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python - Python中变量和函数名称的命名约定是什么？(What is the naming convention in Python for variable and function names?)

Coming from a C# background the naming convention for variables and method names are usually either camelCase or PascalCase: (来自C＃背景 ... 确的编码风格吗？) ask by Ray Vega translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - 整数的无效输入语法：“”(Invalid input syntax for integer: “”)

I have a problem, to build INSERT PHP file with HTML form code. (我有一个问题，用HTML表单代码构建INSERT PHP文件 )When I ... 10.10 (我使用PostgreSQL 10.10) ask by Henrijs Soltums translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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471 views

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ios - 无法识别的选择器发送到按钮的实例，该选择器将数据从按钮传送到另一个视图控制器(Unrecognized selector sent to instance for a button which takes data from the button to another view controller)

I have a button in main view controller named ViewController.swift and need to take the value of the button to ... 决这个问题？) ask by nowshin tasnim translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - 从字典获取时，xcode会暂停调试器(xcode pauses debugger when get from dictionaries)

when i want to get value from dictionary xcode pauses debugger. (当我想从字典xcode中获取价值时，调试器将暂停 )but i bracket form it works ... 用get函数时所有字典都会崩溃 ) ask by Tohid Najafi translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - IndentationError：unindent与任何外部缩进级别都不匹配(IndentationError: unindent does not match any outer indentation level)

When I compile the Python code below, I get (当我编译下面的Python代码时，我得到) IndentationError: unindent does not match any ... return result Why? (为什么？) ask by cbrulak translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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342 views

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javascript - 如何将按钮重定向到另一个页面？ [重复](How can I make a button redirect my page to another page? [duplicate])

This question already has an answer here: (这个问题在这里已有答案：) How to create an HTML button that acts like a link? (如何创建一个像链接一样的HTML ... 方法让我在表单中创建一个按钮使页面转到新位置？) ask by translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Python 3.x复制到剪贴板而不下载其他库？(Python 3.x copy to clipboard without downloading aditional libraries?)

Is there a way to manage clipboard in python 3.x without the use of tkinter or other downloadable libraries ? (有没有一种方 ... (以上不适用于Windows) ask by Tony Nameless translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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347 views

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python - Django DateTimeField和datetime.datetime.now（）提供不同的时间(Django DateTimeField and datetime.datetime.now() giving different times)

I have a model where I want the name field to be a string representation of the timestamp, and another field to be the actual ... 如何使这两个日期时间相同？) ask by dwvldg translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - 有没有人为C ++和Visual Studio 2010提供良好的矩阵数学库？ [关闭](Does anyone have a good matrix math library for c++ and visual studio 2010? [closed])

Closed.) 关闭 )) This question is off-topic . 这个问题是题外话 ) It is not currently accepting answers. 它当前不接受答案 ) Want ... 2010-C ++的良好库？) ask by Seyyed Kazem Razavi translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - 问号后网址中的内容是否显示在Google搜索中(Does the stuff in the url after the question mark show up in Google search)

I have built a blog with PHP and it is all working fine, however I retrieve the article content with this article.php?id=4. ... 中吗？)Thanks. (谢谢 ) ask by Liam Kear translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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262 views

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mysql - 如果我的表与其他表没有关系，这正常吗？(Is it normal if I have table with have no relationship with other tables?)

I have an existing application. (我有一个现有的应用程序 )Now my boss wants me to create a FAQ for apps usage documentation. (现在我的 ... not? (我的问题：这正常吗？) ask by plonknimbuzz translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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327 views

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c# - 字段和属性之间有什么区别？(What is the difference between a field and a property?)

在C＃中，是什么使字段不同于属性，以及何时应使用字段代替属性？ ask by community wiki translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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277 views

1 answer

sql - 逗号分隔值到结果(Comma separated values to results)

I have 3 tables namely Question, Feedback and Feedback Result. (我有3个表格，即问题，反馈和反馈结果 )I wish to generate a report where i ... 2 5 3 1 4 2 1 2 2 ask by SachuMine translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - 如何将2个字符串压缩为python中的新字符串[重复](How to zip 2 strings into a new string in python [duplicate])

This question already has answers here) : 这个问题已经在这里有了答案) ：) How do I interleave strings in Python? 如何在Python中交错字符串？) ... this be done? (如何才能做到这一点？) ask by smitty translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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557 views

1 answer

python - 我尝试通过scapy发送UDP程序包，但失败了，为什么？(I try to send UDP package by scapy but failed,Why?)

