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What is the fastest or most elegant way to compute a set difference using Javascript arrays?
...returning the amount (2 in this case) of elements of A which are not in B. Converting 2 into array is pointless...
– Alex
Mar 2 '18 at 12:29
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Set a DateTime database field to “Now”
...setting the SQLparameter to DateTime.Now will do this or If I should first convert the date to a string and then add it to the request ?
– Thibault Witzig
Dec 20 '10 at 9:41
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Comparing mongoose _id and strings
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converting object id to string(using toString() method) will do the job.
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float64 with pandas to_csv
...ad the CSV file as usual and you will get those integer figures back. Then convert those values to floating point, dividing by the same factor you multiplied before.
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getMonth in javascript gives previous month
...conds...) which are always used as numbers as they are, the month is often converted to text, using an array of names, which is of course 0-based. It was already the case in C standard libraries, which must be over 40 years old.
– jcaron
Aug 24 '17 at 8:40
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Change string color with NSAttributedString?
...on should have been "How to set the label's color based on its value". I pointed out that the solution does not require NSAttributedString and showed a much simpler answer. And the OP agreed by accepting my much simpler answer. If the OP really wanted NSAttributedString, they wouldn't have accepted ...
Strings as Primary Keys in SQL Database [closed]
...theories behind how they work. Is it any slower from a performance standpoint (inserting/updating/querying) to use Strings for Primary Keys than integers?
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Android ListView not refreshing after notifyDataSetChanged
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Wouldn't it be cleaner to move the whole dbHelper thing into the Adapter? So you would only call adapter.swapItems(); and the adapter would do the dbHelper.getItems() stuff. But anyway thanks for the answer :)
– Ansgar
Feb 16 '14 at 20:32
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Differences between unique_ptr and shared_ptr [duplicate]
...ated with make_shared. But if you create a unique_ptr<Derived>, then convert it to unique_ptr<Base>, and if Derived is virtual and Base is not, then the pointer will be deleted through the wrong type and there can be undefined behaviour. This can be fixed with an appropriate deleter-type...
How to put multiple statements in one line?
...ence of simple statements, separated by semi-colon:
for i in range(10): print "foo"; print "bar"
But as soon as you add a construct that introduces an indented block (like if), you need the line break. Also,
for i in range(10): print "i equals 9" if i==9 else None
is legal and might approximat...