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Create an empty data.frame

I'm trying to initialize a data.frame without any rows. Basically, I want to specify the data types for each column and name them, but not have any rows created as a result. ...
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When should I use ugettext_lazy?

I have a question about using ugettext and ugettext_lazy for translations. I learned that in models I should use ugettext_lazy , while in views ugettext. But are there any other places, where I should use ugettext_lazy too? What about form definitions? Are there any performance diffrences betwe...
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Git clone without .git directory

Is there a flag to pass to git when doing a clone, say don't clone the .git directory? If not, how about a flag to delete the .git directory after the clone? ...
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Is there a date format to display the day of the week in java?

I know of date formats such as "yyyy-mm-dd" -which displays date in format 2011-02-26 "yyyy-MMM-dd" -which displays date in format 2011-FEB-26 ...
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How to override to_json in Rails?

This issue was not properly explored. The real issue lies within render :json . 4 Answers ...
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Any way to delete in vim without overwriting your last yank? [duplicate]

I love vim, but one common gotcha is: 13 Answers 13 ...
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How can I reverse a list in Python?

How can I do the following in Python? 35 Answers 35 ...
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Is there an equivalent to background-size: cover and contain for image elements?

I have a site with many pages and different background pictures, and I display them from CSS like: 14 Answers ...
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How to suppress Pandas Future warning ?

When I run the program, Pandas gives 'Future warning' like below every time. 3 Answers ...
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Should I use document.createDocumentFragment or document.createElement

I was reading about document fragments and DOM reflow and wondered how document.createDocumentFragment differed from document.createElement as it looks like neither of them exist in the DOM until I append them to a DOM element. ...