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Database selection of "large ticketing system" and "physical e-commerce system"

Tags: tar detail compute fast article good name machine SQL Discussion please move to: http://www.zhiliaotech.com/ideajam/idea/detail/423 Related articles: Have you got the tickets today? --On the "Mass Transaction fast Processing" system of the e-commerce site from the Ministry of Railways 12306.cn site Cannot simply apply "physical e-commerce system" to "large ticketing

Operating system Learning-operating system introduction and memory management

!: What is an operating system? The operating system does not have a complete, precise, and generally accepted definition because the operating system is a complex system software whose outer edges or boundaries are not very clear. But it can be defined from the perspective of function, from the perspective of function

Linux system (I) file system, compression, packaging operation summary, linux Packaging

Linux system (I) file system, compression, packaging operation summary, linux PackagingPreface The current situation is that. Net is already open-source, and. Net Core is cross-platform. It can be seen that Microsoft is working hard, changing, making progress, and moving towards spring. Once upon a time, Microsoft was a god-oriented. Net practitioner. If you don't open your mind to open source and change yo

Win7 system can not boot into the system solution

Many users who download and install Win7 systems sometimes encounter problems with the system when the computer is turned on, do not know what is going on, restart the computer or this. What is the reason for this? Below we will help everyone to solve the Win7 system computer boot into the system problems.Win7 system c

Difference between project manager-system analyst-System Architect

I was not very clear about these two concepts, and then I collected the following information on the Internet to facilitate you! When the software scale is relatively small, the work done by the system analyst is to put the real business needs (this requirement does not refer to what the customer simply calls a function, but needs to be mined, it may be a potential but necessary system. business functions w

Integrated System? Or professional system?

The development of information technology in the banking industry has appeared in two different directions. One is to implement all functions including business processing, query, statistics, and management in a set of systems as much as possible, each system is an integrated system, forming a so-called "integrated" system. One is to separate query, statistics, m

Development of trueffs file system driver for VxWorks Embedded Operating System

The embedded system's requirements for execution speed and system reliability determine that an embedded system requires a safe and fast storage device, this kind of equipment also requires features such as small size, large capacity, and no loss of power-down data. Flash memory can meet the above requirements. This also makes flash memory the main storage device in the embedded system.Now Flash technology

Recover the system with the "Automatic System Recovery" provided by Win XP"

A serious problem occurred in the Windows XP system used by my colleague Mr. Wang. You need to reinstall the Windows XP system. This can break down the system. reinstalling the system means not only re-installing all the system upgrade patches, but also re-installing all the

Introduction to Java's collection framework system and java framework system

Introduction to Java's collection framework system and java framework systemFunctions of collection classes A collection class is also called a container class. Like an array, it is used to store data. However, the array type is single, the length is fixed, and the restriction is large. The collection class can dynamically increase the length. The elements stored in the set are all objects (reference addresses), so the set can store different data

Database selection of "large ticketing system" and "physical e-commerce system"

Discussion please move to: http://www.zhiliaotech.com/ideajam/idea/detail/423Related articles:Have you got the tickets today? --On the "Mass Transaction fast Processing" system of the e-commerce site from the Ministry of Railways 12306.cn siteCannot simply apply "physical e-commerce system" to "large ticketing system" to do demand analysis"Large ticketing

Linux embedded system and how to develop your own Embedded System

Linux embedded system and how to develop your own embedded system-Linux general technology-Linux programming and kernel information. The following is a detailed description. Most Linux systems run on PC platforms, but Linux is also very stable as an embedded system. This article depicts an overview of an embedded system

Ubuntu dual system installation tutorial and troubleshooting, ubuntu Dual System

Ubuntu dual system installation tutorial and troubleshooting, ubuntu Dual SystemPreparations for dual-system installation At least two USB flash drives are required. One is used as the ubuntu boot disk and the other is used as the windows 7 boot disk. The method can be rufus or UltraISO. We recommend the former. All images of the operating system are written into

Geographic coordinate system and earth Coordinate System

Geographic coordinate system and earth coordinate system (reproduced) Geographic coordinates: spherical coordinates. The reference plane is an elliptical sphere. Coordinate unit: longitude and latitudeCoordinate: plane coordinate. The reference flat area is the coordinate unit of the horizontal plane, including meters and kilometers.The process of geographic coordinate transformation to the Earth c

System Architect-Basic to Enterprise Application architecture-System modeling [medium] (top)

First, Oberzhang reviewIn the previous article, we briefly introduced the relevant content of UML of standard modeling language used in modeling, including the usage of use case diagram and class diagram and how to model it. I believe that we have a preliminary understanding of the UML modeling languageAnd to remember the usefulness of UML's different modeling graphs. For example, use case diagrams are primarily used to describe the functional requirements of a

Rotten mud: [solution] After the LVM volume group name is modified and the system is restarted, it cannot enter the system.

Rotten mud: [solution] After the LVM volume group name is modified and the system is restarted, it cannot enter the system. This article was sponsored by Xiuyi linfeng and first launched in the dark world. The installation of a server system is complete, but the LVM volume group vg uses the default VolGroup name, which is uncomfortable to use. I plan to change th

Management of the Linux operating system (concept of operating system) one

in the introduction Linux Management Before I ask you a question, what is the operating system? in fact, many people are not able to say, the operating system can also be said to be a software, it is running on the computer hardware software, this software and common applications and game software is very different, the operating system is the application and har

"Bird Brother-Basic Learning" Summary (8): Linux disk and File System Management Understanding EXT2 System

1 disk composition and partition 1.1 disk physical composition (1) Circular disc-recording data (2) mechanical arm and head-read and write disc data (3) Spindle motor-enables the robot to read and write Data driven 1.2 platters physical composition (1) sector-minimum physical storage unit, 512bytes (2) Cylinder- Sector consists of a circle, the smallest unit of partition (3) The first sector-the most important sector, contains the master boot record mbr446bytes and the partition table PB 64bytes

A detailed description of the startup process and system initialization of Linux system

First, the Linux system startup processThe start-up process for Linux systems can be divided into the following steps:Post power-on self-Test-->bios (boot Sequence)--loads the MBR on the corresponding boot (bootloader)--and the master boot setting loads its Bootloader-->kernel initialization-- Initrd->/etc/init process Load/etc/inittab, its process flowchart is as follows:Second, the detailed START process analysis⑴ Post post: When the host c

Recovery system with the "Automated System Recovery" _windowsxp with Win XP

My colleague Xiao Wang has a serious problem with the Windows XP system that needs to be reinstalled. This can make Xiao Wang angry, reload system means not only to the system of all the upgrade patch reinstall, but also to install all the software again, this will not waste a lot of time? In fact, Windows XP users need to do the prevention work ahead of time, r

(Original) how to build a system that can run μC/DE2-70 on the OS-II with the system? (SOC) (nano II) (μC/OS-II) (DE2-70)

AbstractIn this paper, the use of Quartus II, system builder, niosii eds from 0 to create a can run on the DE2-70 μC/OS-II niosii system, beginners can use this example to familiarize themselves with the use of Quartus II, FPGA builder, and niosii eds, and to understand the development process of FPGA-based embedded systems. IntroductionUse environment: Quartus II 8.1 + NiO II eds 8.1 + DE2-70 (Cyclone II

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