Programmer Think

Defcon 2018 Qualify: Easy Pisy 1. Source Code The title is given to two people: execute.php <?php include 'common.php'; if ($_SERVER['REQUEST_METHOD'] === 'GET') { print highlight_string(file_get_contents("execute.php"), TRUE); exit(0); } $keys = get_keys(); $privkey = $keys[0]; $pubkey = $keys[1]; $file_info = $_FILES['userf ...

Previously, I learned that the integration of single data source and multiple data sources of springboot + mybatis has been used. In this article, let's talk about the high-end usage of mybatis 1. Environmental collocation 1.1 pom dependency Based on springboot 2.5.6, you can also refer to the first article of mybatis <!--Mysql Dependent ...

This article mainly introduces the 15 minute start vue3 0. The example code introduced in this paper is very detailed, which has a certain reference value for everyone's study or work Vue 3 has not been officially released, but the Alpha version has been released. *** Shouting that I can't learn anymore, I honestly opened the Vue 3 document w ...

Reprint: https://www.runoob.com/docker/ubuntu-docker-install.html Docker installation Environmental preparation 1,ubuntu 2. Use Xshell to connect to the remote server for operation Environment view #The system kernel is above 3.10 zzw@zzw-virtual-machine:~$ uname -r 3.10.0-1062.12.1.e17.x86_64 zzw@zzw-virtual-machine:~$ cat /et ...

1, Data security control 1. Access rights in relational database system 2. Authorization: Grant and withdrawal ① GRANT (GRANT permission) Grant < < Permission > [< Permission >] On < object type > < object name > [< object type > < object name >] To < user > [< user >] [WITH GRANT ...

I Introduction to lallal is an open source live streaming media network transmission project, which is mainly composed of three parts:lalserver: streaming media forwarding server. It is similar to nginx RTMP module and other services, but supports more protocols and provides richer functions.demo: some small applications, such as push and pull ...

explain I have written an article on variables before [UEFI basis] UEFI variable basis , this paper uses simulated variables, while this paper is closer to the actual variable module. Environment settings In order to test the variable function of BIOS, you need to modify the startup option of QEMU, as shown below: qemu-system-x86_64 -machin ...

Previously, I wrote an automatic answer script for encrypted video playback (written with easy language desert plug-in) There are also merchants' automatic voice response (also easy language + desert plug-in) There is also an automatic check-in for Android end nails written by autojs There is also a treasure collar meow coin. There are ...

Personal data, for learning purposes only Modification time - 21:11:31, February 19, 2022 Course of study: OpenCV4 image processing and video analysis practical tutorial Lecturer: Jia Zhigang 13 custom filtering opencv knowledge points: Convolute image with kernel - filter2DScaling takes absolute value and converts it to 8 bits - convertSc ...

MySQL lock 1. Concept of lock Lock mechanism: a rule designed by a database to ensure the consistency of data and use various shared resources to become orderly when accessed concurrently. For example, when purchasing goods on e-commerce websites, there is only one commodity in the commodity table, and at this time, two people buy at the sa ...