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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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Total memory used by Python process?

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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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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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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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Logging best practices [closed]

...LogicalOperationStack can then be used for simple stack-based context. For more complex contexts (e.g. asynchronous operations), using TraceTransfer to the new ActivityId (before changing it), allows correlation. The Service Trace Viewer tool can be useful for viewing activity graphs (even if you ...
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Why don't C++ compilers define operator== and operator!=?

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Perform commands over ssh with Python

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