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How is this fibonacci-function memoized?
...is asked for again. If we define some list, xs=[0..] and later ask for its 100th element, xs!!99, the 100th slot in the list gets "fleshed out", holding the number 99 now, ready for next access.
That is what that trick, "going-through-a-list", is exploiting. In normal doubly-recursve Fibonacci def...
How to split csv whose columns may contain ,
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Use the Microsoft.VisualBasic.FileIO.TextFieldParser class. This will handle parsing a delimit...
Printing 1 to 1000 without loop or conditionals
Task : Print numbers from 1 to 1000 without using any loop or conditional statements. Don't just write the printf() or cout statement 1000 times.
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How to ignore HTML element from tabindex?
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You can use tabindex="-1".
The W3C HTML5 specification supports negative tabindex values:
If the value is a negative integer
The user agent must set the element's tabindex focus flag, but should not allow the element to be reached using sequ...
Java 8 stream reverse order
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For the specific question of generating a reverse IntStream, try something like this:
static In...
jQuery: count number of rows in a table
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How to validate an email address in PHP
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comparing 2 strings alphabetically for sorting purposes
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Lets look at some test cases - try running the following expressions in your JS console:
"a" ...