大约有 38,000 项符合查询结果(耗时:0.0520秒) [XML]

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Total memory used by Python process?

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CGContextDrawImage draws image upside down when passed UIImage.CGImage

... need alpha). Basically my motto is, use a little code as you can because more code means more chances for bugs. – Kendall Helmstetter Gelner May 21 '10 at 1:36 ...
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Collections.emptyMap() vs new HashMap()

...ions.emptySet(); } These methods offer a couple of advantages: They're more concise because you don't need to explicitly type out the generic type of the collection - it's generally just inferred from the context of the method call. They're more efficient because they don't bother creating ne...
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How to use the “number_to_currency” helper method in the model rather than view?

...ect to mediate between the model and view. This almost definitely requires more initial work than other solutions, but is almost always a better design. Using helpers in a presenter/view-model doesn’t violate MVC, as they reside in the view layer, replacing traditional custom Rails helpers and log...
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How to get rid of punctuation using NLTK tokenizer?

...code, which removed all the punctuation: tokens = nltk.wordpunct_tokenize(raw) type(tokens) text = nltk.Text(tokens) type(text) words = [w.lower() for w in text if w.isalpha()] share | impro...
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Creating an R dataframe row-by-row

...- list(1.4, "foo") That should work for arbitrary data.frame and be much more efficient. If you overshot N you can always shrink empty rows out at the end. share | improve this answer | ...
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What are advantages of Artificial Neural Networks over Support Vector Machines? [closed]

... "deep architectures" can represent "intelligent" behaviour/functions etc. more efficiently than "shallow architectures" like SVMs. – alfa Jul 25 '12 at 17:23 1 ...
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How can I pass data from Flask to JavaScript in a template?

...' + myGeocode[1])" /> </body> </html> Jinja also offers more advanced constructs from Python, so you can shorten it to: <html> <head> <script> var myGeocode = [{{ ', '.join(geocode) }}]; </script> </head> <body> <p>Hello World&l...
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Is it possible to install another version of Python to Virtualenv?

...[GCC 4.4.5] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> exit() (py2.7)$ deactivate $ python Python 2.6.6 (r266:84292, Sep 15 2010, 15:52:39) [GCC 4.4.5] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> ...
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How to detect total available/free disk space on the iPhone/iPad device?

... and only then the app crashes. So I would say that this method gives you more correct information than what you see in Settings. – ancajic Apr 29 '15 at 11:49 4 ...