大约有 45,000 项符合查询结果（耗时：0.0721秒） [XML]
Are PostgreSQL column names case-sensitive?
...
|
edited Oct 10 '19 at 14:32
answered Jan 2 '14 at 9:53
...
How to add target=“_blank” to JavaScript window.location?
...
|
edited Aug 12 '19 at 12:18
Yuri
3,12811 gold badge1818 silver badges3636 bronze badges
an...
Select rows of a matrix that meet a condition
...
162
This is easier to do if you convert your matrix to a data frame using as.data.frame(). In tha...
Why can I create a class named “var”?
...
101
var is not a keyword according to this list.
it is a contextual keyword, so from the context ...
How to get multiple select box values using jQuery?
...
188
jQuery .val()
var foo = $('#multiple').val();
...
Is it possible to start a shell session in a running container (without ssh)
...
15 Answers
15
Active
...
OrderBy descending in Lambda expression?
...
|
edited Jul 19 '11 at 19:01
answered Oct 28 '09 at 6:34
...
MySQL - length() vs char_length()
...r example:
select length(_utf8 '€'), char_length(_utf8 '€')
--> 3, 1
As you can see the Euro sign occupies 3 bytes (it's encoded as 0xE282AC in UTF-8) even though it's only one character.
share
|
...
How to check if a given directory exists in Ruby
...
|
edited Aug 12 '17 at 2:51
Totor
73755 silver badges1717 bronze badges
answered Jul 6 '09 ...
Difference between single and double quotes in Bash
...
614
Single quotes won't interpolate anything, but double quotes will. For example: variables, backt...