"Nothing can stop the man with the right mental attitude from achieving his goal; nothing on earth can help the man with the wrong mental attitude." - Thomas Jefferson   |    "We are what we repeatedly do. Excellence, therefore, is not an act but a habit." - Aristotle   |    "If Java had true garbage collection, most programs would delete themselves upon execution." - Robert Sewell   |    "Every artist was first an amateur." - Ralph Waldo Emerson   |    "There is no such thing as luck; there is only adequate or inadequate preparation to cope with a statistical universe." - Robert Heinlein   |    "The big secret in life is that there is no big secret. Whatever your goal, you can get there if you're willing to work." - Oprah Winfrey   |    "Good luck' follows careful preparation; 'bad luck' comes from sloppiness." - Robert Heinlein   |    "Nothing great was ever achieved without enthusiasm." - Ralph Waldo Emerson   |    "The more difficulties one has to encounter, within and without, the more significant and the higher in inspiration his life will be" - Horace Bushnell   |    "Our doubts are traitors, and make us lose the good we oft might win, by fearing to attempt." - William Shakespeare   |    "The more you learn, the more you need to learn." - Robert Heinlein   |    "The talent of success is nothing more than doing what you can do, well." - Henry W. Longfellow   |    "We are still masters of our fate. We are still captains of our souls." - Winston Churchill   |    "Success is the sum of small efforts, repeated day in and day out." - Robert Collier   |    "Take calculated risks. That is quite different from being rash." - George S. Patton   |    "Perl - The only language that looks the same before and after RSA encryption." - Keith Bostic   |    Hofstadter's Law: It always takes longer than you expect, even when you take into account Hofstadter's Law.   |    "Nothing will ever be attempted if all possible objections must first be overcome." - Samuel Johnson   |   

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O(…) complexity of common algorithms – cheat sheet

http://bigocheatsheet.com/, Very useful in certain situations, this website lists the complexity costs for common operations for common algorithms used in computing today. You should know all of these by heart of course, but you should also easily and quickly be able to find the pieces you don’t know!

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