大约有 40,000 项符合查询结果（耗时：0.0549秒） [XML]
How can building a heap be O(n) time complexity?
... useful; for example, when retrieving items with integer keys in ascending order or strings in alphabetical order. The principles are exactly the same; simply switch the sort order.
The heap property specifies that each node in a binary heap must be at least as large as both of its children. In part...
Is it possible to use argsort in descending order?
...commands numpy.flipud() or numpy.fliplr() to get the indexes in descending order after sorting using the argsort command. Thats what I usually do.
share
|
improve this answer
|
...
How to initialize all members of an array to the same value?
...),
_ITEM(ERR_FAIL),
_ITEM(ERR_MEMORY)
};
This keeps things in order, even if you happen to write some of the enum-values out of order.
More about this technique can be found here and here.
share
|
...
Make first letter of a string upper case (with maximum performance)
...t.First().ToString().ToUpper() + input.Substring(1);
}
}
}
Really old answers
public static string FirstCharToUpper(string input)
{
if (String.IsNullOrEmpty(input))
throw new ArgumentException("ARGH!");
return input.First().ToString().ToUpper() + String.Join("", input....
Mysql adding user for remote access
...
In order to connect remotely you have to have MySQL bind port 3306 to your machine's IP address in my.cnf. Then you have to have created the user in both localhost and '%' wildcard and grant permissions on all DB's as such . See...
Preventing an image from being draggable or selectable without using JS
...
Worked on all browsers.
– Milad Abooali
Aug 21 '15 at 3:16
...
Right way to initialize an OrderedDict using its constructor such that it retains order of initial d
What's the correct way to initialize an ordered dictionary (OD) so that it retains the order of initial data?
2 Answers
...
Postgresql GROUP_CONCAT equivalent?
...
Note that the syntax also allows you to specify the order of values in the string (or array, using array_agg) e.g. string_agg(some_column, ',' ORDER BY some_column) or even string_agg(surname || ', ' || forename, '; ' ORDER BY surname, forename)
– IMSoP
...
How to wait for several Futures?
... fail, whereas with for comprehension you get the first error in traversal order of the input collection (even if another one failed first). For example:
val f1 = Future { Thread.sleep(1000) ; 5 / 0 }
val f2 = Future { 5 }
val f3 = Future { None.get }
Future.sequence(List(f1,f2,f3)).onFailure{case...
List directory in Go
...ts of a directory and speed is of essence, note that using Readdirnames is orders of magnitude faster (around 20x faster for me)
– SquattingSlavInTracksuit
Oct 14 '19 at 12:41
...