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How to: Define theme (style) item for custom widget
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What is the difference between map and flatMap and a good use case for each?
... into a single RDD of results.
rdd.flatMap(_.split(" ")).collect
res2: Array[String] = Array("Roses", "are", "red", "Violets", "are", "blue")
We have multiple words per line, and multiple lines, but we end up with a single output array of words
Just to illustrate that, flatMapping from a c...
What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]
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294
This is the ternary conditional operator, which can be used anywhere, not just the print state...
Overloading member access operators ->, .*
... client *operator->() const
{ return target; }
};
struct proxy2 {
proxy *target;
proxy &operator->() const
{ return * target; }
};
void f() {
client x = { 3 };
proxy y = { & x };
proxy2 z = { & y };
std::cout << x.a << y->a...
Counting Chars in EditText Changed Listener
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142
Use
s.length()
The following was once suggested in one of the answers, but its very inefficie...
How to search in array of object in mongodb
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edited Jun 9 '17 at 15:24
ChrisV
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answered Dec...
In C#, can a class inherit from another class and an interface?
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249
Yes. Try:
class USBDevice : GenericDevice, IOurDevice
Note: The base class should come befo...
Using IoC for Unit Testing
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edited Feb 14 '14 at 7:32
answered Sep 23 '09 at 13:09
Ma...
Replace duplicate spaces with a single space in T-SQL
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329
Even tidier:
select string = replace(replace(replace(' select single spaces',' ','<...
Is it possible to hide extension resources in the Chrome web inspector network tab?
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274
Not quite the solution I was after (I'd have preferred a global setting), but there is now a w...