大约有 10,151 项符合查询结果(耗时:0.0346秒) [XML]

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How to normalize a NumPy array to within a certain range?

After doing some processing on an audio or image array, it needs to be normalized within a range before it can be written back to a file. This can be done like so: ...
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?

The table in question contains roughly ten million rows. 9 Answers 9 ...
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Add … if string is too long PHP [duplicate]

I have a description field in my MySQL database, and I access the database on two different pages, one page I display the whole field, but on the other, I just want to display the first 50 characters. If the string in the description field is less than 50 characters, then it won't show ... , but if...
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How to convert a LocalDate to an Instant?

I work with the new DateTime API of Java 8. 2 Answers 2 ...
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Where can I locate themes for VS2012

Okay, the lack of color on VS2012 is gross. 8 Answers 8 ...
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.Net HttpWebRequest.GetResponse() raises exception when http status code 400 (bad request) is return

I am in a situation where when I get an HTTP 400 code from the server, it is a completely legal way of the server telling me what was wrong with my request (using a message in the HTTP response content) ...
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When is null or undefined used in JavaScript? [duplicate]

I am really confused as to when JavaScript returns null or undefined . Also different browsers seem to be returning these differently. ...
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What is an index in SQL?

What is an index in SQL? Can you explain or reference to understand clearly? 11 Answers ...
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CRON job to run on the last day of the month

I need to create a CRON job that will run on the last day of every month. I will create it using cPanel. 15 Answers ...
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Open the file in universal-newline mode using the CSV Django module

I am trying to access a model.filefield in Django to parse a CSV file in Python using the csv module. It's working on Windows, but on Mac it gave me this: ...