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在ios下微信打开iframe链接的页面时在微信里长按无法识别二维码

如题最近在开发中发现在苹果手机中打开 iframe链接的网页时长按二维码不能调出扫一扫的按钮有没有谁遇到这个问题安卓中可以正常调用！...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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h5页面加载自动弹起手机软键盘如何实现呢？

页面加载后，自动吊起手机的软键盘，怎么实现呢？js获取焦点不行。...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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swift - How Apple Photos collectionview pinch zoom works?

If you go to Apple Photos and do pinch zoom you can zoom in/out to change the number of columns in the grid ... programmatically, I don't quite get the animation. Any ideas?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android layout - Wearable Recycler View is not working in my wearable app

Basically it's al grey when I add the Wearable RecyclerView, I tried adding buttons or anything but nothing ... simply call the onLayoutInflated() method into the onCreate method...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - React, cart with context and localstorage

I have a demo here It's a cart with products that can be added to a cart and show a total. I'm using ... localstorage to load the cart and total data when the page is refreshed....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Using softassert in Junit in place of TestNG…?

I use soft assert in TestNG here is my code if(!user.getUserreqmsg().isEmpty() ) { softAssert.assertEquals(createUser. ... want to change it to Junit or some spring test tool...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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multithreading - Discord bot python - RuntimeError can't start new thread

I'm developing a Discord bot in Python 3 and can't get it running properly. I'm hosting the bot on a ... id and delete everyone after 60 sec await deleteSched(sentMessage) `...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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触摸屏中在windows10 环境下谷歌浏览器无法触发虚拟键盘

除了谷歌浏览器系统的输入框 ie edge 和其他浏览器都能触发虚拟键盘，为什么谷歌浏览器却无法触发呢？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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webstorm 进行sftp代理链接时报错：too many authentication failures

webstorm 进行sftp代理链接时报错：too many authentication failures 这个怎么会出现，怎么解决呢？是mac系统...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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使用 redis 处理高并发原理？？

假设一个抢购系统，每天 16:16:00 到 16:17:00 的 1分钟内每10s 放出一个产品进行抢购，中奖用户的计算是单次每轮（每 10 s内），第一个点击我要抢购按钮的人为中奖用户情况是：在短暂的 10s 内假设 ... 入操作，即使承受住了，程序也照样会出错！我听说 redis 是解决并发的良药，不知道他解决这种问题的原理是什么？？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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pip install python_packages fail

项目是一个使用vagrant+virtualbox虚拟机，虚拟机中只安装mysql作为数据库使用使用ansible自动化安装时报错，如图自动化安装python2.7；pip9.0.1；在执行 ... ) No matching distribution found for python_packages "} 其中packages.yml的配置如下图：...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - importlib does not show neither error nor does call the script

It was just three weeks, I started learning python and speeding up so fast to pick many things. Honestly I jumped into ... issue while there is no error. Please help and advice....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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nodejs express 中，throw 一个异常，如何指定响应号？

throw new Error('asdasdad') 这样会返回 { error: asdasdad, error_code: 500, } 如何指定error_code呢？例如 throw new Error('asdasdad', 400)...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to use packagesbuild with GitHub Actions

One of my Open Source projects uses Packages to build the macOS installer. After GUI-based setup of the ... overlooking beneath rebuilding my installer and switching to pkgbuild?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vue filter支持局部注册吗

vue filter支持局部注册吗...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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480 views

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Couldn't understand the Code while Plotting data with MatPlotlib in Python

I was trying to implement Logistic Regression from scratch and I wanted to plot the data. I came across this piece of ... would be very helpful if you could tell what's happening....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Laravel: How can I use Group By in laravel blade?

I am trying to get all slots, then group them by room. Within my view, I want to have a row of the room: <tr> ... ) <td>{{ $routine->slot_id }}</td> @endforeach </tr>@endforeach...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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CSS3能写出这种环状吗，不是环形进度条？

抛开颜色不看，只是这种排版做得到吗？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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283 views

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如何实现这种效果

这种效果怎么写，有谁写过吗？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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251 views

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php如何安装mqseries 扩展

如题。尝试下载了扩展源码，编辑的时候一直出问题。 ERROR: `/tmp/pear/temp/mqseries/configure --with-php-config=/usr/local/php/bin/php-config' failed...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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283 views

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链家地图搜房效果怎么实现

链家这个在网页上搜房的效果有没有哪位大神做过，求解...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python asyncio - How to stream json-data to a django-channel group?

Summary of the problem:- ? I want to send pseudo-random data to a django-channel-group which has been subscribed by ... the server. The github repo link of the project Thank you....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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grunt server启动报错

我用yo创建angular,完成后 grunt server失败，找不到gruntfile,项目里是有这个文件的然后我执行npm install grunt --save-dev npm install 还是不行？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php 如何網址中出現該頁標題？

以往撈數據都是根據該筆數據的id下去抓例如 id=123 網址就會變這樣 xxx.com/view?id=123 那請問是否可以讓標題也進入網址裡面呢？例如這一頁叫做「如何網址中出現該頁標題？」網址會是「https://segmentfault.com/如何網址中出現該頁標題？」...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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222 views

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Uploading projection string coordinates to ArcGIS

I am new to ArcGIS and trying to upload data from another program into ArcGIS (pro or online). So ... "Latitude_Of_Origin",27.83333333333333],UNIT["Foot_US",0.3048006096012192]]|...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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var $t 是怎么样的一种命名方式?

在网上找了一段代码是在光标出插入的 $.fn.extend({ insertContent : function(myValue, t) { var $t = $(this)[0]; if (document.selection) { this.focus(); ... $t直接消失了，我是嵌套在php里面的，按理说php并没有解析，但是他就是消失了...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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456 views

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gulp文件合并后页面链接替换问题

var gulp = require('gulp'), concat = require("gulp-concat"); gulp.task('concat', function () { gulp.src('js/*.js') //要合并的文件 . ... 上的链接呢，如果合并的js运用到多个HTML页面的话，用gulp-processhtml还是不够快捷...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer

rect-form如何获取form的值呢

我使用的是react-redux。react-form自带的onSubmit方法可以通过参数直接获取到表单数据，可以再别的方法里我该如何获取呢？？？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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