If you have a circle with center (center_x, center_y) and radius radius , how do you test if a given point with coordinates (x, y) is inside the circle? ...

I am not really proficient in Haskell, so this might be a very easy question. 6 Answers ...

I'm trying to write some tests with the new android-test-kit (Espresso) . But I can't find any information on how to check if a dialog is displayed and perform some actions on it (like clicking the positive and negative buttons, e.t.c.). Note that a dialog may be also displayed by a WebView , no...

I'm new to Linux and R. 2 Answers 2 ...

I have been using Knitr via R-Studio, and think it is pretty neat. I have a minor issue though. When I source a file in an R-Chunk, the knitr output includes external comments as follows: ...

I am trying to get the height of the ActionBar (using Sherlock) every time an activity is created (specially to handle configuration changes on rotation where the ActionBar height might change). ...

I'm trying to download and save an image from the web using python's requests module. 14 Answers ...

I have a Computer Science Midterm tomorrow and I need help determining the complexity of these recursive functions. I know how to solve simple cases, but I am still trying to learn how to solve these harder cases. These were just a few of the example problems that I could not figure out. Any help wo...

I'm new to Android programming. What is a simple example showing a custom toast notification on Android? 17 Answers ...

How do I declare an Android UI element using XML? 6 Answers 6 ...