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How to mock void methods with Mockito
... looking at mocking the setter setState(String s) in the class World below is the code uses doAnswer method to mock the setState.
World mockWorld = mock(World.class);
doAnswer(new Answer<Void>() {
public Void answer(InvocationOnMock invocation) {
Object[] args = invocation.getArgume...
Why do you have to link the math library in C?
...io.h have implementations in libc.so (or libc.a for static linking), which is linked into your executable by default (as if -lc were specified). GCC can be instructed to avoid this automatic link with the -nostdlib or -nodefaultlibs options.
The math functions in math.h have implementations in lib...
Class with Object as a parameter
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In Python2 this declares Table to be a new-style class (as opposed to "classic" class).
In Python3 all classes are new-style classes, so this is no longer necessary.
New style classes have a few special attributes that classic classes la...
What is the difference D3 datum vs. data?
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edited May 23 '17 at 12:18
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111 silver...
Remove duplicate rows in MySQL
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A really easy way to do this is to add a UNIQUE index on the 3 columns. When you write the ALTER statement, include the IGNORE keyword. Like so:
ALTER IGNORE TABLE jobs
ADD UNIQUE INDEX idx_name (site_id, title, company);
This will drop all the d...
LINQ: When to use SingleOrDefault vs. FirstOrDefault() with filtering criteria
... result in at most a single result. On the other hand, when FirstOrDefault is used, the query can return any amount of results but you state that you only want the first one.
I personally find the semantics very different and using the appropriate one, depending on the expected results, improves re...
Unix shell script find out which directory the script file resides?
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In Bash, you should get what you need like this:
#!/usr/bin/env bash
BASEDIR=$(dirname "$0")
echo "$BASEDIR"
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Get the IP address of the machine
This Question is almost the same as the previously asked Get the IP Address of local computer -Question. However I need to find the IP address(es) of a Linux Machine .
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Is it true that one should not use NSLog() on production code?
I was told this a few times in this very site, but I wanted to make sure this is really the case.
12 Answers
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jQuery autocomplete tagging plug-in like StackOverflow's input tags? [closed]
What solutions accomplish the same auto-completion that SO uses for entering tags?
6 Answers
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