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How does the Brainfuck Hello World actually work?
...cell value - you get:
...[0][0][0][*1*][0]...
If you move pointer left < you are moving pointer from cell X to cell X-1
...[0][0][*0*][1][0]...
2. Input
To read character you use comma ,. What it does is: Read character from standard input and write its decimal ASCII code to the actual cel...
Creating a comma separated list from IList or IEnumerable
...anest way to create a comma-separated list of string values from an IList<string> or IEnumerable<string> ?
2...
How to make a smaller RatingBar?
...
The default RatingBar widget is sorta' lame.
The source makes reference to style "?android:attr/ratingBarStyleIndicator" in addition to the "?android:attr/ratingBarStyleSmall" that you're already familiar with. ratingBarStyleIndicat...
Is there an equivalent to background-size: cover and contain for image elements?
...play: block;
width: 100vw;
height: 100vh;
object-fit: cover;
}
<img src="http://lorempixel.com/1500/1000" />
See MDN - regarding object-fit: cover:
The replaced content is sized to maintain its aspect ratio while
filling the element’s entire content box. If the object...
Calling C++ class methods via a function pointer
... C++
class TMyClass
{
public:
int DoIt(float a, char b, char c){ cout << "TMyClass::DoIt"<< endl; return a+b+c;};
int DoMore(float a, char b, char c) const
{ cout << "TMyClass::DoMore" << endl; return a-b+c; };
/* more of TMyClass */
};
pt2ConstMember = &a...
jQuery Set Select Index
...meric values must be strings, so I chose a string for consistency.
(e.g. <option value="hello">Number3</option> requires you to use .val("hello"))
share
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Can I call a base class's virtual function if I'm overriding it?
...ept it allows calling implementations from different bases when you have multiple inheritance.
class Foo {
public:
virtual void foo() {
...
}
};
class Baz {
public:
virtual void foo() {
...
}
};
class Bar : public Foo, public Baz {
public:
virtual void foo() {
...
How to vertically center a div for all browsers?
... margin-right: auto;
width: 400px;
/*whatever width you want*/
}
<div class="outer">
<div class="middle">
<div class="inner">
<h1>The Content</h1>
<p>Once upon a midnight dreary...</p>
</div>
</div>
</di...
What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
... extension, __FUNCSIG__.
For the nonstandard macros, you will want to consult your compiler's documentation. The Visual C++ extensions are included in the MSDN documentation of the C++ compiler's "Predefined Macros". The gcc documentation extensions are described in the gcc documentation page "Fun...
Pointer to class data member “::*”
...a "pointer to member" - the following code illustrates its use:
#include <iostream>
using namespace std;
class Car
{
public:
int speed;
};
int main()
{
int Car::*pSpeed = &Car::speed;
Car c1;
c1.speed = 1; // direct access
cout << "speed is " <<...