It programmer development Essentials-all kinds of resources download list, history of the most IT resources, personal collection summary.
SMTP protocol
All called Simple Mail Transfer Protocol, which defines the rules for communication between the mail client software and the SMTP server, and between two SMTP servers.
POP3 Protocol
All called the Post Office
TCP vs. UDP differencesTCP---Transmission Control Protocol, providing a connection-oriented, reliable byte-stream service. Before the customer and the server Exchange data with each other, a TCP connection must be established between the two parties before the data can be transferred. TCP provides time-out re-send, discard duplicate data, test data, flow control and other functions to ensure that data can be transmitted from one end to the other.UDP--
Preface: Because OBJECT-C does not support multiple inheritance, it is often replaced with protocol (protocol). The Protocol (protocol) can only define a common set of interfaces, but cannot provide a specific implementation method. That is, it only tells you what to do, but specifically how to do it, it does not care.
Small } var k:kind{ if (String (self). lowercasestring = = "a") { return kind.big }else{ return kind.small } }}var Ch:character = "a" CH.K //Returns an enumeration value Kind.bigIi. Agreement (protocol)You can define methods and properties , which are implemented by specific classes . More and more like JavaThe protocols in Swift can be implemented by classes , enumerations , and structs .
//Main.m05-protoco//Created by Apple on 13-8-11.Copyright (c) 2013 itcast. All rights reserved.///*1. Definition of the Agreement@protocol Agreement name Method declaration List ....@end2. How to comply with the agreement1> Class Compliance Agreement@interface Class Name: Parent class name @end2> Protocol Compliance Agreement@protocol Agreement name @end3. Keywor
WEBQQ usage of the latest login protocol, WEBQQ protocol usage
This article describes the usage of WEBQQ's latest landing protocol. Share to everyone for your reference. The specific analysis is as follows:
WEBQQ protocol Update, the original landing algorithm and other information changes, resulting in a lot of frien
HTTP protocol and http protocol details
HTTP protocol
Purpose: Describe the protocol for data transmission between the client and the server.
Full name: Hypertext Transfer Protocol
Common versions: 1.0 and 1.1
Stateless Protocol
Recently, when using PowerDesigner to connect remote Oracle for reverse engineering, there have been a number of problems that are common, mostly due to configurationDescription(1) Remote database version Q oracle11g 64bit(2) Local simultaneous installation:ORACLE11G Client 32bitoracle11g 64bit(3) Native installation PowerDesigner 15.2(3) Pre-preparation:Direct copy of ORACLE server%oracle_home%\network\admin\tnsnames.ora fileTo the ORACLE client%oracle_client%\network\admin\ directoryProblem:Is
Objective-c Protocol (Protocol), objectivecprotocol
The Protocol is a list of methods shared by multiple classes. methods listed in the Protocol are not implemented in this class, but are implemented by other classes. To comply with a protocol, a class must implement all met
Preliminary Study on WCF-20: WCF error protocol, Preliminary Study on wcf-20 ProtocolWCFError agreements Overview
In all hosted applications, error handling is represented by an Exception object. In SOAP-based applications (such as WCF applications), service methods use SOAP error messages to transmit and process error messages. A soap error is a message type included in the service operation metadata. Therefore, an error
Original address:Http://storm.apache.org/releases/1.0.1/Multilang-protocol.html This Protocol trial version after 0.7.1 Support for multiple languages through the Shellbolt and Shellspout and Shellprocess classes implements the Ibolt and Ispout interfaces,Also implements a protocol for executing scripts or programs through the shell using Java's Processbuilder class When using this
Implementation of Lightweight Process Control Component Based on netty http protocol stack, netty protocol stack
Today is the winter solstice, the so-called "Winter New Year", the company should also let everyone go home at five o'clock to eat dumplings and drink mutton soup, I still insist on staying in the company because of my high professional qualities (in fact, I can only stay in the company to eat t
SIP (Session Initiation Protocol, conversational initial protocol) was developed to help provide advanced telephony services across the Internet. Internet telephony (IP telephony) is evolving into a formal business telephony model, and sip is an important part of the NGN (Next Generation Network) family of protocols needed to ensure this evolution. Support for the H + protocolSIP Learning Note 2007-12-28 21
PotocalN. Agreement; protocol; etiquette; Diplomatic etiquetteIn the field of computer network, the word potocal is usually translated as "protocol": IP Protocol, TCP Protocol, HTTP protocol (too many omit 1000 words) ~It refers to the agreement between the two parties on ho
The category classification file in OC is equivalent to some classes in C #, and the Protocol protocol file in OC (essentially a header file) is equivalent to an interface in C #. Here is a brief explanation of the two files in OC today.Since the video in the Xcode version is low, resulting in the classification files and protocol files are not found, and finally
Here is an example of the relationship between Uitableviewcontroller and UITableView://------------------------------------------------------------------------//UITableViewController.h@interfaceUitableviewcontroller:uiviewcontroller @property (nonatomic,retain) UITableView*TableView;@end//------------------------------------------------------------------------//UITableView.h@protocolUitableviewdatasource;@protocolUitableviewdelegate@optional//The delegate method is optional@end@interfaceUitablev
Adb overview and Protocol Reference, adb overview Protocol Reference
Original article: https://github.com/android/platform_system_core/blob/master/adb/OVERVIEW.TXT)
Implementation notes regarding ADB.
ADB implementation Annotation
1. General Overview:
1 Overview
The Android Debug Bridge (ADB) is used:
ADB is used in the following scenarios:
Keep track of all Android devices and emulators instances connect
I. Analysis of the Three-way handshake protocol
First, let's look at one of the most common things in our life:
During our online shopping, we often chat with customer service like this: We asked Customer Service about something, Customer Service answered, and then we broke the network... After a while, we will log on again and receive a response from the customer service.
This interaction process completes a response three times. This process
1 Introduction of the Protocol
1.1 Protocol Overview
The intermediate system to the intermediate system Is-is (intermediate system to Intermediatesystem) belongs to the Internal Gateway Protocol IGP (Interior Gateway Protocol) for internal autonomous systems. Is-is is also a link state
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