Recent questions

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javascript - 使用jquery / ajax刷新/重新加载Div中的内容(Refresh/reload the content in Div using jquery/ajax)

I want to reload a div on click of a button. (我想在单击按钮时重新加载div )I do not want to reload the full page. (我不想重新加载整 ... more information. (如果您需要更多信息，请告诉我 ) ask by UID translate from so...

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

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457 views

1 answer

regex - 是否有正则表达式来检测有效的正则表达式？(Is there a regular expression to detect a valid regular expression?)

Is it possible to detect a valid regular expression with another regular expression? (是否可以使用另一个正则表达式检测有效的正则表达式？)If so please ... (如果是这样，请在下面举例说明 ) ask by psytek translate from so...

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

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395 views

1 answer

node.js - 如何在Pupeteer中单击按钮时处理新页面？(how to handle new page on button click in pupeteer?)

i am using puppeteer in a project to test a web page , in the page i have several buttons that open a new tab in the browser ... ? (我该如何处理第2页？) ask by MirzaPayam translate from so...

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

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469 views

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string - r n， r和 n它们之间有什么区别？ [重复]( , and what is the difference between them? [duplicate])

This question already has an answer here: (这个问题在这里已有答案：) Difference between \n and \r? (\ n和\ r \ n之间的区别？)9 answers (9个 ... \r \n就像击中输入而\n是为了换行 ) ask by Haya Raed translate from so...

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

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python - 如何获取本地安装的Python模块列表？(How can I get a list of locally installed Python modules?)

I would like to get a list of Python modules, which are in my Python installation (UNIX server). (我想获得Python模块的列表，这些 ... Python模块的列表？) ask by Léo Léopold Hertz ?? translate from so...

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

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456 views

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python - 终止Python脚本(Terminating a Python script)

I am aware of the die() command in PHP which stops a script early. (我知道PHP中的die()命令可尽早停止脚本。) How can I do this in Python? (如何在Python中执行此操作？) ask by Teifion translate from so...

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

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265 views

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mysql - MySQL中DateTime操作的结果是什么(What is the result of DateTime operation in MySQL)

I tried the following SQL query. (我尝试了以下SQL查询 ) select start_time, end_time, end_time-start_time from orders This printed the ... 结果意味着什么吗？) ask by Ma Long translate from so...

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

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226 views

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python - Python中的AStar算法(AStar algorithm in Python)

The problem to be solved is a warehouse to which a series of boxes are arriving, these boxes have an entry day and an exit day. (要 ... 节点创建可能状态的功能的问题 ) ask by mss translate from so...

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

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387 views

1 answer

c++ - 获取GTK窗口，剪贴板信号源自该GTK窗口（Gtkmm）(Get the GTK Window from which a Clipboard signal_owner_change originated (Gtkmm))

My application needs to listen to clipboard changes to record them. (我的应用程序需要收听剪贴板的更改以进行记录 )I can currently achieve ... 窗口被复制但没有指针匹配 ) ask by Guillaume Schlipak translate from so...

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

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683 views

1 answer

mysql - 错误1822（HY000）：无法添加外键约束。缺少约束索引(ERROR 1822 (HY000): Failed to add the foreign key constraint. Missing index for constraint)

I've been working on this sql project about a game rental store. (我一直在从事有关游戏租赁商店的sql项目 ) I' ... ITEM_PRICE) REFERENCES INVENTORY (PRICE)); ask by Caroline Mártire translate from so...

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

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383 views

1 answer

android - Android listview在向下滚动和向上滚动时隐藏topview？(Android listview hide topview while scrolling down and visible scrolling up?)

I want to hide top view while scrolling down and I want to show top view while scrolling top. (我想在向下滚动时隐藏顶视图，而我想在滚 ... (如何在Android中达到这种效果？) ask by Murali Ganesan translate from so...

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

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472 views

1 answer

amazon-s3 - 栅格数据包不会从Amazon ec2实例上的RStudio中的URL中读取文件(Raster package wont read file from URL in RStudio on Amazon ec2 instance)

I am moving a model from laptop to cloud to increase compute power and storage. (我正在将模型从笔记本电脑转移到云计算，以增加计算能力和存储量 ... 或者从光栅中了解了内部，该如何解决？) ask by waywordbird translate from so...

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

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audio - 如何通过台式机浏览器在Google Home Mini上播放音乐？(How to play music on Google Home Mini from desktop computer browser?)

Is there any way to play music on Google Home Mini from desktop computer? (有什么方法可以通过台式机在Google Home Mini上播放音乐吗？) ... 知道Google Home Mini设备的IP和Mac地址 ) ask by oshka translate from so...

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

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c# - .net udplistener.receive在hyperv vm与主机上的行为不一致(.net udplistener.receive acting inconsistently on hyperv vm vs host)

I have a simple c# win forms app acting as a "collector" for syslog messages. (我有一个简单的C＃Win Forms应用程序，充当syslog消息的收 ... .ToString()); thanks ben (谢谢本) ask by bbad translate from so...

