The biggest mistake that you can make is to believe that you are working for somebody else. Job security is gone. The driving force of a career must come from the individual. Remember: Jobs are owned by the company, you own your career! Earl Nighting…
17.9 Design a method to find the frequency of occurrences of any given word in a book. 这道题让我们找书中单词出现的频率,那么首先需要搞清楚的问题是,只需要统计一个单词,还是多个单词.如果是一个单词的话,那直接就遍历所有单词直接统计即可,如果是多个,就需要建立哈希表来建立每个单词和其出现次数之间的映射,然后再来查找即可,参见代码如下: unordered_map<string, int> make_dicti…
关于<Head First Python>一书中print_lol()函数的思考 在<Head First Python>第一章中,讲述到Python处理复杂数据(以电影数据列表为例),首先将电影数据创建为Python列表,由于Python的变量标识符没有类型,列表中的每一个数据项可以是任何类型的数据,甚至可以是另外一个列表,并且可以无限嵌套.下面开始print()和print_lol()的表演. 列表 movies = ["The Holy Grail", 1…
