大约有 40,000 项符合查询结果（耗时：0.0478秒） [XML]
Add all files to a commit except a single file?
I have a bunch of files in a changeset, but I want to specifically ignore a single modified file. Looks like this after git status :
...
How to write :hover condition for a:before and a:after?
...
or you can set pointer-events:none to your a element and pointer-event:all to your a:before element, and then add hover CSS to a element
a{
pointer-events:none;
}
a:before{
pointer-events:all
}
a:hover:before{
background:blu...
Mediator Vs Observer Object-Oriented Design Patterns
...atically.
The Mediator pattern:
Define an object that encapsulates how a set of objects interact. Mediator promotes loose coupling by keeping objects from referring to each other explicitly, and it lets you vary their interaction independently.
Source: dofactory
Example:
The observer pattern:
...
Can you center a Button in RelativeLayout?
...ent"
android:text="Centered Button"/>
</RelativeLayout>
Setting the gravity of the RelativeLayout itself will affect all of the objects placed inside of it. In this case, it's just the button. You can use any of the gravity settings here, of course (e.g. center_horizontal, top, ri...
How do I convert a git repository to mercurial?
...The hg convert utility isn't on by default after installation. In order to set it as such add the following to your .hgrc file.
[extensions]
hgext.convert=
If you're using TortoiseHg on Windows then this file resides in your home directory as mercurial.ini. After this setting change you will be a...
How enable auto-format code for Intellij IDEA?
...
I have found two ways to do this:
Go to Settings> Keymap.In the right portion go to Editor Actions> complete current statement.Click on it and select add keyboard shortcut. Press ; and select ok.
Use macro. Go to
Edit> Macros> Start Macro Recording.
...
Regex for quoted string with escaping quotes
...
This is the only set that worked for me with a single, large 1.5 KB quoted string containing 99 escapes. Every other expression on this page broke in my text editor with an overflow error. Though most here work in the browser, just something ...
Extending the User model with custom fields in Django
...ser=instance)
post_save.connect(create_user_profile, sender=User)
#in settings.py
AUTH_PROFILE_MODULE = 'YOURAPP.UserProfile'
This will create a userprofile each time a user is saved if it is created.
You can then use
user.get_profile().whatever
Here is some more info from the docs
htt...
How does the “final” keyword in Java work? (I can still modify an object.)
...ayList();
foo.add("foo"); // Modification-1
}
public void setFoo(List foo) {
//this.foo = foo; Results in compile time error.
}
}
In the above case, we have defined a constructor for 'Test' and gave it a 'setFoo' method.
About constructor: Constructor can be invoked ...
RAII and smart pointers in C++
... important,
// just that we've got a file to be used as a log
Now, let's set our file as the log for a couple of other objects:
void setLog(const Foo & foo, const Bar & bar) {
File file("/path/to/file", File::append);
foo.setLogFile(file);
bar.setLogFile(file);
}
Unfortunate...