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

In the sklearn-python toolbox, there are two functions transform and fit_transform about sklearn.decomposition.RandomizedPCA . The description of two functions are as follows ...
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Peak memory usage of a linux/unix process

Is there a tool that will run a command-line and report the peak RAM usage total? 20 Answers ...
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How can I print literal curly-brace characters in python string and also use .format on it?

... You need to double the {{ and }}: >>> x = " {{ Hello }} {0} " >>> print(x.format(42)) ' { Hello } 42 ' Here's the relevant part of the Python documentation for format string syntax: Format strings contain “replacement fields...
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How do I find out which process is locking a file using .NET?

I've seen several of answers about using Handle or Process Monitor , but I would like to be able to find out in my own code (C#) which process is locking a file. ...
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What's the meaning of * (asterisk) in XAML ColumnDefinition?

...efinitions> The first column will get 7% of the total space available and the second column would get 93%. On the other hand if you had this definition: <Grid.ColumnDefinitions> <ColumnDefinition Width="0.07*"/> <ColumnDefinition Width="0.14*"/> </Grid.ColumnDefinition...
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Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K

I have a pandas DataFrame and I want to delete rows from it where the length of the string in a particular column is greater than 2. ...
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How do I ZIP a file in C#, using no 3rd-party APIs?

... Are you using .NET 3.5? You could use the ZipPackage class and related classes. Its more than just zipping up a file list because it wants a MIME type for each file you add. It might do what you want. I'm currently using these classes for a similar problem to archive several relat...
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iOS White to Transparent Gradient Layer is Gray

...with an alpha of 0, so I had to use [UIColor colorWithWhite:1 alpha:0] and it works fine. share | improve this answer | follow | ...
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Is there a way to measure how sorted a list is?

...Formally, let A(1), A(2), ..., A(n) be a sequence of n numbers.If i < j and A(i) > A(j), then the pair (i,j) is called an inversion of A. The inversion number of a sequence is one common measure of its sortedness.Formally, the inversion number is defined to be the number of inversions, that is...
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Phase • Animations made easy! - Extensions - Kodular Community

... "regular" scheme is dark */ /* user picked a theme a light scheme and also enabled a dark scheme */ /* deal with light scheme first */ @media (prefers-color-scheme: light) { :root { --primary: #000000; --secondary: #ffffff; --te...