Sometimes I need to test my app or try some new apps on main Android devices available on the market. Of course I don’t want to install them on my working cellphone. Under such circumstances, I prefer installing a virtual machine on my PC and testing whatever on it. Here in this post, I provide a way to run Android in Virtualbox.
I just found that Gmail can automatically detect receipts from PayPal, Google Play and Google Checkout, order confirmations from eBay, Amazon and other shopping sites. Try to search label:^smartlabel_receipt in your Gmail!!!
The following content is totally copied from the website of A Course in Machine Learning.
CIML is a set of introductory materials that covers most major aspects of modern machine learning (supervised learning, unsupervised learning, large margin methods, probabilistic modeling, learning theory, etc.). It’s focus is on broad applications with a rigorous backbone. A subset can be used for an undergraduate course; a graduate course could probably cover the entire material and then some.
This book is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it or re-use it under the terms of the CIML License online at ciml.info/LICENSE. You may not redistribute it yourself, but are encouraged to provide a link to the CIML web page for others to download for free. You may not charge a fee for printed versions, though you can print it for your own use.