Recent questions in Technique[技术]

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最近在做的工作涉及到KVM虚拟机的网卡管理 KVM虚拟机创建时，如果采用默认创建或者是通过virtmanager可视化创建，虚拟机的网络会通过名为 vnetx （x是一个数字）的虚拟网络设备（好像是tap？）连接到主机上的KVM默认网桥，我现在想要 ... 的话能在虚拟机创建阶段就完成，因为我希望整个过程是自动化实现的请教各位是否有实现思路不胜感激 ...

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

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php自动生成model类，大家看看怎么样？

自己写了一个composer包用于为数据库中的表生成model类，欢迎大家点评，我感觉对于开源的框架可能用途不大，框架都有自己的orm，但是适用于yaf phpslim等没有model实 ... gen-models model database path 注意:gen-models可执行文件在https://github.com/fanqingxua......

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

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azure - Upload large files ( > 4MB) to OneDrive using Graph API and JSON batching

I can upload large files (sie > 4 MB) to OneDrive using the standard process mentioned by Microsoft (create ... 0, &fieldMapPtr, strJSONBatch); // Executes JSON batch request...

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

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javascript - Prevent Multiple Instances for SetInterval

What is the most recommended/best way to stop multiple instances of a setInterval function from being created (in javascript) and call it only once?...

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

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php - PDO filter system with Ajax. Is there a better way?

I am trying to filter some inputs of the user with select boxes. I am figuring if there is a better way doing ... way of filtering multiple select boxes. Here is an example: link...

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

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elementUI图标按钮调整宽高后图标如何居中？

<el-button class="outLogin" icon="el-icon-switch-button" circle type="info" @click="outLogin"></el-button> .outLogin{ width: 36px; height:36px; ... : 10px } 调整了按钮的大小，图标位置变了，如何设置到圆心...

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

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javascript - jQuery : How to enable jQuery code to run within freshly constructed Modal

I have got a common Modal below. <div class="modal fade" id="OptionModal" > <div class="modal-dialog"> <div ... the document scope. Please can anybody tell me what's going on?...

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

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google apps script - "Service Spreadsheets failed while accessing" on (seemingly) simple code

Does anyone have an idea of why my code is throwing the "Service Spreadsheets failed while accessing" error? I've read ... (row_num, column_nums[i]).setValue(new_maxes[i]) } };...

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

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读取Spring.xml文件，获取ApplicationContext在其他方法使用，但对象为null，如何解决？

（未使用SpringBoot和Spring MVC，独立使用Spring）独立使用Spring.xml 做项目配置文件，通过ClassPathXmlApplicationContext读取加载后，把获取ApplicationContext对象 ... > <version>5.0.17.RELEASE</version> </dependency>`...

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

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如何删除动态的js？

比如我动态的创建了script标签，从textarea获取动态写入的内容 var num = 1; setInterval(()=>{ ++num; console.log(num); $('.box').html(num); },1000) 然后添加到body里 ... 发现，之前写的js还在执行有没有什么办法可以清除之前的js，各位大神指教一下，谢谢！...

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

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Spark 任务瓶颈分析

我先说说我的机器，一台 master，性能肯定够一台 slave 节点（配置为 6 核 10g内存单块硬盘） master 节点只负责管理，不参与任何运算然后发现了一个很奇怪的现象，在 Logistic Regression 中有 ... 引起的呢，因为前面几个 stage 中，每个 task 的运行时间长短不会随着 executor 的增加而变慢 ...

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

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vue打包js文件报错

vue打包后看js文件报这种错误！有遇到的吗？...

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

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如何对数组里的属性值递归处理

原始数据： let data = [ [ { text: "新鲜度 : 2天", }, { text: "新鲜度 : 1天", } ], [ { text: "等级 : 优良", }, { text: "等级 : 精品", ... , { "spes_desc":"新鲜度 : 1天,等级 : 精品,单位 : 袋", "is_defalut":"0" }, ]...

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

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这个是说不支持这个格式，应该是有空的列表，百度看了半天也没有找到合适的办法解决自己的这个代码，各位大佬救救孩子吧。QAQ呜呜呜

!...

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

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python - Tensorflow Cannot feed value Text Classifier

I try to build a tensorflow text classifier. I am new to tf. I get an error "Cannot feed value of shape (41,) for ... message about? How do I change the model to make it work?...

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

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android - How to implement a Room LiveData filter

I do not know how to implement a filter query properly inside the Repository and the ViewModel to use it to display ... the repository and the viewmodel? Thank you for your help!...

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

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[正则表达式求助]我写了一个正则表达式，想限制只能输入1-168之间的正整数，但是不知道为什么不行

我的写法，我尝试了两种方法都不行，不知道是为毛第一种：/^1-9?|1[0-5]d|16[0-8]$/ 第二种：/^1-9?|[10-15]d|16[0-8]$/ 这两种reg.test(0)和reg.test(-1)都能限制住，但是168之后的都是true，限制不住，求大神给看看，谢谢了！...

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

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reactjs - Object is not a function TypeError(...) object is not a function in react js

import {createStore, combineReducers, compose} from 'redux'; import firebase from 'firebase'; import 'firebase/firestore'; ... store; I imported this file in app js main component...

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

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一个界面多个echarts图表造成界面卡顿怎么解决

一个界面多个echarts图表造成界面卡顿怎么解决...

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

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javascript - ELIFECYCLE errorno 1 when deploying to production

I'm stucked with this problem and I need to fix it already so any tips will be truly appreciated. I've my ... . There is likely additional logging output above. Thanks in advance....

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

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为什么django服务后台启动正常，但是网页访问，后台没有请求记录？

前台只能访问一个页面，然后就报服务器错误，后台如图所示，没有任何记录...

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

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nginx零拷贝配置与实现

背景： nginx开启零拷贝之后，可以跳过（内核缓冲区->用户态->socket缓冲区）这一个过程，减少用户态到内核态的切换配置：nginx sendfile:on; 问题：在开启了nginx零拷贝后，php生成一个压缩文件 ... . $filePath); } 但是这样浏览器会报错，响应无效，官方文档也找不到X-Accel-Redirect的相关信息...

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

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reactjs - Webpack5 config error: An appropriate loader to handle this file type

I'm trying to migrate webpack4 to webpack5. My project has both react and typescript files. I'm running into below ... devServer: { historyApiFallback: true, port: 8888 } } };...

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

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java - 301 Moved Permanently

I'm trying to get HTML by URL in Java. But 301 Moved Permanently is all that I've got. Another URLs work. What's ... (inputLine).append(" "); str=sb.toString();//returns 301 }...

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

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383 views

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vb.net - Combo box functionality

I have 4 combobox in my visual basic; ComboBox1 has 3 items: Vehicle, Motorbikes, None ComboBox2 has 4 items: sportbike, ... "none" is selected the other 2,3,4 remains invincible ....

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

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444 views

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asp.net core 5.0 - Using asp-page TagHelper for form element action renders "" instead of correct URL

I have a razor page that that shows details of a search result (that is, clicking a search result link on the search ... what is going on here? Any help would be much appreciated....

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

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使用IDEA右侧的MAVEN可视化打包项目报错？？

这是一个springboot项目控制台报错 [INFO] Scanning for projects... [INFO] [INFO] ------------------ ... [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException...

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

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PHP键值排序问题求助

现在有两个数组是这样的，但是第二个数组的键不是按原来的样子排列我希望的第二个数组的键是按照307,287,288,289...这样子排列有什么办法可以解决这个问题吗？...

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

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