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Use of Initializers vs Constructors in Java
....
Constructors are not inherited, though. (They only call super() [i.e. no parameters] implicitly or you have to make a specific super(...) call manually.)
This means it is possible that a implicit or exclicit super(...) call might not initialize the subclass as intended by the parent class.
Consi...
Return all enumerables with yield return at once; without looping through
...ossible to do things like...
public IEnumerable<string> ConcatLists(params IEnumerable<string>[] lists)
{
foreach (IEnumerable<string> list in lists)
{
foreach (string s in list)
{
yield return s;
}
}
}
...
Javadoc link to method in other class
...hat Javadoc doesn't already turn into a link, e.g. in the description for @param, in the description for @return, in the main part of the description, etc.
– rgettman
Jul 5 '13 at 20:21
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Tablet or Phone - Android
... on this post.
/**
* Checks if the device is a tablet or a phone
*
* @param activityContext
* The Activity Context.
* @return Returns true if the device is a Tablet
*/
public static boolean isTabletDevice(Context activityContext) {
// Verifies if the Generalized Size of the de...
Difference in Months between two dates in JavaScript
...e of 3 months. You can prevent this by setting the roundUpFractionalMonths param as true, so a 3 month and 1 day difference will be returned as 4 months.
The accepted answer above (T.J. Crowder's answer) isn't accurate, it returns wrong values sometimes.
For example, monthDiff(new Date('Jul 01, 20...
Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
...s more mature and better supported now than it was in 2013, when this question was asked. Avoid drawing conclusions from out-of-date information.
PyPy, as others have been quick to mention, has tenuous support for C extensions. It has support, but typically at slower-than-Python speeds and it's...
Why shouldn't Java enum literals be able to have generic type parameters?
... the argument type is erased.
public <T> T getValue(MyEnum<T> param);
public T convert(Object);
To realise those methods you could however construct your enum as:
public enum MyEnum {
LITERAL1(String.class),
LITERAL2(Integer.class),
LITERAL3(Object.class);
private Cl...
Plot a legend outside of the plotting area in base graphics?
...par(new=T) on several other occasions and simply wanted to add the the xpd param in the same call, which causes trouble.
– Matt Bannert
Jul 25 '16 at 9:11
add a comment
...
Changing names of parameterized tests
Is there a way to set my own custom test case names when using parameterized tests in JUnit4?
12 Answers
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scopes with lambda and arguments in Rails 4 style?
....9, the short lambda syntax does not allow a space between the arrow and a parameter (scope :find_lazy, ->(param)). In Ruby 2+, the space is allowed. More info here...
– furman87
Aug 22 '15 at 19:07
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