... 293 ++x is called preincrement while x++ is called postincrement. int x = 5, y = 5; System.out....

... 295 Different. foreach iterates over a list and applies some operation with side effects to each ...

So I already went through various posts on adding 2nd view for adding shadow, but I still cannot get it to work if I want to add it in UICollectionViewCell . I subclassed UICollectionViewCell , and here is my code where I add various UI elements to the cell's content view and adding shadow to the ...

... >>> d = { 'a': 1, 'b': 2, 'c': 3 } >>> d.items() [('a', 1), ('c', 3), ('b', 2)] >>> [(v, k) for k, v in d.iteritems()] [(1, 'a'), (3, 'c'), (2, 'b')] It's not in the order you want, but dicts don't have any specific order anyway...

... Since Python 2.6, a good practice is to use io.open(), which also takes an encoding argument, like the now obsolete codecs.open(). In Python 3, io.open is an alias for the open() built-in. So io.open() works in Python 2.6 and all later ve...

I am simply trying to see the H2 database content for an embedded H2 database which spring-boot creates when I don't specify anything in my application.properties and start with mvn spring:run. I can see hibernate JPA creating the tables but if I try to access the h2 console at the URL below the dat...

... Quaternion q; vector a = crossproduct(v1, v2); q.xyz = a; q.w = sqrt((v1.Length ^ 2) * (v2.Length ^ 2)) + dotproduct(v1, v2); Don't forget to normalize q. Richard is right about there not being a unique rotation, but the above should give the "shortest arc," which ...

...an I select count(*) from two different tables (call them tab1 and tab2 ) having as result: 18 Answers ...

... | edited Mar 7 '19 at 22:59 Justin M. Keyes 5,57011 gold badge2727 silver badges5656 bronze badges a...

... 72 The difference is: The + operator takes the union of the two arrays, whereas the array_merge fu...