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517 views

1 answer

403 error when using PHP CURL with a PROXY

I am trying to build a function that can CURL a URL with a proxy but whatever I try seems to give a 403 ... $result; } Exact error returned: The requested URL returned error: 403...

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

0 votes

281 views

1 answer

python - Export Regression Output

How do you export the Stargazer Python regression output to a HTML file, PDF or png ... .com/mwburke/stargazer/blob/9ee4c40bee45a689b209ea7b21b2bcbc3d036356/README.md#latex-example...

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

0 votes

233 views

1 answer

Getting "Page not found" error in publishing website via Github

I am relatively a new user of R and it is my first post in StackOverflow, so please excuse me if I do not ... . Every kind of help is really appreciated. Thank you in beforehand....

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

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477 views

1 answer

如何将大量excel表格模板导入mysql数据库中？

1、计划做一套基于B/S架构的云端资料编写系统，通过将现有excel资料表格模板导入进数据库，实现web端填写资料信息，实现资料表格预览、下载、打印等功能。目前的问题是不知道如何将EXCEL固定的表格样式导入进数据库中。...

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

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719 views

1 answer

ssl - Certbot renew fails on server becase "E: Package 'python-virtualenv' has no installation candidate"

I am trying to renew my certificate, that I generated using certbot. I am running sudo certbot renew but I get this ... but no luck. Anyone faced this error and found a solution?...

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

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620 views

1 answer

c# - Log4Net does not use the layout

I am using log4net in my project. But if I am calling log.Error(message); it only logs the message in my logfile and ... /> <appender-ref ref="FileAppender"/> </root> </log4net>...

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

0 votes

447 views

1 answer

我不想在V层的抽象里请求网络,有什么办法吗?

感谢您查看我的疑问. 我有个很多个fragment(我的V层) 他们里面都有请求网络的操作,他们通常只会关心请求成功的数据所以我就抽取了一个BaseFragment 在这个BaseFragment 里面,将请求网络时的进度显示,失败处理做了统一处理 ... 在抽象里面解决,不然每个子类都需要自己再实现完全一样的对错误的处理,代码重复感谢您查看我的疑问....

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

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539 views

1 answer

在同一电脑上运行两份相似程序时怎么分别配置环境变量？

我和同学在windows上开发同一个python写的项目，但是由于项目要求，有时他只能把代码用U盘拷到我电脑上来。pycharm运行他的gui.py时，继承的总是我的项目文件，把他的文件路径添加到PYTHONPATH和path里也没反应。该如何设置环境变量？...

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

0 votes

1.1k views

1 answer

php session_start 启动过慢问题。

最近本地项目，每次session_start都要非常长时间 session_start 在php.ini 里默认开启本地项目，不存在访问量大的时候对session文件写锁死不存在session文件过多问题，只有 4~5 个session文件 ... 依然存在，怀疑是开启不成功重复开启求支招还有哪些问题会导致session_start启动过慢问题...

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

0 votes

635 views

1 answer

postgresql - Dynamically add previous row value to current row value in SQL(Postgres)

I have a table with the following structure: id col1 col2 1 1 0 2 1 1 3 1 0 4 1 2 5 1 1 6 1 2 7 1 1...

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

0 votes

347 views

1 answer

python - Possible ways to draw n diagonals in an mxm square such that they do not touch each other

I'm trying to write the code to draw n diagonals in an m by m square such that they do not touch each other. ... t figure out any other way to implement those loops or avoid them....

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

0 votes

477 views

1 answer

数据库与逻辑应用分离的情况下怎么保证信息同步，或者叫安全

我不太明白这个词怎么表达是这样的，现在有一台服务器运行数据库（server），另外一台运行php程序（client），浏览器(Browser)访问client，然后client逻辑判断后通过http协议对server中的数据库进行CURD操作有个问题就是 ... 于是会有两次写入server数据库的操作，就会造成错误这个问题属于什么？应该怎么解决？...

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

0 votes

340 views

1 answer

新手求助：为什么这里的Console.log返回undefined？

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

0 votes

205 views

1 answer

javascript - Why doesn't this arrow function work in IE 11?

