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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 cl 阅读全文
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在学习莫烦教程中keras教程时，报错：TypeError: to_categorical() got an unexpected keyword argument 'nb_classes'，代码如下 错误原因：keras版本问题，将nb_classes改为num_classes参考keras文档： 阅读全文
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1. 确保成功安装了tensorflow 2. 查看当前tensorflow下的库文件，判断是否已经安装了h5py,scipy：conda list 3. 若没有安装，安装h5py,scipy。我的电脑中没有安装h5py，安装：pip install h5py安装scipy同理 4. 安装tflea 阅读全文
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在运行程序时，报错ImportError: No module named 'matplotlib'，如图。经网上查询发现是没有安装matplotlib 因此记录一下在tensorflow环境下安装matplotlib的过程： 1.打开anaconda prompt，进入tensorflow的环境： 阅读全文
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Spyder打不开，报错：This application failed to start because it could not find or load the Qt platform plugin "windows"，如图 根据网上找的教程没有改对，比如platform文件夹下没有.dll文 阅读全文
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小白一枚，安装过程走了很多坑，前前后后安装了好几天，因此记录一下。 一、安装anaconda 官方下载地址：https://repo.continuum.io/archive/ 选项相应的版本安装，我安装的Anaconda3-4.4.0-Windows-x86_64.exe版本，自带的Python版 阅读全文
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Given two non-negative integers num1 and num2 represented as string, return the sum of num1 and num2. Note: 题意：给定以字符串形式表示的两个非负整数num1和num2，返回这两个整数的和。No 阅读全文
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Given an m * n matrix M initialized with all 0's and several update operations. Operations are represented by a 2D array, and each operation is repres 阅读全文
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You have a total of n coins that you want to form in a staircase shape, where every k-th row must have exactly k coins. Given n, find the total number 阅读全文
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A self-dividing number is a number that is divisible by every digit it contains. For example, 128 is a self-dividing number because 128 % 1 == 0, 128 阅读全文