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Python处理Excel数据-pandas篇

在计算机编程中，pandas是Python编程语言的用于数据操纵和分析的软件库。特别是，它提供操纵数值表格和时间序列的数据结构和运算操作。...目录 Python处理Excel数据-pandas篇一、安装环境 1、打开以下文件夹（个人路径会有差异）： 2、按住左Shift右键点击空白处，选择【在此处打开Powershell窗口（s）】 3...AppData\Local\Programs\Python\Python38\Scripts Jetbrains全家桶1年46，售后保障稳定 2、按住左Shift右键点击空白处，选择【在此处打开Powershell...data.sort_values() # 值排序 pd.merge(data1,data2) # 合并,以下为左连接 pd.merge(data1,data2,on=[a],how...删除空值 data.dropna() # 删除有空值的行 data.dropna(axis=1) # 删除有空值的列 data.dropna(how

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Apache POI总结原

工作表、单元格、行、列的概念 Apache POI 是用Java编写的免费开源的跨平台的 Java API，Apache POI提供API给Java程式对Microsoft Office格式档案读和写的功能...; fileOut.close(); Files vs InputStreams When opening a workbook, either a .xls HSSFWorkbook, or a .xlsx...If using WorkbookFactory, it's very easy to use one or the other: // Use a file Workbook wb = WorkbookFactory.create...(new FileInputStream("MyExcel.xlsx")); If using HSSFWorkbook or XSSFWorkbook directly, you should generally...pkg.close(); Index of Features How to create a new workbook How to create a sheet How to create cells

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windows10开启ssh_ssh连接windows

要安装它，请前往“设置”>“应用程序”，然后在“应用程序和功能”下单击“管理可选功能”。...如何使用Windows 10的SSH客户端 (How to Use Windows 10’s SSH Client) You can now use the SSH client by running...This works in either a PowerShell window or a Command Prompt window, so use whichever you prefer....要快速打开PowerShell窗口，请右键单击“开始”按钮或按Windows + X，然后从菜单中选择“ Windows PowerShell”。...翻译自: https://www.howtogeek.com/336775/how-to-enable-and-use-windows-10s-built-in-ssh-commands/ windows

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SharePoint 2013 Backup Farm Automatically With a Powershell and Windows Task Schedule

In this post,I will show you SharePoint 2013 How to Backup Farm Automatically with a PowerShell and...First,to backup your Farm,you can use the powershell command Backup-SPFarm....You can use the command to backup the farm a Full backup as in the following example....Backup-SPFarm -BackupMethod Full -Directory D:\backup And to Backup the farm a differential backup,you can use...Step 1:Create a PowerShell for the full farm backup Add-PSSnapin Microsoft.SharePoint.PowerShell Set-ExecutionPolicy

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Powershell学习笔记3——has

在Powershell中hashtable是一种非常方便的数据类型。这种数据类型允许你在一堆键和值之间建立映射关系。例如将红色映射为1，绿色映射为2等等。...Creating and inspecting hashtables In Powershell,you use hash literals to create a hashtable inline a...we can use it....Powershell中hashtable的隐藏对象是.NET中的System.collections.hashtable。这种类型有一些property和method可以使用。...这和hashtable的工作方式有关；例如，keys是随机地分布在表里，以加速读取。

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Good logging practice in Python

print is not a good idea Although logging is important, not all developers know how to use them correctly...Use Python standard logging module So, how do you do logging correctly?...logging record everywhere with proper level and configure them later....What is the proper level to use, you may ask. Here I share my experience....If you don’t know how to use the logging system correctly, this article might be helpful.

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人人都值得学一点PowerShell实现自动化(4)打开无穷无尽的轮子世界

和dotNET的轮子库nuget一样，PowerShell一样有一个官方的轮子库powershellgallery。...[all_objects]" -Path F:\自媒体相关\其他文章分享\powershell\轮子\temp.xlsx -WorkSheetname master -AutoSize -FreezeTopRow...Merge-Worksheet -Referencefile "$env:temp\server1.xlsx" -Differencefile "$env:temp\Server2.xlsx" -OutputFile..."$env:temp\combined1.xlsx" -Property name,displayname,startType -Key name -Show 数据库写入数据利器Write-ObjectToSQL...Import-Excel -Path F:\自媒体相关\其他文章分享\powershell\轮子\combined.xlsx|Write-ObjectToSQL -Database Test -Server

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SharePoint 2013 How to Backup Site Collection Automatically With a PowerShell Script

