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Recent questions
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js 音频编码
js如何对获取到的音频进行opus编码...
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175
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Problems when testing function call with react native and testing library
I have a login form, which once submited calls a function returned from a hook. To make my testing easier, I receive ... ) Expected: "
[email protected]
", "134343" Number of calls: 0...
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python - Find relevant rows falling under a date range in Pandas Dataframe and do some aggregations for these rows
I have 2 Pandas dataframe as below: A = pd.DataFrame({'UserId':['U1','U1','U1','U2','U2','U3'],'Start_Week':[' ... has large number of rows. Is there a quick way to get this done ?...
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对分布式表去重报错
我在DolphinDB database中有一张分布式表tb_kline,其字段和数据如下图所示: 现在我要把tb_kline中DT,Code重复的过滤掉,代码如下: select * from tb_kline where ... use any aggregate or sequential function. 我上面那个语法,是哪里写错了吗?...
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midway.js 可以同时启动 http与https 服务吗?
需求:实现项目启动的时候,暴露两个端口【80,443】可以通过http://xxx 与 https://xxx 访问,如何实现吗?...
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Django Gunicorn Failed About SQLite Version
I deployed django app to CentOS 7 Server. I want to use Nginx and Gunicorn. By the way i tried to make steps, gunicorn ... i change this) Any suggestion to solve it? Thx to all....
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Django
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关于这道面试题,我的理解是否正确
function func() { let i = 0 return () => { i++ return i } } const func1 = func() const func2 = func() func1() func2() func1() func2() ... ,所以结果为 1 1 2 2 请问这样理解是够正确,不正确还望纠正下,谢谢...
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javascript - How after begin Text Node in DOM
According to the documentation https://developer.mozilla.org/ru/docs/Web/API/Element/insertAdjacentHTML the insertAdjacentElement function ... as you need to add the Text object!...
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Jan 27, 2021
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html - Animate SVG line between custom input price range
I'm building a price range slider with 2 inputs from min price to max price and a SVG line that would animate left/right inside the ... `}</span> </div> </div> ); } Effect desired:...
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Jan 27, 2021
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html
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751
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关于axios中返回值不封装,post请求数据的问题
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0" ... 中,会导致数据无法传输,而将$.param(customer)拼接到url后面就可以?...
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Jan 27, 2021
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382
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vue为什么不可以直接用webp格式的图片呢?
请问VUE怎么直接使用webp格式的图片呢, 是要安装组件呢还是要自己写方法。...
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Jan 27, 2021
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python - Safely evaluate simple string equation
I'm writing a program in which an equation is inputted as a string, then evaluated. So far, I've come up ... a mathematical expression from a string, as if inputting a number?...
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Jan 27, 2021
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python
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微信小程序如何实现扫描二维码验证优惠券是否使用?
微信小程序如何实现扫描二维码验证优惠券是否使用...
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Jan 27, 2021
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webrtc gclient sync
操作系统是乌班图,下载的是webrtc,使用的是声网的镜像 $ gclient sync line 32: bootstrap-3.8.0.chromium.8_bin/python3/bin/ ... workspace -ensure-file /tmp/tmp_VMpuD.ensure' returned non-zero exit status 4...
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webrtc
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antlr - How to preserve whitespace when we use text attribute in Antlr4
I want to keep white space when I call text attribute of token, is there any way to do it? Here is the situation: We have the following ... 1) = ')' THEN M = L; ELSE M = L - 1;...
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antlr
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nodejs election开发的应用自动更新
[背景描述] 使用nodejs election开发了一个运行在linux平台上的应用 [问题] 但有新版本发布时如何自动更新应用...
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Jan 27, 2021
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nodejs
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请问,如何禁止IDEA中的Vue.js插件在XML中显示vue的代码提示
我使用IDEA编写前端和后端代码,遇到如下问题: 不使用Vue.js插件,则写前端页面没有代码提示 使用Vue.js插件,会在所有XML文件中显示Vue的代码提示 请问如何两全齐美的解决呢? 谢谢!...
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python - Getting Django - [Errno 111] Connection refused error
when Im trying to verify user registration via email its showing [Errno 111] Connection refused error in production ... members/register/ [Errno 111] Connection refused please help...
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Jan 27, 2021
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python
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562
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怎样拼接post数据比较舒服?
//提交保存 $('.j-submit').on('click',function () { var tab = $('.am-active').attr('id'); var prize_name = $("#prize-panel-" + tab + " ... ); }); 怎样能方便拼接post字符串?这种太恶心了 当前页没有form表单这个标签 ...
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Jan 27, 2021
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210
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node.js - "npm pack" includes .npmignore file itself
This is my package.json: { ... "files": [ "/artifacts", "/contracts" ], ... } And my .npmignore file, which ... . My question is whether this is the expected behaviour or is a bug?...
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node.js
0
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545
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macos - When debug, I cannot input it appears"Terminal will be reused by tasks, press any key to close it."
I totally follow the official documents but I just cannot debug anyway. In the meantime, every time I try to debug ... program] would like to access files in your Documents folder....
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macos
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207
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flvjs如何监听ws流中断
如题所示:flvjs如何监听ws流中断...
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Jan 27, 2021
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534
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android:state_pressed is not working , pressing the button it is not not changing the color
I have the following XML code in res/drawable and I set button background to this drawable. However when I pressed the ... blue">#49B8C7</color> <color name="pink">#FF8EB9</color>...
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android:state_pressed
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webrtc使用navigator.mediaDevices.getUserMedia获取的流是反的
使用环境 安卓的webview加载h5网页,网页调用navigator.mediaDevices.getUserMedia获取到的流是反的 上下颠倒 通过设置video的 transform只能解决自己的显示,,解决不了推流给别人的流(上下颠倒的) 流程用笔 ... 这个场景会出现,,请问各位大佬有谁遇到过么,,我确定不是代码流程问题,就不贴代码了 ...
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Jan 27, 2021
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409
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hyperf的Str扩展有static静态变量,这样会造成内存泄漏吗?
你好,我在看hyperf的Str扩展时候,发现Str类有类全局静态变量,但是swoole文档说明使用 static 关键词声明的类静态变量 函数静态变量时,swoole是不会回收内存的 请问这样会造成内存泄漏吗, ... 面有说过是直接引用了laravel的illuminate/support,但是我很好奇为什么不直接把Str:uuid这个方法也引入进来 ...
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Jan 27, 2021
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500
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百度收录中,网址后一些参数是什么意思,怎么产生的?
https://bihua.51240.com/e695b0__bihuachaxun/?clicktime=1575546648 https://bihua.51240.com/e695b0__bihuachaxun/?tdsourcetag=s_pctim_aiomsg https://bihua ... 上是百度SITE结果,?后面的参数是怎么产生的?...
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Jan 27, 2021
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255
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NET CORE 3.1 webapi中能不能使用filter来拦截cookies?
之前在MVC中,我使用using Microsoft.AspNetCore.Mvc.Filters这个程序集下的ActionFilterAttribute可以通过ActionExecutingContext.HttpRequest.Request.Cookies获取到 ... 请问在net core 3.1 webapi中如何获取到cookies?...
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Jan 27, 2021
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NET
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465
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vue 移动端头像上传并裁剪功能插件用哪个呢?
求大佬们推荐一个兼容安卓,ios的插件,看了网上的帖子大多不兼容ios的...
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Jan 27, 2021
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