大约有 40,000 项符合查询结果（耗时：0.1015秒） [XML]
Restoring state of TextView after screen rotation?
...orce your TextView to save its state you must add freezesText attribute:
<TextView
...
android:freezesText="true" />
From documentation on freezesText :
If set, the text view will include its current complete text inside of its frozen icicle in addition to meta-data such as ...
How do I safely pass objects, especially STL objects, to and from a DLL?
...usually be specially placed in memory so their addresses correspond to a multiple of the type's size. For example, an int might be aligned to a 4-byte boundary.
If your DLL is compiled with a different compiler than your EXE, the DLL's version of a given class might have different packing than the ...
How can I check if an ip is in a network in Python?
...akeMask(n):
"return a mask of n bits as a long integer"
return (2L<<n-1) - 1
def dottedQuadToNum(ip):
"convert decimal dotted quad string to long integer"
return struct.unpack('L',socket.inet_aton(ip))[0]
def networkMask(ip,bits):
"Convert a network address to a long inte...
Programmatically Hide/Show Android Soft Keyboard [duplicate]
... have tested this. Simple solution.
ie: In your app_list_view.xml file
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:focusableInTouchMode="true">
<EditText
android:id="@+id/filt...
How to conditionally push an item in an observable array?
...dexOf). This allows you to do:
if (myObservableArray.indexOf(itemToAdd) < 0) {
myObservableArray.push(itemToAdd);
}
If the two are not actually a reference to the same object and you want to run custom comparison logic, then you can use ko.utils.arrayFirst like:
var match = ko.utils.arrayF...
Where can I find the “clamp” function in .NET?
...
You could write an extension method:
public static T Clamp<T>(this T val, T min, T max) where T : IComparable<T>
{
if (val.CompareTo(min) < 0) return min;
else if(val.CompareTo(max) > 0) return max;
else return val;
}
Extension methods go in static clas...
How to write an async method with out parameter?
... We examined that approach, and it had a lot going
for it, but it would ultimately have been so costly that it'd never
have happened.
A typical workaround for this situation is to have the async method return a Tuple instead.
You could re-write your method as such:
public async Task Method1()...
Why does Ruby have both private and protected methods?
...
Here is a quick practical example:
def compare_to(x)
self.some_method <=> x.some_method
end
some_method cannot be private here. It must be protected because you need it to support explicit receivers. Your typical internal helper methods can usually be private since they never need to b...
How to add double quotes to a string that is inside a variable?
...question properly, maybe you can try this:
string title = string.Format("<div>\"{0}\"</div>", "some text");
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Remove Item from ArrayList
... flawed as the OP's logic in their question. We're talking about ArrayList<E> - why would anyone want to remove an object from an ArrayList based purely on position instead of testing what's at that position? The OP may well be using String as the object type for the ArrayList but your answer ...