在项目中寻找代码的坏命名
常做的和常想的事情
晦涩的if条件
1）对于||的处理
上面的代码要比下面的代码理解起来花更多的时间尽管减少代码行数是一个好目标，但把理解代码所需的时间最小化是一个更好的目标。
返回值
上面的"$ret"是“我想不出名字“的托词。与其使用这样空洞的名字，不如挑一个能描述这个实体的值或者目的的名字。
$alias声明了这个变量是用来承载别名的——标明了这个变量的目的。并且可能帮我们找到缺陷
好的名字应当描述变量的目的或者它所承载的值。
临时变量
这里的$i是“我的临时变量"，专门用来让统计数据自动增加，避免统计点的重复。但是对这个$i来讲最重要的并不是临时变量。用charset_index表示“我的统计数据的下标”，更具“描述性”。循环迭代器
我在我的js代码中也发现了坏味道。
i变量名字很空泛，所以不要这么做。像i，j，iter和it等名字常用做索引和循环迭代器。尽管名字很空泛，但是大家都知道它们的意思是“我是一个迭代器“。——实际上你用这些名字来表示其他含义，那会很混乱。所以不要这么做。
如果你非要用i，j，it这样空泛的名字，那么你要有个好的理由说服自己。
总结
我们在编码的过程中，多花几秒钟想出一个好名字，你会发现我们的“命名能力“很快提升上去。
我一般是先想中文名字，如果实在想不出对应的英文名字，我就会用翻译工具把想到的中文贴上去，然后进行裁剪命名变量或者函数名称。
赠送一张最近看到的不错的命名
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