Category Archives: Social

電信商對 Zero Rating 與網路中立性的問題

在「AT&T users will be able to stream DirecTV Now without using their data」這邊才看到 FCC 在這個月月初針對電信商對特定服務的 zero rating 發出警告:「The FCC tells AT&T it may be violating net neutrality with its DirecTV plans」: AT&T is far from the only US carrier to … Continue reading

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英國通過法案要求 ISP 記錄使用者觀看過的網站

英國前幾天通過了最激烈的隱私侵犯法案,要求 ISP 必須記錄使用者觀看過的網站:「Britain has passed the 'most extreme surveillance law ever passed in a democracy'」: The law forces UK internet providers to store browsing histories -- including domains visited -- for one year, in case of police investigations. 不愧是 George … Continue reading

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Tumber 的 PHP 7

Tumblr 發表了一篇在導入 PHP 7 後的感想:「PHP 7 at Tumblr」。從這兩張圖就可以看得很明白了,Yahoo! 的工程師很滿意結果: 又多了一個推薦的評價...

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Facebook 備份 MySQL 資料並且確認正確性的方法

Facebook 再多花了一些篇幅數對於 MySQL 資料備份以及確認正確性的方法:「Continuous MySQL backup validation: Restoring backups」。 首先是 Continuous Restore Tier (CRT) 這塊,可以看到他們在這塊很仰賴 HDFS 當作備份的第一層基地,包括了 Full logical backups (用 mysqldump)、Differential (diff) backups 以及 Binary log (binlog) backups (stream 進 HDFS)。 另外上了 GTID,對於後續的處理會比較方便: All of our database servers also … Continue reading

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玩 Python 下的 ggplot

在「A Dramatic Tour through Python’s Data Visualization Landscape (including ggplot and Altair)」這邊又再次看到 Python 下的 ggplot,以為還算好裝,但實際上好像有點難裝 XD 我平常用的環境是 pyenv 跑 Python 3.5.2。而跑 ggplot 需要用到 _tkinter,這個模組,而這個模組在 Python 3 應該是內建的... 只要你有先裝 tk-dev @_@ 所以在弄了半天發現這個問題後,先把 tk-dev 補裝上,再重新安裝 Python 3.5.2: $ sudo apt-get install tk-dev … Continue reading

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服務當掉後的偵測

CNN 這篇「Netflix goes down. Twitter blows up」提到了昨天 Netflix 當了好幾個小時的情況。裡面提到了 Down Detector 這個服務: Downdetector -- which monitors outage complaints online -- reported more than 13,000 posts from users all over the world Saturday afternoon. 到 Down Detector 網站上看,這個服務有一部份是從 social network 上挖資料: … Continue reading

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華盛頓郵報的歷史創舉:呼籲對告密者的求刑

在英國衛報與華盛頓郵報因報導 Snowden 事件而拿到 2014 年的普立茲獎後,華盛頓郵報正式公開立場,表達應該將 Snowden 弄回美國受審,而非現在大家在呼籲的特赦:「WashPost Makes History: First Paper to Call for Prosecution of Its Own Source (After Accepting Pulitzer)」。 In doing so, the Washington Post has achieved an ignominious feat in U.S. media history: the first-ever paper … Continue reading

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MasterCard 在英國被告收取過高的手續費

在「Mastercard sued for $19 billion in Britain's biggest damages claim」這邊看到的幾個重點,第一個是歐盟對國際手續費 1% 的限制:(雖然 Brexit...) A lawyer working on the case said Mastercard charged shops fees in excess of 1 percent for card use on international transactions between 1992 and 2008.Although the … Continue reading

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印度的免費 4G...

印度最富有的企業家決定提供免費的 4G 網路讓更多人可以上網:「India's richest man offers free 4G to one billion people」: India's richest man is rolling out a $20 billion mobile network that could bring lightning-fast Internet to hundreds of millions of people. 到 2016 年底: Indians will be … Continue reading

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2012 與 2016 美國總統選舉的變化

在 The Economist 這邊看到圖表,比較 2012 與 2016 年投票的變化:「Who voters supported in the last American election compared with this one」。2016 美國總統選舉將在 11 月初舉辦,這邊是目前的情況。 這張圖表頗清楚的,雖然有些比例不太對... 可以看到兩大黨以外的票比 2012 增加了不少。

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