I setup my UDP server by python code below. (我通过下面的python代码设置了UDP服务器 ) import socket s = socket.socket(socket.AF_INET, ... 为什么？???有人可以回答我 ) ask by user7078144 translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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google-chrome - “请求Cookie”域在开发人员工具中显示“ N / A”(Request Cookies domain shows “N/A” in Developer Tools)

In Chrome's Developer Tools, on the Network Tab, I noticed the Request Cookies' domain is always set to "N/A". (在Chrome的开发人 ... 域应该是URL的域（在GET请求中） ) ask by rishai translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - 非时间数据的R运行平均值(R running average for non-time data)

This is the plot I'm having now. (这是我现在的情节 ) It's generated from this code: (它是从以下代码生成的：) ggplot(data1, aes(x= ... (x=1,000,001 to x=2,000,000) ask by Yilun Zhang translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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246 views

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html - 如何在HTML中将一个图像放在另一个图像上？(How do I position one image on top of another in HTML?)

I'm a beginner at rails programming, attempting to show many images on a page. (我是rails编程的初学者，试图在页面上显示许多图像 )Some images ... 只是将六个图像放在另一个图像的顶部 ) ask by rrichter translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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344 views

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css - 如何使用CSS并排浮动3个div？(How to float 3 divs side by side using CSS?)

I know how to make 2 divs float side by side, simply float one to the left and the other to the right. (我知道如何让2个div并排浮动，只需 ... 进行此操作还是应该只为此目的使用表格？) ask by Dameon translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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322 views

1 answer

swift - 无法将类型'__NSCFString'（0x7fff87a89460）的值强制转换为'NSArray'（0x7fff87a8a310）(Could not cast value of type '__NSCFString' (0x7fff87a89460) to 'NSArray' (0x7fff87a8a310))

I'm extracting data from Mssql. (我正在从Mssql提取数据 )I want to print the data I received from the database to tableview, but ... cell } } ask by SH Yaz?l?m Geli?tirme translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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515 views

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json - 如何以友好的方式查看我的Instagram备份数据？(How can I view my Instagram backup data in a friendly way?)

recently i have downloaded a backup of my Instagram account ... (最近我已经下载了我的Instagram帐户的备份...) and the zip file ... files (文件) thanks (谢谢) ask by mina nageh translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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417 views

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facebook - 收集来自私人Facebook团体的电子邮件(Scraping emails from private Facebook groups)

我想在Facebook上抓取特定组的成员的电子邮件，但我看不到它们（该组是私人的），因为我不是该组的成员，并且我不会很快接受。 ask by Barri translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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258 views

1 answer

java - 如何为LinkedList的浅/深副本执行Junit(how to do Junit for shallow/deep copy of LinkedList)

hello there i did the deep copy and the shallow copy is suggested by the user AndyMan and now i did the ... the reference return temp; } ask by studentaccount4 translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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399 views

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java - Android Studio文字编辑器会删除文字，而不是允许常规编辑(Android studio text editor erases text instead of allowing normal edit)

I have worked with several IDE and code editors but this android studio am using is a real mess, when I place a cursor in the ... 是创建要求其提供的空间 ) ask by M.louis translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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169 views

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python - 在Jupyter Notebook中运行python文件时出错(ERROR When run python file in Jupyter Notebook)

I try to write python code in Jupyter notebook.but when I run the program, it come to the error (我尝试在Jupyter笔记本中编写 ... description here (在此处输入图片说明) ask by tienPY translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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300 views

1 answer

c# - 文本分类NaiveBayes Accord.NET(Text classification NaiveBayes Accord.NET)

I am particularly new to accord.net (我对Accord.net特别陌生) My case: Classifying short text of various length into 100+ ... 的github项目：文本分类NaiveBayes) ask by Paiseh99 translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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208 views

1 answer

c# - C＃鼠标钩(Mouse hook with C#)

I am trying to emulate "hardware" mouse clicks as it appears that some software blocks input from PostMessage for instance. (我试图模 ... (任何帮助表示赞赏:)) ask by miceiken translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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340 views

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java - &&（AND）和|| （OR）在IF语句中(&& (AND) and || (OR) in IF statements)

I have the following code: (我有以下代码：) if(!partialHits.get(req_nr).containsKey(z) || partialHits.get(req_nr).get(z) < tmpmap. ... 为假，而在第二种情况下a为true？) ask by Azimuth translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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