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Is it possible to figure out the parameter type and return type of a lambda?
...traits implementation based on Specializing a template on a lambda in C++0x which can give the parameter types. The trick, as described in the answer in that question, is to use the decltype of the lambda's operator().
template <typename T>
struct function_traits
: public function_trait...
Why do some C# lambda expressions compile to static methods?
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This is most likely because there are no closures, for example:
int age = 25;
Action<string> withClosure = s => Console.WriteLine("My name is {0} and I am {1} years old", s, age);
Action<string> withoutClosure = s => Console.WriteLine("My name is {0}", s);
Conso...
How to reduce iOS AVPlayer start delay
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For iOS 10.x and greater to reduce AVPlayer start delay I set:
avplayer.automaticallyWaitsToMinimizeStalling = false;
and that seemed to fix it for me. This could have other consequences, but I haven't hit those yet.
I got the idea f...
How can I access my localhost from my Android device?
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Single script to run in both Windows batch and Linux Bash?
Is it possible to write a single script file which executes in both Windows (treated as .bat) and Linux (via Bash)?
11 Answ...
How do you test functions and closures for equality?
...ure optimizations in
closures. Further, equality of this sort would be extremely
surprising in some generics contexts, where you can get reabstraction
thunks that adjust the actual signature of a function to the one the
function type expects.
https://devforums.apple.com/message/1035180#10...
Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req
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If I understood it right you are doing an XMLHttpRequest to a different domain than your page is on. So the browser is blocking it as it usually allows a request in the same origin for security reasons. You need to do something different when you want to do a cross-d...
How should I read a file line-by-line in Python?
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There is exactly one reason why the following is preferred:
with open('filename.txt') as fp:
for line in fp:
print line
We are all spoiled by CPython's relatively deterministic reference-counting scheme for garbage colle...
What does @hide mean in the Android source code?
...(droiddoc also), so the @hide just simply means the method/class/field is excluded from the API docs.
For example, the checkUidPermission() method in ActivityManager.java uses @hide:
/** @hide */
public static int checkUidPermission(String permission, int uid) {
try {
return AppGlobal...