大约有 49,000 项符合查询结果（耗时：0.0602秒） [XML]
Search of table names
... where name like '%xxx%'
and is_ms_shipped = 0; -- << comment out if you really want to see them
share
|
improve this answer
|
follow
|
...
scopes with lambda and arguments in Rails 4 style?
I'm wondering how the following is done in Rails 4 or if I just use the Rails 3 approach for using a lambda that can pass an argument the same way with 4 as I do with 3.
...
How to write multiple line string using Bash with variables?
...
and if you want to append it would be cat >>
– Or Gal
Jun 6 '13 at 19:05
19
...
Rails params explained?
...which is the most common, the params are encoded in the url. For example, if a user's browser requested
http://www.example.com/?foo=1&boo=octopus
then params[:foo] would be "1" and params[:boo] would be "octopus".
In HTTP/HTML, the params are really just a series of key-value pairs where the...
How to affect other elements when one element is hovered
...
If the cube is directly inside the container:
#container:hover > #cube { background-color: yellow; }
If cube is next to (after containers closing tag) the container:
#container:hover + #cube { background-color: yellow;...
LESS CSS nesting classes
...s1 {
.class2 {}
}
defines nested nodes. .class2 will only be applied if it is a child of a node with the class class1.
I've been confused with this too and my conclusion is that LESS needs a this keyword :).
share
...
Difference between dict.clear() and assigning {} in Python
In python, is there a difference between calling clear() and assigning {} to a dictionary? If yes, what is it?
Example:
...
How to drop a table if it exists?
...
Is it correct to do the following?
IF EXISTS(SELECT *
FROM dbo.Scores)
DROP TABLE dbo.Scores
No. That will drop the table only if it contains any rows (and will raise an error if the table does not exist).
Instead, for a permanent table you ...
Docker how to change repository name or rename image?
...o you can have as many of them associated with the same image as you like. If you don't like the old name you can remove it after you've retagged it:
docker rmi server
That will just remove the alias/tag. Since d583c3ac45fd has other names, the actual image won't be deleted.
...
How to send only one UDP packet with netcat?
...
If you are using bash, you might as well write
echo -n "hello" >/dev/udp/localhost/8000
and avoid all the idiosyncrasies and incompatibilities of netcat.
This also works sending to other hosts, ex:
echo -n "hello" >...