2tong

最近阅读代码的时候，常见到如下所示的代码：from __future__ import print_functionimport torchfrom __future__ import print_function的作用主要是在python2.X中引入python3.X的print特性。from __future__ import print_functionprint("hello, 2tong.")...

1.安装方式pip install jupyter可能遇到的问题：目标计算机积极拒绝，大概是这样的报错：解决方式：关掉代理服务器设置，再次尝试，成功解决。2.使用方式本地启用方式：jupyter notebook...

不定期整理，仅用于学习和记录，如果有错误，请及时帮忙订正，谢谢~1.Filter函数1.1 使用方式##语法filter(function, iterable)##Python 2.7返回的是一个list,Python 3返回的是一个迭代器##举例 def greater_than_five(n): return n > 5 newlist = filte...

Python 2中：1.range([start,] stop[, step])根据指定的初始值start，stop和步长step返回一个list。>>>range(0,3,1)[0,1,2]>>>range(0,4,2)[0,2]2.xrange([start,] stop[, step])根据指定的初始值start，stop和...

1.问题描述Given an integer array nums, find the contiguous subarray(containing at least one number) which has the largest sum and return its sum.Example:Input: [-2,1,-3,4,-1,2,1,-5,4],Output: 6E...

难度级别：Easy1.题目描述You are climbing a stair case. It takes n steps to reach to the top.Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top?Note: Given n...

1.Python代码1.1 构建索引def build_index(file_path): start_time = time.clock() schema = Schema(title=TEXT(stored=True), path=ID(stored=False), content=TEXT(stored=True)) ix = cr...