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Convert a list to a data frame
I have a nested list of data. Its length is 132 and each item is a list of length 20. Is there a quick way to convert this structure into a data frame that has 132 rows and 20 columns of data?
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How to check if a string starts with one of several prefixes?
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great (and up-to-date) answer... btw s -> newStr4.startsWith(s) can be replaced by newStr7::startsWith to be clearer
– Jordi Castilla
Jan 10 '17 at 16:46
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JavaScript string newline character?
...);
<textarea id="test" name="test">
</textarea>
IE8 and Opera 9 on Windows use \r\n. All the other browsers I tested (Safari 4 and Firefox 3.5 on Windows, and Firefox 3.0 on Linux) use \n. They can all handle \n just fine when setting the value, though IE and Opera will conver...
JetBrains / IntelliJ keyboard shortcut to collapse all methods
...working on some legacy code that has a class that is 10,000+ lines of code and has 100s of methods. Is there a shortcut for any JetBrains IDE (since the shortcut would likely be shared across all of them) to collapse all the methods / functions so that only the method signatures are shown?
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CardView layout_width=“match_parent” does not match parent RecyclerView width
...L. Returns The root View of
the inflated hierarchy. If root was supplied and attachToRoot is true,
this is root; otherwise it is the root of the inflated XML file.
It is important here to not supply true, but do supply the parent:
LayoutInflater.from(parent.getContext())
.inflate(...
How does Apple find dates, times and addresses in emails?
...n an email contains a date, time or location, the text becomes a hyperlink and it is possible to create an appointment or look at a map simply by tapping the link. It not only works for emails in English, but in other languages also. I love this feature and would like to understand how they do it.
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Why number 9 in kill -9 command in unix? [closed]
I understand it's off topic, I couldn't find anywhere online and I was thinking maybe programming gurus in the community might know this.
I usually use
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How to fix the datetime2 out-of-range conversion error using DbContext and SetInitializer?
I'm using the DbContext and Code First APIs introduced with Entity Framework 4.1.
14 Answers
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How do I fit an image (img) inside a div and keep the aspect ratio?
I have a 48x48 div and inside it there is an img element, I want to fit it into the div without losing any part, in the mean time the ratio is kept, is it achievable using html and css?
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How to shift a column in Pandas DataFrame
I would like to shift a column in a Pandas DataFrame , but I haven't been able to find a method to do it from the documentation without rewriting the whole DF. Does anyone know how to do it?
DataFrame:
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