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How to split a column into two columns?
...tolist method will return this value as is (NaN) which will result in ValueError (to overcome this issue you can cast it to string type before splitting). I recommend you to try it on your own it's the best way of learning :-)
– Nerxis
Dec 18 '19 at 8:07
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Visual Studio keyboard shortcut to automatically add the needed 'using' statement
...ntrating on making the editor smarter, keyboard shortcuts easier, and code/error checking and evaluation better - the days of a dumb editor leaving you to google a class to find out in which library it resides are gone (or should be in any case) for most of us.
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How to get file creation & modification date/times in Python?
...
try:
return stat.st_birthtime
except AttributeError:
# We're probably on Linux. No easy way to get creation dates here,
# so we'll settle for when its content was last modified.
return stat.st_mtime
...
Adding iOS UITableView HeaderView (not section header)
...untime warning: "no index path for table cell being reused". To avoid this error, reference link
– baskInEminence
Sep 2 '16 at 18:16
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Blocks and yields in Ruby
...> "Hello"
I don't have 1.9 on this machine so the above might have an error in it.
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What is the difference between an interface and abstract class?
...ures that classes must match. They behave the same as long as there are no errors though.
– Tor Valamo
Dec 16 '09 at 8:55
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Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
...hema changes and RunPython operations in the same migration or you may hit errors like OperationalError: cannot ALTER TABLE "mytable" because it has pending trigger events.
– Iasmini Gomes
Feb 1 '18 at 10:20
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What is the point of the diamond operator () in Java 7?
...le, using the raw type means you don't get this protection and will get an error at runtime. This is why you should not use raw types.
// Not legal since the right side is actually generic!
List<Integer> integers = new LinkedList<>(strings);
The diamond operator, however, allows the r...
Can an enum class be converted to the underlying type?
...ields : unsigned { field = 1 };
// ...
unsigned x = my_fields::field; // ERROR!
unsigned x = static_cast<unsigned>(my_fields::field); // OK
Also mind the fact, that the semicolon should be after the closed curly brace in your enum's definition, not before.
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How to organize large R programs?
...p really -- all you need it detach(util). i can't remember if it gives an error or not if it's not already loaded, but this is safest and does work. suggestions welcome.
– Brendan OConnor
Aug 28 '09 at 8:10
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