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Tuples( or arrays ) as Dictionary keys in C#
...ta = new Dictionary<myKey, string>()
{
{new myKey(1, 2, 3), "data123"},
{new myKey(4, 5, 6), "data456"},
{new myKey(7, 8, 9), "data789"}
};
You also can use it in contracts
as a key for join or groupings in linq
going this way you never ever mistype order of Item1, Item2, Item3
...
CSS: Control space between bullet and
...semantic when it is assigned a class, for instance <span class="tel">123-456-7890</span> is implicitly semantic.
– ingyhere
Mar 2 '12 at 2:01
4
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ADB Shell Input Events
...DOWN"
94 --> "KEYCODE_PICTSYMBOLS"
...
122 --> "KEYCODE_MOVE_HOME"
123 --> "KEYCODE_MOVE_END"
The complete list of commands can be found on:
http://developer.android.com/reference/android/view/KeyEvent.html
...
Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
... var button: UIButton!
var buttonOriginalWidth: CGFloat!
override func awakeFromNib() {
self.buttonOriginalWidth = self.button.frame.size.width
}
}
Here, you cannot calculate the original width of the button until the view loads, but you know that awakeFromNib will be called b...
Why use strict and warnings?
...
Borodin
123k99 gold badges6464 silver badges134134 bronze badges
answered Nov 5 '11 at 23:21
moodywoodymoodyw...
Printf width specifier to maintain precision of floating-point value
...sense, but simply to define the number of digits after the decimal point. 1234567890.123, mathematically has 13 digits of precision or significant digits. 0.000000000123 has 3 digits of mathematical precision, not 13. Floating point numbers are logarithmically distributed.This answer uses signific...
Static methods in Python?
...dited Dec 14 '15 at 0:29
hichris123
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answered Apr 10 '09 at 16:00
...
NOT using repository pattern, use the ORM as is (EF)
...how do you make Entity Framework work in a multi tenant environment?”.
https://stackoverflow.com/search?q=%5Bentity-framework%5D+multi+tenant
If you have a Repository abstraction then the answer is “it’s easy add a decorator”
public class RepositoryTennantFilterDecorator<T> : IRepos...
Templated check for the existence of a class member function?
...to write a template that changes behavior depending on if a certain member function is defined on a class?
29 Answers
...
Pointer expressions: *ptr++, *++ptr and ++*ptr
...hen increments dereferenced value
And here's a fourth, every bit as much fun as the other three:
(*ptr)++ // effectively forces a dereference, then increments dereferenced value
The first and second will crash if ptr is actually an array identifier. The third and fourth will crash if ptr points...