大约有 47,000 项符合查询结果（耗时：0.0607秒） [XML]
Remove/hide a preference from the screen
...have an activity which extends PreferenceActivity.
I'm loading preferences from the xml file.
But in some cases i need completely hide one of the preferences from the screen based on my app state. There is a setEnabled method, but it's not exactly what i want. I want to remove that preference from t...
What is the purpose of willSet and didSet in Swift?
... = 0 {
didSet {
print("The value of myProperty changed from \(oldValue) to \(myProperty)")
}
}
}
myProperty prints its old and new value every time it is modified. With just getters and setters, I would need this instead:
class Foo {
var myPropertyValue: Int = ...
Is it good practice to make the constructor throw an exception? [duplicate]
... throw Exception it is difficult for the caller to separate this exception from any number of other possible declared and undeclared exceptions. This makes error recovery difficult, and if the caller chooses to propagate the Exception, the problem just spreads.
1 - Some people may disagree, but ...
What is the difference between HTTP_HOST and SERVER_NAME in PHP?
...
The HTTP_HOST is obtained from the HTTP request header and this is what the client actually used as "target host" of the request. The SERVER_NAME is defined in server config. Which one to use depends on what you need it for. You should now however rea...
How can I get the console logs from the iOS Simulator?
...
Is this still accurate? I'm not seeing anything from console.log in these log using tail or Console.app
– Jeff
Mar 11 '14 at 20:07
3
...
Check if an array contains any element of another array in JavaScript
... @Batman: The result is true/false, but you can adapt the solution from Mr. skyisred
– 0zkr PM
Jun 19 '19 at 22:58
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show 2 more com...
How to delete .orig files after merge from git repository?
...
you have to first remove file from repository git rm <filename> and then commit.after this add *.orig file into git ignore.
– Amar
Sep 11 '12 at 9:18
...
Clear back stack using fragments
...
I posted something similar here
From Joachim's answer, from Dianne Hackborn:
http://groups.google.com/group/android-developers/browse_thread/thread/d2a5c203dad6ec42
I ended up just using:
FragmentManager fm = getActivity().getSupportFragmentManager();
fo...
How to flush output of print function?
...ter command line (first line of the script file), so change the first line from (something like) #!/usr/bin/python3 to #!/usr/bin/python3 -u - now when you run your script (e.g. ./my_script.py) the -u will always be added for you
– James
Sep 7 at 17:22
...
Why compile Python code?
Why would you compile a Python script? You can run them directly from the .py file and it works fine, so is there a performance advantage or something?
...