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'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?
...can contain arbitrary unlike elements. Things that can be combined bitwise include: Trues and Falses, integers.
NumPy objects, by contrast, support vectorized calculations. That is, they let you perform the same operations on multiple pieces of data.
Example 3 fails because NumPy arrays (of length...
Function to calculate distance between two coordinates
...e or Bing being the most popular) to get the appropriate route, which will include the distance.
Incidentally, the Google Maps API provides a packaged method for spherical distance, in its google.maps.geometry.spherical namespace (look for computeDistanceBetween). It's probably better than rolling...
Why does ContentResolver.requestSync not trigger a sync?
...ss that was called out in the name element of the <service> tag that includes the <meta-data> tag that references this file...) will sync contacts using a com.google style account.
All your contentAuthority strings have to all match, and match with what you're syncing -- This should be...
How do you represent a graph in Haskell?
...ecause values can be shared any ADT that can contain a member of the type (including lists and trees) is really a DAG (Directed Acyclic Graph). The fundamental issue is that if you have values A and B, with A containing B and B containing A, then neither can be created before the other exists. Becau...
Combine multiple Collections into a single logical Collection?
... Sean Patrick Floyd's answer.
If you're stuck at Java 7 and don't want to include Google Guava, you can write your own (read-only) Iterables.concat() using no more than Iterable and Iterator:
Constant number
public static <E> Iterable<E> concat(final Iterable<? extends E> iterab...
Advantages of stateless programming?
...n the functional programming train. There are also lots of other benefits, including simplified debugging (i.e. functions are pure and do not mutate state in other parts of an application), more terse and expressive code, less boilerplate code compared to languages which are heavily dependent on des...
Why is a combiner needed for reduce method that converts type in java 8
...
@Zordid the Streams API doesn't include an option to reduce type T to a U without passing a combiner.
– Eran
Aug 28 '18 at 16:06
...
Why doesn't Java support unsigned ints?
Why doesn't Java include support for unsigned integers?
16 Answers
16
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System.currentTimeMillis vs System.nanoTime
...o, thanks for the information. If you don't mind, I edited your answer to include a quote from the docs and fixed up the links
– mmcdole
Dec 9 '08 at 2:28
136
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Understand the “Decorator Pattern” with a real world example
...ent it as you wish. Also, you don't need to have think of dependency while including this fundamental unit.
Here is the interface class -
class IclearData
{
public:
virtual std::string getData() = 0;
virtual ~IclearData() = 0;
};
IclearData::~IclearData()
{
std::cout<<"Destruc...