大约有 28,000 项符合查询结果(耗时:0.0634秒) [XML]
How do write IF ELSE statement in a MySQL query
...tate = 1;
ELSE
state = 2;
END IF;
There is good example in this link :
http://easysolutionweb.com/sql-pl-sql/how-to-use-if-and-else-in-mysql/
share
|
improve this answer
|
...
Checking out Git tag leads to “detached HEAD state”
... looked over this answer but after I read the Git branching documentation: http://git-scm.com/book/en/Git-Branching-What-a-Branch-Is it was a lot clearer.
– mark stiles
May 30 '13 at 19:50
...
How to template If-Else structures in data-bound views?
...orks fine and is not terribly verbose.
Michael Best's switch/case binding (https://github.com/mbest/knockout-switch-case) is quite flexible and can let you easily handle this and more complicated ones (more states than true/false).
Another option is to use dynamic templates. You would bind an area ...
How to include “zero” / “0” results in COUNT aggregate?
...ro.
If you want to learn more about outer joins, here is a nice tutorial: http://sqlzoo.net/wiki/Using_Null
share
|
improve this answer
|
follow
|
...
Is an index needed for a primary key in SQLite?
... integer affinity
and a unique index, not as an alias for the rowid.
See: http://www.sqlite.org/lang_createtable.html#rowid
share
|
improve this answer
|
follow
...
Are there any SHA-256 javascript implementations that are generally considered trustworthy?
...
On https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest I found this snippet that uses internal js module:
async function sha256(message) {
// encode as UTF-8
const msgBuffer = new TextEncoder('utf-8').e...
Do you have to include ?
... to your cookieless domain should correct this.
<link rel="icon" href="https://cookieless.MySite.com/favicon.ico" type="image/x-icon" />
Depending on how much traffic you get, this may be the most practical reason for adding the link.
Info on setting up a cookieless domain:
http://www.ra...
How to see the CREATE VIEW code for a view in PostgreSQL?
...name', true)
A list of all those functions is available in the manual:
http://www.postgresql.org/docs/current/static/functions-info.html
share
|
improve this answer
|
fol...
How to remove the arrow from a select element in Firefox
...d on Windows 8, Ubuntu and Mac, latest versions of Firefox.
Live example: http://jsfiddle.net/joaocunha/RUEbp/1/
More on the subject: https://gist.github.com/joaocunha/6273016
share
|
improve this...
Rails 3 check if attribute changed
...rray).
You can check APIDock for which versions supported these methods.
http://apidock.com/rails/ActiveModel/Dirty
share
|
improve this answer
|
follow
|
...