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1 answer

vue router.beforeEach登录拦截怎么用window.location.href跳转

怎么用next()去跳转...

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

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297 views

1 answer

前端面试：设计一个数据结构

面试官说有一个业务场景，比如某件商品的子类型有三项，尺码颜色类型用户点击这三项没有顺序，有可能先点尺码再点别的，也有可能先点颜色但是每点击一项后，其它两项都会跟着改变比如先点了M尺码后，颜色里断货的置灰，类型里断货的也 ... 每次点击前端这边怎么处理逻辑？类似于图片上的业务场景，虽然图片上只有两项，面试官问的三项更复杂求大佬解答，谢谢...

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

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304 views

1 answer

Angular : Select Drop-Down (Mat-Select) with search-in and fill with DB. Problem with initial value

I'm currently create a request form in angular to search in a database SQL. I fill a Mat-Select with values in DB, and set the ... ) > -1) ); } } Where is my mistake ? Thanks x...

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

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301 views

1 answer

C#: Error calling the camera on the tablet of Microsoft Surface-win10

[DllImport("avicap32.dll")] public static extern bool capGetDriverDescriptionA(short wDriver, byte[] lpszName, int cbName, ... ); SendMessage(lwndC, WM_CAP_SET_PREVIEW, true, 0); }...

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

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278 views

1 answer

vue 使用Elementui的message，怎么设置出现的坐标呀？

...

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

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252 views

1 answer

FFMPEG - how to fill-in an image when input stream or device are down?

I want to output a stream from FFPEG so that if the feed is down, the stream is populated with a "we are experiencing difficulties" image. Can I do that using only FFMPEG?...

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

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684 views

1 answer

php - "Possible Unhandled Promise Rejection (id: 0): SyntaxError: JSON Parse error: Unrecognized token '<'" Trying to fetch from API

So i am trying to make a simple get Request and display the contents from mysql Database unto a React native form ... , "balance"=>$balance); echo json_encode($response); ?>...

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

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335 views

1 answer

请问有没有vue-cli-service 与 webpack的相关资料

vue-cli-service 与 webpack 有什么关联，现有的vue项目，如何用webpack替换vue-cli-service，有没有两者同时使用的demo学习一下...

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

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748 views

1 answer

actionscript 3 - Not all text is being displayed when using on-screen keypad

Created a keypad in Flash cs6 following a tutorial. Once done the "1" key and the "4" key work--those numbers ... (displayNum.text); } Thanks, appreciate any help you can give....

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

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233 views

1 answer

Java 8, function call: count the catched exceptions and the errors threw

In java8 I have to call an function and I ignore it's code. I have to count how many times it catched exceptions and how many times it threw errors....

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

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464 views

1 answer

接口地址命名如何规范

接口地址的命名规范如何比较好呢？ {{host}}/admin_user/user_lst {{host}}/adminUser/userLst 哪种比较好呢？还有传参和返回参数是用驼峰好还是下划线好呢根据psr规范变 ... = '', ]; 这种是下划线 return [ admin_user=>'xxx', admin_lst = '', ];...

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

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703 views

1 answer

jenkins 换取清华的镜像源好像一直失败

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

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301 views

1 answer

关于SpringCloudSecurity和SpringSecurity的选择

使用 Spring 初始化器新建项目的时候在 Security 栏目中包含： SpringSecurity OAuth2 Client OAuth2 Resource Server；在 SpringCloudSecurity 中包括： ... 个 OAuth2 相关的单体应用，使用 SpringCloudSecurity 会更加方便么？...

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

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597 views

1 answer

egg接收微信小程序uploadFile的时候报错说文件名无效怎么办？

在小程序端使用uploadFile这个api进行文件上传，但是在egg后端解析的时候报错Invalid filename: wx9220f63e27618216.o6zAJszr9FwetNkhGOInHMQlYm3U.GxG5xEWMgAtD30301a71288dc6933c315b1ab7a4b102.docx 怎么办?...

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

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333 views

1 answer

sql - How can we display first row and last row of given table using rownum without using union clause

Sample Input Name | Value | Timestamp -----|-------|----------------- One | 1 | 2016-01-01 02:00 Two | 3 | 2016- ... 02:00 2016-01-02 02:00 Two 4 2016-01-01 03:00 2016-01-03 04:00...

