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1.2k views

1 answer

Join fetch property of embeddable in hibernate

These are my mapped classes: @Entity public class Item { ... @ElementCollection @CollectionTable(name = "BID") private Set<Bid ... is there any way how to do this with this mapping...

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

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1.4k views

1 answer

Scrolling down in a discord.py embed

This is my embed rn It uses the google API to get upcoming events on a calendar but I have to limit the number ... to scroll down in the description so all events can be displayed?...

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

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1.3k views

1 answer

android - AAudioStream_getChannelCount returns 0

I'm trying to record audio using the native audio library of the NDK. According to the AAudioStreamBuilder_setChannelCount ... on an API 26 Emulator Device if it matters....

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

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1.3k views

1 answer

How to open a file from a list in PowerBi when click on a row/column

I have search for a while and can't find a solution to this problem. If i press the 00002 here i want it to open the invoice file from a folder. Is this possible in PowerBI....

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

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1.4k views

1 answer

关于在x轴在0-100，y轴在0-100这个区域内，随机个数点，随机分布的问题？

后端返回给前端不定个数个点，并且包括点与点之间如何连线，如何在x(0,100),y(0,100)这个区域内分布得均匀一点，不要那么凌乱 function random(min, max) { return Math.floor(Math.random() * ... 这些点的坐标是随机产生的，一旦连线就很凌乱哪位大佬提供个思路如何才能分布得不那么凌乱？...

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

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1.5k views

1 answer

List_editable in django-django admin when check a boolean field modify other tables in database

I want to ask a question about the list_editable column in django-admin. If I have something like this: class fooAdmin( ... or delete a row in another table? Thanks in advance....

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

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1.7k views

1 answer

browser - MYSQL database is showing blank entries when submitting the data from a PHP form?

I having a serious problem in my project but that problem is really new to me. Let me explain you, when I'm submitting the ... think that's a browser problem.? If I'm not wrong..)...

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

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2.4k views

1 answer

判断文件是文本文件还是二进制文件

java如何准确的判断文件是文本文件还是二进制文件？...

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

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3.3k views

1 answer

typeerror - how can i prevent this error in my code" int() can't convert non-string with explicit base in python."?

there is two things i can't understand: 1-What does "nonstring - with excplicit base" means? 2 How to solve it? you can ... a python guy but im trying to do smth from time to time....

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

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2.2k views

1 answer

怎么获取随机Token值

在爬虫：http://v.mp.uc.cn/video.html?uc_param_str=frdnsnpfvecpntnwprdssskt&from=media#!wm_cid=386439659430872064!!wm_aid=ee1fc01faa1e46758373d1b0186bd03a ... /v.mp.uc.cn/api/vps?tok......

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

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2.7k views

1 answer

vue-cli3如何使用postcss-loader配置css使用BEM写法？

如果使得下面写法生效 bem写法 <template> <div class="ga-home__container"> ... </div> </template> <style> @component ... -loader/index.js): TypeError: Cannot read property 'postcss' of undefined...

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

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2.8k views

1 answer

swoole channel pop阻塞问题

PHP Version 7.2.22 (cli) (built: Sep 11 2019 18:11:52) ( NTS ) swoole Version => 4.4.12 go(function(){ $chan = new SwooleCoroutineChannel(1000 ... 是值是-1 永远不超时，这个是如何理解呢，是代表永远都不会阻塞了么...

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

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2.7k views

1 answer

javascript - React JS -> Why does my div ignore the elements I'm mapping over?

So I've created a div and inside of that div I am mapping over some lements that are contained within my wishlist. I want that ... >{product.price}</strong> </p> </div>)} </div>...

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

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3.3k views

1 answer

scrolltop - Angular Scroll top not working in firefox

ngOnInit(): void { this.router.events.subscribe((evt) => { if (!(evt instanceof NavigationEnd)) { return; } document. ... load, it's not working on firefox. Please help. Thanks....

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

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3.8k views

1 answer

visual studio code - Can't compile Sass file into CSS with Live Sass Compiler

I can't compile Sass file into CSS using Live Sass Compiler. I have the following prompt in my main css file: /* No ... The No CSS might hint something, but I have no idea what....

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

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3.2k views

1 answer

Show a floating layout on top of a fragment in android

I have screen with Bottom Navigation View. Now the middle button of the Bottom Navigation view should display a ... "0dp" android:layout_weight="7" android:gravity="center">...

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

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3.7k views

1 answer

Can I mix MySQL APIs in PHP?

I have searched the net and so far what I have seen is that you can use mysql_ and mysqli_ together meaning: <?php $con= ... if the connections are valid at all? (the if(mysq...))...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.9k views

1 answer

reactnative 使用react-native-image-marker库完成图片加水印的功能，如何设置水印宽高？

我使用了react-native-image-marker库完成图片加水印的功能，现在根据文档仅仅是通过设置markerScale去控制水印大小，但我上传的图片宽高大小都不一，现在会出现水印偏移或者水印未能完全覆盖图片的情况 react-native- ... 请问有使用过这个库的小伙伴吗？我想知道你们有没有好的解决方案，好让我能控制水印的展示情况 ...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.2k views

1 answer

qt5 - Qt WebEngine Video Acceleration Supports Smaller Resolution than Chromium

For a Qt application running on Windows with ANGLE support with Qt WebEngine, when you open the debug page chrome://gpu ... . Is there a build config or parameter I am missing?...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.1k views

1 answer

docker build node老是报错

之前好好的，现在每次构建都报错，使过用cnpm，不过也一样 ERROR: Service 'web' failed to build : The command '/bin/sh -c npm install' returned a non-zero code: 1...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.9k views

1 answer

spring boot的状态机StateMachine有啥用？

用于什么场景下啊...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.2k views

1 answer

Angular JiT 和 AoT 编译问题

在开发阶段，一般都用 JiT 模式，创建项目默认生成的也是此种模式。问题1：在打包部署时，只能用 AoT 模式吗？问题2：Angular 项目只能部署在 Java 项目里 webapp 文件夹下吗？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.2k views

1 answer

git the meaning of term "remote branch"

I type git checkout staging and a local branch staging is created, and in command prompt, it said Branch 'staging' ... ) the branch really in remote (another location) git server?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.6k views

1 answer

React中import引入 react-markdown 这个插件为什么在本地开发正常使用，但是一打包就会失败

使用 react-markdown 这个插件在本地是完全正常运行的，解析 markdown 数据并渲染但是只要我当前页面的代码有这行引入，打包就会失败，这一点我测了好多次了，我把引入注释掉打包就会成功 ? 下面是jenkins报错 ?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.0k views

1 answer

mobx - RootNavigator rendering twice in react native 0.63.3

This is the RootNavigator for our react native app. For some reason it renders twice, can anyone explain why. It sits ... is wrapped in enough detail i hope. Thanks for your help!...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

4.7k views

1 answer

sql - How to connect to the Azure DB if your connection string is not supporting the authentication keyword

My connection string contains an authentication keyword whose value is Active Directory Password but when I am using it ... Is there any other way to establish the connection?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

3.7k views

1 answer

vue3如何use啊，求这个库的导入步骤vue-core-video-player

"vue-core-video-player": "^0.2.0",...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

3.0k views

1 answer

python - maximum recursion depth exceeded when using Django redirects

I'm experiencing this error where when I try to redirect a user to a webpage using Django, it showed me this error maximum ... I not add something in settings.py? I'm new to Django...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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