Jonic Developer Community

+1 vote

2.0k 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

119 views

1 answer

reactjs - is it possible to change state variable in useEffect hook?

I want to use same form for add and update. From the list page with a button click event i set recordForEdit state variable and passed it to the form. This is code ... " onClick={handleSubmit}> Submit</Button> </Grid> </Grid> </form> ); }...

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

0 votes

188 views

1 answer

javascript中，Array在函数内外调用的区别是什么呢？

function iner() { let a = Array.call(this, arguments); console.log(a); } iner(3); let b = Array.call(this, 3); 像代码中这样，打印的结果如下这是为什么呢，this不都是window吗？...

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

0 votes

320 views

1 answer

openApi中，发布配置接口中的tenant参数，需要怎么配置

openApi中，发布配置接口中的tenant参数，需要怎么配置...

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

0 votes

297 views

1 answer

php - Pestphp Error : Call to undefined function mock()

File Pest.php <?php use IlluminateFoundationTestingRefreshDatabase; uses(TestsTestCase::class, RefreshDatabase::class)->in('Feature', 'Unit'); File Unit/ ... Member has protected access, because the TestCase class is not being extended...

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

0 votes

170 views

1 answer

有没有人知道这个能不能做。

我们需要做一个获取英国用户信息的项目，获取身份证号。请问在项目里面APP和PC里面，能不能做用户实名认证功能？不知道做的话会不会违反GDPR隐私政策，请问有人知道能做吗？符合英国法律吗？...

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

0 votes

316 views

1 answer

react+ts 如何设置组件默认值？

react+ts 如何设置组件默认值？比说我的 width 当外面不传的时候想设置位100 ` import React, { Component } from 'react' import './card.scss' export interface Props { title: String, ... props.title}</div> </div> {this.props.children} </div> ) } } export default Card `...

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

0 votes

933 views

1 answer

bash - curl: (3) URL using bad/illegal format or missing URL AND HTTP/1.1 403 Forbidden

I have a problem with this code. It states that there is a URL issue but I don't see that as right. I am not responsible for the server though. I ... " echo "$secondsValid" echo "$TIME" done Anyone knows why I am getting the error ?...

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

0 votes

320 views

1 answer

php unoconv word转pdf格式乱掉了

命令：exec("unoconv -f pdf file/".$filename); word是两行转出来的pdf变成了一行有遇到这个怎么解决的嘛...

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

0 votes

291 views

1 answer

c# - Washed out colors in PictureBox

When I show a specific image in a PictureBox (or Cyotek's ImageBox in my case, doesn't matter), the color gets a little washed out. Most images ... is? Maybe some specific tag in this image that Windows and PictureBox handles differently?...

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

0 votes

422 views

1 answer

vue v-show为隐藏的时候内部元素的v-if条件还是会去执行？如何优化这种情况？

<div class="container"> <div v-show="currentNum === 1"> <div v-if="elJudge(1)">1</div> <div v-else="elJudge(2)">2</div> </div> <div v-show="currentNum === 2"> <div v-if="elJudge(3) ... 这边有想过这个，但是根据项目实际情况我这边不能使用两层v-if，因为v-if会让组件重新实例化，这不是我想要的...

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

0 votes

870 views

1 answer

php - Laravel 8 - Submit button not working with multiple forms

I'm trying to use a submit button that creates a registry (Memo) and it's products asociated to that Memo, however, I cannot get this to work. I think ... class="btn btn-success" id="btn_create_memo">Crear memorando</button> </div> </form>...

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

0 votes

334 views

1 answer

div中设置line-height，影响li中的展开动画，请问这是为什么？怎么解决？

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <style> ... () $(this).children('.sub').slideUp(100) }) </script> </body> </html>...

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

0 votes

391 views

1 answer

vue中使用video-player实现直播流，出现花屏现象

...

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

0 votes

368 views

1 answer

Spring Files.readString() does not work with Maven set to Java 11

Trying to write a simple application that reads a file and prints out the file's content. I read that Java 11 has Java.io.file library so I used it. I created a ... .java:[26,34] error: cannot find symbol [ERROR] [ERROR] -> [Help 1]...

