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GitHub Error Message - Permission denied (publickey)
...itHub has a help page specifically for that error message, and explains in more detail everything you could check.
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How to Store Historical Data
...data directly within an operational system will make your application much more complex than it would otherwise be. Generally, I would not recommend doing it unless you have a hard requirement to manipulate historical versions of a record within the system.
If you look closely, most requirements...
Scala: Abstract types vs generics
...orm of object-oriented abstraction. So in a sense you could say Scala is a more orthogonal and complete language.
Why?
What, in particular, abstract types buy you is a nice treatment for these covariance problems we talked about before.
One standard problem, which has been around for a long time, ...
Convert a row of a data frame to vector
... dropping the names. Therefore unname(unlist(df[1,])) is another, slightly more explicit way to get to the same result.
As @Josh comments below, if you have a not-completely-numeric (alphabetic, factor, mixed ...) data frame, you need as.character(df[1,]) instead.
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SQL Server loop - how do I loop through a set of records
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How to export DataTable to Excel
... What an excellent answer, dude. I don't have scope to give more than one up-vote to your answer, otherwise I could have given even more than 100 up-votes.
– Ashok kumar
Mar 9 '16 at 15:10
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Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop
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Pry: show me the stack
... enter this (bind 'B' send-keys '...^M'), using a "reject" instead so it's more generic: caller.reject {|x| x["vendor/bundle"] || x["/.rbenv/versions/"] }
– hoodslide
Jul 9 '15 at 19:15
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Sockets: Discover port availability using Java
...it (as suggested by Partly Clodys comment and Ivan's answer) seems to work more reliable.
– stian
Dec 6 '12 at 12:46
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How to map calculated properties with JPA and Hibernate
...read: Hibernate Derived Properties - Performance and Portability.
Without more details, I can't give a more precise answer but the above link should be helpful.
See also:
Section 5.1.22. Column and formula elements (Hibernate Core documentation)
Section 2.4.3.1. Formula (Hibernate Annotations do...