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php - mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get the actual mysql error and fix it?

In my local/development environment, the MySQLi query is performing OK. However, when I upload it on my web host ... the query via control panel phpMyAdmin and the result is OK....

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

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vue的适配问题，better-scroll

如图，可以左右滑动，页面布局用的rem,但是需要给出滑动的ul的宽width*length，之前width是用的px,我改成rem之后，qq浏览器没问题，uc上还会出问题，vue某个元素的宽怎么才能拿到。...

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

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egg部署到阿里云通过ip无法访问接口

egg部署到阿里云显示启动成功了服务器安全组也设置了但是就是访问不了 > [egg-scripts] egg started on http://0.0.0.0:7001 > netstat -ano | grep 7001 检测7001端口无反应不存在? > 各位大佬怎么解决啊...

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

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681 views

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moment.js diff 计算相差浮点数月份时间存在问题

moment('2020-11-01',"YYYY-MM-DD").diff(moment('2020-10-01',"YYYY-MM-DD"), 'months',true).toFixed(4); // 1 moment('2020-10-31 ... + adjust) || 0; } 请问是如何进行调整方式实现正确的计算;...

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

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r - How can I change my plot that it doesn't look that filled?

I would like to have a not that filled plot. that is my code ggplot(master, aes(x = Income, y = BMI, group ... )+labs(title = "Correaltion between Income and BMI")+ scale_y_log10()...

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

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1.2k views

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eslint constructor 外定义类成员报错如何解决？

class C { prop = 1 } // Parsing error: Unexpected token = 如题。...

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

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Exclusive Column in Promotion Table Shopware 6

does anybody knows what the exclusive column means in the promotions table in the database? It seems to be always false. When is this changed to TRUE ? What is it used for?...

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

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easyswoole有时候无法正常关闭

easyswoole有时候无法正常关闭无法重启无法reload，都会提示端口占用，只有重启服务器才可以，这个是什么原因导致的呢### 问题描述问题出现的环境背景及自己尝试过哪些方法关闭swoole，会提示pid不存在，应该是出现异常重启 ... 器才解决你期待的结果是什么？实际看到的错误信息又是什么？知道什么原因导致的这情况，以及解决方案...

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

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c# - Problem with displaying glx_context - If you create GLArea using Gtk.DrawingArea for GtkSharp 2.x?

I have problem with showing of glx_context without GLib.Idle.Add(idlehandle) Code in Gist Result: It doesn't see ... glx_context on DrawingArea ( GLWidget )? Please tell me safe!...

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

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814 views

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php - How to load scripts without the get_header() function

I'm looking for a way to scripts that a plugin need to run without the get_header(); function here's a backstory ... if I forgot something please tell me I'll appreciate that (:...

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

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请问怎样在前端页面引入地图呢？可以放大缩小的那种

网址：http://www.clevermama.com.cn/blank221.html 如图：...

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

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1.8k views

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有用过vite的吗

通过用了vite的插件让vite能跑vue2 但是发现好像当代码中有非esm规范的可能浏览器就解析不了了，查了一下，说optimization这个配置启动的话是能自动转的，将cjs转成esm规范，但是不知 ... path.replace(/^/api/, '') } }, port: 9876, } export default config 求助大佬...

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

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Android: Design Password Input with Hide/Show Password

I am trying to design Password Text Input How it should look like and How does it look like. I have ... :drawable="@drawable/ic_password_visibility_on" /> </selector> </item>...

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

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1.5k views

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java - How to bundle/integrate React app in Gradle/Jersey (without any use of spring boot)?

I have a project with a back-end built on Gradle and a front-end built with React. However, I can't find any ... for deployment. If you have some tips or advice, please help....

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

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dva打包部署后接口报错

本地开启的服务器8080端口，前端框架服务是8001端口，可以正常请求。打包部署本地服务器请求也没有问题。但是部署到云服务器时接口却报错。 express的服务 bu shu dao y...

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

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1 answer

java 爬虫 css 问题

我用css 爬这个公司名字为啥不对？ String CompanyName = document.selectFirst("span[class='field-item'] span[itemprop='name']").text(); 我这个css 写的有问题吗？ https://gongshang.mingluji.co... 这是公司信息...

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

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vue打包成功后，页面也出来了，在本地点击登录也成功了，就是不跳转页面，没有报任何错误，啥原因，我想在本地测试

...

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

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2.2k views

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我通过docker在ubuntu镜像的基础上创建了一个新的镜像，如何在每次启动该容器的时候自动启动里面的服务呢？

我在docker里在ubuntu（18.04版本）镜像的基础上安装了nginx，mysql，php，创建了一个新的镜像，请问如何在每次启动该容器的时候自动启动里面的服务呢？现在的状况是我每次以下面的命令进去： docker run -it -p ... 我想的是容器启动的时候在ubuntu系统的哪个目录里面放个脚本启动自己需要的服务，不知道行不行？...

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

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2.4k views

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mac node运行mysql语句卡住

...

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

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3.0k views

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javascript - How to automatically submit a form if all fields are filled in jQuery without using each()?

I have made a OTP form which I want to submit via AJAX if all it's input fields are filled in. Is it possible with using ... ="1"> <input type="tel" class="tp" maxlength="1">...

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

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3.4k views

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java - Wait non-modal window to close to resume code

I have a program that in somepoint needs to open a dialog "anDialog" which contains buttons that opens more dialogs "B" and ... make it don't block non-modal childs it would be ok....

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

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3.5k views

1 answer

javascript - React Line Chart or graph to show a particular angle

I have created a website using react to calculate trajectory for example : if trajectory or the angle is 30 degree then i need to ... /div> </div> </div> ); } export default Input;...

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

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3.7k views

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javascript - RxJS. Combine observables that emit less then 1 second apart

There are two observables that may be emiting together or separately: stream1 and stream2. I need my subscription to fire ... after stream1 does. Any way to achieve that with RxJS?...

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

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3.9k views

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image - Django Update Existing ImageField not working

I want to give a user the ability to update the image associated to a record. I have an edit form that allows the user to ... > View Collection</a> </form> </div> {% endblock %}...

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

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4.1k views

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el-popper 不能跟随页面滚动

一个项目中发现cascader的选择器dom el-popper 不能跟随页面滚动，其内联样式absolute定位的top不跟随页面滚动。手上另一个项目的 el-popper是跟随页面滚动的，对比了一下前端框架，也没有发现问题。请问我应该怎么着手解决这个问题？...

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

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3.5k views

1 answer

图像的多标签识别

我现在需要对大量的图片进行打标签，但是使用人工的方法太慢了，于是希望用机器完成，但是现在 tensorflow 和飞桨都没有我想要的模型我希望能够用自己的数据集训练一个模型出来（ ... 例子，但是我依然觉得太复杂了 https://www.pyimagesearch.com... https://analyticsindiamag.com......

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

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element-admin 新增编辑页面怎么在同一个页面

现在新增编辑都不是在同一个页面，怎么把他做成在同一个页面呢之前做了下尝试写在了同一个页面，但title怎么改变...

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

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3.2k views

1 answer

CSS使用animation的一个问题

我想让它从300的位置运动到0 这样写也没有问题可是页面刚刷新时可以看到它最初始是在0的位置闪了一下然后再从300运动到0 不想看到刚开始它在0的位置应该怎么办？ <view ... ani1{ from{ margin-left: 300rpx; opacity: 0;} to{ margin-left: 0; opacity: 1;} }...

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

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