<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[yiweiwei516的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/yiweiwei516</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; yiweiwei516]]></copyright><item><title><![CDATA[tensorflow实现if/else]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/130079273</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/130079273</guid><author>yiweiwei516</author><pubDate>Tue, 11 Apr 2023 11:12:00 +0800</pubDate><description><![CDATA[【代码】tensorflow实现if/else。]]></description><category></category></item><item><title><![CDATA[plt画直方图]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/129302204</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/129302204</guid><author>yiweiwei516</author><pubDate>Thu, 02 Mar 2023 15:39:20 +0800</pubDate><description><![CDATA[plt画直方图]]></description><category></category></item><item><title><![CDATA[字典画图超详细参考链接]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/129244749</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/129244749</guid><author>yiweiwei516</author><pubDate>Mon, 27 Feb 2023 16:35:02 +0800</pubDate><description><![CDATA[字典画图超详细参考链接]]></description><category></category></item><item><title><![CDATA[python字符串日期转换]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/129242211</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/129242211</guid><author>yiweiwei516</author><pubDate>Mon, 27 Feb 2023 15:04:15 +0800</pubDate><description><![CDATA[python字符串日期转换]]></description><category></category></item><item><title><![CDATA[pandas因为内存不够无法一次性读取]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/128838650</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/128838650</guid><author>yiweiwei516</author><pubDate>Wed, 01 Feb 2023 18:33:42 +0800</pubDate><description><![CDATA[pandas有时因为内存不够，无法一次性读取一个dataframe]]></description><category></category></item><item><title><![CDATA[sklearn常用工具]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/127264667</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/127264667</guid><author>yiweiwei516</author><pubDate>Tue, 11 Oct 2022 15:33:59 +0800</pubDate><description><![CDATA[sklearn常用工具]]></description><category></category></item><item><title><![CDATA[csv读取报错]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/126589034</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/126589034</guid><author>yiweiwei516</author><pubDate>Mon, 29 Aug 2022 17:24:24 +0800</pubDate><description><![CDATA[UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 3114: invalid continuation byte]]></description><category></category></item><item><title><![CDATA[keras报错]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/126512438</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/126512438</guid><author>yiweiwei516</author><pubDate>Wed, 24 Aug 2022 20:44:35 +0800</pubDate><description><![CDATA[ImportError: cannot import name 'get_config' from 'tensorflow.python.eager.context' (/opt/conda/envs/Python3/lib/python3.7/site-packages/tensorflow_core/python/eager/context.py)]]></description><category></category></item><item><title><![CDATA[redis写入查找]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/126377630</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/126377630</guid><author>yiweiwei516</author><pubDate>Wed, 17 Aug 2022 08:00:01 +0800</pubDate><description><![CDATA[redis]]></description><category></category></item><item><title><![CDATA[os获取当前路径]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/126362571</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/126362571</guid><author>yiweiwei516</author><pubDate>Tue, 16 Aug 2022 11:26:50 +0800</pubDate><description><![CDATA[os获取当前路径]]></description><category></category></item><item><title><![CDATA[df转csv去掉index列]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/126140190</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/126140190</guid><author>yiweiwei516</author><pubDate>Wed, 03 Aug 2022 14:46:07 +0800</pubDate><description><![CDATA[df转csv去掉index列]]></description><category></category></item><item><title><![CDATA[git下载/查看/切换/新建分支]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/125721282</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/125721282</guid><author>yiweiwei516</author><pubDate>Mon, 11 Jul 2022 14:45:36 +0800</pubDate><description><![CDATA[git]]></description><category></category></item><item><title><![CDATA[pandas读取大批量数据报错情况，处理方法]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/125086647</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/125086647</guid><author>yiweiwei516</author><pubDate>Wed, 01 Jun 2022 16:58:21 +0800</pubDate><description><![CDATA[pandas.read_table报错情况处理]]></description><category></category></item><item><title><![CDATA[python list小技巧]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/123900624</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/123900624</guid><author>yiweiwei516</author><pubDate>Fri, 01 Apr 2022 16:09:46 +0800</pubDate><description><![CDATA[字符串list如何去重

lst2 = {}.fromkeys(list1).keys()
final_list=list(lst2)
logging.info('Covered {} items'.format(len(lst2)))

两个字符串list求并集
list1.extend(list2)
lst2 = {}.fromkeys(list2).keys()
final_list=list(lst2)
logging.info(' Cover {} items totally'.format(le]]></description><category></category></item><item><title><![CDATA[python读写模块]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/123731320</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/123731320</guid><author>yiweiwei516</author><pubDate>Fri, 25 Mar 2022 11:42:27 +0800</pubDate><description><![CDATA[1.查看当前路径
import os     #导入os模块
cur_loc= os.getcwd()      #调用os模块的 getcwd（）方法。返回值为程序工作的当前目录
print(‘当前目录为：’, cur_loc)       #打印目录

2.创建目录
path=os.getcwd()+'/'+'hello'
if not os.path.exists(path) :     #没有这个文件目录则新建一个
    os.mkdir(path )     #创建G盘文件名为 hello 的文]]></description><category></category></item><item><title><![CDATA[sql部分常用语法]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/123064321</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/123064321</guid><author>yiweiwei516</author><pubDate>Tue, 22 Feb 2022 11:24:08 +0800</pubDate><description><![CDATA[hive sql]]></description><category></category></item><item><title><![CDATA[python中lambda]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/122467831</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/122467831</guid><author>yiweiwei516</author><pubDate>Thu, 13 Jan 2022 10:05:52 +0800</pubDate><description><![CDATA[对list每个元素相同操作
参考链接

]]></description><category></category></item><item><title><![CDATA[python拼接]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/122467739</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/122467739</guid><author>yiweiwei516</author><pubDate>Thu, 13 Jan 2022 10:03:36 +0800</pubDate><description><![CDATA[python拼接
1.纯拼接
# num是一个list，元素类型为int
num = [1, 2, 3, 4, 5, 6]
 
str = ','.join(str(i) for i in num)
 
print(str)

2.split后拼接
valid_content_list=list(valid_content)
content_ids=[item.split('&amp;&amp;')[0] for item in valid_content_list]
str_x = ','.join(st]]></description><category></category></item><item><title><![CDATA[ipynb转为py文件]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/122303527</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/122303527</guid><author>yiweiwei516</author><pubDate>Tue, 04 Jan 2022 15:08:51 +0800</pubDate><description><![CDATA[jupyter nbconvert myprogram.ipynb --to script


]]></description><category></category></item><item><title><![CDATA[python日志]]></title><link>https://blog.youkuaiyun.com/yiweiwei516/article/details/122212501</link><guid>https://blog.youkuaiyun.com/yiweiwei516/article/details/122212501</guid><author>yiweiwei516</author><pubDate>Wed, 29 Dec 2021 11:52:59 +0800</pubDate><description><![CDATA[import logging
logging.basicConfig(format="%(asctime)s - %(message)s", level=logging.INFO)


]]></description><category></category></item></channel></rss>