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Least common multiple for 3 or more numbers
...ntegral a => [a] -> a
lcm (n:ns) = foldr lcm' n ns
I even took the time to write my own gcd function, only to find it in Prelude! Lots of learning for me today :D
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Cleanest way to get last item from Python iterator
...re's a design error in all iterators of all builtin container types? First time I've heard of it :)
– Thomas Wouters
Jan 26 '10 at 20:55
7
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New line in text area
...nly thing that worked for me in adding new line programatically during run time. +1 on that.
– Ronen Rabinovici
Sep 18 '15 at 5:20
3
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Why should casting be avoided? [closed]
... casts also vary in whether they're something that happens only at compile time (i.e., you're just telling the compiler how to interpret/treat some data) or something that happens at run time (e.g., an actual conversion from double to long).
C++ attempts to deal with that to at least some extent by...
Android search with Fragments
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Next time you might want to cite your sources.
– Adrian Monk
May 7 '12 at 14:40
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How can I debug a .BAT script?
...'m now convinced it can help in quite some cases
On the other hand, it sometimes blocks and I had to kill it... specially when debugging subscripts (not always systematically).. it doesn't show a "call stack" nor a "step out" button.
It deverves a try.
...
What's the difference between passing by reference vs. passing by value?
...n 1975, Barbara Liskov suggested the term "call-by-object-sharing" (or sometimes just "call-by-sharing") though it never quite caught on. Moreover, neither of these phrases draws a parallel with the original pair. No wonder the old terms ended up being reused in the absense of anything better, leadi...
What are the differences between ArrayList and Vector?
...ctural modification.
Collections.synchronizedList is normally used at the time of creation of the list to avoid any accidental unsynchronized access to the list.
Reference
Data growth
Internally, both the ArrayList and Vector hold onto their contents using an Array. When an element is inserted i...
Getting “Lock wait timeout exceeded; try restarting transaction” even though I'm not using a transac
...pdating every record in the table!) for too long, and your thread is being timed out.
You can see more details of the event by issuing a
SHOW ENGINE INNODB STATUS
after the event (in sql editor). Ideally do this on a quiet test-machine.
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Why are there two kinds of functions in Elixir?
...def hello(y) do
x + y
end
This code will fail to compile because every time you see a def, you get an empty variable scope. That is an important difference between them. I particularly like the fact that each named function starts with a clean slate and you don't get the variables of different s...