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DateTime.Now vs. DateTime.UtcNow
...y are the principles of how the two properties work. I know the second one is universal and basically doesn't deal with time zones, but can someone explain in detail how they work and which one should be used in what scenario?
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What is SuppressWarnings (“unchecked”) in Java?
...hat you're doing really will be legal at execution time.
I usually find this a pain when I'm mocking a generic interface, but there are other examples too. It's usually worth trying to work out a way of avoiding the warning rather than suppressing it (the Java Generics FAQ helps here) but sometimes...
How to Store Historical Data
Some co-workers and I got into a debate on the best way to store historical data. Currently, for some systems, I use a separate table to store historical data, and I keep an original table for the current, active record. So, let's say I have table FOO. Under my system, all active records will go ...
Generating a PNG with matplotlib when DISPLAY is undefined
I am trying to use networkx with Python. When I run this program it get this error. Is there anything missing?
12 Answers
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Why are functions in Ocaml/F# not recursive by default?
Why is it that functions in F# and Ocaml (and possibly other languages) are not by default recursive?
6 Answers
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C++ Best way to get integer division and remainder
...e number of seconds and want to split that into minutes and seconds), what is the best way to go about it?
8 Answers
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New to unit testing, how to write great tests? [closed]
...o the unit testing world, and I just decided to add test coverage for my existing app this week.
7 Answers
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SQL variable to hold list of integers
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Table variable
declare @listOfIDs table (id int);
insert @listOfIDs(id) values(1),(2),(3);
select *
from TabA
where TabA.ID in (select id from @listOfIDs)
or
declare @listOfIDs varchar(1000);
SET @listOfIDs = ',1,2,3,'; --in this solution nee...
Why do I get “Pickle - EOFError: Ran out of input” reading an empty file?
... getting an interesting error while trying to use Unpickler.load() , here is the source code:
7 Answers
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Is there a range class in C++11 for use with range based for loops?
I found myself writing this just a bit ago:
8 Answers
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