Code audit | [De1CTF 2019]SSRF Me

[De1CTF 2019]SSRF Me Preface I thought it was a flash template injection, but after reading the other masters' writeup, I found that it was a code audit process, so I'll be relieved to audit the code. Prompt flag in / flag.txt Code after sorting #! /usr/bin/env python #encoding=utf-8 from flask im ...

Posted on Sun, 09 Feb 2020 06:58:28 -0800 by overlordofevil

Java realizes WeChat (main and subsidiary business mode) and Alipay payment.

1, Business requirements To achieve APP WeChat and Alipay payment, the back end needs to generate advance payment and respond to payment results; WeChat merchants adopt sub business mode. 2, Refer to official documents Wechat ordinary merchant: https://pay.weixin.qq.com/wiki/doc/api/app/app.php?ch ...

Posted on Sun, 09 Feb 2020 06:35:22 -0800 by Kodak07

ESP8266 development tour application part ⑦ simple version online access to new coronavirus in specific provinces

It is better to teach people to fish than to teach people to fish. The purpose is not to teach you specific project development, but to learn the ability of learning. I hope you can share it with your friends or classmates who are in need around you. Maybe there is a foundation stone of Bogor in the wa ...

Posted on Sun, 09 Feb 2020 01:16:35 -0800 by douga

Educational administration management system realizes 1-account login

Educational administration management system - account login implementation Project structure (1) Login interface Enter the user name and password, select the identity, and log in to the corresponding student interface and teacher interface. (2) System student interface Display the student's nam ...

Posted on Sat, 08 Feb 2020 01:08:37 -0800 by joix

Node.js Learning Notes 9 - Deploying Node applications to Docker

Deploying Node applications to Docker It takes about 10 minutes to read this blog Docker is an open source application container engine based on the Go language and compliant with the Apache 2.0 protocol. Docker s can allow developers to package their applications and dependencies into a lightweight, ...

Posted on Fri, 07 Feb 2020 18:10:57 -0800 by y2yang

Web crawler - project practice (crawling through all articles in Encyclopedia of embarrassing events)

Project analysis 1, First of all, we're ready to crawl the website Encyclopedia Website (http://www.qiushibaike.com/), you can check the source code of the article to find out the rules of the content we want to crawl. Here is part of the code I extracted <div class="content"> <span> When ...

Posted on Fri, 07 Feb 2020 01:34:42 -0800 by Pie

How to obtain the attribute information of data changes in C ා - class

I. Preface In normal development, when the user modifies the data, there is no good way to record the specific modified information. We can only temporarily use the method of serializing the class into a json string and then inserting it into the log. At this time, if we want to know which field values the user has changed, it is very difficult ...

Posted on Thu, 06 Feb 2020 23:54:52 -0800 by jprazen

LiteOS Cloud Docking Tutorial 01-cJSON Component Use Tutorial

1. JSON and cJSON JSON - Lightweight Data Format JSON The full name JavaScript Object Notation, or the short spectrum of JS objects, is a lightweight data format. It uses a text format completely independent of the programming language to store and represent data. Its syntax is simple, hierarchical str ...

Posted on Thu, 06 Feb 2020 20:57:43 -0800 by Minase

Redis practice String of data structure storage object of practice

Overview: the related content of this series of blog articles comes from the actual combat course recorded by debug in person: Introduction to Redis technology and application scenario practice (SpringBoot2.x + red packet system design and practice) , interested partners can click to learn by themselves (after all, mastering technology in the ...

Posted on Thu, 06 Feb 2020 01:44:45 -0800 by psycho_somatic

Where to store the crawled data

Last time, we took QQ music as an example, mainly learning how to request data with parameters (get request) and the use of Request Headers, and finally crawled to the data of Jay Chou's song information. So here comes a new question: how to save the crawled data? You may come up with a solution: copy a ...

Posted on Thu, 06 Feb 2020 00:24:18 -0800 by grayscale2005.