草庐IT

c++ - 将两个数字合二为一。示例 : 123 and 456 become 123456

在C++中,如何将两个整数组合(注意:不是相加)为一个大整数?例如:int1=123;int2=456;有没有一个函数可以把这两个数字变成123456?编辑:我没有解释清楚。如果int2为0,那么答案应该是123,而不是1230。实际上,如果int2超过32位限制,则int1(左侧的数字)只有一个值。所以当int2为0时,int1为0(或垃圾,我不确定)。 最佳答案 第一个数乘以十的幂是最小的,大于第二个数:intcombine(inta,intb){inttimes=1;while(times

ruby-on-rails - 如何在 Rails 中使用 becomes

我有一个Post类和一个Comment类。我有一个帖子对象,想将其转换为评论对象。我浏览了Railsapi并发现becomes(klass)。目前,帖子和评论之间没有关联。所以我尝试了@post.becomes(Comment)但是找不到@post对象的方法。我错过了什么吗? 最佳答案 将您希望两个模型都使用的方法放在一个模块上。然后将该模块包含在两个模型中。 关于ruby-on-rails-如何在Rails中使用becomes,我们在StackOverflow上找到一个类似的问题:

Meet Zhu Gang, How an Art Student Chose to Become a Programmer

A鈥渢ypical鈥?programmerwhois鈥渘otthattypical鈥?/strong>Whenwefirstmet,ZhuGanggavetheimpressionthathewasverymuchinlinewiththepublicperceptionoftheimageoftheprogrammer.Comparedwithcommunicatingwithmachines,hewouldbemorenervouswithpeople;Heisabitofreserved,easy-going,alwayssmiling,butwillkeeptalkingunderth

Meet Zhu Gang, How an Art Student Chose to Become a Programmer

A鈥渢ypical鈥?programmerwhois鈥渘otthattypical鈥?/strong>Whenwefirstmet,ZhuGanggavetheimpressionthathewasverymuchinlinewiththepublicperceptionoftheimageoftheprogrammer.Comparedwithcommunicatingwithmachines,hewouldbemorenervouswithpeople;Heisabitofreserved,easy-going,alwayssmiling,butwillkeeptalkingunderth

Interview with Li Jiansheng: How Did I Choose to Become an Open Source Evangelist?

LiJiansheng,alsoknownbyhispennameKuoSi,isanopen-sourceevangelist,creatoroftheOpenSourceWaycommunity,andauthorof"TheMythsofOpenSource",atrilogyaboutopen-sourceachievements.AchanceencounterwithaRedHatLinux7.3CDchangedLiJiansheng'slifeandledhimheadlongintotheopen-sourcecommunity.Overnearlytwodecades,he

Interview with Li Jiansheng: How Did I Choose to Become an Open Source Evangelist?

LiJiansheng,alsoknownbyhispennameKuoSi,isanopen-sourceevangelist,creatoroftheOpenSourceWaycommunity,andauthorof"TheMythsofOpenSource",atrilogyaboutopen-sourceachievements.AchanceencounterwithaRedHatLinux7.3CDchangedLiJiansheng'slifeandledhimheadlongintotheopen-sourcecommunity.Overnearlytwodecades,he

Zhang Xiaojun: Blockchain Will Become a Bridge to Link the Metaverse

In2021,theconceptofthemetaversedeveloped,andblockchaintechnology,asoneofthemetaverse'sfoundationaltechnologies,reachedahighlevelofdevelopment.Currently,blockchainhasdemonstratedgreatutilityinboththephysicalandvirtualworlds.Whatfurthertechnologicalrequirementswillthemetaverseplaceonblockchaininthefut

Zhang Xiaojun: Blockchain Will Become a Bridge to Link the Metaverse

In2021,theconceptofthemetaversedeveloped,andblockchaintechnology,asoneofthemetaverse'sfoundationaltechnologies,reachedahighlevelofdevelopment.Currently,blockchainhasdemonstratedgreatutilityinboththephysicalandvirtualworlds.Whatfurthertechnologicalrequirementswillthemetaverseplaceonblockchaininthefut