client in clientList.OrderBy(c => c.Id).QueryInChunksOf(100))
{
// do stuff
context.SaveChanges();
}
The queryable object you call this method on must be ordered. This is because Entity Framework only supports IQueryable<T>.Sk...
Breadth First Vs Depth First
... / / \
D E F
A depth first traversal would visit the nodes in this order
A, B, D, C, E, F
Notice that you go all the way down one leg before moving on.
A breadth first traversal would visit the node in this order
A, B, C, D, E, F
Here we work all the way across each level before going...
boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术
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#include "boost/multi_index/member.hpp"
#include "boost/multi_index/ordered_index.hpp"
using boost::multi_index_container;
using namespace boost::multi_index;
struct stu_num{}; // 索引-学号
struct stu_name{}; // 索引-姓名
struct stu_age{}; // 索引-年龄 ...
Can ordered list produce result that looks like 1.1, 1.2, 1.3 (instead of just 1, 2, 3, …) with css?
Can an ordered list produce results that looks like 1.1, 1.2, 1.3 (instead of just 1, 2, 3, ...) with CSS? So far, using list-style-type:decimal has produced only 1, 2, 3, not 1.1, 1.2., 1.3.
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