Friends

“It is one of the blessings of old friends that you can afford to be stupid with them.”
— Ralph Waldo Emerson

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Exclude directories from chown

There's been times when I needed to recursively change ownership of files in a directory but leave certain files alone (e.g. snapshot folders). Came across a highly useful post from Posteet on how to do it. In my case, I needed to exclude directories owned by root and the .snapshot directory. So # find . -xdev -name .snapshot -or -user root -prune -print | xargs chown < user> :< group>
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Flash game: Cargo Bridge

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I came across this fun little puzzle game called Cargo Bridge on Kongregate . Most levels are quite do-able (with lots of walkthroughs available if you're stuck). Thus I shall only post solutions for the more difficult levels. Oh, and the game is a little buggy so if solutions which should work keeps failing for some reason, try deleting the offending joint and rebuilding. Or quit to the main menu and restart the level. Level 12: A non-optimal-but-definitely-works solution for those who are stuck. =) Level 16: This level is quite a pain. One of the suggested solutions on the walkthrough actually had an arched bridge which didn't work well for me as the little guy got stuck. I then came across another solution which was flat, but broke too easily. Thus I modified the support structure and hey presto, it worked! Level 18: Probably one of the most difficult levels. Thanks to Tasselfoot for his walkthrough on YouTube for giving birth to this solution. Don't worry if...
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[Review] Economics 101

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Economics 101 by Alfred Mill is an introduction to the study of economics without the heavy jargon and confusing terminology of traditional economics textbooks. I had tried multiple times before to gain an understanding of economics such as demand and supply, and how monetary policies affects the economy but could never get past the first two or three chapters. Economics 101 caught my eye at the local library with its promise to "cut out the boring explanations" and help the reader "master the major principles of finance". I am glad to say that it delivered on its promise, at least in my opinion. Alfred Mill wrote Economics 101 in a friendly and personal way, with many applicable examples to illustrate economics concepts. For example, Alfred provides the following example to show how free trade creates wealth in the opening for the chapter on International Trade and Trade Barriers: "Wealth is nothing more than the collective value of all you own. In an...
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