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How do I know if a generator is empty from the start?
Is there a simple way of testing if the generator has no items, like peek , hasNext , isEmpty , something along those lines?
...
How do I assign a port mapping to an existing Docker container?
...rdings, I always follow these steps,
stop running container
docker stop test01
commit the container
docker commit test01 test02
NOTE: The above, test02 is a new image that I'm constructing from the test01 container.
re-run from the commited image
docker run -p 8080:8080 -td test02
Where t...
JUnit 4 compare Sets
...to one another, which invokes the Set equals() method.
public class SimpleTest {
private Set<String> setA;
private Set<String> setB;
@Before
public void setUp() {
setA = new HashSet<String>();
setA.add("Testing...");
setB = new HashSet<...
Remove the last character in a string in T-SQL?
...
e.g.
DECLARE @String VARCHAR(100)
SET @String = 'TEST STRING'
-- Chop off the end character
SET @String =
CASE @String WHEN null THEN null
ELSE (
CASE LEN(@String) WHEN 0 THEN @String
ELSE LEFT(@String, LEN(@String) - 1)
END
...
Unit Testing: DateTime.Now
I have some unit tests that expects the 'current time' to be different than DateTime.Now and I don't want to change the computer's time, obviously.
...
Can I get “&&” or “-and” to work in PowerShell?
...execute command 2". I have used it for things like:
build && run_tests
In PowerShell, the closest thing you can do is:
(build) -and (run_tests)
It has the same logic, but the output text from the commands is lost. Maybe it is good enough for you, though.
If you're doing this in a sc...
How to output something in PowerShell
... outputting something is PowerShell is a thing of beauty - and one its greatest strengths. For example, the common Hello, World! application is reduced to a single line:
"Hello, World!"
It creates a string object, assigns the aforementioned value, and being the last item on the command pipeline i...
How do I use reflection to invoke a private method?
...rivate set; }
void incr(int value) { count += value; }
}
[Test]
public void making_questionable_life_choices()
{
Counter c = new Counter ();
c.call ("incr", 2); // "incr" is private !
c.call ("incr", 3);
Assert.AreEqual (5, c.count...
How do I make a simple makefile for gcc on Linux?
...
The simplest make file can be
all : test
test : test.o
gcc -o test test.o
test.o : test.c
gcc -c test.c
clean :
rm test *.o
share
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How to use timeit module
...nd then make repeated calls to a series of statements. So, if you want to test sorting, some care is required so that one pass at an in-place sort doesn't affect the next pass with already sorted data (that, of course, would make the Timsort really shine because it performs best when the data alrea...