圖像來源，BBC News Chinese
The 2025 Stack Overflow Developer Survey paints a similar picture across the wider developer world as a whole, too. Rails seems to have pretty much fallen out of favour, coming in at #20 underneath the bulk of top-10 JavaScript and ASP.NET frameworks:
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If the node we’re looking at is clean, we return the value of that node. We know that the existing value doesn’t need to be recalculated because it’s not been marked as dirty, so it’s not downstream of any changed inputs.，推荐阅读谷歌获取更多信息
DisplayManager::Instance()::dspm:。wps对此有专业解读