concept pm3

0x00 PrefaceProxmark3 is an open source hardware designed and developed by Jonathan Westhues in his master's thesis to study Mifare Classic, which can be used in RFID sniffing, reading and cloning, such as: PM3 can be in water card, bus card, A series of RFID\NFC cards, such as access cards and their corresponding machine read, data exchange, sniffing attacks, and the use of sniffer data through the XOR Check tool to calculate the sector key, of cours

Mo Ge: I created the concept of App self-promotion !, App Concept [Mo Ge: 1 million articles per day]Yesterday I joined Cui, a new post-90 member of the group (cuinianyyyy9). I have previously asked me about how to develop and start a business from. Net to mobile IOS. I said that if you go to IOS, you need to learn a new language, and then you need to buy an Apple Computer + iphone + ipad, you need 20 thous

ArticleDirectory General CMS definitions --- general definition of CMS Orchard concepts-orchard Concept Ui composition -- interface Synthesis Orchard is a Web CMS system that helps us build websites through existing modules. If we want to use the orchard CMS system to create website applications more efficiently, we need to familiarize ourselves with some basic concepts and terms of orchard. This article will explain some concept

1. generalization (generalization)In C + +, the corresponding inheritance, such as B is a generalization, in C + + performance as:Class B:public a{public : B () {} Virtual ~b () {}}2.implementation (realization)In C + +, corresponding to the concept of virtual functions, such as B implemented a. is to implement the detailed function (interface) of the virtual function in a, which is represented in C + +:Class a{ public:a () {}virtual ~a () {

OutputCache learning-concept, outputcache Concept For more information about caching, see here. Cache category: Client Caching) Proxy Caching) Reverse Proxy Caching) Web Server Caching) Benefits and Applications of Caching: This allows resource files such as css, js, image, and aspx to read the local file during the second access instead of requesting the server again, reducing the client's pressure

FreeMarker concept introduction (1), freemarker concept Introduction1. What is FreeMarker? It is a tool that generates text output based on templates and is written in java. It has nothing to do with specific containers and does not know HTTP or Servlet. Therefore, it can be applied in non-Web application environments. Just like a factory where raw materials (such as data and text) are handed over to FreeMa

MySql concept (2): mysql Concept I. SQL specifications? SQL is the abbreviation of Structured Query Language (Structured Query Language. SQL is a set of operation commands for databases. It is a fully functional database language. When using it, you only need to issue the "what to do" command, and the "how to do" command does not need to be considered by the user. SQL is powerful, easy to learn, and easy to

7. C ++ class and encapsulation concept, 7. c encapsulation Concept Classes are generally divided into the following two parts: -ClassOfInternalImplementation -ClassOfExternalUsage For example: UserTo use a mobile phone, you only need to knowHow to Use. WhileMobile phone developers, You need to consider the mobile phoneInternal implementationDetails. Class Encapsulation Not every member variable and m

Concept of the javaweb framework-its own object storage pool and the concept of the javaweb framework Original Design:When a website provides services, many objects such as bean and dao are created frequently. However, these objects can be reused.Design Concept:The ObjectPool of the object connection pool uses the single-State design mode. It comes with a thread and callsClearObject method,To ensure synchro

The concept of class objects in Ruby and the concept of ruby objects Object-oriented Programs involve classes and objects. A class is a blueprint created from an individual object. In object-oriented terms, we say that James's bicycle is an object instance called a bicycle. Example of any vehicle. It includes wheel, horsepower, fuel or gas tank capacity. Data members of vehicles with these features. These f

Explain the concept of range in Ruby and the concept of Ruby range. The scope is everywhere: From January 1, January to January 1, December, from December 9 to December 9, 50 to 67 rows, and so on. Ruby supports a range and allows us to use multiple methods: As sequence range As condition range Range As sequence range: First, it may be the most natural use range to express the sequence. A sequence h

archive mode.3, the main library and the operating system from the library must be the same (allow different versions), from the library can use a different directory structure than the main library.4, the master-slave library hardware system architecture must be the same. For example: The main library is running on a 64-bit sun SPARC system, which is not allowed if the Linux Intel system is 32-bit from the library. The configuration of the master-slave library hardware can be different, such a

Tags: nosql NoSQL Basic Concepts and MongoDB MongoDB Basic Application MongoDB Index and copy set The concept of database sharding and the realization of MongoDB sharding I. The basic concept of NoSQLNoSQL (not just SQL), is a technical genre, non-relational database; it is one of the drawbacks of NoSQL to be used in the bi

I. The concept and architecture of Rman Recovery Manager (RMAN) is an Oracle tool for backup (Backup), restore (Restore), and recovery (recover) databases. Rman can only be used in ORACLE8 or higher versions. It can back up the entire database or database parts, such as tablespaces, data files, control files, archive files, and spfile parameter files. Rman also allows you to perform incremental block-level backups, and incremental Rman backups are ti

Tags: des cWeb style blog http java color using2014-07-24 BaoxinjianI. Summary We know that the Oarcle database is the data files that really hold the data;Oarcle table Space (tablespaces) is actually a logical concept, he does not exist physically, then a set of data files are twisted together to become a table space;In the Oracle database, all data from the logical structure is stored in the table space, of course, the table space is also a se

Concept and pointer of C language files, and concept pointer of C language files1. Concepts of C language files In a program, when an input function is called to input data from an external file to a variable in the program, this operation becomes "input" or "read "; when an output function is called to output the values of variables in a program to an external file, this operation is called "output" or "wr

Understand the concept of reflection and the concept of reflectionI. Reflection Student Feng Weili (sophomore year out of school, now Guangzhou Telecom) listened to the reflection:"Reflection maps various components in the Java class into corresponding java classes.". This sentence is more thorough and incisive than many books have said! After learning these reflection APIs, we will use a compreh

Multithreading, multi-process concept, multi-thread, process concept ■ What is multithreading:Multithreading aims to make multiple threads work in parallel to complete multiple tasks and improve system efficiency. The thread is implemented when multiple tasks need to be completed at the same time.The advantages of using threads are as follows:· Use threads to place tasks in programs that occupy a long time

What is bootstrap used (concept) and bootstrap (concept) Bootstrap is an open-source toolkit launched by Twitter for front-end development. It was developed by Twitter designer Mark Otto and Jacob Thornton. It is a CSS/HTML framework. It is a WEB page framework (the most popular WEB Front-end framework at present). That is to say, you only need to write HTML tags to call its class, and you can quickly crea

Python Package concept, python Package concept 1. A python program consists of a package, a module, and a function. A package is a collection of modules. A module is a collection of functions and classes that handle a certain type of problem. A 2-pack toolbox is used to complete a specific task. The 3 package must contain a _ init _. py file, which is used to identify the current folder as a package. 4.