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What is tail recursion?
...function that adds the first N natural numbers. (e.g. sum(5) = 1 + 2 + 3 + 4 + 5 = 15).
Here is a simple JavaScript implementation that uses recursion:
function recsum(x) {
if (x === 1) {
return x;
} else {
return x + recsum(x - 1);
}
}
If you called recsum(5), this i...
Best way to make Java's modulus behave like it should with negative numbers?
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144
It behaves as it should a % b = a - a / b * b; i.e. it's the remainder.
You can do (a % b + b)...
List of zeros in python [duplicate]
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476
#add code here to figure out the number of 0's you need, naming the variable n.
listofzeros = ...
What is the fastest factorial function in JavaScript? [closed]
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49 Answers
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Best way to repeat a character in C#
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answered Jan 4 '09 at 22:00
Christian C. SalvadóChristian C. Salvadó
688k171171 gold badges886886 silver badges826826 bronze badges
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Read lines from a file into a Bash array [duplicate]
... all those warnings in mind I'm still leaving this answer here (yes, bash 4 has been out for many years but I recall that some macs only 2/3 years old have pre-4 as default shell)
Other notes:
Can also follow drizzt's suggestion below and replace a forked subshell+cat with
$(</etc/passwd)
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Difference between >>> and >>
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421
>> is arithmetic shift right, >>> is logical shift right.
In an arithmetic shi...
What is difference between functional and imperative programming languages?
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edited Aug 22 '17 at 12:42
Chris
1,41322 gold badges1616 silver badges3333 bronze badges
answered Jul ...
What is the argument for printf that formats a long?
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647
Put an l (lowercased letter L) directly before the specifier.
unsigned long n;
long m;
prin...
How to access property of anonymous type in C#?
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64
If you want a strongly typed list of anonymous types, you'll need to make the list an anonymous ...