Recent questions

0 votes

625 views

1 answer

bash - Jenkins Job failing while checking service status

We are running a jenkins job which runs a script to check the status of the kafka service. The kakfa instances are kept in for loop. ... the instances.." exit 1 fi ''' } } } } }...

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

0 votes

715 views

1 answer

javascript - Trigger sometimes does not work, I do not understand why

I need your help. I have an active google form where customers register. When I submit the form I have 3 activators ... for me? Thank you so much for your invaluable help. Mauro...

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

0 votes

946 views

1 answer

求指点nodejs用request大量发送post总是出现ETIMEDOUT

因为业务问题需要一直查询数据库发送post给各个网站，然后明明对方网站能ping通，能访问，但是总是报超时连接错误，有没有大佬原因帮忙看看，愿意付费入口 const db = require('./db/ ... function(err, rows, fields){ if(err){ rej(err); } res(rows); }) }) }, }...

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

0 votes

1.4k views

1 answer

angular - Display employee in specific department foreign key

I'm building a web app using Angular + Typescript. And I have ASP.NET Core Web API, I have two components one is ... .getDepartementLookup().pipe(map((r) => r.items)); }...

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

0 votes

1.3k views

1 answer

g++ - How can you add threading support to CodeBlock's compiler?

I'm on Ubuntu 20.04 and with g++, I can compile a code with pthreads in it using 'g++ -o file file. ... the pthread support to CodeBlock's compiler, so that it supports pthreads?...

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

0 votes

1.1k views

1 answer

arduino - Is there a possibility to get pseudo response from RS485?

I'm not very good at programming, but I am trying to make simple communication between USB to RS485 converter and ... real data to the system there would be no data collision....

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

0 votes

1.2k views

1 answer

es分词疑问

业务数据里有个描述字段包含cjx1，cjx2（中间，开头或者结尾）等，我用query_string 搜索cjx ,无法搜出任何结果，必须用cjx1或者cjx*,请问我能做到直接用cjx搜索出cjx1和cjx2吗...

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

0 votes

1.2k views

1 answer

Swoole 达到协程数量上限后，如何阻塞等待释放？

当设置 max_coroutine 为 10，当创建的协程达到最大数量10时，协程创建失败，业务不会执行，如何让其阻塞，让其等待其他协程释放后，再唤醒进行创建协程？ const MAX_COROUTINE = 10; Runtime ... // 业务1 }); Coroutine::create(function () { // 业务2 }); } });...

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

0 votes

1.4k views

1 answer

strapi give error on fresh installation /content-type-builder/content-types/application 400

i am trying to migrate my site into strapi today, but when i install with npx create-strapi-app name --quickstart, i ... know whats wrong? and maybe know how to solve it? thanks....

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

0 votes

2.0k views

1 answer

webpack. mini-css-extract-plugin ivew样式失败

// 修改 webppack 配置文件后需重启才能生效 const path = require('path'); const VueLoaderPlugin = require('vue-loader/lib/plugin'); const ... 用MiniCssExtractPlugin之后启动项目就报ivew样式的错，有前辈们遇到过一样的情况吗...

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

0 votes

2.6k views

1 answer

git - Repo with non android projects

I am working on a project where I am trying to unite several modules into one solution. The modules are each in ... 10:01 Setup_AQ/ Any help is appreciated here. Thanks! Adam...

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

0 votes

2.9k views

1 answer

npm run build打包vue项目报错UnhandledPromiseRejectionWarning

npm run build打包vue项目报错UnhandledPromiseRejectionWarning: Error: ????????????·???? 网上查了很多，几乎都是抄来抄去的答案，解决不了问题……求助求助!...

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

0 votes

2.7k views

1 answer

官网示例代码和本地跑的结果并不一致是怎么回事?

链接地址：http://querylist.cc/docs/guid... $data = QueryList::html($html)->rules(array( 'image' => array('.xx>img','data-src') ))->query()-> ... 结果是抓取的所有信息集合但是同样的demo在本地运行只能打印一个元素出来 ...

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

0 votes

3.0k views

1 answer

如何让背景色，铺满整个屏幕，并且高度随内容自适应

如何让背景色，铺满整个屏幕，并且高度随内容自适应...

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

0 votes

3.4k views

1 answer

javascript - Using anime.js and media queries for responsive design

Hello everyone! I have been working on this logo-click animation using anime.js and finally got it down for desktop view, but later ... "twitter icon"></a> </div> </div> </body>...

