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305 views

1 answer

目前所完成： 1.开发完成打包成为一个dist文件 2.通过 SecureCRT, SecureFX上传到指定文件夹下 3.前后端分离，但是项目都上传到一个服务器（后端已经部署）期望： 1.能通过服务器公网IP 访问到我的项目（ ... 想问一下大佬：服务器需要下载什么吗？或者下载的东西再配置例如Nginx？但是不跨域的话也不用Nginx，所以比较懵...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

1 answer

vue pdf下载，有pdf的链接，要怎么写下载方法

如题，各种点击都是打开新页面，不是下载...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

vue 函数式组件如何获取dom？

这是函数式组件： <template functional> <div> 这是函数式组件 </footer> </template> <script> export default {} </script> ... 载到el-scrollbar里面，但是render出来的vnode的elm和componentInstance都是undefined，小白求解...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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427 views

1 answer

Google Sheets API - creating app scripts or attaching them to a Spreadsheet that was created with API

I am using the Google Sheets API to create a spreadsheet. I want to add an onEdit function to this sheet that calls ... editor and pasting in the function but do that with an API...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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409 views

1 answer

node.js - Decrypting RSA with JavaScript

I am writing a web app which receives an RSA encrypted response from a server. It needs to decrypt this file. So far, I have ... /g== Is there any way to try and get this to work?...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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v-for 和ref搭配使用发现$refs[‘aa’+i]不能用但是写死$refs['aa0']却好使

百思不得起解，哪位大神知道吗 html是这样的 js是这样的报错是这样的...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

1 answer

axios 请求体里，为什么没有参数

我写的有问题么？在线等 import axios from 'axios' axios({ method: 'get', url: "http://192.168.4.206:8858/purchase/listAll", // 测试 ... (res => { console.log(res.data) }).catch(error => { });...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

vue.js - Access Nuxt Router in plugin

I've created a Nuxt plugin that is loaded in the config file with some global functions. In one function, I'd like to access ... context.router.push({ name: 'route-name' } }) } }...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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300 views

1 answer

json里面能使用变量吗？

` // 例如json数据 json:{ data1:'xxxx', data2:'data1 + "yyy"' } ` 想表达的意思就是能能不能在json中使用内部变量？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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267 views

1 answer

angular - Toggle select menu options based on another fields value in FormGroup

I am trying to toggle between 2 sets of options given, another select menu's value. I am struggling with a way to ... each projectType. What should I do to allow this to happen?...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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474 views

1 answer

spring-task 设置10秒执行一次，怎么每次都执行很多次

每次都执行很多次 import java.text.SimpleDateFormat; import java.util.Date; import org.springframework.scheduling.annotation.Scheduled; import ... System.out.println("cron: " + sdf); } }...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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179 views

1 answer

Why does the background turn black but the text remains purple (HTML CSS)?

For some reason, a black background shows up out of nowhere on the p tags under the div when you put the CSS selector to #div1. If I ... make of it...) </h4> </div> </body> </html>...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

goland 做网页接口的断点调试

学习go 项目,vscode对go mod的支持不稳定,语法提示时有时无,转换回了goland .习惯用断点的方式调试程序,但是不知道goland如何进行接口和网页的断点调试,网上也搜不到相应的文章.谁能指点一二,或者 ... .Request) { 断点 var a=1 断点 var b=2 断点 var c=a+b fmt.Fprintln(w,c) }...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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193 views

1 answer

c++ - Is there a way to ensure lazy evaluation of BOOST_TESTs message?

Is it possible to ensure that the message macro parameter of BOOST_TEST is only evaluated, if the check actually fails. Lazy evaluation ... g++ 8.x (Win 10 / Ubuntu 18) 64 bit...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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526 views

1 answer

pandas的read_csv 返回结果不能去除行索引

pandas.read_csv如何去掉默认的行索引？网上说将index_col=False，但是不行，用的是python3.8...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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391 views

1 answer

react做todolist, 选中radio删除该条list,导致紧跟的radio被选中

问题描述 react编写todolist,使用radio进行删除，删除一条后导致紧跟的raido被选中代码效果：选中学习进行删除后，紧跟的读书也被选中了相关代码粘贴代码文本（请勿用截图） ... this, key)} /> {item.name} </li>) return ( <ul>{taskItems}</ul> ) } }...

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

0 votes

228 views

1 answer

python - Django: better way to save publication date

Hey I implemented a very bad solution to get around the datetime issue I was having inorder to save posts and show ... community's help to improve it. Thanks in advance. Cheers....

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

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379 views

1 answer

git - Duplicate Local Repo at different location so that changes made on Location 2 also apply to Location 1 locally (Windows)

I have a machine2 that has the resources I need to test a space consuming app. The issue is that machine has a ... network and I can access both from each other in File Explorer...

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

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226 views

1 answer

Python complex numbers from C++ strange output

I'm working on translating some code from C++ to Python and some values in python output are wrong. The expected output is pairs of ... (T, np.complex(r, -i)) print(T) print(' ')...

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

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361 views

1 answer

html - Why should we link in the HTML5 fallback the same format as the one browser doesn't already support?

I've been reading about embedding videos for my HTML page with multiple sources to maximize support for multiple browsers ... this example you can find here: Media file support...

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

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163 views

1 answer

编译器是如何工作的？

编译和运行期的加载是两回事：加载是加载二进制格式到不同的内存里编译器简单来说就是读入字节流处理后输出字节流的程序从读入字节流变换到输出字节流的过程，这块的过程是什么知识点？在编译原理书中只能看到编译器程序工作后的结果，将输入 ... 释器最终得到机器码才能在硬件上工作但是编译器本身是一个由算法和数据结构组成的程序，它怎么实现翻译高级语言的动作呢？...

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

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702 views

1 answer

IOS微信中，使用a标签跳转页面，返回上一个页面的时候如何才能不刷新当前页面？

在ISO微信一个用react开发的web页面中，用a标签打开一个word或excel静态资源进行下载的时候，会跳转页面进行预览，但返回的时候会刷新页面重新加载数据，有没有办法返回的时候读取缓存，保留跳转前页面的数据？...

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

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162 views

1 answer

c++ - Why do I have to access template base class members through the this pointer?

If the classes below were not templates I could simply have x in the derived class. However, with the code below, I have to use this ... main() { derived<int> d; d.f(); return 0; }...

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

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224 views

1 answer

Autogenerate Random Images with Colors & Text in PHP

I have attached a procedure that I can use to generate random images. This works so far. But now I would like to have an ... ("Content-type:image/png"); imagepng($img); ?> ```...

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

0 votes

544 views

1 answer

关于element-ui验证修改密码的问题？

当修改新密码与确认密码一致时，触发确认密码的验证，当修改确认密码与新密码一致时，触发新密码的验证，这样会形成死循环，代码如下 const validatePass = function ... /getChangePwd'].validateField('newpwd') return callback(); } } }; 改如何解决这个问题？...

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

0 votes

297 views

1 answer

html - How to resize an image to fit its container with CSS?

I am currently doing the Freecodecamp course, but I got a little stuck on one of the projects. This is the current state ... 1rem; font-size: 1.5rem; background-color: #303841; }...

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

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1.1k views

1 answer

pattern match weird behavior with scala 2.13.4

I have the following code and my issue is with the DropWhile Function for which the compiler complain and i can't really ... it a bug or limitation or am I not seeing something ?...

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

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210 views

1 answer

Testing a form in react not using redux-form but normal react-redux and checking state giving problems

I am using react with typescript here is the login form very simple one import React, { ChangeEvent, FormEvent, ... { type: actionTypes.SET_USERNAME, username: username, }; };...

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

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