Recent questions in Technique[技术]

0 votes

1.4k views

1 answer

上下滑动的swiper，第二个slider高度大于屏幕，如何让它正常滑动，且禁止手势切换到下一页？

在这个问题中，@kimozhang 的答案可以完美解决，但我这里基于原题有个更复杂点的交互：第二页需要禁止手势切换到下一页（但需要支持点击按钮切换）试了父容器设置 allowSlideNext，但会把点击按钮的切换也禁用掉；如果设置在子容器，那就无法滚动我应该怎么做？...

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

0 votes

665 views

1 answer

node.js - I'm facing a heroku doployment problem, npm start not working

I need your help in some heroku stuff, I'm facing a problem, And my logs in heroku says: npm ERR! Failed at the blog@0 ... . Npm start fails, Any help please ? Thank you so much !!...

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

0 votes

1.3k views

1 answer

flutter - How to fix "NoSuchMethodError: The getter 'path' was called on null" on ImagePicker Cancel Button?

Guys I am using ImagePicker plugin to access the images in my app, but if I decide to cancel it I get this error ... editImage(file.path); }, child: Text('Camera'), ),...

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

0 votes

1.8k views

1 answer

axios 请求中文页面返回乱码的问题

let axios = require('axios') let httpurl = "https://www.dytt8.net/index.htm" axios.get(httpurl,{responseType:"gb2312"}).then(function(res){ ... log(res) }) 请问该如何设置才能让返回的中文不是乱码呢?...

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

0 votes

2.2k views

1 answer

flex动态布局

目前遇到的问题是后端返回一个list，list里面有多条数据，每条数据上都有一个属性标识位置。目前前端需要实现根据返回数据属性的不同，左右展示两列数据，属性为left的展示在左侧属性为right的展示在右侧，然后依次向下排版。这个应该怎么实现呢？请各位大神帮忙分析下。...

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

0 votes

2.4k views

1 answer

函数自调用循环return后有什么弊端？

以JS为例 function func(){ ... ... if(!...){ func(); return; } ... ... if(!...){ func(); return; } ... ... func(); } 我有个需求是不停的执 ... 立则重新执行，这样的循环有什么弊端呢~ 感觉怪怪的~~ 如果有弊端java js php 中弊端相同吗?...

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

0 votes

2.4k views

1 answer

plupload插件上传0kb的文件，没有回调，也不走error？怎么办。

如题，在用plupload上传图片时上传0kb的文件不会触发任何events，也不会报错（例如文件尺寸过大601），现在想在用户选择0kb的问件时提示用户，怎么办各位大佬？！...

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

0 votes

2.7k views

1 answer

python 3.x - Pandas groupby => AttributeError: 'function' object has no attribute 'mean'

I try to compute the average size of a population composed of men and women: >>> import pandas as pd >>> ... size.mean() AttributeError: 'function' object has no attribute 'mean'...

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

0 votes

2.6k views

1 answer

git - Creating Issues in a different branch via github's cli

Right now I have a website that monitors my discord bot's uptime and sometimes I need to take it down for maintenance. ... a way to specify which repo to create the issue in?...

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

0 votes

4.8k views

1 answer

用 js 正则匹配以xxx开头，以xxx结尾，中间可以包含任意字符、符号、换行符的字符串。

我使用这种正则，匹配不到，求改进 var res = str.match(/\open.*?\over/g)...

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

0 votes

3.6k views

1 answer

macOS Docker 25.1 构建镜像时不在输出 echo 等命令输出的调试信息？

Docker 的版本信息：?? 构建日志： Dockerfile 内容 FROM nginx ARG TSET="test0001" RUN echo "xxxx$TSET" ... dc9208a3303feef5b3839f4323d9beb36df0a9dd docker-init: Version: 0.18.0 GitCommit: fec3683...

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

0 votes

3.8k views

1 answer

ts如何声明对内置对象的扩展方法

老项目迁移.有些库对Math进行了扩展,添加了add,sub等方法. 用的地方太多,ts-ignore不够用啊进行了的尝试添加types/index.d.ts,进行如下声明 export ... number2: number): number; // ... }; export declare var Math: Math & MathExt;...

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

0 votes

3.8k views

1 answer

java - how to create a small m3u8 clip from another m3u8 clip using node

#EXTM3U #EXT-X-VERSION:3 #EXT-X-TARGETDURATION:13 #EXT-X-MEDIA-SEQUENCE:0 #EXTINF:12.960000, https://d3s84sk2607r1u. ... ./path/file.m3u8 that will generate a new m3u8 file...

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

0 votes

3.9k views

1 answer

ab initio - Iterating for each distrinct value of field in netezza

There are 2 tables a and b. A has only 1 field acc and b has acc, names, city,ban and other fields. I have to select a ... =b.acc or a.acc=b.ban. How to write for this in netezza...

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

0 votes

3.5k views

1 answer

uniapp请求接口返回非法请求，无app_key参数

在调用后端接口的时候返回的是这个信息，不知道为什么，但是后端接口测试是可以通过的，我这边就是不行。一开始调用接口是报错跨域，后来我配置manifest.json 就不会报错跨域问题，会不会是这个原因导致的，有大佬知道的吗...

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

0 votes

4.5k views

1 answer

laravel 门面str的random函数代码的疑惑

laravel的代码： use IlluminateSupportStr; /** * Generate a more truly "random" alpha-numeric string. * @param int $length * @return string */ ... 的，像参考学习下laravel的代码的写法风格应该对自己有些帮助...

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

0 votes

3.9k views

1 answer

ASP .NET Core Razor的模型验证绑定是不是有点浪费服务器？

ASP .NET Core Razor的模型验证绑定每次都需要回发给服务端进行检查？是不是有点浪费服务器我用的Demo如下： <form method="POST"> <div> <input asp-for="UserName" type="text" ... 不是设计在客户端验证成功才调用服务端？这是微软设计的问题还是我理解水平不够的问题@_@...