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Java: is there a map function?
...d list to be a view, but it means that the function
will be applied many times for bulk operations like
List.contains(java.lang.Object) and List.hashCode(). For this to
perform well, function should be fast. To avoid lazy evaluation when
the returned list doesn't need to be a view, copy the ...
How to prevent Node.js from exiting while waiting for a callback?
...many queues as it will be rare for all of them to be empty at the critical time.
A possible fix/bug detector for the user is to insert a special timer event before the suspect function call.
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Calculate the number of business days between two dates?
...able, which is the case here. I don't even mention creating a bunch of DateTime instances, as I saw in one of the answers above. This is really waste of processing power. Especially in the real world situation, when you have to examine time intervals of several months.
See my code, with comments, be...
@Override is not allowed when implementing interface method
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I ran into this problem for the first time while using a multi module maven project. As other answers / IDE suggested, we need to set the language level.
Rather than changing the setting of IDE, to make the project IDE agnostic, I update the parent pom with belo...
Using SQL Server 2008 and SQL Server 2005 and date time
... 2005, recompile and everything works.
NOTE: You'll have to do this every time you update the model from database.
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What is “vectorization”?
Several times now, I've encountered this term in matlab, fortran ... some other ... but I've never found an explanation what does it mean, and what it does? So I'm asking here, what is vectorization, and what does it mean for example, that "a loop is vectorized" ?
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Linq select objects in list where exists IN (A,B,C)
...to objects, I am not 100% sure if it work in LINQ to entities, and have no time to check it right now. In fact it isn't too difficult to translate it to x in [A, B, C] but you have to check for yourself.
So, instead of Contains as a replacement of the ???? in your code you can use Any which is more...
Most efficient way to increment a Map value in Java
...o refactor some code for better performance that is getting run a bunch of times.
29 Answers
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Best way to test SQL queries [closed]
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This is the first time i see clean code and unit testing in sql, i'm happy for the day :)
– Maxime ARNSTAMM
Jul 30 '14 at 12:51
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How to find the Windows version from the PowerShell command line
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Caveat for Get-WmiObject: some times takes several seconds to return
– ndemou
Sep 9 at 12:04
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