When you mouseenter .li_group class it does a slide down effect on 1 single <li> tag, everything goes smoothly, but during the delay if you take your mouse off and on .li_group it \"queues\" the
I have to open up a external program in my MFC application, which works but if I have already clicked button, I don\'t want it to open another instance but just bring it to front.The docs say the SW_S
DB-Engines 数据库流行度排行榜发布了5 月份的数据，前六名的排名“千年不变”，分别是：Oracle、mysql、Microsoft SQL Server、PostgreSQL、MongoDB 和IBM Db2。而其中，MongoDB以比去年同期超出65.
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