大约有 47,000 项符合查询结果（耗时：0.0520秒） [XML]
IE7 does not understand display: inline-block
... |
edited Aug 22 '12 at 8:49
answered Jul 1 '11 at 7:42
k...
How to get multiple counts with one SQL query?
...01
Chad
6831010 silver badges2626 bronze badges
answered Oct 8 '12 at 21:07
Taryn♦Taryn
...
Access object child properties using a dot notation string [duplicate]
...
answered Nov 8 '11 at 14:39
Andy EAndy E
300k7575 gold badges456456 silver badges436436 bronze badges
...
Fetch first element which matches criteria
...
|
edited Apr 8 '14 at 15:22
answered Apr 8 '14 at 14:45
...
Ruby: How to get the first character of a string
...ial # prints S
The other method mentioned here doesn't work on Ruby 1.8 (not that you should be using 1.8 anymore anyway!--but when this answer was posted it was still quite common):
puts 'Smith'[0] # prints 83
Of course, if you're not doing it on a regular basis, then defining the...
Create a variable name with “paste” in R?
...
answered Apr 1 '11 at 8:54
lecodesportiflecodesportif
8,95288 gold badges3030 silver badges5252 bronze badges
...
How to get unique values in an array
...);
}
}
return arr;
}
var duplicates = [1, 3, 4, 2, 1, 2, 3, 8];
var uniques = duplicates.unique(); // result = [1,3,4,2,8]
console.log(uniques);
For more reliability, you can replace contains with MDN's indexOf shim and check if each element's indexOf is equal to -1: docume...
What is PEP8's E128: continuation line under-indented for visual indent?
...ust opened a file with Sublime Text (with Sublime Linter) and noticed a PEP8 formatting error that I'd never seen before. Here's the text:
...
What is the difference between square brackets and parentheses in a regex?
...
These regexes are equivalent (for matching purposes):
/^(7|8|9)\d{9}$/
/^[789]\d{9}$/
/^[7-9]\d{9}$/
The explanation:
(a|b|c) is a regex "OR" and means "a or b or c", although the presence of brackets, necessary for the OR, also captures the digit. To be strictly equivalent, you...