???C/C++?????С????
???????????? ???????[ 2014/9/15 10:47:53 ] ??????????????? C++ ????
????16. ????????????????????????? +=??-=??*=??/=????????+??-??*??/
?????????????????????????????????????????м????
????????Vector v = Vector(1??0??0) + Vector(0??1??0) + Vector(0??0??1) ???????5??δ???????????Vector??Vector(1??0??0)?? Vector(0??1??0)??Vector(0??0??1)??Vector(1??0??0) + Vector(0??1??0)?????Vector(1??0??0) + Vector(0??1??0) + Vector(0??0??1)??
???????????????????Vector v(1??0??0); v+= Vector(0??1??0); v+= Vector(0??0??1); ??????????????2?????Vector??Vector v(1??0??0) ??Vector(0??0??1)?????????6???????????3???????3??????????
????17. ????????????????????????+??-??*??/????????+=??-=??*=??/=
????18. ?????????????????
?????????????????????????????????????????????
?????????????????????????????????????if???????????????????????壬????????????????????????????????????
????19. ?????????????????????????++obj????????????????????obj++??
???????????????????У????????????????
??????????????????????ú??????????????????????????????????????????????????????????????????????
????20. ???????
??????????????????????????????????
???????????STL???????????????????????????????????????????????????????
??????????????????????????????????????????????Ч????÷????
????????????????????????????????STL???????????????????????????????Debug?汾??????????????????STL?????????????????????????????15%????????????????????????????
????21. ?????????б??????????
?????????????????????洢?????????????????????????????????н??????
??????????????????????????????洢???????????????????????????????????????????????ó????????????????????????????棬?????Щ?????????????????????????????????????
?????????????????У??????????????????????????????????????????Щ??????????????С?????顣
????22. ????????????й?????????Cache?????????
????ü ?????????????С??????????Cache?У?????????????????????ж????Σ?
????ü ??????е?????????????Cache???(???????????С??Cache????128?????????1??????????Cache?ж?????127?????????Cache???????????????????)
????23. ?????????????????
?????????????????????棬??????memset()????
????24. ???????????????ж?????????
??????????????????????????????????????????β????????????????????
???????????ж????????????????????????t?????????????????????????????????????????????????????????ν???????????????????????????????????????????????????????????
???????????Щ?????????????????????磬?????????????У?????????????????????????κν????????????????????
????25. ????????????????
??????????У????????????Щ????????£????????????
?????????????????Щ???????????????????Щ????????е?????????????????????????????????????????
????26. ???????????????????32λ????????64λ???????????????????????????????е??????
???????CPU???и?????????????????????????????????????????????????????????????????????????????????????????????????????????ζ??????????Щ????????????????
???????????????????????????????????????????????64λ???????????????????????????????????????????????????double????????float?????е????
????27. ?????????д???????????????????????
????sqrt()????????????????????????????????????????????
????????????????????x?????????1/x??????????????????????????У?3?γ?????????????????????????????????????????????????????????????????????????????????
????????????????????????????Щ??????й????????????????????
???????????????????????????е?????????????ε???????????????Consider if you can compute values in a loop incrementally (instead of computing from scratch each iteration).
?????????????????????????????????????????????????ε??????????????????????????У????t????????е?????@clover_toeic??????
???????????????????????漰???????????????????SPASVOС??(021-61079698-8054)?????????????????????????
??????
??C++????????????C++ lvalue??rvalueC++11????????C++???????????????C++?е?????????????????C++?????????C++???Windows????λ??C/C++???????????????????JAVA??C??C++??????????c++??python???????????????????????????????C++???????C++?е????????C++????????????????C++ ???????????????C++?????????????????????C++????????????
???·???
??????????????????
2023/3/23 14:23:39???д?ò??????????
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2021/5/28 17:25:47??????APP??????????
2021/5/8 17:01:11????????
?????????App Bug???????????????????????Jmeter?????????QC??????APP????????????????app?????е????????jenkins+testng+ant+webdriver??????????????JMeter????HTTP???????Selenium 2.0 WebDriver ??????