大约有 19,000 项符合查询结果(耗时:0.0314秒) [XML]

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How do I remove duplicates from a C# array?

I have been working with a string[] array in C# that gets returned from a function call. I could possibly cast to a Generic collection, but I was wondering if there was a better way to do it, possibly by using a temp array. ...
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How can I export the schema of a database in PostgreSQL?

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How do I select elements of an array given condition?

Suppose I have a numpy array x = [5, 2, 3, 1, 4, 5] , y = ['f', 'o', 'o', 'b', 'a', 'r'] . I want to select the elements in y corresponding to elements in x that are greater than 1 and less than 5. ...
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Python: List vs Dict for look up table

I have about 10million values that I need to put in some type of look up table, so I was wondering which would be more efficient a list or dict ? ...
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How to check if a string contains a substring in Bash

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Sorting a vector in descending order

Should I use 11 Answers 11 ...
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JavaScript: How to pass object by value?

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Time complexity of Euclid's Algorithm

I am having difficulty deciding what the time complexity of Euclid's greatest common denominator algorithm is. This algorithm in pseudo-code is: ...
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“A lambda expression with a statement body cannot be converted to an expression tree”

In using the EntityFramework , I get the error " A lambda expression with a statement body cannot be converted to an expression tree " when trying to compile the following code: ...
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What's the best way to do a backwards loop in C/C#/C++?

I need to move backwards through an array, so I have code like this: 14 Answers 14 ...