In this post I will introduce a way how to run a script for backing up SharePoint data which could be...(Get-PSSnapin |Where-Object {$_.Name -eq "Microsoft.SharePoint.PowerShell"})) { Add-PSSnapin "Microsoft.SharePoint.PowerShell...script Notes,it will pass 3 parameters cd /d %~dp0 powershell -file "....SharePoint Server Finally,Run the Batch File to start Backing up the site collection immediately.Or use...might need to schedule to run a batch file automatically in your windows server.So I will show you how

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SRE Interview Questions and Answers Simulation - Linux and K8S

caching.Enable gzip compression.Use keepalive for connection reuse.5....How does kubectl exec work?...techniquesIncrease performance by tuning etcd memory settings, using SSDs, managing compaction, and ensuring proper...Considerations for managing large Kubernetes clustersEnsure proper etcd scaling, optimize the scheduler...How does Helm work?

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Octopus：专为红队设计的安全研究预操作C2服务器

Octopus以一种非常简单的方式通过加密良好的通道执行命令并与C2交换信息，这种方式确保了几乎所有的AV、终端保护和网络监控方案都难以识别和探测到Octopus操作。...Octopus的操作非常隐蔽，并且使用了AES-256作为PowerShell代理和C2服务器之间通信数据的加密算法。...Use a production WSGI server instead....Use a production WSGI server instead....//github.com/mhaskar/Octopus 参考资料 https://github.com/mhaskar/Octopus/issues https://blog.xpnsec.com/how-to-argue-like-cobalt-strike

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【LangChain系列】【与SQL交互时如何得到更好的结果&输出的查询结果验证方案】

LangChain 简化了 LLM 应用程序生命周期的每个阶段：开发：使用LangChain的开源构建块和组件构建应用程序。使用第三方集成和模板开始运行。...生产化：使用 LangSmith 检查、监控和评估您的链条，以便您可以自信地持续优化和部署。部署：使用 LangServe 将任何链转换为 API。二、在SQL问答时如何更好的提示？...SQLite 样例数据参考：https://database.guide/2-sample-databases-sqlite/Chinook 数据：它代表了一个数字媒体商店，包括艺术家、专辑、媒体曲目、发票和客户的信息...identifiers- Using the correct number of arguments for functions- Casting to the correct data type- Using the proper...identifiers- Using the correct number of arguments for functions- Casting to the correct data type- Using the proper

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基于scrapy的腾讯社会招聘爬虫

2018年6月9日复习scrapy爬虫框架 1.本人操作系统为Win10,python版本为3.6,使用的命令行工具为powershell,所起作用和cmd的作用相差不大。...1.png 点击“在”此处打开Powershell窗口"，可以实现基于当前目录打开powershell 3.在powershell中输入命令"scrapy startproject Tencent",...对每一个通过yield返回的item存入job_list，然后在爬虫完成的时候通过close_spider函数把job_list持久化存储为"腾讯社会招聘(简易版).xlsx" 要取得一个dict的keys...close_spider(self, spider): df = pd.DataFrame(self.job_list) df.to_excel("腾讯社会招聘(简易版).xlsx...运行工程生成的的"腾讯社会招聘(简易版).xlsx"文件在powershell运行命令时所在的那一个目录。

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Python use Virtualenv create a stand-alone environment.

We could just try how to use Virtualenv to create a stand-alone operating environment. let’s say we’re...Windows In Windows, we typically use ‘cmd’ or ‘powershell’ to operate commands....But in powershell mode, we need to execute a policy change first, and then execute ‘activate.ps1’ script...Make sure the current powershell window is under administrator privileges....In the end This is my first English technology blog, after which I will try to use English to record

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由Python生成采购清单BOM

解决步骤： 1，首先看看我们的BOM表的格式对于采购人员来说， Designator 和footprint是不需要关注的，他们关注点主要在器件型号，厂家以及购买数量和购买渠道。 ...import pandas as pd import os import numpy as np #how to use #1, copy all board BOMs to same directory...in current folder output_file_name="Purchase.xlsx" fileNames=[] keyCode="StockCode" Comment="Comment...3，代码的使用方法 1，拷贝代码并保存为merge excels.py 2，安装PythonIDLE 本人使用的版本是3.8.2 3，拷贝各个PCB板的对应BOM文件到相同目录下，和merge...本人在这里展示了板子1需要购买的元器件的套数是10，板子2的套数是20 当前目录下会生成新的文件Purchase.xlsx。文件中的H列是单个板子1的数量，列I是板子的套数。