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

0 votes

323 views

1 answer

为啥this.a输出是22,应该是11,this指向window啊

this.a = 11; console.log(this)//window function test2() { console.log(this)//指向window this.a = 22 console.log(this.a)//22? let b = () => { console.log(this.a) } b(); } test2()...

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

0 votes

410 views

1 answer

java - How to bundle/integrate React app in Gradle/Jersey (without any use of spring boot)?

I have a project with a back-end built on Gradle and a front-end built with React. However, I can't find any useful information online on how to build ... backend with frontend for deployment. If you have some tips or advice, please help....

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

0 votes

434 views

1 answer

spring boot 多个域名绑定

spring boot项目有前端，客户端，管理端，每个端用的二级域名不同，请问这个要怎么实现...

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

0 votes

491 views

1 answer

I can't assign every position to true in boolean 2D array with for loops in Processing 3.5.4

Hi I am making a small game (frogger), and I'm trying to make all of the water lethal to walk on. Anyways, I made a 2D boolean array called deathCoords[][] and ... on that spot it works: deathCoords[0][0] = true; Any way to fix this? Thanks...

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

0 votes

498 views

1 answer

jquery - Can I use JQ fetch url to pass data to a pre-defined PHP class?

I am creating a restaurant webpage. Here I want to add a "add to cart" button using form. The form submission will not refresh the page. So I have used JQ fetch ... btn btn-primary" name="add_cart" type="submit" value="Add to Cart"> </form>...

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

0 votes

458 views

1 answer

sql server - Combining two xQuery queries into one

INSERT INTO @TempData SELECT [ID], '209' FROM [ProductData].[dbo].[XMLtb] as tb Where NOT EXISTS ( SELECT 1 FROM [ProductData].[dbo].[Properties] p WHERE tb.ID = p. ... don't have boolean columns, so I can't think of a good way to do this....

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

0 votes

551 views

1 answer

php7.2的时区时间和网上对不上，是不是php7的时区有错误？

我将时区设置为斐济的时区 date_default_timezone_set('Pacific/Fiji'); echo date('H:i',time()); 但我电脑上显示的是21:03 （暂未进入夏令时）从某些网站上查的是20:03 （已执行夏令时）这是怎么回事？有懂这一块的吗？哪个时间是正确的？如果是php的错了，我需要怎么调才能调整对？...

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

0 votes

580 views

1 answer

discord.js - How can I console.log the 2nd part of the message after the command

Im making a command called -note, which would send a note to console for me to look at. I can't seem to figure out how to split the 2nd part after the command and then log it to console. Thanks...

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

0 votes

542 views

1 answer

java项目，如下web.xml中，为什么hfRequest可以，而HFRequestDispather却不进入后台呢？

<servlet> <description></description> <display-name>HFRequestDispather</display-name> <servlet-name>HFRequestDispather</servlet-name> <servlet-class>com.sunyard.serlet.HFRequestDispather</ ... 可以进入后台，而HFRequestDispather却不进入后台，也不报错，页面空白...

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

0 votes

714 views

1 answer

javascript - object` ("[object Response]") cannot be serialized as JSON?

I am trying to consume my api through code I am getting this error object` ("[object Response]") cannot be serialized as JSON But when I call or ... Response]") cannot be serialized as JSON. Please only return JSON serializable data types...

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

0 votes

644 views

1 answer

高德地图样式修改

高德地图上自带的公路样式怎么修改。...

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

0 votes

634 views

1 answer

c++ - missing string after returning object

I am trying to return an array of objects containing an integer and string, but after the return the string in the object is empty. Can someone help me please? ... the return, everything is as it should be, but after the string is empty....

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

0 votes

756 views

1 answer

linux - Automatic Synchronization with rsync

I am developing a script that will automatically keep a folder on two workstations synchronized using rsync. So far, I have gotten everything to work ... ="rams2020" while true do inotifywait -e modify $LOCAL rsync $RSYNC_OPTIONS done...

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

0 votes

737 views

1 answer

H5和小程序对应的视频预加载方式？

项目需求，目前视频作为动画全屏使用，H5和小程序有什么办法实现视频预加载当点击播放视频的时候不会卡...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags