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Internet of Things Programming with JavaScript
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LearntheartofbringingtheInternetofThingsintoyourprojectswiththepowerofJavaScriptAboutThisBook?ThisisapracticalguidetohelpyouconfigureandbuildacompletedistributedIoTsystemfromscratchusingJavaScript?UtilizethepowerofNodeandHTML5todevelopwebservicesandacentralizedwebserver,enablinghigh-levelcommunicationbetweenconnecteddevices?ControlallyourconnecteddevicesfromthebrowserbysettingupacommondashboardWhoThisBookIsForThisbookisfordeveloperswhoareinterestedinlearninghowtocommunicatewithconnecteddevicesinJavaScripttosetupanIoTsystem.SomebasicknowledgeofJavaScriptisexpected.HobbyistswhowanttoexplorethepotentialofIoTinJavaScriptwillalsofindthisbookuseful.WhatYouWillLearn?DeveloptheskillstoconnecteddevicespreparedthefieldtointeractwiththedevicesinanetworksystemInternetofThings?Findouthowtoconnectsensorsandactuatorstothedevices?Senddatatoawebserverconnecteddevices?UnderstandInternetofthingsusingwebservicesanddatabase?ConfigureadashboardusingHTML5andJavaScript?Controldevicesconnectedfromadashboard?Monitordifferentdevicesfromthedashboard?BuildanappforasmartphonetocontroldifferentdevicesInDetailTheInternetofThings(IoT)isanentirelynewplatformfordevelopersandengineers,butonethingthatremainsconsistentaswemoveintothisnewworld,aretheprogramminglanguages.JavaScriptisthemostwidelyusedlanguageovertheInternet,andwithIoTgainingmomentum,youwilllearnhowtoharnessthepowerofJavaScripttointeractwithconnecteddevices.ThisbookwillteachyouhowtointeractwithendpointdevicesbydevelopingwebservicesinJavaScriptandalsosetupaninterfacetocontrolallconnecteddevices.Thisbookbeginswithsettingupacentralizedwebserverthatservesasahubforallconnecteddevices.Thebookthenprogressesfurthertowardsbuildingwebservicestofacilitatehigh-levelcommunicationbetweenconnecteddevices.UsingArduinoandRaspberryPiZeroasendpointdevices,thebookwillshowyouhowdevicescancommunicatewitheachother,performawiderangeoftasks,andalsobecontrolledfromacentralizedlocationusingJavaScript.Thebookendswithcreatingahybridapptocontrolthedevicesthatcanberunfromabrowserorinstalledonasmartphone.StyleandapproachThisbookoffersstep-by-stepguidanceonhowtosetupadistributedIoTsystemusingJavaScript.ItwillteachyouhowtointeractwithendpointdevicesbydevelopingwebservicesinJavaScriptandalsosetupaninterfaceforcontrollingallconnecteddevices.

Rubén Oliva Ramos ·數(shù)據(jù)庫 ·2.6萬字

Internet of Things with Python
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InteractwiththeworldandrapidlyprototypeIoTapplicationsusingPythonAboutThisBook?RapidlyprototypeevencomplexIoTapplicationswithPythonandputthemtopracticaluse?EnhanceyourIoTskillswiththemostup-to-dateapplicabilityinthefieldofwearabletech,smartenvironments,andhomeautomation?Interactwithhardware,sensors,andactuatorsandcontrolyourDIYIoTprojectsthroughPythonWhoThisBookIsForThebookisidealforPythondeveloperswhowanttoexplorethetoolsinthePythonecosysteminordertobuildtheirownIoTapplicationsandworkonIoT-relatedprojects.ItisalsoaveryusefulresourcefordeveloperswithexperienceinotherprogramminglanguagesthatwanttoeasilyprototypeIoTapplicationswiththeIntelGalileoGen2board.WhatYouWillLearn?PrototypeanddevelopIoTsolutionsfromscratchwithPythonastheprogramminglanguage?DevelopIoTprojectswithIntelGalileoGen2boardalongwithPython?WorkwiththedifferentcomponentsincludedintheboardsusingPythonandtheMRAAlibrary?Interactwithsensors,actuators,andshields?WorkwithUARTandlocalstorage?InteractwithanyelectronicdevicethatsupportstheI2Cbus?Allowmobiledevicestointeractwiththeboard?Workwithreal-timeIoTandcloudservices?UnderstandBigDataandIoTanalyticsInDetailInternetofThings(IoT)isrevolutionizingthewaydevices/thingsinteractwitheachother.AndwhenyouhaveIoTwithPythononyourside,you'llbeabletobuildinteractiveobjectsanddesignthem.Thisbookletsyoustayattheforefrontofcutting-edgeresearchonIoT.We'llopenupthepossibilitiesusingtoolsthatenableyoutointeractwiththeworld,suchasIntelGalileoGen2,sensors,andotherhardware.Youwilllearnhowtoread,write,andconvertdigitalvaluestogenerateanalogoutputbyprogrammingPulseWidthModulation(PWM)inPython.Youwillgetfamiliarwiththecomplexcommunicationsystemincludedintheboard,soyoucaninteractwithanyshield,actuator,orsensor.Lateron,youwillnotonlyseehowtoworkwithdatareceivedfromthesensors,butalsoperformactionsbysendingthemtoaspecificshield.You'llbeabletoconnectyourIoTdevicetotheentireworld,byintegratingWiFi,Bluetooth,andInternetsettings.Witheverythingready,youwillseehowtoworkinrealtimeonyourIoTdeviceusingtheMQTTprotocolinpython.Bytheendofthebook,youwillbeabletodevelopIoTprototypeswithPython,libraries,andtools.StyleandapproachThisbooktakesatutorial-likeapproachwithmissioncriticalchapters.Theinitialchaptersareintroductionsthatsetthepremiseforusefulexamplescoveredinlaterchapters.

