大约有 18,500 项符合查询结果（耗时：0.0307秒） [XML]
String comparison in Python: is vs. == [duplicate]
...x==y is also
True.
Not always. NaN is a counterexample. But usually, identity (is) implies equality (==). The converse is not true: Two distinct objects can have the same value.
Also, is it generally considered better to just use '==' by default, even
when comparing int or Boolean value...
How to dynamically compose an OR query filter in Django?
...
Thanks! This was what I was looking for :) Didn't know you could do |=
– Jack Ha
May 12 '09 at 12:43
23
...
Counting Chars in EditText Changed Listener
...Backspace it counts up, but I need to decrement the number. How can I consider Backspace ?
5 Answers
...
Select elements by attribute in CSS
...er them with attribute selectors; and
you don't have to worry about CSS validation either, as CSS doesn't care about non-namespaced attribute names as long as they don't break the selector syntax.
share
|
...
How to make CSS3 rounded corners hide overflow in Chrome/Opera
...ound corners on a parent div to mask content from its childen. overflow: hidden works in simple situations, but breaks in webkit based browsers and Opera when the parent is positioned relatively or absolutely.
...
Determine if running on a rooted device
...refer an ability to silently check if root is available first, and if not,hide the respective options in the first place.
2...
support FragmentPagerAdapter holds reference to old fragments
...because you are instantiating and keeping references to your fragments outside of PagerAdapter.getItem, and are trying to use those references independently of the ViewPager. As Seraph says, you do have guarantees that a fragment has been instantiated/added in a ViewPager at a particular time - this...
How to pass password to scp?
...h-keygen -t rsa -C "your_email@youremail.com"
copy the content of ~/.ssh/id_rsa.pub
and lastly add it to the remote machines ~/.ssh/authorized_keys
make sure remote machine have the permissions 0700 for ~./ssh folder and 0600 for ~/.ssh/authorized_keys
...
How do I provide a username and password when running “git clone git@remote.git”?
I know how to provide a username and password to an HTTPS request like this:
10 Answers
...
Autowiring two beans implementing same interface - how to set default bean to autowire?
...ments DeviceDao
This way it will be selected as the default autowire candididate, with no need to autowire-candidate on the other bean.
Also, rather than using @Autowired @Qualifier, I find it more elegant to use @Resource for picking specific beans, i.e.
@Resource(name="jdbcDeviceDao")
DeviceDa...