Recent questions in Technique[技术]

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bash - How to add blank space in the middle of the line if the line is less than fixed length?

I would like to add blank space in the middle of the text file if the length of any line is less than the fixed ... provide the code for it. I apologise for not providing the code....

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

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Spring boot启动连接mysql报错

连接数据库的时候报错刚刚测试还插入了数据，使用工具也可以连接，为什么现在启动不了 org.springframework.jdbc. ... springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77) ... 33 more...

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

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259 views

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Unable to upload file using Angular/Spring

The title says it all. I need to upload files/documents to BE, somehow I just cant get it right! Angular service ... is always the same: Current request is not a multipart request...

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

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1.5k views

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element ui的el-input如何监听回车键。

官方暴露的事件中貌似没有enter事件，然后直接在el-input上写@keyup.enter也没能捕抓到事件，望大神赐教~~...

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

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476 views

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c++ - Managing an array of objects issue on Arduino

I am trying to manage an array of objects (this is a simplified version). When I create the objects statically, they ... code into the continuous loop() function void loop() { }...

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

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a链接被点击后，会在新页面中被编码一次，导致用户找不到地址

项目中头部有导航栏，导航栏所有页面都显示，其中一个是新页面的链接，这个链接没有被点击时是正常的(…？type=add )，点击后新页面中会显示成( …?type%3Dadd)，导致用户找不到页面，求教怎么解决项目是写在vm中的...

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

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ssl - Trusting self signed certificate inside pod

In our company's internal network we have self-signed certificates used for applications that runs on DEV or staging ... to handle this. Thanks in advance for your support....

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

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450 views

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vue 路由 name 有什么用？

我发现加了name 反而用不了。不加还好正常显示...

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

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207 views

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How I fix the problem Animation.CARD_TOP_IN_DESC and image.getImageUrl() display in red

I have a problem with an animation in the gallery. I have the codes in red. I am a beginner. I try ... new ImageTypeSmall(mContext, mPlaceHolderView, image.getImageUrl())); } } }...

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

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正则捕捉中(.*?)和(.*)的区别

Java使用正则匹配捕捉 1 Pattern p = Pattern.compile("name="sign" value="(.*)"/>"); 2 Pattern p = Pattern.compile("name="sign" value=*"(.?)**"/>"); 第二个比第一个多了一个?号，请问其中区别是什么...

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

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475 views

1 answer

numpy - Why doesn't python list remove() work for list of plots?

I'm trying to do some animation with FuncAnimation. Instead of using .set_data() I'm using this alternative structure: def ... exactly one argument (0 given) Why is that the case?...

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

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java - How to add comma separated text file data into different fields?

I am currently modelling a booking system for a cinema. Have been tasked with loading data from a text file and displaying ... .out.println("File access cancelled by user."); } }...

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

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移动端雪碧图background-position 用rem对不准位置除了sass还有什么好的解决方案嘛

移动端雪碧图background-position 用rem对不准位置除了sass还有什么好的解决方案嘛...

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

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660 views

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tensorflow - What is the actual use of num_words parameter in keras Tokenizer? How much overall does it affect the accuracy of my model

In the given line of code tokenizer=Tokenizer(num_words=, oov_token= '<OOV>'), what does the num_words parameter actually do and ... a very high value to it and a very low one....

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

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340 views

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reactjs - Deleting item in redux state is working in Firefox but not in Chrome

I'm developing a website with MERN stack (and Redux), and I have an issue with the delete item method. In Firefox, everything is ... </div> </div> </div> ); Somebody to help me ?...

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

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595 views

1 answer

url - Domain Name cannot be changed in Apache on CentOS 7

I have set up a server with a wiki and Wordpress and Nextcloud on a new Domain, let's say it's testing.com. When ... anything? Thank you so much in advance, this is killing me!...

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

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414 views

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关于jquery.lazyload使用中遇到的问题，求助!

发现这个插件似乎没有对动态插入的元素做处理，也就是说动态插入的元素是无法正常显示，而是一直显示loading图片，我现在的临时解决方法是，给新插入的节点加一个唯一的容器，然后对这个容器进行初始话 ... (index, elem) { $(this).parent('.box').css('background', '#fff'); } }); });...

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

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988 views

1 answer

ocaml - Type mismatch with operation on lists

New in Ocaml and I'm trying to implement a couple of functions to manage a list of a custom types. I'm trying to ... able to find the error :/, maybe this is a stupid question....

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

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292 views

1 answer

thinkphp5中，模块URL格式问题

讲道理访问app_extend模块中miaosha中的index方法不是应该写成 www.tp5.com/app_extend/miaosha/index 这个为什么是 www.tp5.com/app_extend/miaosha.index 中间用点连接帮助手册里面也没写清楚啊····...

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

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430 views

1 answer

为什么运行动画后，原本居中的位置却发生了偏移？

为什么运行动画后，原本居中的位置却发生了偏移？ <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> <style type="text/css"> ... "box1"> <span></span> <span></span> </div> </body> </html>...

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

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跪求大神:高德地图api 搜索出发地500公里以内的城市，怎么能解决？

搜索距离山西500公里以内的城市，没有找到相关接口，是后台造的数据？还是什么...

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

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694 views

1 answer

spring mvc直接访问jsp，返回的是jsp的源码？

首先在web.xml中配置了spring的dispatchservlet,匹配的是/*,如下所示： <servlet-mapping> <servlet-name>spring-servlet</servlet-name> <url-pattern>/*</url-pattern> ... 解析器的优先级调到最高了，jsp链接还是不会使用此解析器进行解析呢？...

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

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370 views

1 answer

通过数据中children的个数自动生成能点击展开的div

数据如图: 根据获取的这些数据要做出这样的效果: 最外面的父级一直都显示,点击后显示它的子级,如果子级还有子级,点击后又可以展开......

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

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310 views

1 answer

html - Round button wispform embed button

I have created this form using Wispform, I have fixed it on the bottom right of my webpage but I am not able to get it ... email.png" class="sendimg" alt="send"> </button> </div>...

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

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465 views

1 answer

How to render a multi-textured 3D model using LWJGL?

I am new to LWJGL and I've just learned how to texture 3D models using the same texture for every face. I ... do I deal with these multiple texture files? Can someone help?...

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

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465 views

1 answer

这个正则表达式为什么不行？

任意中文字母数字但是我试了中文为什么通不过？一直都是no 英文就可以通过这是为什么？ if(preg_match("/^[a-z0-9xa1-xff]{1,8}$/",$username)){ echo "yes"; }else{ echo "no" }...

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

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320 views

1 answer

javascript - Google script for Alphavantage gives weird results

I am trying to make a google script which i want to use in Google sheets. I followed a tutorial video on ... json['EPS']; Logger.log(overviewvalue); return overviewvalue; }...

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

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356 views

1 answer

.NET C# Webform专桉的Server.UrlDecode URL 中文乱码问题

我发现在不同的C# webform专桉下，Server.UrlDecode 有时候解析URL传入的query string中文会乱码，有时不会，我在两个专桉下的.cs档桉page_load之后都是 ... 有一加入一个 <globalization requestEncoding="big5" responseEncoding="big5"/> 导致乱码...

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

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