大约有 47,000 项符合查询结果(耗时:0.0421秒) [XML]

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Why do we have to normalize the input for an artificial neural network?

...ou have to normalize the values that you want to pass to the neural net in order to make sure it is in the domain. As with all functions, if the arguments are not in the domain, the result is not guaranteed to be appropriate. The exact behavior of the neural net on arguments outside of the domain ...
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How to get JavaScript caller function line number? How to get JavaScript caller source URL?

...or' exception and not the 'errorHandler' exception wich you really want in order to make debugging easy. Throwing your own exceptions is great but on large projects locating them can be quite an issue, especially if they have similar messages. So, what you can do is to pass a reference to an actual...
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Postgresql GROUP_CONCAT equivalent?

... Note that the syntax also allows you to specify the order of values in the string (or array, using array_agg) e.g. string_agg(some_column, ',' ORDER BY some_column) or even string_agg(surname || ', ' || forename, '; ' ORDER BY surname, forename) – IMSoP ...
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Programmatically Hide/Show Android Soft Keyboard [duplicate]

...red. As such, I used the following stackoverflow.com/a/29229865/2413303 in order to programmatically call the keyboard (with delay, because otherwise it didn't work). – EpicPandaForce Mar 24 '15 at 10:29 ...
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Does a javascript if statement with multiple conditions test all of them?

...ime, and not only is it important to know this short circuits, but in what order. For example: if (takesSeconds() && takesMinutes()) is much better than if (takesMinutes() && takesSeconds()) if both are equally likely to return false. ...
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Why are Docker container images so large?

... a new layer in the image and every layer requires extra space on disk. In order to keep the number layers to a minimum, any file manipulation like install, moving, extracting, removing, etc, should ideally be made under a single RUN instruction FROM fedora:latest RUN yum -y install nano git &&...
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Differences in string compare methods in C#

...uistically-relevant data Display of linguistic data requiring a fixed sort order CurrentCulture or CurrentCultureIgnoreCase Data displayed to the user Most user input Note, that StringComparison Enumeration as well as overloads for string comparison methods, exists since .NET 2.0. String.Co...
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What is a Python equivalent of PHP's var_dump()? [duplicate]

...want an official string representation of some object - you use repr(). In order to have non-official (read human-readable) you can always force conversion to string: str(object), which produces info similar to php's print_r() (used much more ofter for debugging than var_dump). ...
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How to delete duplicate rows in SQL Server?

...4], [col5], [col6], [col7], RN = ROW_NUMBER()OVER(PARTITION BY col1 ORDER BY col1) FROM dbo.Table1 ) DELETE FROM CTE WHERE RN > 1 DEMO (result is different; I assume that it's due to a typo on your part) COL1 COL2 COL3 COL4 COL5 COL6 COL7 john 1 1 1...
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What's Up with Logging in Java? [closed]

... In chronological order of api apperance (as far as I know): Log4j because most everybody uses it (in my experience) Commons Logging because open source projects use it (so they can integrate with whatever logging framework is used in the in...