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Operating System Development Series-bootloaders

Introduction Welcome! We believe that you have been looking forward to this chapter for a long time. This chapter covers many topics, such: Startup Process -- how it works Bootloader Theory Develop a simple bootloader Use NASM to compile this

Python crawler crawls all cars (used cars), uses Padas, matplotlib to generate graphs

The program is mainly to capture the vehicle sales information, including the car system, car model, date of purchase, car selling price, driving distance, down payment price and so on information. Words do not say more direct code.Car system py

Redis python client redis-py installation use documentation _redis

1. Installation Redis-py is the Python interface to the Redis Key-value database, installed as follows, and we'll talk about Hiredis this library Copy Code code as follows: $ sudo pip install Redis $ sudo pip install Hiredis

Multi-Library multi-table (structure identical) script Create federated View

--Today there is a need to write a-test: Create DATABASE [DB1] CREATE DATABASE [DB2] use [DB1] Create TABLE [dbo]. [Table1] ([id] [int],[name] [varchar]) CREATE TABLE [dbo]. [Table2] ([id] [int],[name] [varchar]) CREATE TABLE [dbo]. [Table3] ([id]

Python connection Redis Connection Configuration __python

System Environment: Os:oracle Linux Enterprise 5.6 redis:redis-2.6.8 python:python-2.7.3 Redis Python package version: Redis-2.7.2.tar Prerequisites: 1. Ensure that the Redis has been successfully installed and properly configured, reference

Redis implements functions similar to synchronous method calls (i)

First of all, this is done purely for fun. Usually we use Redis mainly to store some data, because the data is in memory, so the query updates quickly. We can also use the PUB/SUB function to implement message publishing/subscription. But today we

Linux C Language Operations database (connection SQLite database) _c language

Copy Code code as follows: #include #include int select_callback (void *data,int Col_count,char **col_values,char **col_name){Each record recalls the function once, how many times it is recalledint i;for (i=0;i{printf ("%s=%s\n",

Database and C + + seven functions

1, open the database:Note: Open a database, the filename does not necessarily exist, if this file does not exist, SQLite will be created automatically. The first parameter refers to the file name, and the second parameter is the defined sqlite3 * *

CLR of Assembly Source series

This is the past DOS era of the compilation of source code, although has passed, but for the study of the assembly is still helpful, assembly language is just a basic programmer language, most people can grasp, not necessarily in-depth research.

(Assembly source code) the 808 Virus

The 808 Virus Here another virus from skism. It ' s a quick overwriting virus but You can use the source code to write your own viruses. ------------------------------------------------------------------------------; The SKisM 808 Virus. Created 1

Assembly Source series of FXN

This is the past DOS era of the compilation of source code, although has passed, but for the study of the assembly is still helpful, assembly language is just a basic programmer language, most people can grasp, not necessarily in-depth research.

"Implementation of an operating system" reading notes--Chapter one--the smallest "operating system"

One, the simplest "operating system" The simplest "operating system" is the simplest boot sector (boot Sector). Although it does not have any functionality, it can run directly on bare metal without relying on other software. A boot sector is 512

Small trial Assembly

Kun's Homework ~ ----------------- ;d ate:2014-05-19; author:d4shman@gmail.com; the debugging and running of a cyclic program of lang:assembly experiment One. Experiment objective to master the debugging and operation method of cyclic program two.

Novice Learning Python (10) Operations Database Redis

The database is divided into two categories:1. Relational database: Mysql,oracle,sql server,db2,sqliteSQL statement Requireddata exists on disk2. Non-relational database: MongoDB, RedisNo table structureNo SQL statementuse Get (' K '), set (' xx

Use MySQL and mysqli to get all the tables in MySQL's database and library

function: Use MySQL and mysqli two ways to connect to the database to get all the tables in all databases and libraries on the MySQL server.Environment: Use separate installation of Apache MySQL PHP built EnvironmentOperating system is: Windows

Array, byte array, conversion, etc.

There are many classes related to Array Operations in the system namespace. The system. array class provides the following common methods:Binarysearch: Binary SearchAlgorithmSearch for values in a one-dimensional sorting array.Copy: Copy part of an

<30-day self-made operating system> (1) initial experience with Assembler

The compilation language compiler we used this time was developed by the author of the original book, called NASK. Many syntaxes are very similar to the famous compilation language compiler NASM. Because the author of the original book did not give

Start of SQLite database application under VC6

SQLite is a database suitable for embedded applications. It is small, fast, and reliable. Real open-source resources are free of charge and do not retain any copyright (PublicDomain ). It does not need to run additional server processes. It is

How to program to obtain database information

Obtain database information: public List GetDatabase(string connectionString) {using (SqlDataAdapter sqlDataAdapter = new SqlDataAdapter("SELECT Name FROM Master.sys.SysDatabases WHERE dbid > 4 ORDER BY Name ", connectionString))

Implement C ++ operations for SQLite databases step by step

SQLiteIs a lightweight database that compliesACIDAssociationRelational Database Service (RDS) is already used in many embedded products. It occupies very low resources and may only require several hundredKThe memory is enough. It

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