大约有 40,000 项符合查询结果(耗时:0.0587秒) [XML]

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what is the difference between 'transform' and 'fit_transform' in sklearn

... into training data and test data: import numpy as np from sklearn.model_selection import train_test_split X_train, X_test, y_train, y_test = train_test_split(X, y) X_train_vectorized = model.fit_transform(X_train) X_test_vectorized = model.transform(X_test) Imagine we are fitting a tokenizer,...
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Remove all special characters with RegExp

...cape it with a backslash like the latter group. if you don't it will also select 0-9 which is probably undesired. share | improve this answer | follow | ...
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Two divs, one fixed width, the other, the rest

... This should be selected as the best answer, because in this answer the DIV tags ain't swapped like in the best answer. – Don Dilanga Jul 15 '17 at 1:25 ...
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How to use WHERE IN with Doctrine 2

..., array(1, 2), \Doctrine\DBAL\Connection::PARAM_INT_ARRAY); Tested for select/delete in symfony 3.4 & doctrine-bundle: 1.8 share | improve this answer | follow ...
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How can I change or remove HTML5 form validation default error messages?

...alidation message from appearing in your document, with jQuery: $('input, select, textarea').on("invalid", function(e) { e.preventDefault(); }); share | improve this answer | ...
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How to add a string to a string[] array? There's no .Add function

... string[] coleccion = Directory.GetFiles(inputPath) .Select(x => new FileInfo(x).Name) .ToArray(); share | improve this answer | follow ...
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jQuery checkbox event handling

...mall tip. You will get a performance boost by using input:checkbox in your selector instead of just :checkbox since the latter is translated to the universal selector *:checkbox. – jimmystormig Feb 1 '12 at 15:28 ...
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Delete files older than 15 days using PowerShell

....LastwriteTime -lt (Get-Date).AddDays(-15) ) -and (! $_.PSIsContainer)} | select name| Remove-Item -Verbose -Force -Recurse -ErrorAction SilentlyContinue share | improve this answer | ...
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com.jcraft.jsch.JSchException: UnknownHostKey

... This is insecure and really shouldn't have been selected as the right answer on that principle. The setKnownHosts() and setFingerPrint() options are the way to do this without ignoring an important aspect of the ssh process. Edit: in my experience, #1 does not work from wi...
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Where are iOS simulator screenshots stored?

... In the Organizer view just right-click a screenshot and select "Show in Finder...". This will open the screenshots folder in the Finder for you. share | improve this answer ...