大约有 45,000 项符合查询结果（耗时：0.0613秒） [XML]
On Duplicate Key Update same as insert
...
Alternatively, you can use:
INSERT INTO table (id,a,b,c,d,e,f,g)
VALUES (1,2,3,4,5,6,7,8)
ON DUPLICATE KEY
UPDATE a=a, b=b, c=c, d=d, e=e, f=f, g=g;
To get the id from LAST_INSERT_ID; you need to specify the backend app you're using for the same.
For LuaSQL, a conn:getlastautoid() fetches ...
Is there any particular difference between intval and casting to int - `(int) X`?
...
193
intval() can be passed a base from which to convert. (int) cannot.
int intval( mixed $var [,...
Trying to embed newline in a variable in bash [duplicate]
...
176
Summary
Inserting \n
p="${var1}\n${var2}"
echo -e "${p}"
Inserting a new line in the sourc...
jQuery: Get selected element tag name
...
1048
You can call .prop("tagName"). Examples:
jQuery("<a>").prop("tagName"); //==> "A"
j...
How to zero pad a sequence of integers in bash so that all have the same width?
...
13 Answers
13
Active
...
Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
...
173
There's no big advantage for those cases where an assertFoo exists that exactly matches your i...
Conversion of a datetime2 data type to a datetime data type results out-of-range value
...
61
What kind of dates do you have in the column?
Do all of them fit within the range of the type?
...
How do I read the first line of a file using cat?
...
10 Answers
10
Active
...
Find duplicate lines in a file and count how many time each line was duplicated?
...
811
Assuming there is one number per line:
sort <file> | uniq -c
You can use the more verb...