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[Add to favorites] HTTP protocol analysis (with the Chinese version of HTTP protocol. pdf)

What is HTTP? Simply put, it is a communication specification based on the application layer: both parties need to communicate, and everyone must abide by this specification, which is the HTTP protocol. What can the HTTP protocol do? Most

About Kvo & KVC & Nsnotificationcenter Those things

During the development of iOS, we often hear or use kvo,kvc,nsnotificationcenter and so on, but many times we may not know it well, let's learn more about their concepts, usage and relationships.This blog is divided into the following several

Java Object array

Key points:After creation, an array of basic data types can directly assign values, references, and so on, while a custom array of objects needs to be created independently of each object element in the array before it can be assigned a value, a

Python garbage collection Mechanism--perfect explanation!

Transferred from: http://www.jianshu.com/p/1e375fb40506first, an overview, the second part of the picture is very serious.Garbage collection (GC)Today's high-level languages such as java,c# have adopted a garbage collection mechanism, rather than a

HTTP connection Establishment Method

HTTP supports establishing connections in 2: non-persistent connections and persistent connections (http1.1 uses persistent connections by default ). 1) non-persistent connection Let's take a look at the steps for transferring a web page from the

The first chapter of Java programming thought

1. Abstract processAlan Kay summarizes the object-oriented programming language: All things are objects. A program is a collection of objects that they send messages to tell each other what they want to do. Each object has its own

Principle Analysis of HTTP protocol

One: The origin of http: The OSI model divides the network communication into seven layers: physical layer, Data link layer, network layer, transport layer, Session layer, presentation layer and application layer, it is easy to understand that the

GOLIVE5.0 Tutorials (44)

Tutorial 4.5 Controlling the relative position of multiple objectsThe alignment operation described earlier is only part of the alignment provided by GoLive 5. To understand all the alignment features, go to the Align panel and see figure 4-26. In

Java concurrent Programming--four (Synchronized\lock\volatile) lock mechanism principle and correlation __ programming

Preface In fact, the title is more appropriate to use a mutex mechanism, the main two problems in concurrency is: how the thread synchronization and how the thread communicates. Synchronization is mainly through mutual exclusion mechanism to

Java garbage collection mechanism

In general, we refer to the memory space that has been allocated but cannot be reclaimed as "memory Leaks".   The garbage collector thread is a low-priority thread that, in the life cycle of a Java program, has the opportunity to run only when

Basic javascript programming objective Object-Oriented Programming

Basic javascript programming objective Object-Oriented Programming Javascript is an interpreted language, and there is no significant difference between compilation and runtime. Therefore, a more dynamic method is required. Javascript does not have

Ice Study Notes 3: Object Adapter

A communicator contains one or more object adapters. an Object Adapter sits at the boundary between the ice run time and the server application code and has a Number of responsibilities: • It maps ice objects to servants for incoming requests and

Entity Framework Quick Start-direct modification (brief introduction to objectcontext Processing Mechanism) [reprint]

Entity Framework Quick Start -- directly modify (brief introduction to objectcontext processing mechanism) Before introducing how the Entity Framework modifies an object to a database, let's briefly introduce the processing mechanism of

Compile an HTTP request tool instance

When the HTTP protocol works, the client sends a request to the server. After receiving the request, the server generates a response and returns it to the client.In this communication process, the HTTP protocol is defined in the following four

OO Software Design Specification Structure

OO Software Design Specification Structure1 OverviewSystem Overview, software design goals, references, revision recordsThis part discusses the design objectives of the entire system, and clearly describes which functions are determined by the

Object-oriented programming for JavaScript BASIC programming

JavaScript is an interpreted language, and there is no obvious difference between compile-time and run-time, so a more dynamic approach is needed. JavaScript does not have a formal class concept, and we can use it to create new object types at run

WINDBG Debugging. NET Programs

WinDbg supports the following three types of commands:· General commands to debug a process· Point command to control the debugger· Extension commands, you can add custom commands called WinDbg, which are typically provided by extension DLLsPDB

Definition of Class or object in JS

  This article is mainly on the definition of JS class or object description, the need for friends can come to the reference, I hope to help you. We know that JS is object-oriented. When it comes to object-oriented, it is inevitable to involve the

JAVA garbage collection mechanism

SOURCE Link: http://www.cnblogs.com/laoyangHJ/articles/java_gc.html details Java garbage collection mechanismGarbage Collection GC (Garbage Collection) is one of the core technologies of the Java language, and we have previously explored the new

On the method of creating JavaScript Object _javascript Skill

First, the factory model function Person (name,age) { var p=new Object (); P.name=name; P.age=age; P.showmessage=function () { console.log ("Name:" +this.name+ "Age:" +this.age); } return p; } var P1=person ("K1"); var

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