Gastón C. Hillar ·數(shù)據(jù)庫 ·8.6萬字

軟件成本度量國家標(biāo)準(zhǔn)實(shí)施指南:理論、方法與實(shí)踐
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為落實(shí)工業(yè)和信息化部優(yōu)化軟件產(chǎn)業(yè)環(huán)境的工作部署,進(jìn)一步推動(dòng)功能規(guī)模測量、軟件開發(fā)成本度量、軟件測試成本度量、IT運(yùn)維成本度量和云服務(wù)計(jì)量指標(biāo)等方面的標(biāo)準(zhǔn)推廣及深化應(yīng)用,本書系統(tǒng)地闡述軟件成本度量理論體系,深入解讀軟件成本度量標(biāo)準(zhǔn)內(nèi)容及實(shí)施要點(diǎn),結(jié)合不同場景及典型案例給出具體的應(yīng)用指導(dǎo)。本書正文分5個(gè)部分,共11章。第一部分是軟件成本度量概述和軟件規(guī)模測量方法(第1~2章),第二部分是GB/T36964—2018《軟件工程軟件開發(fā)成本度量規(guī)范》標(biāo)準(zhǔn)解讀、實(shí)施指南和案例分析(第3~5章),第三部分是GB/T32911—2016《軟件測試成本度量規(guī)范》標(biāo)準(zhǔn)解讀、實(shí)施指南和案例分析(第6~8章),第四部分是其他軟件相關(guān)成本度量標(biāo)準(zhǔn)(第9~10章),對(duì)IT運(yùn)維成本度量(國標(biāo)在研)和GB/T37735—2019《信息技術(shù)云計(jì)算云服務(wù)計(jì)量指標(biāo)》進(jìn)行介紹,第五部分是軟件成本度量相關(guān)技術(shù)展望(第11章)。本書還包含5個(gè)附錄:附錄A中國軟件行業(yè)基準(zhǔn)數(shù)據(jù)(2019年),該數(shù)據(jù)可作為軟件研發(fā)與測試成本測算的依據(jù);附錄B涉及本書標(biāo)準(zhǔn)實(shí)施的常見問題及回答(Q&A),附錄C標(biāo)準(zhǔn)術(shù)語和定義,附錄D快速功能點(diǎn)分析方法介紹,附錄E調(diào)整因子參數(shù)表。

張旸旸 ·數(shù)據(jù)庫 ·11.7萬字

數(shù)據(jù)庫應(yīng)用技術(shù)
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本書是一本研究報(bào)告,圍繞工程技術(shù)人員專業(yè)水平評(píng)價(jià)的制度建立和體系構(gòu)建開展了深入研究,以歷史資料研究和專家訪談為基礎(chǔ),回顧我國職稱制度的歷史沿革和存在的問題,提出了建立符合中國國情的工程師制度的必要性、緊迫性和對(duì)創(chuàng)新我國專業(yè)技術(shù)人員評(píng)價(jià)制度的思考;以覆蓋18家全國學(xué)會(huì)的調(diào)查和汽車行業(yè)的典型調(diào)查為基礎(chǔ),分析專業(yè)技術(shù)人員對(duì)我國現(xiàn)行職稱制度改革的建議、參與社會(huì)評(píng)價(jià)的意向和對(duì)改進(jìn)評(píng)價(jià)標(biāo)準(zhǔn)、程序、方式等方面的建議;分析了人才培養(yǎng)體系對(duì)工程技術(shù)人員成長的影響;圍繞工程技術(shù)人員管理制度的相關(guān)問題展開研究,基于對(duì)典型國家相關(guān)制度的比較研究和我國國情客觀分析,提出了我國工程技術(shù)人員注冊(cè)制度的框架體系設(shè)計(jì)構(gòu)想以及在專業(yè)水平評(píng)價(jià)中科學(xué)合理界定專業(yè)領(lǐng)域的基本原則和思路,并研究總結(jié)了我國目前職稱評(píng)審的理論和方法研究進(jìn)展。

欒志軍 呂海洋 付海娟主編 ·數(shù)據(jù)庫 ·13.4萬字

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