大约有 42,000 项符合查询结果（耗时：0.0667秒） [XML]
Rails update_attributes without save?
.../active_record/attribute_assignment.rb
Another cheat sheet:
http://www.davidverhasselt.com/set-attributes-in-activerecord/#cheat-sheet
share
|
improve this answer
|
follow
...
Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
...
Notice how the output of
SHOW GRANTS FOR 'root'@'localhost';
did not say 'ALL PRIVILEGES' but had to spell out what root@localhost has.
GRANT ALL PRIVILEGES will fail, because a user can not grant what he/she does not have,
and the server seem to think something is not here ...
Now, w...
How to create a tag with Javascript?
... to me in trying to load an external CSS file in a strange CMS context. I did run into some trouble with the addRule / removeRule part, so I just elimated those, and everything works fine.
– Kirkman14
Sep 27 '11 at 19:15
...
'parent.relativePath' points at my com.mycompany:MyProject instead of org.apache:apache - Why?
What is true is that Solr project directory is inside MyProject parent directory (but there's no module or any maven relationship between the 2, just FS convenience). Do I have to place it out?
...
Tips for debugging .htaccess rewrite rules
...erefore don't have access to the root server configuration. They cannot avoid using .htaccess files for rewriting and cannot enable a RewriteLogLevel" as many respondents suggest. Also there are many .htaccess -specific pitfalls and constraints are aren't covered well. Setting up a local test...
How to create your own library for Android development to be used in every program you write?
...
You have to create Android Library Project.
Create android project in Eclipse, enter Project Properties -> Android and check isLibrary property. Now you can add this library to your Android Application project by adding it to list on the same pro...
What is PostgreSQL explain telling me exactly?
...
I am mystified why people think slide decks make good technical documentation. A video of the talk might be helpful, but the information density of that slide deck is very close to zero. In the first six slides (1/5th of the total), there is exactly 1 sentenc...
Building executable jar with maven?
...an executable artifact, something like this:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClass...
Setting default permissions for newly created files and sub-directories under a directory in Linux?
...
To get the right ownership, you can set the group setuid bit on the directory with
chmod g+rwxs dirname
This will ensure that files created in the directory are owned by the group. You should then make sure everyone runs with umask 002 or 007 or something of that nature---t...
Programmatically trigger “select file” dialog box
I have a hidden file input element. Is it possible to trigger its select file dialog box from a button's click event?
13 ...