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What's the actual use of 'fail' in JUnit test case?
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Some cases where I have found it useful:
mark a test that is incomplete, so it fails and warns you until you can finish it
making sure an exception is thrown:
try{
// do stuff...
fail("Exception not thrown");
}catch(Exception e){
assertTrue(e.hasSomeFlag());
}
Note:
Since JU...
Why is “int i = 2147483647 + 1;” OK, but “byte b = 127 + 1;” is not compilable?
Why is int i = 2147483647 + 1; OK, but byte b = 127 + 1; is not compilable?
4 Answers
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Command to get time in milliseconds
Is there a shell command in Linux to get the time in milliseconds?
12 Answers
12
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What is a NullPointerException, and how do I fix it?
... the object you get a NullPointerException. In the most trivial cases, the compiler will catch the problem and let you know that "num may not have been initialized," but sometimes you may write code that does not directly create the object.
For instance, you may have a method as follows:
public void...
How can I delete all of my Git stashes at once?
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The following command deletes all your stashes:
git stash clear
From the git documentation:
clear
Remove all the stashed states.
IMPORTANT WARNING: Those states will then be subject to pruning, and may be impossible to recover (...).
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How to pip or easy_install tkinter on Windows
...at you use a version of Python supporting Tk 8.5 or greater, and ttk. We recommend installing the "ActivePython" distribution from ActiveState, which includes everything you'll need.
In your web browser, go to Activestate.com, and follow along the links to download the Community Edition of ActivePy...
Ordering by the order of values in a SQL IN() clause
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Find the PID of a process that uses a port on Windows
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Just open a command shell and type (saying your port is 123456):
netstat -a -n -o | find "123456"
You will see everything you need.
The headers are:
Proto Local Address Foreign Address State PID
TCP 0...
How to list containers in Docker
There's a command to list images, docker images , but there doesn't seem to be a corresponding docker containers .
14 Ans...