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Explain the use of a bit vector for determining if all characters are unique
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103
int checker is used here as a storage for bits. Every bit in integer value can be treated as a ...
How do I convert a string to a double in Python?
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>>> x = "2342.34"
>>> float(x)
2342.3400000000001
There you go. Use float (which behaves like and has the same precision as a C,C++, or Java double).
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How do I set a column value to NULL in SQL Server Management Studio?
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edited May 23 '17 at 10:31
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answered Jan 14 '09 at 21:05
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How to empty a redis database?
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edited Oct 20 '14 at 6:45
answered Apr 22 '11 at 13:59
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What's the best way to get the last element of an array without deleting it?
... share my findings with you, benchmarked against PHP versions 5.6.38, 7.2.10 and 7.3.0RC1 (expected Dec 13 2018).
The options (<<option code>>s) I will test are:
option .1. $x = array_values(array_slice($array, -1))[0]; (as suggested by rolacja)
option .2. $x = array_slice($array, -1)...
JavaScript function to add X months to a date
...getMonth() + +months);
if (date.getDate() != d) {
date.setDate(0);
}
return date;
}
// Add 12 months to 29 Feb 2016 -> 28 Feb 2017
console.log(addMonths(new Date(2016,1,29),12).toString());
// Subtract 1 month from 1 Jan 2017 -> 1 Dec 2016
console.log(addMonths(n...
Does a break statement break from a switch/select?
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201
Break statements, The Go Programming Language Specification.
A "break" statement termin...
Insert image after each list item
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330
The easier way to do it is just:
ul li:after {
content: url('../images/small_triangle.png')...
Addressing localhost from a VirtualBox virtual machine [closed]
...have a local test/development server (HTTP, of course), listening to port 8000.
22 Answers
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Remove first 4 characters of a string with PHP
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edited Nov 26 '10 at 15:23
answered Nov 26 '10 at 15:16
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