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How to find the sum of an array of numbers
Given an array [1, 2, 3, 4] , how can I find the sum of its elements? (In this case, the sum would be 10 .)
43 Answers
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How to list the size of each file and directory and sort by descending size in Bash?
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Ruby, remove last N characters from a string?
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List of ANSI color escape sequences
...e'll discuss many other options below) in C you might write:
printf("\033[31;1;4mHello\033[0m");
In C++ you'd use
std::cout<<"\033[31;1;4mHello\033[0m";
In Python3 you'd use
print("\033[31;1;4mHello\033[0m")
and in Bash you'd use
echo -e "\033[31;1;4mHello\033[0m"
where the first part make...
Repeat Character N Times
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These days, the repeat string method is implemented almost everywhere. (It is not in Internet...
O(nlogn) Algorithm - Find three evenly spaced ones within binary string
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sys.argv[1] meaning in script
... (In reference to my example below) in simplified terms what the sys.argv[1] represents. Is it simply asking for an input?
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What is the role of the bias in neural networks? [closed]
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How to delete duplicate lines in a file without sorting it in Unix?
...e expression evaluates to true. The ++ increments seen so that seen[$0] == 1 after the first time a line is found and then seen[$0] == 2, and so on.
Awk evaluates everything but 0 and "" (empty string) to true. If a duplicate line is placed in seen then !seen[$0] will evaluate to false and the line ...
How do you round to 1 decimal place in Javascript?
Can you round a number in javascript to 1 character after the decimal point (properly rounded)?
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