大约有 41,200 项符合查询结果（耗时：0.0452秒） [XML]
On Duplicate Key Update same as insert
...ernatively, 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 the ...
Make Div overlay ENTIRE page (not just viewport)?
...pression that the entire body is darkened.
Example: http://jsbin.com/okabo3/edit
div.fadeMe {
opacity: 0.5;
background: #000;
width: 100%;
height: 100%;
z-index: 10;
top: 0;
left: 0;
position: fixed;
}
<body>
<div class="fadeMe">...
What is the “Temporary ASP.NET Files” folder for?
...
3 Answers
3
Active
...
How do I use Linq to obtain a unique list of properties from a list of objects?
...
323
IEnumerable<int> ids = list.Select(x=>x.ID).Distinct();
...
D3.js: How to get the computed width and height for an arbitrary element?
...
3 Answers
3
Active
...
iOS UIImagePickerController result image orientation after upload
I am testing my iPhone application on an iOS 3.1.3 iPhone. I am selecting/capturing an image using a UIImagePickerController :
...
Difference between os.getenv and os.environ.get
...
63
One difference observed (Python27):
os.environ raises an exception if the environmental variabl...
What does dot (.) mean in a struct initializer?
...second;
int third;
};
...you can use
struct demo_s demo = { 1, 2, 3 };
...or:
struct demo_s demo = { .first = 1, .second = 2, .third = 3 };
...or even:
struct demo_s demo = { .first = 1, .third = 3, .second = 2 };
...though the last two are for C99 only.
...
What is the difference between required and ng-required?
...
3 Answers
3
Active
...
git - skipping specific commits when merging
...
So let's suppose maint has had 5 changes applied, and one of those (maint~3) is not to be merged back into master, although all the others should be. You do this in three stages: actually merge everything before that one, tell git to mark maint~3 as merged even when it isn't, and then merge the res...