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This article summarizes the good, from: http://hi.baidu.com/to_wait/blog/item/3e855931a5a51717eac4af22.html The TCP/IP protocol involves four layers: link layer, network layer, transmission layer, and application layer.The Ethernet data frame is at

The request object is primarily used to obtain data from the client, such as the data that the user fills in the form, the cookie saved on the client, and so on, this article will explain its main role around the request object: Read the form

Transaction:The so-called transaction is: All steps of a process are either successful or all fail.Example: Bank transferTransaction failure occurs when a transaction is rolled back: that is, if a step within a process has an error, the steps before

The origin of CookiecookieBecause the HTTP request is not statefulStateless means that each request is independent, its execution and results are not directly related to the previous request and subsequent requests, it is not directly affected by

The author of a directory below has 2000 C files to be processed, in order to quickly implement, write the following code to open:1#include 2#include 34int Main (void)5{6 int i = 0;7 FILE * fp = NULL;8 char filename[10] = {0,};9printf ("hello!\n");11

Every time you start uWSGI, you have to input a long string of commands, which is a waste of time. it is worth exploring how to conveniently and effectively manage uWSGI. After one afternoon, I finally achieved some results. Install supervisor Run

4K corresponds to 4096HDD Mode:First, let the SSD run in AHCI mode:AHCI, the full name Advanced host controller Interface, which is the high-level hosting controllers interface, is more suitable for SSD SATA storage device communication protocols

################################# # # #第二本书 IV Unit #############################################I. Partition DIVISIONFdisk/dev/vdbThe device presents a logical sector size is smaller thanThe physical sector size. Aligning to a physical sector (or

Document directory 1. URL length limit 2. length limit of Post Data 3. Cookie length limit 4. Html5 LocalStorage  Http1.0 format Request (HTTP Request Message)Structure: A request line. Partial message headers and entity content. Some of the

From: http://163navy.blog.163.com/blog/static/105304086201174111553745/ 11:15:53 | category:PHP & Person | font size subscriptionI thought there was no limit because the type section in the PHP Manual did not mention this issue. However, this

1. web applications, some called status management, some called Cache Management, and cache mechanism. 2. server-side cache and client-side cache. 3. Client Cache: 3.1 Cookies:The client sends a request to the server every time it sends the request.

Original article: http://davidlu1001.blogbus.com/logs/85182548.html Shared memory allows multiple processes to access the same memory space. It is the fastest available IPC format. It is designed to reduce the running efficiency of other

Ah, I started cleaning when I got home from work. It wasn't done until the early morning. It was really tired. However, it is planned that this article must be completed today, so you can't sleep without writing it. Let's get into the subject as

URL, Session, Cookies, Server. Transfer, Application, and cross-page Transfer.[Analysis]This topic examines whether the interviewer's understanding of Multi-page pass-through in ASP. NET is comprehensive. Because the ASP. NET page form is submitted

From: http://blog.csdn.net/LocalVar/archive/2008/02/13/3620555.aspx  1. Introduction An important feature of a database that supports transactions like SQLITE is "Atomic commit ". Atomic commit means that all modification actions in a transaction

Grub boot error solving instance I have two hard disks on my computer, one solid state drive (sda) is installed with win7, and the other general hard drive (sdb) is installed with Ubuntu and CentOS systems, the system boot guide is ubuntu's grub2

How to view the hard drive brand model and other details of CentOS First, use the smartctl -- all/dev/sda command to check the hard disk information. This command comes with CentOS. The result may be as follows: Smartctl 5.43 2012-06-30 r3573 [x86_64

My understanding of virtual memoryWhat is virtual memory? You can directly extract an introduction from wikipedia. Virtual Memory is a technology for memory management in computer systems. It makes the application think that it has continuous

Deep understanding of Linux memory management1. Memory Address Taking Intel's central processor as an example, in a 32-bit Linux system, the basic unit of physical memory is Byte, and one Byte has eight binary digits. Each memory address points to

After a long period of development, many users are familiar with the Linux system. Here I will share with you the four types of stack used in Linux. 1. System-guided initialization of temporarily used stacks 2. After the protection mode is enabled,