Jonic Developer Community

+2 votes

13.6k views

0 answers

Welcome to Our Knowledge Sharing Community-Open, Learning,Share

Welcome to developer's Knowledge Sharing Community-Open, Learning,Share 欢迎来到程序员专属的知识分享社区! 一个分享知识，传递知识，学习知识的社区！...

asked Feb 5, 2021 in Others[杂七杂八] by ostack (1.4k points)

0 votes

170 views

1 answer

python udp socket does not send data when the socket stream is changed

I am implementing NAT hole punch with python. The ip,port trading thing works in the local host, but it does not work between two internet networks. I think ... received the data? Is there any solution for this to implement NAT hole punch?...

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

0 votes

432 views

1 answer

如何退出git rebase 命令行

求问怎么保存并退出当前命令行编辑界面？...

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

0 votes

550 views

1 answer

c# - Migradoc : How to get ParagraphRendererInfo of Paragraph inside table

I am trying to add DocumentLink on the Paragraph which I have added using Migradoc. My Document looks like below I have added Tag to the Paragraph "API- ... table rows? I want RendererInfo becuase I want to get the LayoutInfo from that....

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

0 votes

341 views

1 answer

小程序怎么动态修改默认的启动页？

目前遇到了一种业务场景： 1 小程序的默认启动页，设置为页面A，当用户没有登录时，进入页面A，因为此时没有token，后端会返回403，前端会自动重定向到登录页 2 用户从登录页登录后，后端会返回当前用户的角色信息，前端会把角色信息存储在小程序的storage缓存里 3 如果是角色a，则跳转到页面A；如果是角色b，则跳转到页 ... 白的启动页C作为默认页，在这个C页面去判断用户角色，然后跳转到对应页面，但是这样也会有一个重定向的过程，体验和第一种办法差不多，有更好的办法吗？...

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

0 votes

456 views

1 answer

fstream - How to increase the buffer size used by rdbuf in c++

I am using below c++ code to copy a file (size is around 1.5-2 gb) from one location to another. #include <fstream> int main() { std::ifstream ... want to increase the buffer size for more better performance, How can I increase the buffer ?...

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

0 votes

218 views

1 answer

如果通过Mock单元测试Mybatis中的SQL？

如题使用Mock,而不是启动服务连接mysql服务的测试方法。...

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

0 votes

484 views

1 answer

table data数据更新后，插槽数据提示undefined,请问如何可以动态渲染数据?

删减了一些代码， 1.点击搜索之后查询10条数据，表能正常渲染出来 2.点击表末尾按钮加载新的10条数据，替换原来的tabledata数据后控制台报错，表没有变化还是第一次的样子 <div class="search-tool"> <el-input placeholder="请输入内容" :disabled=" ... == 1001) { callback && callback(num.data); } }) } 控制台检查表数据的时候发现数据已经变化了，但是就是报错 ...

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

0 votes

384 views

1 answer

antd table sort时能不能保证第一行永远在表头呢

表格里第一行是总览行，需要一直置顶，但是自带的sorter排序会把他加进去一起排序，假如给第一行加一个最大的权重，升序的时候又回排到最后一行，希望能保证这一行永远在第一行不变，怎么办呢？...

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

0 votes

497 views

1 answer

ansible 开发的最佳实践是什么？

之前写ansible playbook都是在服务器上直接vim编写，但是playbook越来越多，有没有什么ansible代码补全工具可以用。 vscode 上有 atom-autocomplete-ansible pycharm上有 OrchidE，但这个是收费的。或者写playbook有什么最佳实践？...

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

0 votes

268 views

1 answer

iview按需加载问题

vue-cli4，按需加载时，Tree的加载有问题 import { Table, Page, Tree } from 'view-design' components: { Table: Table, Page: Page, Tree: Tree },...

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

0 votes

218 views

1 answer

Java NIO注册时的一个疑问

对相同的通道注册不同的相关事件返回同一个SelectionKey，但其特性又不一样，这是怎么实现的？ public class Server { public static void main(String[] args) throws IOException, InterruptedException ... true key2.isWritable()=true keyCountB =1 set1 size=2 set2 size=1 key1==key2结果：true...

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

0 votes

482 views

1 answer

js Service worker注册时设置非根目录无法拦截请求

如题，例如访问/aaa/bbb，scope设置为/是可以正常拦截到的，如果设置为/aaa这样就会拦截不到代码：   <!DOCTYPE html> < ... } </script> </head> <body> </body> </html> // worker.js self.addEventListener('fetch', console.log)...

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

0 votes

225 views

1 answer

Laravel 请求接口调用2次

在做文章点击次数时，输出接口给前端，前端调用一次，但是接口却执行两次？？为什么呢？ Laravel 6.0版本...

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

0 votes

291 views

1 answer

python - Change encoding, downloading file from SAP

I'm trying to download some documents via SAP GUI using Python, but I get them with a wrong encoding. When I tried UTF8 manually - i got the wrong ... So how can I force SAP GUI use different encoding, use my settings downloading files?...

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

0 votes

83 views

1 answer

python - What is the conventional way to write external SQL files in Django

I'm making a Django app that connects to a PostreSQL database other than the database used by the Django app itself. currently, I'm writing SQL code inside ... saving my custom .sql fils? is there any special utility for this in Django?...

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

0 votes

400 views

1 answer

SpringBoot RestTemplate请求返回乱码怎么解决？

@Configuration public?class?RestTemplateConfig?{ @Bean public?RestTemplate?restTemplatMessageSdk()?{ HttpComponentsClientHttpRequestFactory?httpRequestFactory?=?new?HttpComponentsClientHttpRequestFactory ... (0,t); return?restTemplate; } }...

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

0 votes

137 views

1 answer

javascript - How after begin Text Node in DOM

According to the documentation https://developer.mozilla.org/ru/docs/Web/API/Element/insertAdjacentHTML the insertAdjacentElement function can only add an element object, and ... are NOT the same as you need to add the Text object!...

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

0 votes

429 views

1 answer

G2 4.0 Slider 没有onchange事件了啊，3.0都有，slider变化怎么监听页面数据发生改变啊

G2 4.0 Slider 没有onchange事件了啊，3.0都有，slider变化怎么监听页面数据发生改变啊，我需要根据数据变化动态处理一些东西，现在slider没有onchange 不知道怎么处理，用 object.defineProperty(chart.current,"filteredData") 能监听到，在React hooks，执行太频繁了，节流也没办法，一直会频繁触发，...

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

0 votes

580 views

1 answer

javascript - Copy each td cell text to your clipboard with a button

I am trying to set a button to each td text in the table that will copy the contents to your clipboard. I want to select the node contents of each text using jquery's this ... > Copy some even more text </td> </tr> </thead> </table> </html>...

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

0 votes

347 views

1 answer

Chrome哪个插件能开多个布局，同步点击和滚动，用不同的cookie和localstorage

类似responsive viewer，但要使用不同的cookie和localstorage 如题。。。...

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

0 votes

465 views

1 answer

VUE中axios二次封装后出现跨域问题，直接使用则不会

PHP的后台，已经配置好跨域以登录为例不封装的axios的用法： this.axios({ method: 'POST', url: 'http://api.xxx.com/member/login', data: { mobile: that.ruleForm.mobile, password: that.ruleForm.pass ... , password: that.ruleForm.pass }) 然后就出现跨域问题了，不知道问题出在哪里，有没有懂的大神？...

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

0 votes

197 views

1 answer

Cropping an image by color in Python

I would like to crop an image and for that, I am using the pyvips package (if you have another package which allows me to do the work faster than my method, ... I don't know why my function does not return what I want, the red rectangle....

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

0 votes

397 views

1 answer

关于 vue $refs 获取组件 this 指向的疑问

在使用 vue-seamless-scroll 组件的时候发现父级页面使用 <vue-seamless-scroll ref="seamlessScroll"><vue-seamless-scroll> 获取的 this.$refs.seamlessScroll 和在源码 mounted 打印的 this 竟然不一样... 是我理解错两个定义了吗不应该是指向同一个组件吗,懵了求大佬~~...

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

0 votes

107 views

1 answer

python 3.x - Data type conversion in spark

I have an column id which had type int but later changed to bigint. It has both types of values. from pyspark.sql.functions import * from pyspark.sql.types ... [id], Expected: int, Found: INT64 I tried mergeSchema did not work either....

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

0 votes

130 views

1 answer

前端如何处理bigint

除了axios里用 axios.defaults.transformResponse = [function (data) {}] 原生ajax和fetch要怎么使用呢？...

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

0 votes

228 views

1 answer

vue 中，eval(fn)执行方法，有什么替代方案

假设有 10 个动态按钮，每个按钮有对应的方法名 `<button v-for="(rs, index) in btns" @click="clickFun(" + rs.method + ")">{{rs.name}}</button> methods: { clickFun(fn) { // 当前使用 eval ,但是 ... / eval('this.' + fn) }, methodA() { // dosth } }` 这种的 eval ，有什么好的替代方案？...

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

0 votes

359 views

1 answer

xampp phpmyadmin missing file?

I'm a noob in programming. We're working with a database and login authentication works fine. I got suspicious when trying to create a new user. It didn't ... directory What should I do? Sorry if bad english. It's not my mother language....

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

0 votes

437 views

1 answer

Oracle VM VirtualBox已设置了几个存储磁盘，但安装系统时仍提示无可用空间，这个如何解决？

...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags