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关于vue-li 中配置proxyTable后报错的问题

先贴出报错截图：下面是对config/index.js中proxyTablede的设置以及在组件的使用：最后贴出终端的报错：是我配置错了？还是测试接口不支持跨域的？...

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

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React native elements Checkbox selecting multiple items using react hooks

I need a little help trying to figure this out. I am using react native elements flatlist with a checkbox inside of it. I ... containerStyle={styles.checkBox} /> )} /> </View> ) }...

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

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android - Requested permissions do not match core functionality of the app

I created an app, where in app need a permission for Read_call_logs to provide a service, where user select span, unsaved, ... . Till now 4 Times got Rejected. Thanks in advance =)...

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

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http - Google Cloud App Engine gives Cannot Get / for the first request

I have a perfectly fine express node.js app that serves http requests. I put it on Google Cloud App Engine. It serves ... bucket" handlers: - url: /.* secure: always script: auto...

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

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visual studio 2019 - Docker Desktop is not running

I am trying to run Web app from visualStudio2019 and get the following error in the 'Docker Tools' output: ========== ... = Docker Destop do run on my computer. How can I fix that...

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

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pip install出现下面图中的报错什么原因？

这是什么错误？如何解决？求大神指导...

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

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digital ocean - Can't add http://localhost to DigitalOcean Spaces CORS Rules

As you can see from the image is it not currently possible to add http://localhost as a CORS rule....

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

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500 views

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dns - How to use PowerShell to delete a single NAPTR record?

I created a new NAPTR records using the GUI. However I'd like to delete one of them using PowerShell. I can prove there are 2 ... 4.4.4.4 > How can I delete a single NAPTR record?...

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

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java - Checking for Method existence JUnit

I'm writing unit tests for a class A: public class A { public void sayHello() { System.out.println("Hello!"); } ... () because I already have a large codebase with code like this!...

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

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给thinkphp5项目配置的虚拟主机，本地无法访问？

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

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对于Web端有什么好的获取客户端摄像头画面并显示方案

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

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既然HTTP也可以上传下载文件，为啥还需要FTP？

既然HTTP也可以上传下载文件，为啥还需要FTP？最近在学习计算机网络，看到FTP的时候，这里不太明白，谢谢。...

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

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1.1k views

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swift - draw() iOS chart with gradient fill to PDFContext

I am using the iOS Charts library to generate some line charts with a gradient fill (below the curve) and everything is ... draw() works is wrong... any help will be appreciated....

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

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方法形参上可以用多个@RequestBody吗，封装不同的对象

在方法的形参那可以用多个@RequestBody来把json字符串封装成多个对象么？用一个@RequestBody.肯定可以，多个这个注解可以封装多个不同的对象么……...

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

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409 views

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vue组件注册问题

使用的是vue脚手架里的webpack-simple 在想在app.vue中引入一个v-footer组件 app.vue: import footer from './componets/ ... "name" option. (found in <App> at C:UsersZhangDesktoptestyipaosrcApp.vue)...

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

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Webapp 关闭后重新打开无需登录如何操作？

我是个新人，最近给公司做一个webapp（是那种扫描二维码进入页面的），测试的时候有个问题就是，如果关闭了页面，重新扫描二维码会要求重新登录，非常的麻烦，我查询了百度，发现用HTML5的localStorage可以解决，但我毕竟是个新人，所以不知道，这个如何和数据库里面的数据进行匹配或者校验？...

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

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javascript - When more than 1 div append, the dropdown option increases which I retrieve from DB

Before 2 div append, my dropdown looks like: But as soon as I click the button to append another div it looks like ... 's and class names are written in English. Thanks in advance....

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

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performance - How do I budget my fragment shader pipeline?

I'm making a 2D pixel-art game in Godot. Besides drawing a whole lot of sprites, I'm thinking of doing ... later down the pipeline? Would this cause any special performance issues?...

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

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ajax请求php，在返回信息前面出现了奇怪的红点点

有没有大神遇到过这种情况...

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

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phaser.js方法setPreloadSprite不显示

<!DOCTYPE html> <html> <head> <title></title> <script src="//cdn.jsdelivr.net/phaser/2.4.1/phaser.js"></ ... game.add.setPreloadSprite(preloadSprite); } </script> </body> </html>...

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

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browser-sync无法实现页面刷新

没有watching files... 第一次安装使用browser-sync的时候可以实现网页的监听，今天用的时候就不行了。我重装browser-sync也不行。小白求解释，谢谢各位大牛！！...

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

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webpack中alias配置中的“@”是什么意思？

output: { path: config.build.assetsRoot, filename: '[name].js', publicPath: process.env.NODE_ENV === 'production' ? config.build.assetsPublicPath : ... ------------------------ },...

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

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int 是线程安全的吗?

例如在springmvc的controller中 public class EnchashmentController extends BaseController { private int a = 0; @requestMapping("") public ModelAndView ... 后,这里输出的a是否就是 10000 或者 100000呢?...

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

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swoole制作聊天室有waring:swManager_check_exit_status

swoole制作聊天室,在服务端执行 php server.php 开始没有出现WARNING 当有客户端连接之后，出现warning $104903.0] WARNING swManager_check_exit_status: worker#0 ... PHP 7.0.17 Apache/2.4.18 (Ubuntu) swoole-2.0.7...

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

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怎么在s.onchange里取得外层index?

function callBack() { if(xhr.status == 200 || xhr.status == 304) { if(xhr.readyState == 4) { var data = JSON.parse(xhr.responseText)["城市代码"] ... [j]["市"][m]["市名"]) // } } } } } } }...

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

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javascript - Chart.js compress vertical axis on barchart

I have a dataset in which the last value is always very high. This causes an issue with my bar chart; ... the internet for something like this but unfortunately without much luck....

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

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javascript - How to combine 3 change events to hide a div

I am trying to hide a div when multiple different options are chosen. I have the below for the first button element but I am trying ... } else { myDiv.hide().blur().change(); } });...

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

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python - Pandas Merging 101

How to perform a (INNER| (LEFT|RIGHT|FULL) OUTER) JOIN with pandas? How do I add NaNs for missing ... this first) Index-based joins Generalizing to multiple DataFrames Cross join...

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

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