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Python memoising/deferred lookup property decorator
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I found this method to be 7.6 times faster than the selected answer. (2.45 µs / 322 ns) See ipython notebook
– Dave Butler
Feb 28 '14 at 19:49
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java.util.Date to XMLGregorianCalendar
...est voted answer by Ben Noland uses the JVMs current default time zone for selecting the offset of the XMLGregorianCalendar. To include an offset in a modern object we use an OffsetDateTime. For example:
ZoneId zone = ZoneId.of("America/Asuncion");
OffsetDateTime dateTime = yourInstant.atZo...
Show control hierarchy in the WinForms designer
... Some of those controls have a deep hierarchy and that makes it to hard to select them in the designer.
3 Answers
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Emulator error: This AVD's configuration is missing a kernel file
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Open AVD Manager in Administrator mode
Select VM and click edit, click OK
Start VM.
Editor's note: By administrator mode, he meant Right-click > Run as administrator on windows platforms .
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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,...
How to create function that returns nothing
...o I make use of this function inside of another function? If I try without SELECT * FROM stamp_user(...), then I get error: query has no destination for result data and if I just write stamp_user(...) then I get syntax error.
– pir
Dec 22 '18 at 18:28
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Detect If Browser Tab Has Focus
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onblur|.blur/onfocus|.focus "duplicate" calls
window losing focus through selection of alternate app, like word
This tends to be undesirable simply because, if you have a bank page open, and it's onblur event tells it to mask the page, then if you open calculator, you can't see the page anymore!
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Where does Xcode 4 store Scheme Data?
... @Zaph No problem, just go to Product -> Manage Schemes... -> Select the shared scheme -> Click the Gear icon -> Duplicate -> Uncheck the "Shared" checkbox -> Rename if desired -> Click Edit... -> Make your changes to the scheme. They won't be picked up by people using...
Can you call Directory.GetFiles() with multiple filters?
...lters, System.IO.SearchOption searchOption)
{
return filters.Split('|').SelectMany(filter => System.IO.Directory.GetFiles(sourceFolder, filter, searchOption)).ToArray();
}
I found it here (in the comments): http://msdn.microsoft.com/en-us/library/wz42302f.aspx
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How to change the order of DataFrame columns?
...mean(1))
http://pandas.pydata.org/pandas-docs/stable/dsintro.html#column-selection-addition-deletion
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