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There is a simple rule of thumb to tell you when to use == or is. == is for value equality. Use it when you would like to know if two objects have the 阅读全文
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same issue i faced , tried with ./unstack.sh and ./clean.sh also but couldn't fix the issue.Following step helped me to resolve this issue../unstack.s 阅读全文
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在vim下可以使用常用的箭头键 但是 还有其它键可以让你更快的达到目标hjkl 这是代替箭头键功能的 H M L 跳到屏幕的顶上 中间 下方 w 跳到下一个单词的开始e 跳到单词的结束b 向后跳gg 跳到文件的开始 G 跳到文件的结束 10gg 或10G 跳到第10行 转自: http://www. 阅读全文
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It's also worth noting that you can use * and ** when calling functions as well. This is a shortcut that allows you to pass multiple arguments to a fu 阅读全文