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              江湖再無Java EE+HackerRank 開發者調查報告:Python 最受歡迎【馬哥教育早報-212期】

              2018年03月06日 星期二

              【馬哥教育新聞快報212期】

              導讀:江湖再無Java EE+HackerRank 開發者調查報告:Python 最受歡迎


              每日一句


              受挫受辱之時,務須咬牙勵志,蓄其氣而長其智。


              早報內容


              0.運維利器 RunDeck 2.10.7 發布,服務器自動化操作

              RunDeck 2.10.7 已發布,RunDeck 是用 Java/Grails 寫的開源工具,幫助用戶在數據中心或者云環境中自動化各種操作和流程。通過命令行或者 web 界面,用戶可以對任意數量的服務器進行操作,大大降低了對服務器自動化的門檻。

              1.江湖再無Java EE – 開源組織將其更名為Jakarta

              2017年8月,Oracle(甲骨文)決定將Java EE(Java Enterprise Edition)移交給開源組織,最后Eclipse基金會接手。這應該是甲骨文實現對Java品牌控制的最新舉措,盡管之前Sun的資產已經被甲骨文圍剿得只剩一個VirtualBox還能喘口氣。

              不過,甲骨文可不允許開源組織用Java的名號,于是Eclipse選出了 “Jakarta EE” 和”Enterprise Profile”兩個后續按名字,最終前者以64.4%的票數獲勝。

              也就是說,Java EE已經正式更名為Jakarta EE(雅加達)。

              2.HackerRank 開發者調查報告:Python 最受歡迎

              國外招聘網站 HackerRank 去年曾進行了一次開發者調查,調查主要圍繞開發者的開發技能、教育背景、當前角色等內容,用以了解開發者的工作意向和現狀。該調查收到了約 2.5 萬個開發者的回應,包含在業人士和在校學生。HackerRank 于 2018 年 3 月 1 日對外發布了關于調查結果的高級報告。

              調查顯示,約 65% 的受訪者是在 16-20 歲時開始編碼。

              對于在校學生來說,最喜歡的編程語言前五名分別為:Python、C++、Java、C 和 Javascript 。

              對于開發從業者,入選前五的編程語言和上面的投票結果相同,但排名有所差異。Python 依然是最受歡迎的語言,之后是 Java、Javascript、C 和 C++ 。

              3.研究人員發現4G LTE網絡協議漏洞

              四名美國大學的研究人員發現了 4G LTE 協議中的問題,利用這個漏洞可以進行虛假信息的編造,還可以監聽用戶和地址追蹤。

              在5G正在部署的當下階段,我們也應當注意本次發現的 4G 問題:漏洞是出現在 LTE 協議之中,這意味著該漏洞可能會波及到整個行業。

              漏洞對于用戶設備能夠影響到的環節是:

              1. 連接環節 :即將用戶設備與網絡相關聯的過程(例如,用戶打開手機)

              2. 分離環節:用戶關閉設備,網絡會與設備斷開連接的過程(又如,由于信號質量差無法進行網絡驗證)

              3. 尋呼環節: 本環節本是建立呼叫的一部分,通常用于強制設備重新獲取系統信息,并用于緊急警報

              4.騰訊將在貴州建數據中心 正在兩座山里挖洞

              馬化騰透露說,騰訊現在正在貴州的兩座山里挖洞,要打造一個全國最安全的數據中心,而且里面恒溫恒濕,PUE也就是空調能耗損耗是最低的,可以達到一點零幾到一點一左右,非常低,而且非常安全。

              “我希望能把最好最重要的數據存儲到這里面,或者是我們的云、客戶以及工業云等這些最重要的數據也能夠存儲到這里面去。我覺得貴州也有很大的優勢,應該快挖完了,幾個月之后應該可以裝服務器了。”


              【每日一個知識點】


              【每日一個知識點第98期-Linux】

              問題:Linux系統安全之logrotate命令解析

              答案:http://www.iphonele.com/75258.html

              【每日一個知識點第99期-Python】

              問題:Python位運算符有哪些?

              答案:http://www.iphonele.com/75263.html


              【近期開班】


              Linux面授班30期:2018年03月26日(北京)

              Python面授班10期:2018年03月05號(北京)

              Python網絡班11期:2018年03月17號(網絡)

              相關新聞

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