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

0 votes

3.3k views

1 answer

android - React native push notification for local notification without firebase not possible

React Native project with push notifications, I use this. I follow this tutorial. I only need local notifications. ... unfortunately). But is this also possible without firebase?...

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

0 votes

3.2k views

1 answer

layer,layui的弹窗里加上传组件点击为什么失效

弹窗里的上传组件哪位老哥做过，我做了，点击没反应 initAfterSale() { var div = $('.tt').html(); layer.open({ type: 1, area: ['420px'], //宽高 content: ... ; }, error: function() { //请求异常回调 } }); }); } }); }...

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

0 votes

3.7k views

1 answer

angular - How to display a table of data without waiting for the end of a function

i am not fluent at speaking in english so excuse me for my bad english. I am trying to display data one by one without ... of waiting for the full array to load. Thank you ! :)...

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

0 votes

7.8k views

1 answer

Java Timer schedule疑问

按照接口文档，schedule方法会以特定的延迟执行任务，相当于在前一个任务完成时，再delay一段时间执行下一个任务 @Test public void test2() { Timer timer = new Timer(true); timer ... 个start不应该延迟5s再输出吗？可实际运行，输出end后总是立刻输出了start，感觉不太对啊 ...

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

0 votes

3.7k views

1 answer

vue+element多选表格在触发select-all的时候怎么获取取消选中的行?

element中多选表格使用select-all方法,想获取取消选中时的行数据,但是API的参数只提供了selection，即选中的行，取消的时候selection就变为空了这个时候没办法知道取消行我想要获取取消选中的那些值应该要怎么办...

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

0 votes

3.4k views

1 answer

谁有现成的前端搭建好的项目？

该项目包含env.development，开发模式，生产模式切换。如果更完善，包含axios，单元测试等就更好了。求助大佬~谢谢！...

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

0 votes

3.7k views

1 answer

如何基于相同字符串上锁？

我有一个方法，接受一个字符串入参，方法会被并发调用，我想在传入相同字符串的调用间上锁，比如有两个线程同时传入"abc"调用该方法，那我希望他们不能同时进入，需等一个完成另一个才进入与此同时，另一个线程传入"xyz"的调用则不受影响所 ... 在程序运行期间是会被传入无数不同的字符串调用无数次的，所以驻留下来的字符串会很可观，所以我想改进求支招，谢谢！...

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

0 votes

3.9k views

1 answer

js中怎么把像"10月2日 23:23:34开售"之类的字符串直接转成时间戳的函数？

如题js中有把像 "10月2日 12:12:12开售" 或 "2020年12月5日 12:12:23结束" 转成时间戳的函数，其中年可能带可能不带，时间后面有汉字，而且汉字字数不确定。...

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

0 votes

4.0k views

1 answer

有没有做模拟渲染网站的快速解决方案？

由于网站用vue写很多内容要js执行后得到比如meta信息现在需要做一个模拟浏览器渲染的过程以骗搜索引擎爬虫有没有现成的开源方案？题意划重点：知道ssr和预渲染但是不想自己写了。。。...

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

0 votes

4.0k views

1 answer

mathjax 的减号不见了

地址在这里：https://ethsonliu.com/2020/06... md 原文是，由以上结果很容易得知，$x_3-x_0$ 的最大值是 7，也就是上面三式里的最小值我看了下 css，没啥问题，那个减号也是 (51,51,51) 几近黑色的 ... 发现了这个问题暂时没想到其它可能引起这个问题的原因，希望有了解的大兄弟提点一下，先行谢过 ...

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

0 votes

3.9k views

1 answer

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)

0 votes

3.5k views

1 answer

网页跳转如何保留上个页面的参数，以便返回时保持相同的状态？

页面A是有本身需要用到的queryString传过来的两个参数叫firstSubject和secondSubject，这两个参数页面B不需要用到页面A还有筛选按钮，点击筛选按钮跳转到筛选页面B，因为有三个不同的筛选类型（等级，地区，专业）， ... 目前的做法是都通过queryString传，但是觉得逻辑很乱，代码可读性很差大神们有什么好的方案推荐吗...

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

0 votes

3.7k views

1 answer

vue CSS过渡和CSS动画

官方文档里面提到了这个我对照这个图，个人理解是vue中css动画的v-enter类名会在动画执行过程中一直在目标dom的标签里面，直到结束动画触发animationed事件时候这个v-enter类名才会消失？是这个意思吗？还是不太懂，哪位大神能给我举个实际的可以看得到效果的例子解释一下，非常感谢！...

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

Categories

Just Browsing Browsing

Most popular tags