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

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418 views

1 answer

r - 我如何解决和解决R中的这个蜗牛冒险编程问题(How do I approach and solve this snail adventure programming problem in R)

I'm very new to programming and I'm trying to solve this problem in R. (我是编程新手，正在尝试解决R中的这个问题 ) A snail lives ... () )Thanks in advance! (提前致谢！) ask by flufenamic translate from so...

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

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437 views

1 answer

reactjs - 样式化组件元素的静态属性类型(Types for static property of styled-components element)

How can I type a styled-component element that has a static property? (如何键入具有静态属性的样式化组件元素？) interface IMyList { ... (2741)为 MyList.Item 缺少 ) ask by darksoulsong translate from so...

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

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asp.net - 在AngularJS中将变量分配为JSON格式(assign variables to JSON format in AngularJS)

I want to separate variables to data (我想将变量与数据分开) I am working with AngularJS and aso.net which filled out a survey form and ... get; set; } } } ask by R O D O translate from so...

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

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397 views

1 answer

python - 输入Django注册模板后不会加载表单(Django registration template doesn't load form when entered)

I have a problem with my Django registration template. (我的Django注册模板有问题 )To register I'm using a Django-auth system. (要 ... 方式我无法将其粘贴为代码) ask by Kamil Cieszkowski translate from so...

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

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324 views

1 answer

c++ - 如何使用年月日创建time_point对象？(How to create a time_point object with year month day?)

Suppose I have 3 integers 1992, 5, 29 and I want to construct a time_point object that represents 1992 May 29th. (假设我 ... ？) Thanks! (谢谢！) ask by dorafmon translate from so...

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

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495 views

1 answer

python - 未传递Django自定义模板标记参数(Django Custom Template Tag Arguments not Passed Through)

I have a custom template tag which accesses a model's method to get items. (我有一个自定义模板标签，可以访问模型的方法来获取项目 )However, when ... 这样做，因为我传递了正确数量的参数 ) ask by Silent Beast translate from so...

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

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362 views

1 answer

sql - 如何使用联接从表成分SQL中列出有关所购买表成分和成分名称的所有信息(How can I list all information about the table ingredients purchased and the ingredient's name from table ingredient SQL using a JOIN)

As you see in the picture below is the diagram, (如下图所示，) I need to create this query: List all information ... VARCHAR2(100) NOT NULL ); ask by Tiz translate from so...

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

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424 views

1 answer

opencv - 如何完全在Anaconda（Linux）上离线安装opencv？(How to install opencv on Anaconda(Linux) completely offline?)

I am looking to offline install opencv on Anaconda on Linux. (我正在Linux的Anaconda上离线安装opencv )What packages to download and how ... 软件包以及如何安装？) ask by Naveed Unjum translate from so...

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

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435 views

1 answer

linux - “ ip xfrm状态删除全部”，“ ip xfrm状态清除”和“ ip xfrm状态删除”命令的目的是什么？(What is a purpose of the commands “ip xfrm state deleteall” “ip xfrm state flush” and “ip xfrm state delete”?)

Please explain purpose of the following commands and differences between them. (请解释以下命令的用途以及它们之间的区别 ) ip ... deleteall ip xfrm state flush ask by Elena Gurevich translate from so...

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

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120 views

1 answer

java - 在HashMap中使用接口作为值(Using an interface as a Value in a HashMap)

I've got an interface for a housing system as follows: (我有一个用于住房系统的接口，如下所示：) public interface ITenant { public TenantType ... 但不了解它们如何与HashMaps一起工作 ) ask by Toby translate from so...

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

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266 views

1 answer

This is my Class: (这是我的课：) public class Recipe { /// <summary> /// PK /// </summary> public Guid Id { get; set ... should I do ? (我该怎么办？) ask by StartingAgain translate from so...

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

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499 views

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web - 我如何创建这样的网站“ https://epaper.bhaskar.com/bhopal/120/01122019/mpcg/1/”(How can I create a Website like this “https://epaper.bhaskar.com/bhopal/120/01122019/mpcg/1/”)

I want to create a website for a small newspaper publisher for example " https://epaper.bhaskar.com/bhopal/120/01122019/mpcg ... 助我 ) Thanks (谢谢) ask by Gagandeep translate from so...

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

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537 views

1 answer

linux - Zorin OS Nautilus更新后停止工作，可能未加载正确的版本(Zorin OS Nautilus stopped working after update, the right version may not be loaded)

I updated my Zorin OS PC and everything was working well. (我更新了Zorin OS PC，一切运行正常 )Suddenly the icons on the desktop ... 内核是5.0.0-36-generic) ask by Captain A translate from so...

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

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153 views

1 answer

javascript - 带有axios异步的ReactJS上下文API(ReactJS context api with axios async)

I'm trying to get data from api with axios (async) in app.js and create a context to access this data ... .Consumer export default UserContext ask by tour travel translate from so...

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

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