大约有 43,200 项符合查询结果（耗时：0.0553秒） [XML]
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 $var [,...
Capistrano - clean up old releases
...t's intended purpose? Is there another way to cleanup old releases to just 1 previous deploy?
4 Answers
...
Drop unused factor levels in a subsetted data frame
...
14 Answers
14
Active
...
Initialising an array of fixed size in python [duplicate]
...
11 Answers
11
Active
...
Trying to embed newline in a variable in bash [duplicate]
...
176
Summary
Inserting \n
p="${var1}\n${var2}"
echo -e "${p}"
Inserting a new line in the sourc...
Using getopts to process long and short command line options
...
1
2
Next
310
...
Alias with variable in bash [duplicate]
...
183
I'd create a function for that, rather than alias, and then exported it, like this:
function ...
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 ...
How to update the value stored in Dictionary in C#?
...
|
edited Nov 28 '12 at 11:12
IT ppl
2,43811 gold badge3535 silver badges5252 bronze badges
answ...
how to provide a swap function for my class?
...amp; lhs, Bar& rhs) {
// ...
}
}
If swap is now used as shown in 1), your function will be found. Also, you may make that function a friend if you absolutely need to, or provide a member swap that is called by the free function:
// version 1
class Bar{
public:
friend void swap(Bar&...