Textbooks for Linear Algebra
Linear Algebra is not what it seems at first thought. Behind all the matrices, polynomials, vectors and spaces, there is a fascinating subject which tools can help you to solve many practical problems. I want to recommend some intuitively clear linear algebra textbooks for self-taught.
How to solve slow boot on Ubuntu
I just installed Ubuntu on my old laptop, and everything seems to work well, except booting the system. It could take several minutes to an hour or more to login desktop. After logging in, there’s a black screen and my cursor, nothing else! I found out that drm_kms_helper-errors
occur repeatedly and takes a lot of time each. What does this mean and how do I fix it? If it can’t be fixed, how do I prevent it from using so much time when booting?
Some piece of curated articles about https explain
For newbies, its difficult to understand all the technical jargon words which just bounce above your head. However its not a rocket science, we would see what https does and how its going to benefit or help us on web.What is https? https is “Hyper Text Transfer Protocol Secure”, the safe way to browse site or page which is encrypted and secure to send or receive private data or information.What is SSL? How it Works? How to Identify Secure Connection?….I’ll share some good pieces to explain it simplely.
Peg Solitaire Game
Peg Solitaire is a game in which you need to remove every piece of pegs from the board except one. To remove a ball, you must jump over it with another one. A valid move is to jump a peg over an adjacent peg into a hole two positions away and then to remove the jumped peg. Only vertical or horizontal movement is allowed in most board types. Diagonal movement is allowed only in the Triagular board. This may sound easy, but without a good strategy, you will get stuck sooner or later.