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IOS5开发-控件位置适应屏幕旋转代码

Use it anyway you like....-------------------------------//// UntitledViewController.m//// SpinView - this is an example of how...Use it anyway you like....CGAffineTransformMakeRotation(M_PI / 1.0); //this will change the view to be upside-down but in proper...transform = CGAffineTransformMakeRotation(M_PI / 2.0); //this will change the view to be rightside-up in proper

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模型在生产上无法发挥功效，该何去何从？

If your model is 100% accurate at predicting hurricanes 48 hours in advance, it will not be of any use...of these ended as you would expect with the data having absolutely no correlation to real-life and a proper...It can tell you how much stock it needs per day and with that, you can plan your logistics and refilling...However, one of the key components to the model is it knowing how many customers it has missed....to use it, in real-life the machine has no way of knowing if someone wanted to use it and just walked

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@@docker卷的python应用2023.8.9

# 运行容器 docker run random-numbers # 在主机上创建一个文件夹 mkdir mydata 11、遇到bug，分别是使用windows的cmd命令和开docker读取本地的权限...If you intended to pass a host directory, use absolute path....See 'docker run --help'. 12、cmd docker run -v %cd%/mydata:/app random-numbers 13、如果你正在使用PowerShell，可以使用...使用管理员权限运行：如果上述方法不起作用，尝试使用管理员权限打开命令提示符或PowerShell，并再次运行命令。确认安全提示：当你首次尝试共享驱动器时，可能会弹出一个安全提示，要求你输入凭据。...", index=False) ``` 此脚本将随机生成5个介于1和10之间的整数，打印这些数字，并将它们保存到名为`random_numbers.xlsx`的Excel文件中。

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PowerShell实战：PowerShell使用ImportExcel模块轻松操作Excel

一、介绍ImportExcel模块可以理解为基于PowerShell环境操作Excel的强大类库，使用它可以在 Windows、Linux 和 Mac 上都可以使用。...跨平台：ImportExcel 不依赖于 Microsoft Office，可以在 Windows、Linux 和 macOS 上运行 PowerShell 时直接使用该模块。...6,46000000简书,7,35000000"@# 导出为Excel文件 - Show 参数表示直接打开Excel文件$BlogRankData | Export-Excel e:\blogRankData.xlsx...YRange 访问量 -Title "博客访问量统计" -NoLegend# 导出到Excel 包含图表$BlogRankData | Export-Excel E:\blogRankChatData.xlsx...点击运行按钮，直接打开Excel如下4、导出包含汇总列和图表的Excel包含汇总列的话需要增加汇总列表的参数，具体直接看下面的案例：#定义数据$BlogRankData = ConvertFrom-Csv

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Kernel Locking Techniques

Proper locking can be tough—real tough....The typical result without proper locking is called a race condition....Realize how even a simple i++ is dangerous if i is shared!...Finally, with a preemptible kernel even UP (uniprocessor) systems require proper locking....Semaphore use is simple in Linux.

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Turla PowerShell攻击手法学习

最近，它参与了对德国外交部和法国军队的重大攻击事件。为了混淆检测，在2019年中开始使用 PowerShell 脚本，这些脚本提供恶意软件可执行文件和库的直接内存加载和执行的能力。...变量$HL39fjh包含 base64 编码的 PowerShell 命令，它读取存储加密负载的 Windows 注册表项，并包含解密负载所需的密码和盐。...You can use the profile as a logon script to customize the environment....It explains how to use the NoProfile parameter of the PowerShell console (PowerShell.exe) to start PowerShell...我们也可以添加命令、别名、函数、变量、管理单元、模块和 PowerShell 驱动器。

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Python处理Excel数据-pandas篇

Apache POI总结原

windows10开启ssh_ssh连接windows

SharePoint 2013 Backup Farm Automatically With a Powershell and Windows Task Schedule

Powershell学习笔记3——has

Good logging practice in Python

人人都值得学一点PowerShell实现自动化(4)打开无穷无尽的轮子世界

SharePoint 2013 How to Backup Site Collection Automatically With a PowerShell Script

SRE Interview Questions and Answers Simulation - Linux and K8S

Octopus：专为红队设计的安全研究预操作C2服务器

【LangChain系列】【与SQL交互时如何得到更好的结果&输出的查询结果验证方案】

基于scrapy的腾讯社会招聘爬虫

Python use Virtualenv create a stand-alone environment.

由Python生成采购清单BOM

IOS5开发-控件位置适应屏幕旋转代码

模型在生产上无法发挥功效，该何去何从？

@@docker卷的python应用2023.8.9

PowerShell实战：PowerShell使用ImportExcel模块轻松操作Excel

Kernel Locking Techniques

Turla PowerShell攻击手法学习

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