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Recent questions
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node.js - Stub not working when writing unit test in Node using Express
Alright, so I have a very simple API that basically returns information on currencies. I am trying to use the clean code ... anyone know how to make this work? Thank you so much...
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在window上安装个PHP memcache的扩展就这么难吗,我就问了?
用的是 wampserver集成环境 php版本是5.5.12的 64位windows7 下载的memcache扩展版本是php_memcache-3.0.8-5.5-ts-vc11-x64.zip , PHP.INI文件配置了,重启了服 ... 出不来memcache扩展,在公司用window10安装的也一样,这个memcache扩展就这么矫情吗?我服了 ...
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javascript - How to calculate a coefficient of irregular set of numbers
I have been years away from my math class. Now I would like to figure out the following. I am writing a simple javascript program where some ... 1.2 (30 / 26) 28 28 1.0 (28 / 28)...
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对于vuex中Actions的疑惑
最近上手了vuex,其它几点都很好理解 但是对于vuex中actions一直有不解 竟然能在组件里用commit提交mutation,然后改变state的数据 为什么又要用actions去触发mutation,再去改变数据呢?那样不是更麻烦了吗? 想请教一下 ... 体实际的好处?或者说更实际的用法? 先谢为敬! 首先谢谢大家的热心解答,所有回答的很好 ...
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How to determine the version number of an executable or DLL file using typescript?
How can I determine the version number of a given executable or DLL file in Typescript? The file is given as a filename such as C:Sample.dll or C:Sample.exe....
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java报错Communications link failure 该如何解决?
就是普通的查询mysql数据库的代码: 错误栈如下: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The ... mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:599) ... 15 more...
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java报错Communications
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Read a pdf grocery flyer with python
Hello I would like to read the attached file, it is a grocery flyer. I tried with pypdf2, tika and tabula and the ... type of file my code the flyer I would like read thankful...
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Read
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asp.net - error MSB4184: The expression ""App_StartRouteConfig.cs".GetPathsOfAllDirectoriesAbove()" cannot be evaluated. (while in Gitlab runner)
I was trying to perform CI/CD using Gitlab runner for a .NET Framework project. This is my . ... ' not found. [C:GitLab-Runneruilds4nvs5Z1P ky_miest-projectmyappmyapp.csproj]...
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在学习瀑布流布局中图片没有正确对齐的问题
在进行left对齐时,使用两种方法,第一种总是无法对齐,第二种就不会(实际上也略有偏差),这两种不应该是一样的结果吗? window.onload=function(){ waterfall("main","box"); } // 通过 ... 种方法在chrome上运行的效果 ![图片描述] 这是控制台输出第一行第四列和第二行第四列的offsetleft...
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flutter - default link open after deploy firebase
I am doing flutter web app hosting in firebase. I create first default link in firebase and this link working ... Firebase Hosting Setup Complete window So what should I do?...
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flutter
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composer 自定义开发包无法使用
最近学习开发composer 扩展包;根据网上的教程,开发完成后,上传到github; 然后发布到: https://packagist.org/package... 使用composer require ckryo/ ... .. packagist地址: https://packagist.org/package... 请大神们指导一下 ...
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scrapy 遍历url列表 ,循环发送请求 只循环一次的问题
一 问题描述 我把url构成列表作为爬虫请求的入口(由'http://www.bjev520.com/jsp/beiqi/pcmap/do/pcMap.jsp?cityName=省市名'构成) 对入口地址请求后,每个对象中都还有一层带url的子集合(' ... scrapy方法思路雍错,使得程序只遍历了一个对象,循环就不再继续了,请大家帮助解答一下,感恩!...
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mysql - Creating specific size
I have a table in html.I want to add that table with php on my database. The problem is with my table. I have done that ... { echo "0 result"; } $mysqli->close(); ?> </table>...
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xp 安装centos双系统,安装好后没有显示启动的选项
用grub4 安装centos安装完成后重启确还是原来的windos xp系统,没有centos的选择...
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xp
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lua - How do I make the players teleport to their selected plots?
I have successfully made a plot selection system for my game with the help of this subreddit. I am now trying to make the ... plots. Please help me as I have no idea what to do....
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lua
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日期 12和24小时制显示问题
先上图 左是Linux Ubuntu系统,数据库是mssql 右是Linux centos系统,数据库是mssql 查询同样的数据,结束时间那里,左边显示的是24小时进制,右边的自动换成了12小时进制 查了google很久,也找不到答案 ... 了12小时进制,像上面右图结束时间一样 左边是Ubuntu,右边是centos 数据库时间格式是24小时进制...
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mysql - I am using webmin server. and issue is facing file uploading problem in php
My code working good in xampp server but I move all directory to webmin then all functions working good but only file ... = true) { header('Location:upcoming-refreshers.php'); }...
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javascript - Django CSS/JS MIME type (“text/html”) mismatch Error
I'm developing a a web application which runs on a local server provided by django. The first page index.html has many ... ( text/html ) mismatch (X-Content-Type-Options: nosniff)....
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javascript - Sending data from background.js to popup.js not working using chrome.runtime.sendMessage
I am trying to send a string from background.js to popup.js. I actually get this string from contentscript.js where ... + typed; chrome.runtime.sendMessage({greeting: typing}); }...
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javascript - react native foreach Loop is not working perfectly
I am working on a react native application. on a screen, I am getting some images from the memory then read their stats ... is loading slowly. means one by one. I want it smoothly....
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elasticsearch - Is there any way to aggregate an average without outliers on elastic?
I need a way to create a transform that will aggregate the average of a field but without the outliers (let's say only ... the average of 2-9 Edited: renamed "value" to "someField"...
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elasticsearch
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weex如何支持setInterval()方法?
weex支持了setTimeout(),直接使用setInterval()不行?...
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addEventListener 为什么事件默认就执行了?
以下代码,给class="inner"元素添加点击事件,但是打开浏览器事件就被执行了,并且传入的事件对象是undefined <body> <div class="outer"> o <div class="inner">i</ ... event); } </script> </body> 打开浏览器 事件就执行了,并且传入的event=undefined...
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SpringMVC 中 <mvc:resources> 标签的用途
...
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javascript - Pure CSS overlay scrolling
using only css and html, is it possible to scroll away the inner div (overlay red div) completely before scrolling down the rest ... ></div> </div> <div class="headerbreak"> <div>...
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var o = Object({})和var o = new Object({})有什么区别?
打印出来的结果一样的...
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var
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python - Identification of empty elements of a np.array
I want to do a for-loop over a np.array arr[r,c] with unpredicted NaN and want to identify those in order to impute them specifically according to the context. Could anybody helP?...
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python
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指示器随机变
在讨论期望为线性时间的选择算法时,有一题问 我认为不是独立的,Xk 会影响后者,但是为什么是相互独立的呢? 其次是 证明T(n)时不要取平均吗?...
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