Shell模式匹配替换
Using jQuery for Effects
Ok - have been tasked with possibly an impossible (or at least a potentially nightmarish) scenario. Need to come as close as possible to reproducing PowerPoint-like effects via HTML/JavaScript (the s[详细]
2022-12-25 13:45 分类：问答Making HABTM relationships unique in CakePHP
I have two models, called Book and Tag, which are in a HABTM relationship. I want a couple (book, tag) to be saved only once. In my models I have[详细]
2022-12-21 23:50 分类：问答“供养白头乌”上一句是什么？
夜影兀怜 2022-05-27 16:53 开发者_运维百科“供养白头乌”上一句是：“何时能反哺”，这是出自于 唐朝 白居易 所著的《阿崔》。附《阿崔》全文赏析阿崔作者：白居易朝代：唐朝谢病卧东都，[详细]
2022-12-19 02:31 分类：问答Shell命令中的特殊替换、模式匹配替换、字符串提取和替换的实现
目录特殊替换模式匹配替换字符串提取和替换形式说明${var}变量本来的值${var:-word}如果变量 var 为空或已被删除(unset)，那么返回 word，但不改变 var 的值。${var:=word}如果变量 var 为空或已被删除(unset)，那么[详细]
2022-12-07 10:20 分类：运维
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