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JPA and Hibernate - Criteria vs. JPQL or HQL
...ed way to express queries in Hibernate, but sometimes Criteria Queries are more difficult to understand/build than HQL.
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Will strlen be calculated multiple times if used in a loop condition?
..., then you'll need to either call strlen() each time, or handle it through more complicated logic.
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Unit test naming best practices [closed]
...iously I used Fixture as suffix instead of Tests but I think the latter is more common, then I changed the naming strategy.
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Why is there no Constant feature in Java?
... final in Java seems to work like C++ const for value types, but more like a C++ non-const T& for reference types
– Mark K Cowan
Aug 18 '16 at 11:28
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INNER JOIN ON vs WHERE clause
...NNER JOIN is ANSI syntax which you should use.
It is generally considered more readable, especially when you join lots of tables.
It can also be easily replaced with an OUTER JOIN whenever a need arises.
The WHERE syntax is more relational model oriented.
A result of two tables JOINed is a carte...
Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa
...only a detail, but I think that ( ) + or ( ){2,} should be a (very) little more efficient ;)
– sp00m
Aug 19 '13 at 8:05
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Technically, why are processes in Erlang more efficient than OS threads?
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After some more research I found a presentation by Joe Armstrong.
From Erlang - software for a concurrent world (presentation) (at 13 min):
[Erlang] is a concurrent language – by that I mean that threads are part of the programming l...
Why not inherit from List?
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But that's a lot of code! What do I get for all that work?
You spent more time typing up your question that it would have taken you to write forwarding methods for the relevant members of List<T> fifty times over. You're clearly not afraid of verbosity, and we are talking about a very sm...
Why is Lisp used for AI? [closed]
...ave yet to find AI examples or anything in the language that would make it more inclined towards it.
10 Answers
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How to output only captured groups with sed?
...p'
This says:
don't default to printing each line (-n)
exclude zero or more non-digits
include one or more digits
exclude one or more non-digits
include one or more digits
exclude zero or more non-digits
print the substitution (p)
In general, in sed you capture groups using parentheses and out...