Recent questions tagged built

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built in - How do I use Perl's localtime with print to get the timestamp?

I have used the following statements to get the current time. print "$query executed successfully at ",localtime ... also giving number output. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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built in - Freestanding GCC and builtin functions

The GCC docs at http://gcc.gnu.org/onlinedocs/gcc/C-Dialect-Options.html say (under -ffreestanding) ... with a freestanding environment? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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built in function for computing overlap in Python

is there a built in function to compute the overlap between two discrete intervals, e.g. the overlap between [10, 15 ... 20], the overlap is 5. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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built in - How to use the read command in Bash?

When I try to use the read command in Bash like this: echo hello | read str echo $str Nothing echoed, ... help me understand this behavior? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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built in - Why is 'dir()' named 'dir' in python?

In Python there is a built-in function called dir. This is used to get a list of all the attributes ... getting the attributes from an object? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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built in - What does shift() do in Perl?

What could the following line possibly mean? my $x = shift; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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