Rectangle Rotation and Flipping

I have a bitmap with a Rectangle object that is drawn on top of it.I want to be able to Rot开发者_开发技巧ateFlip the bitmap and adjust the x, y, width, and height of the Rectangle so that it lines up

Calculating angle when sine is known

How can I calculate the angle in degrees wh开发者_如何转开发en Math.Sin is known? Asine will work? and multiply it by 180 and divide by pi?Yes, but remember that 135 degrees has the same value for Sin

Converting longitude latitude degrees to miles in Java

How do you convert degrees (longitude latitude) to miles in Java? For 开发者_高级运维example if I want to move longitude by 69.11 miles, I add 1 degree. Do I do simple calculation or should I use so

Confused about degrees and OpenGL/GLUT camera movement/rotation

NOTICE: I have edited the question below which is more relevant to my real issue than the text right below, you can skip this if you but I\'ll leave it here for historic reasons.

python convert degrees to change in x and change in y

I am 开发者_开发知识库making a snake game in python with pygame and for moving the character I have a integer which is the degrees of the angle it should move. Is there any way I can get the change in

Actionscript 3.0 Rotating an Image, by 90 degrees, that was loaded from a url

I got an error saying \"Attempted access of inaccessible method rotation through a reference with static type flash.display:Sprite.ssd.rotation(90)}\"

cos result incorrect

I import \"math.h\". I can use the cos function, but when I execute cos(0.321139585333178)开发者_运维问答

Unit test insert/update/delete

I have googled this a little and didn\'t really find the answer I needed. I am working on a webpage in C# with SQL Server and LINQ for a customer.

Should I load my Java object's data on construction, or explicitly through a method call?

This is a design question. I\'m trying to decide between 2 implementations. In order to properly explain this I need an example. So, for the sake of example:

为什么那么多人黑孙俪，联系一下邓超郝蕾的事，就不难推测孙俪的人品？