大约有 6,887 项符合查询结果（耗时：0.0132秒） [XML]
Move an array element from one array position to another
... fairly good success with this function:
function array_move(arr, old_index, new_index) {
if (new_index >= arr.length) {
var k = new_index - arr.length + 1;
while (k--) {
arr.push(undefined);
}
}
arr.splice(new_index, 0, arr.splice(old_i...
How to replace list item in best way
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Use Lambda to find the index in the List and use this index to replace the list item.
List<string> listOfStrings = new List<string> {"abc", "123", "ghi"};
listOfStrings[listOfStrings.FindIndex(ind=>ind.Equals("123"))] = "def";
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C++ sorting and keeping track of indexes
...ce of samples in ascending order, but I also want to remember the original indexes of the new samples.
15 Answers
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Cannot use a CONTAINS or FREETEXT predicate on table or indexed view because it is not full-text ind
...as default
select *
from sys.fulltext_catalogs
Create full-text search index.
create fulltext index on Production.ProductDescription(Description)
key index PK_ProductDescription_ProductDescriptionID
Before you create the index, make sure:
- you don't already have full-text search index...
Static Indexers?
Why are static indexers disallowed in C#? I see no reason why they should not be allowed and furthermore they could be very useful.
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What's the difference between using INDEX vs KEY in MySQL?
I know how to use INDEX as in the following code. And I know how to use foreign key and primary key .
5 Answers
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How to split the name string in mysql?
...le name will show as NULL if there is no middle name.
SELECT
SUBSTRING_INDEX(SUBSTRING_INDEX(fullname, ' ', 1), ' ', -1) AS first_name,
If( length(fullname) - length(replace(fullname, ' ', ''))>1,
SUBSTRING_INDEX(SUBSTRING_INDEX(fullname, ' ', 2), ' ', -1) ,NULL)
as m...
Getting the index of the returned max or min item using max()/min() on a list
... max and min functions on lists for a minimax algorithm, and I need the index of the value returned by max() or min() . In other words, I need to know which move produced the max (at a first player's turn) or min (second player) value.
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How can I remove a specific item from an array?
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Find the index of the array element you want to remove using indexOf, and then remove that index with splice.
The splice() method changes the contents of an array by removing
existing elements and/or adding new elements.
c...
How to find index of all occurrences of element in array?
I am trying to find the index of all the instances of an element, say, "Nano", in a JavaScript array.
15 Answers
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