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Use of “this” keyword in formal parameters for static methods in C#
...ing" support popular within dynamic languages
today with the performance and compile-time validation of
strongly-typed languages.
Extension Methods enable a variety of useful scenarios, and help make
possible the really powerful LINQ query framework... .
it means that you can call
MyC...
Count number of days between two dates
... dates.
The one that comes closest is by thatdankent. A full answer would convert to_i and then divide:
(Time.now.to_i - 23.hours.ago.to_i) / 86400
>> 0
(Time.now.to_i - 25.hours.ago.to_i) / 86400
>> 1
(Time.now.to_i - 1.day.ago.to_i) / 86400
>> 1
In the question's specific e...
Is there a use-case for singletons with database access in PHP?
...ou had used a singleton. A singleton is an iffy pattern in itself, but it converts fairly easily to an intelligent factory pattern--can even be converted to use dependency injection without too much trouble. For instance, if your singleton is gotten through getInstance(), you can pretty easily cha...
In Java, how do I call a base class's method from the overriding method in a derived class?
...
This doesn't show any java reflection in the code and is the same code as the others. Is there more to the answer?
– Nelda.techspiress
Aug 9 '17 at 17:09
...
Extract every nth element of a vector
...eyond the seq solution already mentioned) is to use a short logical vector and use vector recycling:
foo[ c( rep(FALSE, 5), TRUE ) ]
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How to correctly sort a string with a number inside? [duplicate]
I have a list of strings containing numbers and I cannot find a good way to sort them.
For example I get something like this:
...
Remove background drawable programmatically in Android
... In case that doesn't work: check if you've used the background property and not android:src!
– Chris Conway
Oct 16 '12 at 23:00
3
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Java split string to array [duplicate]
... as if by invoking the two-argument split method with the given expression and a limit argument of zero. Trailing empty strings are therefore not included in the resulting array.
If you want those trailing empty strings included, you need to use String.split(String regex, int limit) with a negativ...
What is this smiley-with-beard expression: “”?
...r 1 '13 at 0:56
R. Martinho FernandesR. Martinho Fernandes
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Verify if a point is Land or Water in Google Maps
..and then Google-maps "divide the waters from the waters"
18 Answers
18
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