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There are so many NoSQL systems these days that it's hard to get a quick overview of the major trade-offs involved when evaluating relational and non-relational systems in non-single-server environments. I've developed this visual primer with quite a lot of help (see credits at the end), and it's still a work in progress, so let me know if you see anything misplaced or missing, and I'll fix it. Wi
I was lucky enough at my last job to have a supervisor / team leader who was rational about work. He realized that taking breaks was important. You cannot be “on” all the time. Some people aren’t so lucky. If you work in manual labor or the service industry, your productivity could be measured in hours. How much you get done is based on how long you work. The work is additive. Each hour is basical
The Magic Work Cycle is a powerful productivity technique. It's very simple. Work for thirty minutes, giving all of your attention to whatever project you are working on. After thirty minutes, take a break for thirty minutes. You can do anything you want to take your mind off of your work. Then repeat again with thirty minutes of work.
Technology makes travel easier. MacBook I decided to bring my laptop with me, because I wanted to get a lot of work done while traveling. I wanted to learn a new programming language, contribute more to open source projects, and stay up to date with new startups and tech commentaries. I wish I could say that’s how it played out, but the truth is that I’ve done a poor job of balancing work and play
こんにちはこんにちは。最近お腹痛いばっかり言ってることで有名なiwanagaです。 DeNAは外部的にはプラットフォーム的な部分の方がフィーチャーされることが多いですが、実はソーシャルゲームの提供も行っています。怪盗ロワイヤルとか、どこかで聞いたことがあるのではないでしょうか。 僕はDeNAでソーシャルゲームが誕生した辺りからずっとサーバサイドを見てきましたが、そんな運用の中で自分が貯めてきた知見とかTIPSをご紹介したいと思います。 かれこれ10タイトル近くはレビューしたり運用したりしてるため結構言いたいことはいっぱいあるので、小出しにしつつ評判よければ次も書きます。 ソーシャルゲームのためのMySQL入門一覧 ソーシャルゲームのためのMySQL入門 - Technology of DeNA ソーシャルゲームのためのMySQL入門2 - Technology of DeNA 「MySQL
I work as a professional Perl developer. We have a large and complex system which is built around a lot of Perl. This system has been in use and in place for years, and handles an astonishing amount of load, using thousands of computers to do it. I work with some excellent engineers, who are thoughtful, intelligent, hard-working folks. They want to make the best system they can, and they want i
BitTorrent! You can use the 's' and 'p' keys to add new seeds and peers to the swarm. Hitting 'r' will remove one of the seeds or peers at random, but it takes a few seconds before it activates, just like the original. This visualization originally started off at aphid.org but that site doesn't seem to be up anymore. Jeff Atwood updated it to work with more recent versions of Processing (notably t
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