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python - Selenium Object of Type WebElement has no len()

I'm trying to log into Facebook Marketplace from Selenium. The email address is populating as expected. The password field ... the plural of both) in addition to the xpath above....

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

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nuxt 怎么使用mixins方法的混入

在网上没有看到引入的方法，就本地大概配置了一下在plugins中新创建了一个js文件【如图】，然后在nuxt.config引入但是页面会执行多次？请问有正确的引入方式吗？...

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

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419 views

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PHP接口高并发有什么简单的解决思路？

问题描述目前我们有一个虚拟卡密提取接口，时常会有高并发请求的情况，每个请求进来后，必须马上返回分配的卡密数据，并标记为已提取当遇到高并发时候，就会出现同一卡密发给多人的情况问题出现的平台版本及自己尝试过哪些方法查阅资料后， ... 误信息又是什么？有没有什么办法，能让每次请求都能得到结果，并且避免重复领取（偶尔出现个别重复是可接受的）简单办法？...

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

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380 views

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excel - How to fix runtime error related to copying vba array into word doc table

I am currently trying to copy an array into a table in a word doc, but I keep getting runtime error 5948 ("The ... '---MsgBox ("Report saved and objects zeroed out") End Sub...

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

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Yii 框架中如何通过模型完成字段写入和读取处理？

比如用户信息表，需要将昵称字段，base64 加密后保存，读取的时候再解密输出如何在模型中控制 ? 假如字段名为 nickname 在 thinkphp5 中，模型 setFieldAttr 和 getFieldAttr 两个方法 Yii 中怎么做？...

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

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sftp - lftp error: port 22: no matching host key type found. Their offer: ssh-dss

How do I fix this error, no matching host key type found. Their offer: ssh-dss when doing lftp on a vm with Ubuntu 18. ... Is there an option I can pass in with lftp at run time?...

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

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android OTA 和factory image 啥区别

打开链接有2个一个OTA 一个factory images 这两个目录分别是干啥的？ https://developers.google.cn/......

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

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oauth 2.0 - Encountered a 200 OK response in BurpSuite however I don't know what to do with it, please guide

I recently started bug bounty and I came up with an obstacle. Long story short I manipulated the redirect uri in the ... ): /o/oauth2/auth?redirect_uri=(some long uri)&facebook.com...

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

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我现在有一堆GPS 数据，怎么用PostGIS判断这个坐标是不是在某个地图范围内！刚刚接触GIS不太懂，求救

我现在有一堆GPS 数据，怎么用PostGIS判断这个坐标是不是在某个地图范围内！刚刚接触GIS不太懂，大神求救...

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

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网站如何保持登录状态？

情况是这样的：我在一个地方用笔记本登录了多个不同网站，账号都是已登录状态。在我坐车到另一个地方之后，发现使用同一台笔记本，同一个浏览器，登录状态没有保持，不同网站的登录状态均失效了问题：这种登录状态的保持方法是怎样实现的？我只知道通过cookies＋session的方式，不知道这种地理位置变化导致登录状态失效是如何实现的，希望有人能解答一下。...

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

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How do I find the average of a count in MySQL?

I need to find the average of a count as described below, but when the code is executed, error 1111 is ... > AVG(COUNT(CUSTOMER.CITY_ID)) ORDER BY COUNTRY.COUNTRY_NAME ASC;...

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

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element表格多选分页冲突

这是我的表格组件，，data是直接根据分页计算的，但是当选择了表格的任意一行，就会出现选中之后又取消选中的现象，，这是在控制台打印的结果，如果我把表格：data中slice的计算部分去掉，则不会有这个问题，请问这是为什么呢...

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

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582 views

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Angular项目使用哈希保存版本号，解决静态页面缓存问题

Angular 项目编译后放到服务器上（nginx），前端页面一直使用缓存没有显示最新的页面，听过可以通过在 Angular 项目中使用哈希记录版本号解决这个缓存问题 - 想要控制前端刷新页面就使用新的哈希值，不需要更新的话就保持哈希值不变，要如何实现？...

