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What are the advantages of using nullptr?
...ere doesn't seem to be an advantage. But consider the following overloaded functions:
void f(char const *ptr);
void f(int v);
f(NULL); //which function will be called?
Which function will be called? Of course, the intention here is to call f(char const *), but in reality f(int) will be called! ...
Is there a method that works like start fragment for result?
...{
private lateinit var sharedViewModel: SharedViewModel
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
activity?.run {
sharedViewModel = ViewModelProviders.of(activity).get(SharedViewModel::class.java)
}
}
...
Can C++ code be valid in both C++03 and C++11 but do different things?
...outside-right-angle-brackets/)
template< unsigned len > unsigned int fun(unsigned int x);
typedef unsigned int (*fun_t)(unsigned int);
template< fun_t f > unsigned int fon(unsigned int x);
void total(void) {
// fon<fun<9> >(1) >> 2 in both standards
unsigned in...
Why can't non-default arguments follow default arguments?
...in the correct order:
Let us take a look at keyword arguments, using your function.
def fun1(a="who is you", b="True", x, y):
... print a,b,x,y
Suppose its allowed to declare function as above,
Then with the above declarations, we can make the following (regular) positional or keyword argume...
Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?
...his C# - F# example
C#:
public class Class1
{
public static void Foo(Func<object, string> f)
{
Console.WriteLine(f.Method.GetParameters()[0].Name);
}
}
F#:
Class1.Foo(fun yadda -> "hello")
Result:
"arg" is printed (not "yadda").
As a result, library designers sh...
What's the best practice to round a float to 2 decimals? [duplicate]
...s 0. Do you know how to show always sign and all (2) decimals?? Example: 2.1234 --> 2.12 but 2.1 --> 2.1 but no 2.10
– vgonisanz
Jan 18 '12 at 14:36
1
...
Why doesn't RecyclerView have onItemClickListener()?
... object : RecyclerView.OnChildAttachStateChangeListener {
override fun onChildViewAttachedToWindow(view: View) {
// every time a new child view is attached add click listeners to it
val holder = this@ItemClickSupport.recyclerView.getChildViewHolder(view)
...
Is there any way to not return something using CoffeeScript?
...feeScript automatically returns the last item in a scope. Can I avoid this functionality?
5 Answers
...
How to hide Soft Keyboard when activity starts
...tension to hide keyboard
// In onResume, call this
myView.hideKeyboard()
fun View.hideKeyboard() {
val inputMethodManager = context.getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager
inputMethodManager.hideSoftInputFromWindow(windowToken, 0)
}
Alternatives based on use case:
f...
Wrap long lines in Python [duplicate]
...
def fun():
print(('{0} Here is a really long '
'sentence with {1}').format(3, 5))
Adjacent string literals are concatenated at compile time, just as in C. http://docs.python.org/reference/lexical_analysis.html#st...