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C pointer to array/array of pointers disambiguation
...declarators. P[N] is an array declarator. P(....) is a function declarator and *P is a pointer declarator. So everything in the following is the same as without any parentheses (except for the one of the functions' "()": int (((*p))); void ((g(void))); int *(a[1]); void (*(p())).
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What does InitializeComponent() do, and how does it work in WPF?
...dComponent() loads the XAML file that is located at the passed in URI, and converts it to an instance of the object that is specified by the root element of the XAML file.
In more detail, LoadComponent creates an instance of the XamlParser, and builds a tree of the XAML. Each node is parsed by the ...
Trying to fix line-endings with git filter-branch, but having no luck
...s from the previous command and runs them through the utility 'fromdos' to convert the line-endings.
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What are “named tuples” in Python?
...u may just want to use a dictionary in this situation. Named tuples can be converted to dictionaries using pt1._asdict() which returns {'x': 1.0, 'y': 5.0} and can be operated upon with all the usual dictionary functions.
As already noted, you should check the documentation for more information f...
Rails: how do I validate that something is a boolean?
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This does not work, as any string eg, "foo" will be converted into true.
– Ka Mok
Jun 4 '18 at 22:55
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Draw in Canvas by finger, Android
... View. You override the onDraw(). You add the path of where finger touches and moves. You override the onTouch() of this purpose. In your onDraw() you draw the paths using the paint of your choice. You should call invalidate() to refresh the view.
To choose options you can click menu and choose the...
Fast Bitmap Blur For Android SDK
Currently in an Android application that I'm developing I'm looping through the pixels of an image to blur it. This takes about 30 seconds on a 640x480 image.
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How to make inline functions in C#
...ored
{
Console.WriteLine("Hello world!");
}
Lambdas are new in C# 3.0 and come in two flavours.
Expression lambdas:
Func<int, int, int> add = (int x, int y) => x + y; // or...
Func<int, int, int> add = (x, y) => x + y; // types are inferred by the compiler
Statement lambda...
TypeError: unhashable type: 'dict'
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To convert the resulting frozenset back to dict, just call dict(the_frozenset).
– user
Oct 8 '18 at 21:47
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'const int' vs. 'int const' as function parameters in C++ and C
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const T and T const are identical. With pointer types it becomes more complicated:
const char* is a pointer to a constant char
char const* is a pointer to a constant char
char* const is a constant pointer to a (mutable) char
In o...