<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[lying_byr的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/lying_byr</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; lying_byr]]></copyright><item><title><![CDATA[Ruby 中 将数组变为哈希的键值 transform array to key of hash]]></title><link>https://blog.youkuaiyun.com/lying_byr/article/details/102040206</link><guid>https://blog.youkuaiyun.com/lying_byr/article/details/102040206</guid><author>lying_byr</author><pubDate>Fri, 04 Oct 2019 03:34:53 +0800</pubDate><description><![CDATA[在编写Ruby Rail框架的网站时遇到这样一个问题：

@all_ratings是一个数组，但是为了将其作为页面状态params[:ratings],params[:setting]的参数（默认是一个hash）。需要进行如下操作。


@all_ratings = ['G','PG','PG-13','R','NC-17']
@ratings = Hash[@all_ratings.collec...]]></description><category></category></item><item><title><![CDATA[go(Golang) big.Int 类型比较]]></title><link>https://blog.youkuaiyun.com/lying_byr/article/details/94553249</link><guid>https://blog.youkuaiyun.com/lying_byr/article/details/94553249</guid><author>lying_byr</author><pubDate>Wed, 03 Jul 2019 10:40:30 +0800</pubDate><description><![CDATA[在进行以太币转账之前，需要比较big.Int格式的余额bigWeiBalance和转账金额bigWeiValue。遇到一个很傻的问题就是big.Int 没有 "&lt;""&gt;"的比较。

比较方法如下：


enough := bigWeiBalance.Cmp(bigWeiValue)

原来，big.Int 类自带cmp方法

返回 1：前面的big.Int 实例大于cmp方法big.I...]]></description><category></category></item><item><title><![CDATA[Windows 系统 Pycharm 运行报错 Please ensure that the environment variable WEB3_INFURA_API_KEY is set.]]></title><link>https://blog.youkuaiyun.com/lying_byr/article/details/93355867</link><guid>https://blog.youkuaiyun.com/lying_byr/article/details/93355867</guid><author>lying_byr</author><pubDate>Sat, 22 Jun 2019 20:20:21 +0800</pubDate><description><![CDATA[from web3.auto.infura import w3
print(w3.isConnected())

上述代码调用web3.py尝试连接以太坊时（需要在infura进行注册，创建project得到ID和key）

出现了标题的报错

web3py的官方文档中要求设置环境变量WEB3_INFURA_API_SECRET


If you have checked the box in ...]]></description><category></category></item><item><title><![CDATA[python安装 web3 报错 Microsoft visual c++ 14.0 is require  “io.h”: No such file or directory]]></title><link>https://blog.youkuaiyun.com/lying_byr/article/details/92802719</link><guid>https://blog.youkuaiyun.com/lying_byr/article/details/92802719</guid><author>lying_byr</author><pubDate>Thu, 20 Jun 2019 14:27:24 +0800</pubDate><description><![CDATA[Microsoft visual c++ 14.0 is required

下载最新版的visual studio 下载器，我选择的是 community 版本。运行之后，进行安装，在单个组建目录下选择符合自己系统和版本要求的MSVC v14* 生成工具build tool 。



安装完成后，我重启了一次，不再报Microsoft visual c++ 14.0 is required 的...]]></description><category></category></item><item><title><![CDATA[为什么HTML标签起始和结束标志不同]]></title><link>https://blog.youkuaiyun.com/lying_byr/article/details/89922768</link><guid>https://blog.youkuaiyun.com/lying_byr/article/details/89922768</guid><author>lying_byr</author><pubDate>Tue, 07 May 2019 15:53:07 +0800</pubDate><description><![CDATA[以前对这个问题有一些朦胧的理解，今天在爬取一个搜索页面时，网站将页面中显示的搜索关键词进行了字体的突出显示。



如：

&gt;&gt;&gt; title ="【&lt;em class='keyword'&gt;羽生结弦&lt;/em&gt;】190429 平成的红白"

# 在获取数据时，这样的HTML标签标志符号需要通过正则表达式re module删掉。

&gt;&gt;&gt;...]]></description><category></category></item><item><title><![CDATA[生成url链接中诡异的百分号分割的中文编码]]></title><link>https://blog.youkuaiyun.com/lying_byr/article/details/89874242</link><guid>https://blog.youkuaiyun.com/lying_byr/article/details/89874242</guid><author>lying_byr</author><pubDate>Mon, 06 May 2019 09:29:02 +0800</pubDate><description><![CDATA[在之前的编程中爬取bilibili，

为了设置header中的referer，要将搜索链接中的关键词转为unicode中文编码，并且是百分号划分的格式。



https://search.bilibili.com/all?keyword=羽生结弦

变为

https://search.bilibili.com/all?keyword=%E7%BE%BD%E7%94%9F%E7%BB%93%...]]></description><category></category></item><item><title><![CDATA[使用PhpStorm将网页部署在局域网上]]></title><link>https://blog.youkuaiyun.com/lying_byr/article/details/81317622</link><guid>https://blog.youkuaiyun.com/lying_byr/article/details/81317622</guid><author>lying_byr</author><pubDate>Tue, 31 Jul 2018 17:49:32 +0800</pubDate><description><![CDATA[在工具栏的Run中选择Edit Configurations编辑配置。



点击加号选择PHP Built-in Web Server



设置一个端口号，尽量是1024以上的。



 

查看自己的ip地址





在配置中填入



确认后防火墙可能会提示，同意即可。

选择运行刚才配置的server



在网址：端口的基础上，加上相对路径，即可访问文件。



 

 

