Monthly Archives: January 2016

18F 丟出 CSS 的代碼風格指南

好幾個禮拜前的東西,這幾天才上 Hacker News:「Introducing the CSS coding style guide」。 18F 是美國政府的官方單位,取名自辦公室所在的地址:(取自 Wikipedia 的「18F」說明) Its name refers to its office location in northwest Washington, D.C., on 18th and F Streets. 不只是定義了 CSS Coding Style Guide,還給了 SCSS Lint 工具使用: The styleguide provides a … Continue reading

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Linode 的被攻擊報告

Linode 這陣子一直被 DDoS 攻擊,前幾天放出報告:「The Twelve Days of Crisis – A Retrospective on Linode’s Holiday DDoS Attacks」。 其中這段提到了一些數字,Linode 有個小機房有 40Gbps 的能力,但以現在的 DDoS 規模會馬上爆掉: Linode’s capacity management strategy for IP transit has been simple: when our peak daily utilization starts approaching 50% … Continue reading

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MySQL 上 InnoDB 與 RocksDB 的差異

Mark Callaghan 在「MyRocks vs InnoDB with Linkbench over 7 days」這邊分析了 MySQL 上的兩個 engine 的差異,總結是大獲全勝: InnoDB writes between 8X and 14X more data to SSD per transaction than RocksDB RocksDB sustains about 1.5X more QPS Compressed/uncompressed InnoDB uses 2X/3X more SSD … Continue reading

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從 Chrome 50 開始,HTTP 網頁內將禁用 Geolocation 功能

在 Twitter 上看到如標題所說的,從 Google Chrome 50 開始 (現在正式版本是 48),HTTP 網頁將禁用 Geolocation API: Starting in Chrome 50, geolocation will not be available in insecure contexts (i.e. only HTTPS embedded in HTTPS): https://t.co/2L6hlzkXnw — Joel Weinberger (@metromoxie) January 21, 2016 對隱私保護的加強。

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最近電腦圍棋的兩個突破...

昨天先看到 Mark Zuckerberg 丟出來的資訊,比較完整的資料可以在「Better Computer Go Player with Neural Network and Long-term Prediction」這邊看到。 Facebook 這邊的成就在於用 DCNN-based model 改善效率,可以用一台電腦 (包括 GPU) 維持在 KGS 5d (業餘五段),跟 Zen19 差不多的棋力,跟目前最好的電腦圍棋軟體棋力差不多: darkfmcts3now holds a stable KGS 5d level, on par with the top Go AIs, … Continue reading

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Love your country, but never trust its government

從 Hacker News Daily 上看到的,在 Sun-2 的 bootloader 裡可以看到「Love your country, but never trust its government」這樣的字串:「Why the Sun 2 has the message "Love your country, but never trust its government"」。 這段字串是由 John Gilmore 當時在 Sun 開發時所放入的,John Gilmore 同時也是後來 EFF 創辦人之一,不過當初放入這段字串的目的是為了抓到盜版: … Continue reading

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YouTube 支援 Loop 功能 (重複播放)

在「YouTube Loop」這邊看到 YouTube 支援 Loop 了,在影片上按右鍵: 而且作者也有提到,在外嵌的影片也支援: It also works for embedded videos. 以前要找外掛或是某些網站幫你,官方支援後省不少事 XD

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Composer 出現 lock file out of date 的解法

之前也有遇到,結果 Lorna Jane Mitchell 寫了一篇「Handling Composer "lock file out of date" Warning」給了不少解法。 第一種是 composer upgrade,直接全部升級。 第二種是先用 composer update --dry-run 看看是不是有人加到 composer.json 後忘記更新,如果是的話再用 composer update [package] 處理。 第三種是用 composer update nothing 閉上眼睛更新 hash 值,當作什麼都沒看到 XDDD Sometimes this is the right answer … Continue reading

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Adobe Typekit 對 PageSpeed 的妥協

Adobe Typekit 是個收費的網頁字型服務,為了讓變更可以儘快生效,用了比較短的 cache time: We use a short cache time for the kit JavaScript so that you can update your kit (for example, adding fonts, or changing the list of allowed domains) and have your changes live in a … Continue reading

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