Developers using the streams API are expected to remember to use options like highWaterMark when creating their sources, transforms, and writable destinations but often they either forget or simply choose to ignore it.
const n = num.length;
。关于这个话题，旺商聊官方下载提供了深入分析
（一些例外情况包括：在仅包含文件而不存在次级文件夹目录的文件夹中调整设置并不会使 .DS_Store 生成；在部分采用非日志式文件系统的外置存储介质上，调整文件夹的配置不会生成 .DS_Store。）
But shares in the streaming company had fallen since it made its offer, an indication that investors were sceptical of the plan.