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php - How to run Websockets on XAMPP and LAMP stack

I have a next stack: Windows, XAMPP v.3.2.2, Laravel 6. I'm using this package to crate a live chat https ... true" way of running websockets with Apache? (and locally, with XAMPP)...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python 3.x - How do I download Telegram messages in reverse?

I am getting all messages of a Telegram channel via GetHistoryRequest. I would like to run a script every day, which gives me the ... =0, limit=limit, max_id=0, min_id=0, hash=0 ))...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Python Regex: Extract all occurences of a substring within a string

I am trying to extract all occurrences of a substring within a string using Python Regex. This is what I have tried: import re ... to achieve is ['10'x20'', '10x35cm', '30x35cm']...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - JSON-Server API request from two api's. I need to enter a postcode and return weather information

I'm using JSON-server to create a weather app. I would like to call the provided API with a GET request to retrieve the ... > <button type="submit">Submit</button> </form> ); }...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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有人使用过bootstrap fileinput 插件吗？他的断点续传服务端是如何用nodejs操作的？

最近做断点续传，因为不小心用了这个插件。但语言限制了我的知识点官方文档：https://plugins.krajee.com/fi... 因为它是用php语言做的服务端。服务端切片合并没看懂。nodejs需要什么流程呢。以及返回配置是否是这样？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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megamenu error backend magento 2 how to solve?

I am using the magentech medisine theme for magento 2.3.6, when trying to make edits to menu items, for ... your help since already thank you very muchenter image description here...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - App actions doesn't work with google assistant for Internal testing version

I developed an application with react-native and I add app actions to the application. I followed instructions on ... work with voice assistant without create preview by AATT?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to add mulitple buttons to a Kivy Layout

I am trying to a make a music player using Kivy, which will just have two button; one for play and one for ... ) I get served this TypeError: the first argument must be callable...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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有哪位试过用"Cookie免登录"来登录好人卡网站吗

我最近在学习怎么使用selenium模拟登录，然后get cookie，用来下次自动登录，在尝试自动登录百度的时候，没有问题，但这个网站让我很难搞，这是我的代码 url = 'https://www.haorenka.co/' def ... 录这个网站吗，这里注入cookie，页面刷新后一直没有效果，难道要我吧cookies写进文件里，再读出来才行吗...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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TP6的关联模型，怎么获取主模型的数据？

比如主模型中有2个字段['user_id', 'card_part_id']要与关联模型中的2个字段['user_id', 'card_part_id']相对应，这个该怎么写？我在主模型中是 public function userRate() ... css'])->paginate($limit); 哪位大佬帮忙下，或者我是走了歪路，这样写是错的？？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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关于kafka的问题？

kafka的问题，如下图：为何是2n+1。如果容忍2台机器故障，总共4个副本（也就是2n个）不行吗？有半数以上，也就是3台机器成功复制了，那么无论是哪两台故障，也有一台成功复制，这不也行吗？2n+1不是多了一个？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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A question about the execution sequence in Javascript Iterator

class iteratorWithoutG { [Symbol.iterator]() { let val = 0; let threshold = 10; return { next() { if(val >= ... it be displayed before the Array?? Was the Array stored somewhere?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Conditionally insert a piece of Django template with HTML code into my template using Javascript

I am trying to create a template with Django to use with all the pages I have in my project. All the pages ... and make it test for the Django variables in the template tags....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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element-UI的dialog的头部那一条能去掉吗？

问题描述 element-UI的dialog的头部那一条能去掉吗？就是图中红色框圈中的那一部分问题截图期望效果...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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怎样理解对象转换问题?

console.log({}==0) //false console.log([]==0) //true 这个是什么原理,到底调用了什么方法?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mariadb - Context of MySQL wildcards

I am trying to get a better understanding of the context in which MySQL interprets wildcards, especially the _ underscore wildcard, which ... +-----+ 1 row in set (0.00 sec)...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Elasticsearch query issue on date-time ranges in a nested object

Hi I am using spring data Elasticsearch to form a query and have the following data indexed in my elastic search Indexed Data [ { " ... "version": { "created": "7100199" } } } } }...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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js如何使用Proxy代理，实现读取window下的变量时改变其默认行为

这是一道题，实现console.log(a == 2 && a === 3 && a == 4)为true: 用Object.defineProperty的方式去实现不难，然后不都说可以用Proxy去实现Object.defineProperty的功能 ... ) console.log(a == 2 && a === 3 && a == 4) //true...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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json - How to work with nested list of dicts for docxtpl jinja2 tags in python

I have a list that contains dictionaries of lists that contain dictionaries of lists which contain dictionaries of key/value pairs. ... this data set.. I'm pulling my hair out!...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java 一段代码没有明白，求解答，谢谢

String str = "room_id=6911880153266785031&hold_living_room=1&is_login=0&enter_from_uid_by_shared=0&scenario=0&enter_source=live_merge-live_cover&live_reason= ... 结果大相径庭，这是为啥？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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electron如何让页面自动全屏

浏览器由于用户隐私协议，必须手动触发才能调用fullscreen API,在electron中，是否存在配置，能禁用掉这个限制？目前试的autoplayPolicy: no-user-gesture-required没什么用，求助！...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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intellij idea - Deploying a JavaFX program using Java 11

I am trying to deploy my JavaFX project (which uses Java 11). I found some other tips online that said to create ... libraries or tools. For reference, I am using IntelliJ IDEA....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Passing interfaces instead of concrete classes into @ChildContent's [CascadingParameter] using <CascadingValue> in blazor

I have Item implementing IItem, and ItemContainer implementing IItemContainer. In ItemContainer.razor I have the following, passing ... params. Is there a way to make this work?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.5k views

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Vue项目，JS怎么控制一自然天里只在第一次打开的时候触发某个事件？

项目需求：一天内只在第一次打开的时候触发某个事件？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.7k views

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How `set.contains` works in Scala?

Consider the following code: import scala.collection.mutable case class A(b: Int) { override def equals(obj: Any) ... Can someone explain how set identify two objects being equal?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vite是怎么做到编译速度更快的？

vite原理是什么，是怎么运行到浏览器的，为什么能实现秒开...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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开发人员应该懂多少运维？

刚刚过去的 AWS re:Invent 大会上， CTO Werner Vogels 在他针对开发者的 Keynote 中，他基本上用了整个的篇幅，为大家阐释了在云上构建应用系统的过程中，应该考虑到到那些运维的痛点在结尾的时候他再次强调了讲了好几年 ... 作为开发者，特别是云原生应用的开发者，你认为运维是什么？开发人员需要懂多少运维？应该怎样和运维协作？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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eggjs的agent中使用messenger.sendToApp不能给worker传递方法。。。

agent.js ` //这里处理定时任务，初始化这个定时对象obj并传递给每个worker //每个worker使用这个obj中的方法,下面是这个obj伪代码 const obj = { name:11, ... messenger.sendToApp只能传递静态属性?有什么办法可以给app.js传递对象全部属性供controller使用么？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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