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Using Mockito with multiple calls to the same method with the same arguments
...ed me a lot because doAnswer()/thenAnswer() do not allow chaining multiple calls as doReturn()/thenReturn() do and I needed to compute something and not just return a different value. Creating an anonymous Answer object with a private count variable was what did the trick for me.
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When to use inline function and when not to use it?
...hat inline is a hint or request to compiler and its used to avoid function call overheads.
14 Answers
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What is an application binary interface (ABI)?
... but the API does not, then the old and new library versions are sometimes called "source compatible". This implies that while a program compiled for one library version will not work with the other, source code written for one will work for the other if re-compiled.
For this reason, developers te...
How to avoid the need to specify the WSDL location in a CXF or JAX-WS generated webservice client?
... out the right answer to this question today.
<plugin>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-codegen-plugin</artifactId>
<version>${cxf.version}</version>
<executions>
<execution>
<id>generat...
Scala 2.8 breakOut
...ts is done through a builder (scala.collection.mutable.Builder), which basically supports two operations: appending elements, and returning the resulting collection. The type of this resulting collection will depend on the type of the builder. Thus, a List builder will return a List, a Map builder w...
Why use the params keyword?
...
With params you can call your method like this:
addTwoEach(1, 2, 3, 4, 5);
Without params, you can’t.
Additionally, you can call the method with an array as a parameter in both cases:
addTwoEach(new int[] { 1, 2, 3, 4, 5 });
That is, pa...
How do I append one string to another in Python?
...sed to be O(n^2), but now it is O(n).
From the source (bytesobject.c):
void
PyBytes_ConcatAndDel(register PyObject **pv, register PyObject *w)
{
PyBytes_Concat(pv, w);
Py_XDECREF(w);
}
/* The following function breaks the notion that strings are immutable:
it changes the size of a str...
encryption/decryption with multiple keys
...GP clients in general usually encrypt the actual data with a symmetric key called a "session key". The session key is then encrypted with each "recipient key" (i.e. the ones you specify with -r/--recipient). This is sometimes referred to as a hybrid cipher. Right now, I believe GnuPG by default u...
When is a C++ destructor called?
Basic Question: when does a program call a class' destructor method in C++? I have been told that it is called whenever an object goes out of scope or is subjected to a delete
...
Does name length impact performance in Redis?
...e operation than using a longer key.
Redis comes with a benchmark utility called redis-benchmark, if you modify the "GET" test in src/redis-benchmark.c so that they key is just "foo", you can run the short key test after a make install:
diff --git a/src/redis-benchmark.c b/src/redis-benchmark.c
--...