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uni-app 使用 web-view加载网页，播放视频无法横屏！

使用uni-app 框架的 web-view 组件加载网页，在播放网页视频的时候，点击全屏不能自动切换横屏，据说可以使用 html5 的api 进行控制窗口状态，但是不知道怎么实现 https://uniapp.dcloud.io/comp... uni ... ，都是当做看不见，按理应该能在社区能找到答案，单只关于这个问题的帖子从来否没有人回复 ...

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

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521 views

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用C++API订阅流数据时出现异常

我用DolphinDB Database的C++ api订阅流数据，代码如下： #include <iostream> #include <string> #include <ctime> #include <fstream> #include <sstream> #include " ... 时发生访问冲突如下面2图所示：请问可能是什么原因？...

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

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为何说内核监控反馈消息不会出现阻塞等待的情况？

对于信号（Signal），在应用层可以将消息传递给内核监控，当消息处理完毕后，内核将消息反馈给应用层，这样操作不会出现阻塞等待，保持信号处理的持续性。 1.为什么这样不会出现阻塞等待，保持信号处理的持续性？ 2.这里的消息是什么？ 3.消息的处理是操作系统处理还是指的应用在处理？...

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

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282 views

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c++ - Choose derived class at runtime and run unique class method

Is it possible to choose a derived class at runtime and then execute a method which has different argument number/types? Example, ... ) // create either apple or orange // eat it }...

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

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cmd中，为什么已经根据pid杀死了进程，再查询该pid，进程还是存在呀？

...

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

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298 views

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.htaccess parent folder is not completely overwritten

I have adapted the .htaccess on my WordPress site and made additions such as the activation of GZIP. <IfModule mod_deflate. ... -folders) or was the text on the website just wrong?...

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

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前端如何使用手动存储到cache中的资源

我直接手动使用cache.addAll([]),向cache中添加一些本地资源，比如图片之类的文件，如何才能转换成可以直接用的对象？...

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

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323 views

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python - Dask dataframe crashes

I'm loading a large parquet dataframe using Dask but can't seem to be able to do anything with it without the system ... .shape) (89429613, 17) the object product_type is a string....

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

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676 views

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【taro】找不到项目配置文件config/index，请确定当前目录是 Taro 项目根目录!

今天下午开始所有taro的项目都报这个错误，重新卸载安装脚手架版本和Node_modules都是报这个错误？就连新创建的项目也是如此（不至于新项目依赖不一致吧）使用window开发的，不知道和window路径解析有没有关系。。。今天之前开发taro都没有任何问题。。。不明？？？实在没有办法了，问问大家有没有遇到过...

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

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504 views

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vue.js怎么写@@的路径绑定拼接方式？

在vue中使用绑定字符拼接的方式： <source :src="'@@/assets/imgs/' + mp4" type="video/mp4"> 报错： GET http://localhost:3000/@@/assets/imgs/trocal.mp4 net::ERR_ABORTED 404 (Not Found) 请问下，这里应该怎么写呢？...

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

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492 views

1 answer

pip - Python Virtual Env Uses Different Module Than Installed

I have a project where a specific version of a module has to be used, xlrd 1.2.0. With this, I'm trying to create a ... ? I'm semi-new to venv's so any help would be appreciated....

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

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next+ts引入sass模块化报错

文件配置 // next.config.js const withSass = require('@zeit/next-sass') module.exports = withSass({ cssModules: true }) // .babelrc { "presets": [ " ... 题这样写运行代码没有任何问题，但是在编辑器内会有下划线提示错误...

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

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485 views

1 answer

vue 的事件修饰符 capture 到底怎么回事？

<div id="app"> <div @click="btn0" style=" width:300px;height:300px; border:1px solid red;background:#606060">0 <div @click.capture="btn1" style=" ... )，在冒泡阶段会忽略不再触发这个结论对不对，为什么会这样？...

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

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580 views

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visual studio code - What is the name of configuration to change the background of line number VScode?

How to change color of that background? https://code.visualstudio.com/api/references/theme-color - there is a website ... help me to change a background of that part of editor?...

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

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574 views

1 answer

百度文库的页面的地址栏里没显示“收藏”的按钮，请问是怎么做到的？

如题，请问百度文库的页面的地址栏里没显示“收藏”的按钮，请问是怎么做到的？...

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

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580 views

1 answer

打造个人支付接口，js 如何做到监听手机app的支付信息？

原理如下： js实现，用什么工具的技术，请朋友们帮忙分析下。...

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

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341 views

1 answer

Error in XGBoost training on a large dataset in python jupyter

I have a pickle file with all the extracted features from raw dataset and now I am trying to train a XGBoost model on ... How should I train this data? using xgboost version - 0.90...

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

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195 views

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Why Google spreadsheets API stops applying formatting after entering certain amount of data?

I have an app, which manages Google drive structure and updates existing Google sheets. On all of those Sheets documents ... bordered" and background color is set for the columns):...

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

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659 views

1 answer

.net core Swagger 如何设置Post body字段是否必填

怎么做才能显示是否必填？？？...

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

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1.4k views

1 answer

pm2 崩溃后怎么重启启动之前的node进程

pm2 崩溃后怎么重启启动之前的node进程查看pm2日志发现 Committing semi space failed. Allocation failed - process out of memory 有什么办法解决吗...

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

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489 views

1 answer

【求教】python批量提取软件内数据 ,应该用哪些方法？

请教下大家python如何抓取软件内的数据？需要在软件内操作点击，或者翻页，并且保存软件内不同页内的数字或者文字，比如识别图像保存数字是否可能？请大神分享一下总体思路，以及要用到哪些库，谢谢啦！...

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

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209 views

1 answer

How to format cell in Excel for displaying of PHP version?

I'm failing on saving of PHP versions in Excel. PHP versions are numbers like 7.0.2 - all of my tries to format ... into 43.896. How can i display properly PHP version in Excel?...

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

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189 views

1 answer

python - How may I define more option in my question?

a1=str(input("4.Name one neighbouring country of India.")) if a1.lower()== ("pakistan"): print("correct +20 Score") ... "incorrect +0 Score". I want to fix it Please help me....

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

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391 views

1 answer

hashmap中的hash是什么意思，为什么叫哈希？

哈希起到一个什么作用？...

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

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338 views

1 answer

javascript - Firebase for web-distinguish between visitors of different documents of a website

I have already used Firebase for my android apps in order to get some statistics and track events. Now for the ... together? I couldn't find the answer in their documentation....

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

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448 views

1 answer

package.json dependencies 中 file:.. 是什么意思？

出自这里： https://github.com/davidjbrad... 好奇设置为file:..时，查找的规则是怎么样的？...

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

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148 views

1 answer

Webstrom不能识别${}

【已设置 -> Language & Frameworks -> JavaScript -> 选择EcmaScript 6】 function checkRequired(inputArr){ inputArr.forEach(function(input) ... .slice(3); } 这里识别不了${getKeyword(input)}...

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

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131 views

1 answer

php里面的缩写EOF，PHP_EOL

EOF，PHP_EOL（里面的EOL）是哪些单词的缩写？...

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

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