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Oracle高性能自動(dòng)化運(yùn)維
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本書共10章,分為三篇:基礎(chǔ)篇、優(yōu)化篇、方法篇。基礎(chǔ)篇(第1~4章)主要介紹了Linux環(huán)境下Oracle內(nèi)存體系架構(gòu)的組成和功能,同時(shí)對(duì)Oracle日志與回滾段內(nèi)容進(jìn)行了講解,在幫助讀者深入理解Oracle知識(shí)體系的同時(shí),為后續(xù)數(shù)據(jù)庫(kù)優(yōu)化及備份恢復(fù)打下基礎(chǔ)。優(yōu)化篇(第5~6章)主要介紹了OracleSQL優(yōu)化的原理和思想,并結(jié)合CBO優(yōu)化器對(duì)Oracle優(yōu)化進(jìn)行探索。其中,SQL優(yōu)化原理和思想是CBO優(yōu)化的基礎(chǔ),將兩者結(jié)合即可提供Oracle數(shù)據(jù)庫(kù)優(yōu)化參考。方法篇(第7~10章)主要講解了Oracle備份恢復(fù)的原理,以及如何制訂符合自身數(shù)據(jù)庫(kù)特點(diǎn)的Oracle備份恢復(fù)計(jì)劃。同時(shí),結(jié)合自動(dòng)化運(yùn)維管理系統(tǒng)、自動(dòng)化歷史分析系統(tǒng)及自動(dòng)化實(shí)時(shí)監(jiān)控系統(tǒng)對(duì)數(shù)據(jù)庫(kù)自動(dòng)化運(yùn)維進(jìn)行實(shí)踐,幫助數(shù)據(jù)庫(kù)維護(hù)人員從大量重復(fù)煩瑣的運(yùn)維工作中解放出來(lái),實(shí)現(xiàn)高效率、自動(dòng)化的數(shù)據(jù)庫(kù)管理。

冷菠 ·數(shù)據(jù)庫(kù) ·8.6萬(wàn)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(kù) ·8.6萬(wàn)字

檢索匹配:深度學(xué)習(xí)在搜索、廣告、推薦系統(tǒng)中的應(yīng)用
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《檢索匹配:深度學(xué)習(xí)在搜索、廣告、推薦系統(tǒng)中的應(yīng)用》主要介紹了深度學(xué)習(xí)在互聯(lián)網(wǎng)核心的三大類業(yè)務(wù)(搜索、廣告、推薦系統(tǒng))檢索系統(tǒng)中的應(yīng)用。書中詳細(xì)講述了檢索匹配的理論、演進(jìn)歷史,以及在業(yè)務(wù)中落地一個(gè)基于深度學(xué)習(xí)算法模型的全流程技能,包括業(yè)務(wù)問(wèn)題建模、樣本準(zhǔn)備、特征抽取、模型訓(xùn)練和預(yù)測(cè)等,并提供了相應(yīng)的代碼。《檢索匹配:深度學(xué)習(xí)在搜索、廣告、推薦系統(tǒng)中的應(yīng)用》共11章,分為四大部分。第1部分(第1~2章)介紹了深度學(xué)習(xí)的相關(guān)理論知識(shí);第2部分(第3~6章)介紹了業(yè)務(wù)中如何上線一個(gè)深度學(xué)習(xí)模型,包括標(biāo)簽拼接、特征抽取、模型訓(xùn)練和預(yù)測(cè)等流程,采用單機(jī)實(shí)現(xiàn);第3部分(第7~9章)介紹了檢索算法基本理論以及演進(jìn)歷史,并以業(yè)內(nèi)應(yīng)用較為廣泛的雙塔模型DSSM為例進(jìn)行了詳細(xì)理論解析和代碼實(shí)現(xiàn);第4部分(第10~11章)介紹了如何將單機(jī)訓(xùn)練模式改造為分布式訓(xùn)練模式,以加快模型的訓(xùn)練速度,從而應(yīng)對(duì)具有海量樣本的業(yè)務(wù)場(chǎng)景。

