文章目录STM32简介STM的选型编写程序Keil安装烧写程序USB转串口烧写STLi

9.1指针是什么9.1.1指针是一类数据类型的统称对于C语言来说，计算机的内存由连续的字节（byte）构成。这些连续的字节同样被连续地编上了号码以相互区别，这个号码就是所谓的地址（Address），如图91所示。image(https://imghelloworld.osscnbeijing.aliyuncs.com/imgs

1、Feature转WKT且带坐标系的转换    varstrwktnewol.format.WKT().writeFeature(feature,{               dataProjection:targetcrs,//目标坐标系               featureProjection:c

include<iostreaminclude<stdlib.hinclude<string.husingnamespacestd;typedefstruct{intweight;intparent,lchild,rchild;in

转自：https://www.cnblogs.com/trams/archive/2012/01/13/2321637.htmlSQLServer镜像证书过期处理(https://www.oschina.net/act

1.日期格式化 (指定日期的显示格式)语法：DATE\_FORMAT(date\_string,date\_format)date\_string:指定要转换的原始时间date\_format:指定要转换的显示格式实例：DATE\_FORMAT(now(),'%y%m%d');//now()获取当前时间date\_form

Poster.h//定义一个string常量，用于notificationexternNSStringconstPosterDidSomethingNotification;//与externconstNSStringPosterDidSomethingNotificati

问题：_Consider:_考虑：List<StringsomeListnewArrayList<String();//add"monkey","donkey","skeletonkey"tosomeListfor(Stringitem:someList)

转自：https://www.cnblogs.com/trams/archive/2012/01/13/2321637.htmlSQLServer镜像证书过期处理(https://www.oschina.net/act

方法描述string.capitalize()把字符串的第一个字符大写string.center(width)(https://www.oschina.net/action/GoToLink?urlhttp%3A%2F%2Fwww.ziqiangxuetang.com%2Fpython%2Fattstringcent