如何学习SQL
如何学习 SQL 语言? - 知乎 经典SQL练习题 - CSDN博客 sql练习网站 - [...]
SQL Coding Challenge – Leetcode
Easy Difficulty Combine Two Tables - LeetCode SELECT FirstName, LastName, [...]
Big Data Modelling & Management
Data Model Basic Data Operations: selection, projection, union and join [...]
Challenge Question — Python, RegExp, Pandas, Group Regression
Just received a Python coding challenge and I believe it would be useful to share.
记一家神奇的公司
最近暑假没有回国,忙着做RA+找实习,RA的工资其实已经很慷慨了,加上暑假每周都能工作40h,但是考虑到未来的求职,心里还是很慌,赶着实习招聘的尾声继续坚持投简历。
The Ticket to Ride Problem
Simon received the board game Ticket to Ride as a birthday present. After playing it with his friends, he decides to come up with a strategy for the game.
Dijkstra in Python
Here is a complete version of Python2.7 code regarding the problematic original version. Just paste in in any .py file and run.
Python 深浅拷贝
个人认为可变对象和深浅拷贝是未来编程首要注意的事情,毕竟如果是这个上面出现bug应该比较难察觉。
中美电信个人体验
快到2018 Spring入学了,看到地里有同学对于来美国的第一张电话卡的疑问,在这里通过自身的了解和体验介绍一下,给大家提供一个参考。
Python-递归解决用户输入判断
编写程序,提示输入大于2的整数(检查),然后反复求该数字的平方根直到小于2,显示每次得到的平方根与已经完成的操作次数,输出时采用3位小数的格式