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

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118 views

1 answer

Pine Script - Custom Week

I am trying to create a pine script to select custom week for drawing pivot points. In India, NSE expiry starts ... ) line.set_x2(l4Line, bar_index) line.set_x2(l5Line, bar_index)...

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

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322 views

1 answer

Electron 中 devtool 不能禁用与添加临时样式问题

在使用 9.1.0 的 electron 时发现 chrome-devtool 的样式调整，不能像原本的可通过点击来禁用样式，与添加临时样式如：旧版本现：新版本只能在 element style 中添加临时样式我觉得可能也是项目中其他的问题所以，把 package.json 也给出来...

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

0 votes

397 views

1 answer

optimization - optimize an mysql request : inner join very long

I have a trouble with an sql request, which is short (0,07 sec) with a left join but very long when I need an inner join ... "/> </plan> </plan> </plan> </plan> </explain>...

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

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147 views

1 answer

javascript - Remove <script> with JS

I would like to remove everything inside of an HTML-section, using JS, but there are <script>-tags inside of the section and ... not remove the alert, why?"); </script> </section>...

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

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242 views

1 answer

Tcpreplay

1.Tcpreplay做不到服务端能实时响应的回放回答 :使用Tcpreplay回放Pcap流量，Tcpreplay只能保证发出去，如果想要服务端响应的话，需要使用tcpliveplay(使用tcpreplay回放tcp的时候，不能同步TCP里面Syn/Ack的编号) ... 此时目标为客户端，所以这个方向的流量，不会发往服务端，而是在客户端 3.待更新...

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

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434 views

1 answer

c++ - Virtual key to character conversion depending on the locale

I can't translate a character according to the set keyboard layout.Tried several variants, but it doesn't work. I enter ... < 16; GetKeyNameTextW(code, name, 32); return name; }...

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

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342 views

1 answer

为什么IntelliJ IDEA ctrl+F9直接把服务重启了?

spring boot 项目 ,修改前端模板代码..每次ctrl+f9 或者 ctrl+s 都是自动直接把服务重启了. 每次修改一点点东西刷新页面都要重新输入账号密码登录...好繁琐怎么设置热更新啊 .不要服务重启......

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

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505 views

1 answer

nexus3 通过 INSTALL4J_JAVA_HOME_OVERRIDE设置JDK路径不起作用

nexus3在linux起动时，通过 INSTALL4J_JAVA_HOME_OVERRIDE 设置JDK路径不起作用，貌似还是用的环境变量中指定的JDK,由于机器上环境变量设置的JDK版本是1.7， nexus3需要JDK 1.8才能启动，现在nexus3就是不能起来？是什么原因引起配置不起作用呀...

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

0 votes

376 views

1 answer

matlab - Why when calculating impulse response of a filter (system) I get a "tail" at the end

I have measured time signals of input (pink noise) and output of a system. I need to calculate TF of a system and it's impulse ... ; tf_sym = conj(tf(end-1:-1:2));end Thank you!...

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

0 votes

352 views

1 answer

NEST如何根据匹配模式（索引别名）获取所有匹配的索引

背景：构造一个ESClient，通过一个通配符表达式去获取所有匹配的索引名称 IndexMatchMode是一个简单的enum，用来判断当前的匹配模式是通配符的还是读索引 ... result = await client.GetAsync(indexMatchMode); return indexNamesList; } 效果相当于Kibana结果截图...

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

0 votes

314 views

1 answer

angular 模拟[(ngModel)]的双向绑定报错

代码如下 app  <app-horizontal-grid [(username)]="username" ></app-horizontal-grid> [( ... ) { this._username = value; this.usernameChange.emit(value); } }...

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

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489 views

1 answer

c语言写的俄罗斯方块，运行游戏时方块未能正常落地，哪位能给点指导意见

#include<stdio.h> #include<stdlib.h> #include<time.h> #include<windows.h> #include<conio.h> #define SPACE 32 // #define LEFT 75 // #define ... n=='Y') main(); } } return 0; } ///...

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

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150 views

1 answer

How to add variables with command line in ansible?

i have to playbook for tower-cli command, which will create credentials with custom credentials type. - name: Create a valid ... used the sed command. What I am doing wrong here?...

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

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