Brian Beers is a digital editor, writer, Emmy-nominated producer, and content expert with 15+ years of experience writing about corporate finance & accounting, fundamental analysis, and investing.

Indicator species are living organisms that tell us that something has changed or is going to change in their environment. They can be easily observed, and studying them is considered a cost-effective ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

如果做过物联网产品的，就知道解析AT指令有时候也挺痛苦的。 每次解析AT指令都要写一堆strstr、strcmp，代码又长又难看，改一个bug要找半天。 每次加一个AT指令，就要加一个else if。代码越写越长，越写越乱。 后来我花时间封装了一个通用解析函数，代码量直接 ...