之前te...]]></description><category></category></item><item><title><![CDATA[linux 文件读取与处理]]></title><link>https://blog.youkuaiyun.com/lying_byr/article/details/79726274</link><guid>https://blog.youkuaiyun.com/lying_byr/article/details/79726274</guid><author>lying_byr</author><pubDate>Sat, 16 Jun 2018 12:00:41 +0800</pubDate><description><![CDATA[作业1:正则表达式应用 从因特网上搜索相关Web网页，处理网页html数据，从中提取出当前时间点北京各监测站的PM2.5浓度，输出格式如下。要求:写出各个处理步骤，并给出解释。2018-03-15 13:00:00,海淀区万柳,73 2018-03-15 13:00:00,昌平镇,67 2018-03-15 13:00:00,奥体中心,66 2018-03-15 14:00:00,海淀区万柳,73...]]></description><category></category></item><item><title><![CDATA[使用floyd-warshall算法求解cube0交换函数和shuffle混洗函数构成混洗交换网，计算网络直径，两节点最短路径。]]></title><link>https://blog.youkuaiyun.com/lying_byr/article/details/80712072</link><guid>https://blog.youkuaiyun.com/lying_byr/article/details/80712072</guid><author>lying_byr</author><pubDate>Sat, 16 Jun 2018 11:58:02 +0800</pubDate><description><![CDATA[计算机系统结构教程(第二版)习题99.9(2) 用Cube0和构成混洗交换网（每步只能使用Cube0 和shuffle 一次），网络直径是多少？从5号处理机发送数据到7号处理机，最短路径要经过几步？请列出经过的处理机编号。构造交换网	for (i = 0; i &amp;lt; 32; i++){
		j = i ^ 0x0001;
		distance[i][j] = 1;
		distance[j][...]]></description><category></category></item><item><title><![CDATA[Keras 激活函数 Activation]]></title><link>https://blog.youkuaiyun.com/lying_byr/article/details/79772833</link><guid>https://blog.youkuaiyun.com/lying_byr/article/details/79772833</guid><author>lying_byr</author><pubDate>Sat, 31 Mar 2018 20:54:25 +0800</pubDate><description><![CDATA[softmax：对输入数据的最后一维进行softmax，输入数据应形如(nb_samples, nb_timesteps, nb_dims)或(nb_samples,nb_dims)eluselu: 可伸缩的指数线性单元（Scaled Exponential Linear Unit），参考Self-Normalizing Neural Networkssoftplussoftsignrelutan...]]></description><category></category></item><item><title><![CDATA[Keras 卷积层Convolutional]]></title><link>https://blog.youkuaiyun.com/lying_byr/article/details/79772227</link><guid>https://blog.youkuaiyun.com/lying_byr/article/details/79772227</guid><author>lying_byr</author><pubDate>Sat, 31 Mar 2018 19:29:58 +0800</pubDate><description><![CDATA[def get_cnn_network():

    print('configure cnn network')
    nbfilter = 102

    model = Sequential()
    model.add(Convolution1D(input_dim=4,input_length=107,
                            nb_filter=...]]></description><category></category></item><item><title><![CDATA[Python numpy.array() 生成相同元素数组的方法]]></title><link>https://blog.youkuaiyun.com/lying_byr/article/details/79690019</link><guid>https://blog.youkuaiyun.com/lying_byr/article/details/79690019</guid><author>lying_byr</author><pubDate>Sun, 25 Mar 2018 20:14:19 +0800</pubDate><description><![CDATA[new_array = np.zeros((5,4))
for i in range(3):
    new_array[i] = np.array([0.25]*4)
运行结果：&amp;gt;&amp;gt;&amp;gt; new_arrayarray([[0.25, 0.25, 0.25, 0.25],       [0.25, 0.25, 0.25, 0.25],       [0.25, 0.25, 0.25...]]></description><category></category></item><item><title><![CDATA[mac parallels desktop上windows server 2016上安装 sql server 2016]]></title><link>https://blog.youkuaiyun.com/lying_byr/article/details/79686020</link><guid>https://blog.youkuaiyun.com/lying_byr/article/details/79686020</guid><author>lying_byr</author><pubDate>Sun, 25 Mar 2018 13:43:48 +0800</pubDate><description><![CDATA[windows server 2016 安装了 jre10 后仍然报错

 

 

Polybase_IsMinJavaVersionInstalled
			Checks that Oracle JRE 7 Update 51 (64-bit) or higher is installed
		安装 jre7u51

链接:https://pan.baidu.com/s/1hbqoLBMq-D...]]></description><category></category></item><item><title><![CDATA[Python enumerate枚举函数及for循环]]></title><link>https://blog.youkuaiyun.com/lying_byr/article/details/79683977</link><guid>https://blog.youkuaiyun.com/lying_byr/article/details/79683977</guid><author>lying_byr</author><pubDate>Sun, 25 Mar 2018 09:43:48 +0800</pubDate><description><![CDATA[&amp;gt;&amp;gt;&amp;gt; for i, val in enumerate(['C','D','E','F']):...     print i...     print val... 0C1D2E3Ffor i, val in enumerate(array):# i (for后第一个)是索引 val  (for后第二个)是内容]]></description><category></category></item><item><title><![CDATA[Python numpy.zero() 初始化矩阵]]></title><link>https://blog.youkuaiyun.com/lying_byr/article/details/79683956</link><guid>https://blog.youkuaiyun.com/lying_byr/article/details/79683956</guid><author>lying_byr</author><pubDate>Sun, 25 Mar 2018 09:43:41 +0800</pubDate><description><![CDATA[new_array = np.zeros((107,4))# 共107行 每行4列 初值为0&amp;gt;&amp;gt;&amp;gt; new_array = np.zeros((107,4))&amp;gt;&amp;gt;&amp;gt; new_arrayarray([[0., 0., 0., 0.],       [0., 0., 0., 0.],       [0., 0., 0., 0.],       [0., 0., 0....]]></description><category></category></item></channel></rss>