大约有 47,000 项符合查询结果(耗时:0.0608秒) [XML]

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ToList()— does it create a new list?

Let's say I have a class 12 Answers 12 ...
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Convert string[] to int[] in one line of code using LINQ

I have an array of integers in string form: 6 Answers 6 ...
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Is there a float input type in HTML5?

According to html5.org , the "number" input type's "value attribute, if specified and not empty, must have a value that is a valid floating point number." ...
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What does `kill -0 $pid` in a shell script do?

Basically, what signal does '0' represent, because here I see SIGNAL numbers starting from 1. 6 Answers ...
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iOS UIImagePickerController result image orientation after upload

I am testing my iPhone application on an iOS 3.1.3 iPhone. I am selecting/capturing an image using a UIImagePickerController : ...
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Why is === faster than == in PHP?

Why is === faster than == in PHP? 11 Answers 11 ...
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Performance of foreach, array_map with lambda and array_map with static function

What's the performance difference (if there is any) between these three approaches, both used to transform an array to another array? ...
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A simple explanation of Naive Bayes Classification

I am finding it hard to understand the process of Naive Bayes, and I was wondering if someone could explain it with a simple step by step process in English. I understand it takes comparisons by times occurred as a probability, but I have no idea how the training data is related to the actual datase...
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Can you set a border opacity in CSS?

Is there a straight forward CSS way to make the border of an element semi-transparent with something like this? 9 Answers ...
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How to compute the sum and average of elements in an array?

I am having problems adding all the elements of an array as well as averaging them out. How would I do this and implement it with the code I currently have? The elements are supposed to be defined as I have it below. ...