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What does a type followed by _t (underscore-t) represent?
...s I've forgotten. The C99 standard defines a lot of extra types, such as uintptr_t, intmax_t, int8_t, uint_least16_t, uint_fast32_t, and so on. These new types are formally defined in <stdint.h> but most often you will use <inttypes.h> which (unusually for standard C headers) includes ...
How to perform .Max() on a property of all objects in a collection and return the object with maximu
I have a list of objects that have two int properties. The list is the output of another linq query. The object:
9 Answers
...
Size-limited queue that holds last N elements in Java
...ort org.apache.commons.collections4.queue.CircularFifoQueue;
Queue<Integer> fifo = new CircularFifoQueue<Integer>(2);
fifo.add(1);
fifo.add(2);
fifo.add(3);
System.out.println(fifo);
// Observe the result:
// [2, 3]
If you are using an older version of th...
What is the 'override' keyword in C++ used for? [duplicate]
...e overrides.
To explain the latter:
class base
{
public:
virtual int foo(float x) = 0;
};
class derived: public base
{
public:
int foo(float x) override { ... } // OK
}
class derived2: public base
{
public:
int foo(int x) override { ... } // ERROR
};
In derived2 the c...
C++11 emplace_back on vector?
...vior will be changed in C++20.
In other words, even though implementation internally will still call T(arg0, arg1, ...) it will be considered as regular T{arg0, arg1, ...} that you would expect.
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Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
...;
//Right Animation set
layout.startRightAnimation();
//You can even set interpolators
Explaination:
Created a new custom RelativeLayout(ThreeLayout) and 2 custom Animations(MyScalAnimation, MyTranslateAnimation)
ThreeLayout gets the weight of the left pane as param ,assuming the other visib...
How to redirect cin and cout to files?
...::cout << line << "\n"; //output to the file out.txt
}
}
int main()
{
std::ifstream in("in.txt");
std::streambuf *cinbuf = std::cin.rdbuf(); //save old buf
std::cin.rdbuf(in.rdbuf()); //redirect std::cin to in.txt!
std::ofstream out("out.txt");
std::streambuf *...
How do I time a method's execution in Java?
...l Duration.between(start, end).getSeconds(). Duration also has methods to convert to other time units, e.g. toMillis() which converts to milliseconds.
– Emil Lunde
May 29 '18 at 13:29
...
get the latest fragment in backstack
...u can use the getName() method of FragmentManager.BackStackEntry which was introduced in API level 14. This method will return a tag which was the one you used when you added the Fragment to the backstack with addTobackStack(tag).
int index = getActivity().getFragmentManager().getBackStackEntryCoun...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
...lace_callback('/\\\\u([0-9a-fA-F]{4})/', function ($match) {
return mb_convert_encoding(pack('H*', $match[1]), 'UTF-8', 'UCS-2BE');
}, $str);
In case it's UTF-16 based C/C++/Java/Json-style:
$str = preg_replace_callback('/\\\\u([0-9a-fA-F]{4})/', function ($match) {
return mb_convert_enco...