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node.js - Mongoose - Update object array with multiple objects

I have a document that contains an array of line items e.g sku, description etc and i need to append a new field ... ", description: "item description", lineItemId: "5678" }] }...

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

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uitableview - How to push DiffableDataSourceSnapshot update inside main thread?

Im new to UITableViewDiffableDataSource, When I prepare the DiffableDataSourceSnapshot and apply? I can see that update is triggering ... on how to push it in the main thread?...

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

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When I draw a circle in Abobe illustrator CC 24.0.1, its stroke is not solid color, it's like some brush effect is applied there. How to remove that?

When I draw a circle in Abobe illustrator CC 24.0.1, its stroke is not solid color, it's like some brush effect is applied there. How to remove that? enter image description here...

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

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wordpress - How do I allow Netlify continuous integration to get past Wordfence firewall?

When trying to deploy my static website using Netlify I recieved this error message: If you are using a security ... anyone know how to stop Wordfence from from blocking Netlify?...

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

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Is there a Flutter library that can scan for WIFI networks and connect/disconnect to/from these networks, that works for Android API level 28-30

I am working on a Flutter app that needs to scan for WIFI networks and be able to connect and disconnect to ... any libraries/packages in Java/Kotlin that can accomplish this?...

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

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vue :style 动态绑定style，但是同页面中只要访问接口为什么就会刷新一次？

<div v-for="count in 8" :key="count" :style="{ backgroundColor: 'rgb(' + Math.floor(Math.random() * 256) + ',' + Math.floor(Math.random() ... 没有解决方法，拜谢~（别的代码块使用tabs标签页切换一次也会更换一次颜色）...

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

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vue 调用浏览器的打印时，如何自动设置好缩放比例？

我是使用vue-easy-print插件来实现模太框内的打印模太框的代码如下： <template> <div class="printDialog"> <el-dialog :visible.sync="printvisible" :title="print_params. ... 77%; } } 但是都不起效果，麻烦帮忙看一下，可以怎么解决，谢谢！...

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

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php - Can't use ajax passed value in entire wordpress plugin

I wanted to pass a value from front-end to back-end via ajax, then use that value for a calculation plugin. I managed to ... function (jqXHR, status, error) { //error handler }); }...

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

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flutter - Making soap bubble input selection (like in apple music)

The goal is to develop a widget where I can pass an array of strings and it generates the soap bubbles like in the ... video I am talking about: https://youtu.be/ydYah_BXt9A?t=29...

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

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python爬虫爬取网页的内容和网页源码不同？

可以看到这里id为k_total的元素值不同，爬出来是1，网页源码是55 附还未完成的代码： import requests from bs4 import BeautifulSoup import re head={ 'User-Agent':'Mozilla/5.0 ( ... 题，这个网站的图片格式似乎被加密过，单爬取打不开，还请大佬们点拨如何解密 ...

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

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C#, how to return string as result from Async/Await Task

I got Async private method that call 3rd party WCF service and in return it get string value. I have added await to ... (); return response; } not sure what I missing here?...

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

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reactjs - react-redux Component failing to load at the first API call

I am facing an issue in react-redux where I navigate to the Component it crashes at the first API call, ... .development.js:597) at flushWork (scheduler.development.js:552)...

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

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使用jquery的ajax方法跨域请求图片，前台无法直接使用？

跨域请求图片的时候，在network的preview预览里可以看到请求的图片，但是控制它console的时候，图片的格式是图中的乱码格式，前台这边无法使用img标签的src直接渲染，请问各位小伙伴，这种情况怎么办，是要用什么方法转一下吗还是？？求助......

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

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请问大家H5的移动端顶栏是怎么实现动态内容？

绝大多数页面都有顶栏，而且大多数页面的顶栏内容都不一样。顶栏内容通常都是：左侧返回或关闭，中间标题或下拉，右侧有+号按钮，有更多按钮，有关闭按钮。顶栏这部分是做成了公共组件，然后每个页面去写标签吗？还是用动态组件？...

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

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c++ - Why does libc++ allow recursive locking of std::mutex?

std::mutex is nonrecursive, and violation of that is UB. So anything is possible in theory(including works ... practices, I am just curious about obscure implementation details....

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

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python - PYGAME : Why does calling a function inside the game loop inside Game loop make my game lag?

I am making a simple game where enemies move around on the screen and we need to shoot them.I wanted to modularize my ... to lag due to reduction in FPS.Why does this happen?...

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

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intellij idea - Code style formatting without google-java-format plugin

Please tell me how to use code style formatting in IDEA? I used the google-java-format plugin and it works very well for me. ... plugin? I don't want to use a plugin. Thank you!...

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

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求救，php无限极分类不用递归怎么处理成层级结构？

`$arr = array( array('id' => 1, 'pid' => 0, 'name' => '分类1'), array('id' => 2, 'pid' => 0, 'name' => '分类2'), array('id' = ... pid' => 10, 'name' => '分类4-1-1-1', 'level' => 3,), );`...

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

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javascript - unzip Api Response ZipFile c# mvc

I got application/x-zip-compressed as Content-Type in the api response How i get the data in this Zip file to a string in c# ... { response.Close(); } catch { } } return resp; }...

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

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c# - How to set PrefetchCount when using ConnectReceiveEndpoint with MassTransit?

As default, MassTransit sets the PrefetchCount to 16. I would like to change that. I can do this when configuring MassTransit. But ... (2))); }); }); await hostHandler.Ready; }...

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

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flutter - Waiting for getLinksSteam before continue

my problem is that my app won't wait for getLinksStream to be ready. In my case i want to login with OAuth2 and i ... here? (And sorry for my english. Its not my main language)...

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

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echart如何实现这种旭日图

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

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1 answer

使用命令行打开vscode,并在vscode的命令行内执行相应命令

我是想做一个cli工具，用来打开vscode并执行相应的命令第一步已经知道了， code + 路径第二步不清楚怎么实现（网上没查到相关的资料）...

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

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OC 内存管理问题

最近学习 OC 内存管理遇到个问题 main.m int main(int argc, const char * argv[]) { Person *p1 = [[Person alloc] init]; Person *p2 = [[Person alloc] init ... 可能和内存管理没什么关系，可能是变量引用的问题，初学 OC 希望大佬们指点下～...

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

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docker-compose格式错误

docker-compose总是因为格式问题启动不了，有什么办法可以格式化之类的...

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

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void SlowSocket::close(){} 这是直接给类添加类方法吗？

我在看一个代码的时候： void SlowSocket::close() { if (-1 == sockfd_) return; slowlog(LOG_DEBUG, "closing slow socket %d ", sockfd_); if(ssl_ ... close()吗？ 2）方法中直接写： ::close(sockfd_); 这是什么意思呢？...

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

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uni嵌入的webview，怎么调用uni的api

我嵌入的是html页面 <script type="text/javascript" src="//js.cdn.aliyun.dcloud.net.cn/dev/uni-app/uni.webview.0.1.52.js"></ ... > 报错信息19:21:41.939 [ERROR] : Script error.filename:lineno:0...

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

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querylist采集不到带小数点的字符串

thinkPHP5采集不到带小数点的字符串，text属性采集不了，html属性也采集不了，求大神指点了...

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

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