大约有 47,000 项符合查询结果(耗时:0.0598秒) [XML]

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How do I truncate a .NET string?

I would like to truncate a string such that its length is not longer than a given value. I am writing to a database table and want to ensure that the values I write meet the constraint of the column's datatype. ...
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C++ equivalent of java's instanceof

What is the preferred method to achieve the C++ equivalent of java's instanceof ? 6 Answers ...
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How are feature_importances in RandomForestClassifier determined?

I have a classification task with a time-series as the data input, where each attribute (n=23) represents a specific point in time. Besides the absolute classification result I would like to find out, which attributes/dates contribute to the result to what extent. Therefore I am just using the feat...
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Getting individual colors from a color map in matplotlib

If you have a Colormap cmap , for example: 4 Answers 4 ...
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How to remove the first Item from a list?

I have the list [0, 1, 2, 3, 4] I'd like to make it into [1, 2, 3, 4] . How do I go about this? 10 Answers ...
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Differences between Oracle JDK and OpenJDK

Are there any crucial differences between Oracle and OpenJDK? 11 Answers 11 ...
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How to check whether a pandas DataFrame is empty?

How to check whether a pandas DataFrame is empty? In my case I want to print some message in terminal if the DataFrame is empty. ...
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Specifying rails version to use when creating a new application

I have two versions of rails (2.1.0 and 2.2.2) installed in my computer. 7 Answers 7 ...
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What is the difference between exit(0) and exit(1) in C?

Can anyone tell me? What is the difference between exit(0) and exit(1) in C language? 11 Answers ...
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Resizing an image in an HTML5 canvas

I'm trying to create a thumbnail image on the client side using javascript and a canvas element, but when I shrink the image down, it looks terrible. It looks as if it was downsized in photoshop with the resampling set to 'Nearest Neighbor' instead of Bicubic. I know its possible to get this to lo...