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

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string - How to get the precise bounding box of a character in Java

I am trying to get the precise bounding box of a character in Java. Is it normal that if I perform (for ... the fact that the method using the FontMetrics includes the advance?...

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

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vue-cli 提示 'get' and 'set' accessor must have the same type.

vue-cli 3 项目，使用了 class 风格的组件（vue-property-decorator）有个 getter 和 setter，是 vue 实例的计算属性，因为用了 class 风格所以是用 get 和 set 写的编辑器提示 get 和 set ... 同的类型不懂什么意思不过运行时没有提示这个错误，可以正常使用请大佬解惑~...

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

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请问这种Mybatis下mapper.xml的对齐方式有插件么？

就这种column property jdbcType的对齐方式，只针对xml就好...

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

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ecmascript 6 - JavaScript weak maps - shouldn't it be showing empty?

As I understand it, with JavaScript weak maps, when an object used as a key has no remaining references to it, it is ... the map if the console's still showing it's in there?...

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

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683 views

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使用VSCode开发Springboot项目时,依赖的下载位置不按maven的配置来?

问题描述机器本身配置了Maven，本地仓库地址配置成了D盘的一个文件夹，VSCode的设置中也配置了使用自己的maven配置文件，为什么使用VSCode生成的Springboot项目还是默认将依赖下载到C盘...

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

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spring initializr生成的war包能部署吗

如图，通过spring initializr生成springboot项目时可以选择jar包和war包，jar包可以直接导入ide进行开发，war包是可以直接部署吗？求大神指教...

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

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365 views

1 answer

Unable to resolve "RCTDeviceEventEmitter" from

import RCTDeviceEventEmitter from "RCTDeviceEventEmitter" "react": "^16.13.1", "expo": "^37.0.12", "react-native": ... ", Expo运行了起来报： Unable to resolve "RCTDeviceEventEmitter" from...

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

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471 views

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开发vscode插件，怎么实现选中编辑中某个变量呢？

比例想编辑中let name = 'Tom'中的name选中飘红，应该咋做呢？网上只查到这个代码~~ let decorationType = vscode.window. ... setDecorations(decorationType, [new vscode.Range(5, 1, 1, 4)]);...

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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webpack打包时如何切换打包目录？

项目结构大概像这样：，我想给src 和pulish两个目录分别打包，webpack打包时，如何切换打包目录呢？...

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

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我竟然连题目都看不懂，这算法难吗？

给你一个方程，左边用?words?表示，右边用?result 表示你需要根据以下规则检查方程是否可解：每个字符都会被解码成一位数字（0 - 9）每对不同的字符必须映射到不同的数字每个 words[i] ... ,?results.length?<= 7 words[i], result?只含有大写英文字母表达式中使用的不同字符数最大为?10...

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

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php - how to import .txt database to mysql?

how to import .txt to mysql file? I have a .txt file with hundreds of records and I want to import it into the ... i can implement a formula to implement this txt file to mysql....

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

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android - Fab not being pushed up by snackbar above bottom Navigation

(this error is occuring in a big project, so i made a small one for easier demonstration) I have been stuggling with this problem ... .id.bar)) .show() } } } thanks in advance :)...

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

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181 views

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python - Improving image pre-processing for tesseract (video game screenshot)

I am trying to read text for prices in a video game and am experiencing difficulty in pre-processing the image. The rest of ... ) Any help is appreciated as I am very new to this!...

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

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216 views

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使用D3投射地图时出现偏移的问题。

在使用D3.js+ThreeJs开发一个3D地图应用，中心点从高德地图上POI查询获取的，实际上绘制出来的效果并不在设置的中心点上如图所示：不太理解是哪一步出现了问题？代码如下： ... this.projection([lnglat[0], lnglat[1]]); const z = 0; return [y, x, z] }...

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

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