得到不知道维度的string数组的维度
来源:互联网 发布:php 时间转换为时间戳 编辑:程序博客网 时间:2024/04/28 13:00
在项目中常用到一类数组,那就是不知道个数的数组,例如:
string ParamTable[] = {"frequency","ifbw","span","demodmode","afc","ifattmode","measuretime","detector","gainctrl","mgcvalue","squelchthreshold","recordshold","holdtime","dweltime","keeptime","rfattenuation","bandmode","xdb","betapercent","startfreq","stopfreq","step","scancount","levelrange","reflevel","displaymode","preamplifier","dfmode","dfbw","integrationtime","freqrange","qualityshold","levelshold","sholdlevel","rbw","vbw","sweeptime","polarization","modulation","antenna","if_fq","fixfq","iqdem","sr_md"};
想得到里面元素的个数,也就是得到这个数组的维度,被困扰了很久,下面给出了一种办法,亲测有效
size_t words_size= sizeof(ParamTable)/sizeof(string);
这是用string的情况,下面是c语言的情况:
char *words[] = {"stately", "plump", "buck"};size_t words_size = sizeof(words)/sizeof(char*);
0 0
- 得到不知道维度的string数组的维度
- 检测数组的维度
- 增加数组的维度
- 数组的维度
- Fortran 判断数组的 维度。
- numpy的数组维度问题
- 细论数组维度(dimension)的计算
- 关于多维数组的维度判定问题
- Python Numpy Tutorials: 改变数组的维度
- 投影的维度
- 考虑问题的维度
- 颜色条的维度
- 数据仓库的时间维度
- 滑动的维度
- 测试的七个维度
- 维度建模的优缺点
- Kimball的维度数据仓库
- 维度的辨析
- Codeforces Round #260 (Div. 2) A. Laptops
- 服务分发,App创业者的下一个流量红利?
- OpenCV的支持向量机SVM的程序
- 深度剖析Android MVPR架构模式(一)
- preg_split
- 得到不知道维度的string数组的维度
- LEETCODE 88
- iOS真机测试
- 蓝桥杯 算法训练 2的次幂表示 (递归)
- dao和service
- linux自动补全无法正确提示
- 蓝桥杯历届-奇妙的数字
- fuel的公钥问题
- android控件之ViewPager