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Java: How to test methods that call System.exit()?
... void CallsExit(ExitManager exitManager) {
// whatever
if (foo) {
exitManager.exit(42);
}
// whatever
}
}
The production code uses the ExitManagerImpl and the test code uses ExitManagerMock and can check if exit() was called and with which exit code....
Git diff output to file preserve coloring
...
Try:
git diff --color > foo.txt
Then later issue:
cat foo.txt
Or:
less -R foo.txt
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Replace whole line containing a string using Sed
...:
sed -i '/TEXT_TO_BE_REPLACED/c\This line is removed by the admin.' /tmp/foo
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Difference between abstraction and encapsulation?
...rmation hiding.
Abstraction:-- Implementation hiding.
Example:
class foo{
private:
int a, b;
public:
foo(int x=0, int y=0): a(x), b(y) {}
int add(){
return a+b;
}
}
Internal representation of any object of foo class is hidden out...
Non-alphanumeric list order from os.listdir()
... Works perfectly fine. print( sorted_aphanumeric(["1", "10", "2", "foo_10", "foo_8"]) ) -> ['1', '2', '10', 'foo_8', 'foo_10']. Exactly as expected.
– user136036
Jan 20 at 13:04
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How does Stack Overflow generate its SEO-friendly URLs?
What is a good complete regular expression or some other process that would take the title:
21 Answers
...
How to strip all whitespace from string
...tage of str.split's behavior with no sep parameter:
>>> s = " \t foo \n bar "
>>> "".join(s.split())
'foobar'
If you just want to remove spaces instead of all whitespace:
>>> s.replace(" ", "")
'\tfoo\nbar'
Premature optimization
Even though efficiency isn't the pri...
Converting a Java collection into a Scala collection
Related to Stack Overflow question Scala equivalent of new HashSet(Collection) , how do I convert a Java collection ( java.util.List say) into a Scala collection List ?
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How to check if an object is a certain type
...erface, etc. For example, Bar is a TypeName in Public Class Bar, or in Dim Foo as Bar. TypeNames could be seen as "labels" used in the code to tell the compiler which type definition to look for in a dictionary where all available types would be described.
There are System.Type objects which contain...
How to pass parameters to a modal?
...age <b>{{userName}}</b>?
</div>
<div class="modal-footer">
<button class="btn btn-info"
ng-click="encourage('${createLink(uri: '/encourage/')}',{{userName}})">
Confirm
</button>
<button class="btn" data-dismiss="modal" aria-hidden="t...