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How do I get a list of all the duplicate items using pandas in python?
...f the pandas duplicated method to both True and False you can obtain a set from your dataframe that includes all of the duplicates.
df_bigdata_duplicates =
df_bigdata[df_bigdata.duplicated(cols='ID', take_last=False) |
df_bigdata.duplicated(cols='ID', take_last=True)
...
Why cast unused return values to void?
...o overloaded operators (not using function call notation) should be exempt from this too:
class A {};
A operator+(A const &, A const &);
int main () {
A a;
a + a; // Not a problem
(void)operator+(a,a); // Using function call notation - so add the cast.
...
How to run Visual Studio post-build events for debug build only
...project file source. Other conditional build event declarations are hidden from the the IDE also.
– Joseph Daigle
Sep 29 '08 at 18:55
3
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Run a Java Application as a Service on Linux
...
echo $PID > pid.txt
Then your stop script stop.sh would read the PID from the file and kill the application:
PID=$(cat pid.txt)
kill $PID
Of course I've left out some details, like checking whether the process exists and removing pid.txt if you're done.
...
How do I format a date with Dart?
...d); // something like 2013-04-20
}
There are many options for formatting. From the docs:
ICU Name Skeleton
-------- --------
DAY d
ABBR_WEEKDAY E
WEEKDAY EEEE
ABBR_STANDALONE_MONTH LLL
STANDALON...
Background color not showing in print preview
... avoid the difficulties you are having. First, separate all your print CSS from your screen CSS. This is done via the @media print and @media screen.
Often times just setting up some extra @media print CSS is not enough because you still have all your other CSS included when printing as well. In th...
jQuery Ajax error handling, show custom exception messages
...orks fine if everything's done on the development box. If I try connecting from a different box on the network, the xhr.responseText contains the generic error page html and not my custom message, see stackoverflow.com/questions/3882752/…
– jamiebarrow
Oct 7 ...
Query for documents where array size is greater than 1
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After adding/removing elements from the Array, we need to update the count of "NamesArrayLength". Can this done in a single query? Or it requires 2 queries, one for updating the array and another for updating the count?
– WarLord
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How to perform mouseover function in Selenium WebDriver using Java?
...lement(by.css('.material-dialog-container'))
, -20, -20 // pixel offset from top left
)
.click()
.perform();
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How do I convert a TimeSpan to a formatted string? [duplicate]
...ave to include it in the format string, but where does the assumption come from that the TimeSpan difference between two DateTimes rarely exceeds a whole day?
– Thomas Mulder
Dec 16 '16 at 14:46
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