康善同編著 ·數(shù)據(jù)庫(kù) ·8.5萬(wàn)字

Modern Programming: Object Oriented Programming and Best Practices
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Discovertheuntappedfeaturesofobject-orientedprogramminganduseitwithothersoftwaretoolstocodefast,efficientapplications.KeyFeatures*Explorethecomplexitiesofobject-orientedprogramming(OOP)*DiscoverwhatOOPcandoforyou*LearntousethekeytoolsandsoftwareengineeringpracticestosupportyourownprogrammingneedsBookDescriptionYourexperienceandknowledgealwaysinfluencetheapproachyoutakeandthetoolsyouusetowriteyourprograms.Withasoundunderstandingofhowtoapproachyourgoalandwhatsoftwareparadigmstouse,youcancreatehigh-performingapplicationsquicklyandefficiently.Inthistwo-partbook,you’lldiscovertheuntappedfeaturesofobject-orientedprogramminganduseitwithothersoftwaretoolstocodefastandefficientapplications.ThefirstpartofthebookbeginswithadiscussiononhowOOPisusedtodayandmovesontoanalyzetheideasandproblemsthatOOPdoesn’taddress.ItcontinuesbydeconstructingthecomplexityofOOP,showingyouitsfundamentallysimplecore.You’llseethat,byusingthedistinctiveelementsofOOP,youcanlearntobuildyourapplicationsmoreeasily.Thenextpartofthisbooktalksaboutacquiringtheskillstobecomeabetterprogrammer.You’llgetanoverviewofhowvarioustools,suchasversioncontrolandbuildmanagement,helpmakeyourlifeeasier.Thisbookalsodiscussestheprosandconsofotherprogrammingparadigms,suchasaspect-orientedprogrammingandfunctionalprogramming,andhelpstoselectthecorrectapproachforyourprojects.Itendsbytalkingaboutthephilosophybehinddesigningsoftwareandwhatitmeanstobea"good"developer.Bytheendofthistwo-partbook,youwillhavelearnedthatOOPisnotalwayscomplex,andyouwillknowhowyoucanevolveintoabetterprogrammerbylearningaboutethics,teamwork,anddocumentation.Whatyouwilllearn*Untanglethecomplexityofobject-orientedprogrammingbybreakingitdowntoitsessentialbuildingblocks*RealizethefullpotentialofOOPtodesignefficient,maintainableprograms*Utilizecodingbestpractices,includingTDD,pairprogrammingandcodereviews,toimproveyourwork*Usetools,suchassourcecontrolandIDEs,toworkmoreefficiently*Learnhowtomostproductivelyworkwithotherdevelopers*BuildyourownsoftwaredevelopmentphilosophyWhothisbookisforThisbookisidealforprogrammerswhowanttounderstandthephilosophybehindcreatingsoftwareandwhatitmeanstobe“good”atdesigningsoftware.ProgrammerswhowanttodeconstructtheOOPparadigmandseehowitcanbereconstructedinaclear,straightforwardwaywillalsofindthisbookuseful.Tounderstandtheideasexpressedinthisbook,youmustbeanexperiencedprogrammerwhowantstoevolvetheirpractice.

Graham Lee ·數(shù)據(jù)庫(kù) ·8.5萬(wàn)字

Access 2010數(shù)據(jù)庫(kù)程序設(shè)計(jì)實(shí)踐教程
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本書是主教材《Access2010數(shù)據(jù)庫(kù)程序設(shè)計(jì)》(邵敏敏、董保蓮、張楠主編,中國(guó)鐵道出版社出版)的配套實(shí)驗(yàn)教材。本書內(nèi)容包含課程實(shí)驗(yàn)指導(dǎo)與全國(guó)計(jì)算機(jī)等級(jí)考試指導(dǎo)兩部分。課程實(shí)驗(yàn)指導(dǎo)主要內(nèi)容是與主教材同步的實(shí)驗(yàn)以及全國(guó)計(jì)算機(jī)等級(jí)考試真題練習(xí)與解析,全國(guó)計(jì)算機(jī)等級(jí)考試指導(dǎo)主要包括全國(guó)計(jì)算機(jī)等級(jí)二級(jí)(Access數(shù)據(jù)庫(kù)程序設(shè)計(jì))考試介紹以及模擬試題與解析。本書內(nèi)容豐富,覆蓋面廣,有利于學(xué)生鞏固所學(xué)的知識(shí),提高學(xué)生的操作能力與綜合應(yīng)用能力。本書適合作為高等學(xué)校非計(jì)算機(jī)專業(yè)“數(shù)據(jù)庫(kù)技術(shù)及應(yīng)用”課程的實(shí)驗(yàn)教材,也可作為全國(guó)計(jì)算機(jī)等級(jí)考試二級(jí)(Access數(shù)據(jù)庫(kù)程序設(shè)計(jì))的培訓(xùn)教材,對(duì)從事數(shù)據(jù)庫(kù)應(yīng)用系統(tǒng)開(kāi)發(fā)的初學(xué)者也具有參考價(jià)值。

張權(quán) 劉娟娟 ·數(shù)據(jù)庫(kù) ·8.4萬(wàn)字

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