大约有 47,000 项符合查询结果（耗时：0.0852秒） [XML]
Deleting all records in a database table
...ll.
Post.delete_all
or with a criteria
Post.delete_all "person_id = 5 AND (category = 'Something' OR category = 'Else')"
See here for more information.
The records are deleted without loading them first which makes it very fast but will break functionality like counter cache that depends on ...
How do I detect IE 8 with jQuery?
... jQuery API Documentation. Check for Internet Explorer with $.browser.msie and then check its version with $.browser.version.
UPDATE: $.browser removed in jQuery 1.9
The jQuery.browser() method has been deprecated since jQuery 1.3 and is removed in 1.9. If needed, it is available as part of the...
How to change line-ending settings
...lf"
If you want to know what file this is saved in, you can run the command:
git config --global --edit
and the git global config file should open in a text editor, and you can see where that file was loaded from.
shar...
Java: recommended solution for deep cloning/copying an instance
...ializationUtils - using serialization - if all classes are in your control and you can force implementing Serializable.
Java Deep Cloning Library - using reflection - in cases when the classes or the objects you want to clone are out of your control (a 3rd party library) and you can't make them impl...
How to break a line of chained methods in Python?
...
I also like it best. Doesn't add more code and it's without backslashes.
– Juliusz Gonera
Jan 22 '11 at 23:17
23
...
Git push requires username and password
...Clone or download", then clicking the "Use SSH" button above the URL field and updating the URL of your origin remote like this:
git remote set-url origin git@github.com:username/repo.git
This is documented at GitHub: Switching remote URLs from HTTPS to SSH.
...
How to write “Html.BeginForm” in Razor
... <input type="submit" value="Upload" />
</fieldset>
}
and generates as expected:
<form action="/Upload/Upload" enctype="multipart/form-data" method="post">
<fieldset>
Select a file <input type="file" name="file" />
<input type="submi...
When should I use the HashSet type?
I am exploring the HashSet<T> type, but I don't understand where it stands in collections.
11 Answers
...
How to get a string after a specific substring?
...ring.split("world",1)[1]
split takes the word(or character) to split on and optionally a limit to the number of splits.
In this example split on "world" and limit it to only one split.
share
|
i...
Rebasing a Git merge commit
...
There are two options here.
One is to do an interactive rebase and edit the merge commit, redo the merge manually and continue the rebase.
Another is to use the --rebase-merges option on git rebase, which is described as follows from the manual:
By default, a rebase will simply drop mer...