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Difference between String#equals and String#contentEquals methods
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So, is it like the operators == (contentEquals) and === (equals) in javascript?
– anestv
Dec 23 '13 at 19:04
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In JPA 2, using a CriteriaQuery, how to count results
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A query of type MyEntity is going to return MyEntity. You want a query for a Long.
CriteriaBuilder qb = entityManager.getCriteriaBuilder();
CriteriaQuery<Long> cq = qb.createQuery(Long.class);
cq.select(qb.count(cq.from(MyEntity.class)));
cq.where(/*your stuff*/);
return entityManager.crea...
Why is (object)0 == (object)0 different from ((object)0).Equals((object)0)?
...t methods.
The == case will bind to the static reference equality operator. There are 2 independent boxed int values created hence they are not the same reference.
In the second case you bind to the instance method Object.Equals. This is a virtual method which will filter down to Int32.Equals ...
How to start working with GTest and CMake
I have recently been sold on using CMake for compiling my C++ projects, and would now like to start writing some unit tests for my code. I have decided to use the Google Test utility to help with this, but require some help in getting started.
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Add only non-whitespace changes
I have my text editor to automatically trim trailing whitespace upon saving a file, and I am contributing to an open source project that has severe problems with trailing whitespace.
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Can Python test the membership of multiple values in a list?
I want to test if two or more values have membership on a list, but I'm getting an unexpected result:
10 Answers
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How to store date/time and timestamps in UTC time zone with JPA and Hibernate
How can I configure JPA/Hibernate to store a date/time in the database as UTC (GMT) time zone? Consider this annotated JPA entity:
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How to check that an element is in a std::set?
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The typical way to check for existence in many STL containers such as std::map, std::set, ... is:
const bool is_in = container.find(element) != container.end();
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Can you force Visual Studio to always run as an Administrator in Windows 8?
...ograms compatibility settings and check off to always run as an Administrator. Is there a similar option in Windows 8?
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Immutable vs Unmodifiable collection
From the Collections Framework Overview :
8 Answers
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