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Set selected index of an Android RadioGroup
... Hi, I created them programtically using this code:for (int i = 0; i < lookupTypes.size(); i++) { // RadioButton rbt = new RadioButton(this);//, null, // R.style.RadioGroupItem); RadioButton rbt = (RadioButton) getLayoutInflater().inflate( R.layout.tmpltradiobutton, null); ...
C++ “virtual” keyword for functions in derived classes. Is it necessary?
...the same signature in the derived classes are considered "virtual" by default.
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Empty set literal?
...f still used for empty dict.
Python 2.7 (first line is invalid in Python <2.7)
>>> {1,2,3}.__class__
<type 'set'>
>>> {}.__class__
<type 'dict'>
Python 3.x
>>> {1,4,5}.__class__
<class 'set'>
>>> {}.__class__
<type 'dict'>
More he...
Android ViewPager - Show preview of page on left and right
...ion)
Dataset change animations (including DiffUtil support)
The result
The code
In your Activity/Fragment, setup the ViewPager2:
// MyRecyclerViewAdapter is an standard RecyclerView.Adapter :)
viewPager2.adapter = MyRecyclerViewAdapter()
// You need to retain one page on each side so t...
What does “yield break;” do in C#?
...iterator, the body of the function may look like this:
for (int i = 0; i < 5; i++)
{
yield return i;
}
Console.Out.WriteLine("You will see me");
Note that after the loop has completed all its cycles, the last line gets executed and you will see the message in your console app.
Or like th...
Avoid Android Lint complains about not-translated string
...ow how to ignore all the file, but you can do it string by string using:
<string name="hello" translatable="false">hello</string>
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What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]
...f the same bug though.
This code fails with an access violation:
class A<T>
{
static A() { }
public A(out string s) {
s = string.Empty;
}
}
class B
{
static void Main() {
string s;
new A<object>(out s);
//new A<int>(out s);
...
Javascript Array.sort implementation?
...{
// Insertion sort is faster for short arrays.
if (to - from <= 10) {
InsertionSort(a, from, to);
return;
}
if (to - from > 1000) {
third_index = GetThirdIndex(a, from, to);
} else {
third_index = from + ((to - from) >> 1);
...
Why does ASP.NET webforms need the Runat=“Server” attribute?
...sed due to grammatical errors in source):
[...] but the importance of <runat="server"> is more for consistency and extensibility.
If the developer has to mark some tags (viz. <asp: />) for the ASP.NET Engine to ignore, then there's also the potential issue of namespace collisio...
How to add a custom HTTP header to every WCF call?
...= new OperationContextScope((IContextChannel)channel))
{
MessageHeader<string> header = new MessageHeader<string>("secret message");
var untyped = header.GetUntypedHeader("Identity", "http://www.my-website.com");
OperationContext.Current.OutgoingMessageHeaders.Add(untyped);
...