' BookService.Models.Author ' contains cycles and cannot being serialized if reference tracking is Disabled.exceptionmessage> exceptiontype>System.Runtime.Serialization.SerializationExceptionexceptiontype> StackTrace>...StackTrace> innerexception>Error>One solution is to use a dto, and I'll describe it in the next section.You can configure the JSON or XML formatter to handle graph loops. For a lot of other information, see Handling Circular Object References. (Http://www.asp.net/web-api/
Detailed explanation of AJAX working principles and advantages and disadvantages, and the advantages and disadvantages of ajax Working Principles
AJAX is a technology used to create fast dynamic web pages. By performing a small amount of data exchange with the server in the background, AJAX can implement asynchronous updates on webpages. This means that you can update a part of a webpage without reloading t
Working principle of database connection pool and the generation of this technology, working principle of Database Connection
Why does this technology exist?
Database connection is a very precious and limited resource, especially on the network of multiple users. The management of databases directly affects the performance of the entire system.
1. Creating a database connection is a very time-consuming o
Concept and working principle of WebService (I). Working Principle of webservice
Today, let's learn about WebService. What is it?
Web service is a platform-independent, low-coupling, self-contained, programmable web-based application that can use open XML (a subset of standard General Markup Language) standards are used to describe, publish, discover, coordinate, and configure these applications for Distrib
C ++ implements a multi-thread synchronization mode of collaborative working program example, working program example
Multi-threaded concurrent programs and collaborative programs are actually different concepts. Multi-thread concurrency means that multiple execution sequences run at the same time, while the collaborative program is that multiple execution sequences collaborate with each other, and there is
What is the difference between working and start-ups? Some people say they all make money and live their lives ......
Working for a job depends on your own ability to eat, and entrepreneurship depends on your own wisdom and thinking;
Working is based on the ability of others to present their own platforms, and entrepreneurship is based on their own determinati
Original transfer: http://blog.csdn.net/zhoulianghao166/article/details/5146489
It's better to be a startup wolf, not a working dog
When talking about entrepreneurship, many of my friends are in conflict with each other. They both have the passion for entrepreneurship and worry about the miserable fate after failure! So after thinking for a long time, I finally decided to wait and look at it again. In January, after January, one year passed after ano
Why should we build a lan? That is, to share resources, since resources need to be shared, resources will not be too small. How can we manage these resources on different machines? Domain and workgroup are two different network resource management modes in such an environment. So what is a domain and a working group? What are their differences?
"Free" Working Group
After graduation, are you working? Or start your own business? Maybe everyone has the dream of starting a business as a boss! However, you know how hard it is to start a business? If you have not yet formed a theoretical concept for individual startups, I suggest you: Don't be impulsive! Let's take a look at the classic difference between working and entrepreneurship!1.
Why should we build a lan? That is, to share resources, since resources need to be shared, resources will not be too small. How can we manage these resources on different machines? Domain and workgroup are two different network resource management modes in such an environment. So what is a domain and a working group? What are their differences?
"Free" Working Group
Wor
Advanced Network Management Skills: What is the difference between Working Groups and domains in a lan? That is, to share resources, since resources need to be shared, resources will not be too small. How can we manage these resources on different machines? Domain and workgroup are two different network resource management modes in such an environment. So what is a domain and a working group? What are their
What is the working mode of apache? My personal understanding: apache's working mode is the memory allocation and usage of processes and threads during apache runtime. For example, if a user accesses apache, apache enables a process... what is the working mode of apache?
My personal understanding: apache's working mod
1. Part-time work depends on your own ability to eat, and entrepreneurship depends on your own wisdom and thinking;2. Working is based on the ability of others to present their own platforms, and entrepreneurship is based on their own determination and vision to create a platform;3. Working as a part-time employee is a good job, and entrepreneurship is a part of system operation;4.
Original http://www.cnblogs.com/awpatp/archive/2010/01/26/1656651.htmlDifference between Task Manager and Performance Monitor (Working Set and private bytes)
Windows Server 2003:
In Performance Monitor, private bytes and virtual bytes can be used to measure program memory usage. in Task Manager, there are also memory usage and VM Size. however, after careful comparison, we will find that the memory usage does not correspond to private bytes, And the V
In "parsing Windows 2000/XP physical memory management", I introduced in detail the concept of page frame database, in terms of physical memory organization and management, every page system saves a structure in the page box database for tracking page status. However, the page-frame database does not really coordinate the use of physical memory. We know that Windows is a multi-task operating system, while physical memory is a relatively poor resource. To avoid a process (or system) from consumin
First, simply connect to the working folder under Windows Server 2012Working folders experienced by information workersTo demonstrate how it works, here's an example where information worker Joe can work from any device and may use working folders to separate his work data from personal data: When Joe saves a document in the work Folders directory on his working
The set of pages currently used by a process is called its working set ). If the entire working set is in the memory, running the process before entering the next stage will not cause many page faults. If the memory is too small to accommodate the entire working set, running the process will cause a large number of page faults and the speed will be very slow. A p
Apache subversion (also referred to as SVN) is an open source version control system. although it's widely used for managing source code files, it can be actually be used to manage any type of file: images, videos and Word documents can all be managed with subversion. at its core, subversion allows teams to manage and coordinate the changes being made to a collection of files.
Subversion consists of two major elements. the first is the repository, which is a server where all your files are sto
Configure the Windows Server R2 working folder for BYOD synchronizationThe working folder is a new feature in Windows Server R2 that allows users to synchronize work data across multiple devices. Working folders enable IT administrators to provide them with the ability to synchronize work data on all their devices, regardless of where the information worker is lo
Private bytes and virtual bytes can be used in Performance Monitor.ProgramMemory usage. in Task Manager, there are also memory usage and VM Size. however, after careful comparison, we will find that the memory usage does not correspond to private bytes, And the VM Size does not correspond to virtual bytes.
In fact,The memory usage in Task Manager corresponds to the working set, The VM Size corresponds to private bytes.So if you use task manager t
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