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              写字楼里写字间，写字间里程序员；程序人员写程序，又拿程序换酒钱。酒醒只在网上坐，酒醉还来网下眠；酒醉酒醒日复日，网上网下年复年。
              但愿老死电脑间，不愿鞠躬老板前；奔驰宝马贵者趣，公交自行程序员。别人笑我忒疯癫，我笑自己命太贱；不见满街漂亮妹，哪个归得程序员？
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      放在 Github 的资源在国内加载速度比较慢，因此需要使用 CDN 加速来优化网站打开速度，jsDelivr + Github 便是免费且好用的 CDN，非常适合博客网站使用。
      
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