大约有 40,000 项符合查询结果（耗时：0.0544秒） [XML]
How do I get the currently displayed fragment?
...yFragment myFragment = (MyFragment)getSupportFragmentManager().findFragmentByTag("MY_FRAGMENT");
if (myFragment != null && myFragment.isVisible()) {
// add your code here
}
See also http://developer.android.com/reference/android/app/Fragment.html
...
Facebook API - How do I get a Facebook user's profile image through the Facebook API (without requir
...re" /> if you change between HTTP and HTTPS... the protocol is detected by the browser, and you won't get mixed content warnings on HTTPS.
– Chris Jacob
Nov 23 '11 at 1:45
39
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How to un-submodule a Git submodule?
...ick is that git does not store rename operations: instead, it detects them by looking at the parent commits. If there is a file content that was present in the previous commit, but with a different filename, it is considered a rename (or copy). In the steps above, git merge ensures that there will b...
What is the purpose of the “final” keyword in C++11 for functions?
...yword in C++11 for functions? I understand it prevents function overriding by derived classes, but if this is the case, then isn't it enough to declare as non-virtual your final functions? Is there another thing I'm missing here?
...
When to use nested classes and classes nested in modules?
... class Wheel { }
}
only methods in the Car class can create Wheels.
Ruby doesn’t have that behaviour.
In Ruby,
class Car
class Wheel
end
end
differs from
class Car
end
class Wheel
end
only in the name of the class Wheel vs. Car::Wheel. This difference in name can make explicit to ...
Android: How to Programmatically set the size of a Layout
...ava
This should work:
// Gets linearlayout
LinearLayout layout = findViewById(R.id.numberPadLayout);
// Gets the layout params that will allow you to resize the layout
LayoutParams params = layout.getLayoutParams();
// Changes the height and width to the specified *pixels*
params.height = 100;
par...
WAMP/XAMPP is responding very slow over localhost
...e processes running. Be sure you only have one running. You can check this by pressing CTRL+ALT+DEL and press Task Manager
Turn off the Base Filtering Engine (BFE)
What I find to be working a bit as well was turning off the Base Filtering Engine. Since stopping or disabling the BFE service will ...
What does Html.HiddenFor do?
...page and have passed back when another call is made but shouldn't be seen by the user.
Consider the following ViewModel class:
public class ViewModel
{
public string Value { get; set; }
public int Id { get; set; }
}
Now you want the edit page to store the ID but have it not be seen:
&l...
Search for “does-not-contain” on a DataFrame in pandas
I've done some searching and can't figure out how to filter a dataframe by df["col"].str.contains(word) , however I'm wondering if there is a way to do the reverse: filter a dataframe by that set's compliment. eg: to the effect of !(df["col"].str.contains(word)) .
...
error: writable atomic property cannot pair a synthesized setter/getter with a user defined setter/g
...The compiler warns you about a @property that you declared as atomic (i.e. by omitting the nonatomic keyword), yet you provide an incomplete implementation of how to synchronize access to that property.
To make that warning disappear:
If you declare a @property to be atomic then do one of the fol...