Below piece of code does not work in IE 11, it throws a syntax error in the console g.selectAll(".mainBars") .append("text") ... in above statement d=>(d.part=="primary"? -40: 40)...

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

0 votes

469 views

1 answer

ajax请求返回200，json中文乱码怎么破？

json文件 [{ id: 2, name: '权限控制', icon: 'icon-shield', type: '0', url: '', layer: '0', pid: 0 }, { id: 3, name: ... error: function(data) { console.log("error"); } }) }); ↓↓控制台错误截图↓↓...

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

0 votes

204 views

1 answer

vue组件内无法更新数据的问题

如下图，如果v-model是一个固定已知的属性，比如aa 就正常 <el-radio-group v-model="aa" > <el-radio :label="1">选择11</el-radio> <el ... ">选择22</el-radio> </el-radio-group> 例子：https://jsfiddle.net/milu2003......

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

0 votes

419 views

1 answer

express - React Route nodejs auth redirect on heroku

Im trying to redirect user after he successfully login on heroku, but it won't redirect him to /user-panel and he is ... user login the url is changing but the component isn't....

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

0 votes

497 views

1 answer

python中的虚拟环境怎样设置一直处于激活状态

如题：python中的虚拟环境怎样设置一直处于激活状态...

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

0 votes

530 views

1 answer

微信小程序莫名其妙wx.saveFile 怎么都不走了，也不报错

不知为何怎么都不走进wx.saveFile 方法了，就算有错也应该会报吧，完全无视了这个方法，我搞不懂了 <button id="video" bindtap="showVideo" >test ... ) {console.log(res); var savedFilePath = res.savedFilePath; } }) } }) }...

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

0 votes

538 views

1 answer

【省市区三级联动】旧语法weex，有好的实现思路吗？

新版语法有一个 picker 内建模块但是，旧版语法是没有的。所以旧语法的H5页面想实现省市区三级联动有大神有思路吗？...

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

0 votes

876 views

1 answer

ng zorro antd - add a link on the right corner of every dropdown option in ant design angular

Hello there i wish you all doing great. i have this part of code. <li style="display: inline-block;" *ngIf="listes && ... i want is this. how can i add the button edit please....

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

0 votes

333 views

1 answer

一道C语言算法题出了问题

#include <iostream> #include <stdio.h> using namespace std; bool a[241][241]; int main() { int x,y,k,i,m,n,mm,nn,ans=0; cin>>x>>y>>k; ... 例如输进去6 4 2 1 1 2 4 1 3 5 4 应该是14打出来却是4...

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

0 votes

830 views

1 answer

ocaml - Type mismatch with operation on lists

New in Ocaml and I'm trying to implement a couple of functions to manage a list of a custom types. I'm trying to ... able to find the error :/, maybe this is a stupid question....

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

0 votes

559 views

1 answer

对于存在 submodule 的 git 仓库怎么 clone 最少的代码？对比 git clone --depth=1

单纯从 github 下载使用软件时，可以通过 depth 参数来下载最先的代码，但是对于有 submodule 的项目，执行 git submodule update --init --recursive --depth=1 ，因 ... 是 shallow clone, 所以无法 checkout 到目标 commit 这种情况有什么办法解决？...

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

0 votes

377 views

1 answer

Does opening a second sqlite database connection from Node.js sqlite library use the same connection?

I'm currently creating a Node.js application that is storing data using an sqlite3 database. I have the sqlite3 ... will these connections stack up and slow down the process?...

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

0 votes

366 views

1 answer

VB.NET iTextSharp.text.pdf not going aligning to center

I'm studying itextsharp in VB.Net and I'm trying to center the text to PDF and i been researching for this one for ... the text is always stuck in the left side of the pdf document...

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

0 votes

716 views

1 answer

python - ImportError: cannot import name 'dump' from 'joblib' in Spyder

I am trying to run the following in Python using Spyder: import pandas as pd import numpy as np import ... 'dump' from 'joblib' (C:Usersusername.spyder-py3joblib_init_.py)...

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

0 votes

286 views

1 answer

vscode可以对js进行代码检查吗？

以前用的sublime,可以对js的错误进行提示，现在在用vscode,想了解下有对js进行代码报错的插件吗？...

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

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