大约有 40,000 项符合查询结果（耗时：0.0359秒） [XML]
Understanding colors on Android (six characters)
...
Base on Android Material color design guide: google.com/design/spec/style/… More key Hex Opacity Values: 100%: FF 87%: DE 70%: B3 54%: 8A 30%: 4D 26%: 42 12%: 1F
– cn123h
May 9 '15 at 14:58
...
NameError: name 'self' is not defined
...
If you have arrived here via google, please make sure to check that you have given self as the first parameter to a class function. Especially if you try to reference values for that object inside the function.
def foo():
print(self.bar)
>NameE...
What does the “-U” option stand for in pip install -U
Despite a ton of Googling, I can't find any docs for pip's command line options/arguments. What does pip install -U mean? Does anyone have a link to a list of pip's options and arguments?
...
How to check for valid email address? [duplicate]
...>>> from dns.resolver import query
>>> domain = 'foo@bar@google.com'.rsplit('@', 1)[-1]
>>> bool(query(domain, 'MX'))
True
>>> query('example.com', 'MX')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
[...]
dns.resolver.NoAn...
What is 'YTowOnt9'?
...the (huge) codebase, and can't figure out where it came from. I decided to Google for that particular string, and the result surprised me. Over half a million - kind of random - hits. I haven't found any page describing the value itself. It has 0 hits on Stack Overflow.
...
How to delete every other line in Vim?
... made me go out and learn to fish with the :g command (that is, it made me google this page - vim.wikia.com/wiki/Power_of_g ).
– snetch
Apr 2 '14 at 19:55
1
...
Override browser form-filling and input highlighting with HTML/CSS
...reative. But it reminds me of old IE6 hacks and the like. Kinda crappy of google to give us a :-webkit-autofill parameter and not let designers override the default, right?
– squarecandy
Mar 10 '16 at 0:14
...
Can you find all classes in a package using reflection?
...
Ah, here we go: code.google.com/p/reflections/issues/detail?id=122. Object is excluded by default, but you can rejigger it. Thanks for pointing me to this library, it's great!
– mtrc
Aug 25 '12 at 14:50
...
Access event to call preventdefault from custom function originating from onclick attribute of tag
...sayHi(e) {
e.preventDefault();
alert("hi");
}
<a href="http://google.co.uk" onclick="sayHi(event);">Click to say Hi</a>
Run it as is and notice that the link does no redirect to Google after the alert.
Then, change the event passed into the onclick handler to something...
Cordova 3.5.0 Install Error- Please Install Android Target 19
... android emulator:
ARM EABI v7a System Image
Intel x86 Atom System Image
Google APIs (x86 System Image)
Google APIs (ARM System Image)
I could then create an emulator based on API19 using the Android Virtual Device (AVD) Manager that is included in the android SDK bundle.
...