refactoring databases

Refactoring)The term was initially defined by Martin Fowler and Kent Beck. It is a change that makes the internal structure of the software easier to understand, making the software easier to change without changing the visible behavior of the software... It is a controlled way to sort out code and minimize the chance of bugs. The reconstruction results refer to the shortcut method, removing duplicate code and dead code, so that the design and logic a

, reason:errno:111 Connection-refused: 42.638+0800i Network Reconnect 127.0.0.1:27017 (127.0.0.1) failed failed ' t connect to server couldn ( 127.0.0.1), connection attempt failed 2.2.2 Backup, delete, rebuild data directory Backup 10.192.203.202:27017 's data directory, omitted here After the backup is complete, delete and rebuild the directory. Rm-rf/data/mongo/data Mkdir/data/mongo/data 2.2.3 Start the database To start the 10.192.203.202:27017 process: /USR/LOCAL/MONGODB/BIN/MONG

+0800 W network failed to connect to 127.0.0.1:27017, reason:errno:111 Connection refused 2016-11-07t15:14:42.638+0800i network Reconnect 127.0.0.1:27017 (127.0.0.1) failed failed couldn ' t connect to server 127.0.0.1:27017 (127.0.0.1), connection attempt Failed 2.2.2 Backup, delete, rebuild data directory Backup 10.192.203.202:27017 's data directory, omitted here After the backup is complete, delete and rebuild the directory. Rm-rf/data/mongo/data Mkdir/data/mongo/data 2.2.3 Start the da

ObjectiveSince this blog post and code open source, has been a lot of people's attention. There are not many, anyway, in my unexpected. including several Daniel help me to do subscription number promotion, really thank them. In addition, there are a few experts to me to mention some architectural problems. In fact, the project itself has not done what architecture design. Just simply split the layering. But after careful deliberation I decided to make some adjustments to the project structure, a

This article uses the automatic refactoring function of eclipse to reconstruct a program instance. The purpose is to explore how much Eclipse automatic Refactoring can assist in refactoring. The program instance uses the example in Refactoring: Improving the Design of Existing Code.The automatic

2,8 ReadingChapter One first caseUsed in this case,Methods of extraction (extract method), methods of Moving (Move method), elimination of temporary variables, variable and function name refactoring, switch type refactoring (replace type code with State/strategy), and so on.Refactoring makes code functionality more reusable, and is biased against maintenance and modification.Attention:The properties of the

This article is in the study summary, welcome reprint but please specify Source: http://blog.csdn.net/pistolove/article/details/42083495 In the refactoring note-the bad taste of the code (above) describes 11 of the 22 bad flavors, this article will introduce the remaining 11 bad flavors. The reason why it is divided into two articles, is because an article introduced 22 methods appear too long, worried that the reader is difficult to adhere to the re

NowSimplify and Restructure Your CodeMaking it Easier to Read and Less Costly to Maintain Refactor! By Developer Express fuses a language-independent state-of-the-art code shaping engine with a revolutionary and highly-optimized user experience. Unlike other refactoring solutions that target the system effecect, Refactor! Is designed to help all developers craft and sculpt their code with the speed and efficiency needed to meet their line of business

Refactoring, is definitely one of the most important things in the process of writing a program. Before writing the program we can not understand all the requirements beforehand, the design will certainly have a poorly considered place, and as the project needs change, it is possible that the original design has been changed beyond recognition. What's more, we seldom have the opportunity to complete a project from start to finish, basically to take ov

Types of software Evolution Software evolution is like biological evolution, some mutations are beneficial to species, and some are harmful. The key to differentiate the type of software evolution is whether the quality of the program is increased or decreased in this process. The second is that this evolution is the result of the process of the construction of the show sea, or the maintenance process of modification. Introduction to Refactoring The

I got my first job in life 4 months ago--"refactoring engineers." I was often asked, "What is this position?" What technology is needed for refactoring? "My answer was:" Refactoring is the front end. "However, after this 4-month job, I found that my answer was probably not so correct." So, as a refactoring engineer who

Refactoring to, towards, and away from Pattern (Implementation mode, trend mode, and removal mode through reconstruction) Reconstruction and Model 1 ~ Chapter 3 Post reading 1. Over-Design and under-design are equally undesirable The so-called excessive design, Gu mingyu isCodeMore flexibility and complexity than needed. This problem won't happen to people without project responsibility, because they won't carefully desi

Directory "SSH Advanced path" Step by step refactoring container implementation Spring Framework-starting with a simple container (eight) "SSH Advanced path" Step by step refactoring container to implement spring framework--two schemes to solve the "intrusive" management of containers for components--active lookup and control inversion (ix) "SSH Advanced path" Step by step

Directory:"SSH advanced Route" Struts Fundamentals + Implementation Simple Login (ii)SSH Step-by-step refactoring MVC implementation struts framework-starting with a simple MVC (iii)"SSH Advanced path" Step by step refactoring MVC implementation Struts framework-package business logic and jump Path (iv)"SSH Advanced path" Step by step refactoring MVC to implement

Erich mentioned in the preface of refactoring:Code is read and modified much more times than it is written. The key to keeping code readable and easy to modify is refactoring. What is the purpose of refactoring? The second chapter of the book has a special section for explanation. However, the first chapter presents a simple case to show a relatively complete reconstruction process. In this case, there are

I have just read Xiaolu's understanding of system restructuring, and I am excited to talk about my one-sided understanding of restructuring. Tip Don't think of refactoring when you need new features or bugs in the original program. When Will reconstruction start? This is the first question to consider. Is refactoring started when a function is not completed? No. Are all functions ready for reconstructi

System reconfiguration requires us to modify every step of the code, can not change the external behavior of the software, so in the system refactoring all the methods, is a kind of code equivalent transformation. The process of refactoring is like doing a math problem, step-by-step, the equivalent transformation of the formula. After a series of equal transformations, the final results are different in for

The previous article has already elaborated on the ideas and methods of reconstruction. Here we will mainly discuss the reconstruction plan mentioned in the next section. First, understand an old project to be restructured Project name A A key project of a company has been officially launched and run for several years. The company's business is distributed all over the world and many countries have offices or R D departments. AndWith the continuous development of the co

This article is a computer Quality Pre-sale recommendation >>>>refactoring: Improving the design of existing codeWorld-class software development master Martin Fowler Immortal Classics, the general programmer advanced to the programmer must cultivate the secretEditor's recommendationthe immortal classics of software developmentA vivid exposition of the principles of refactoring and concrete practicesGeneral

Directory:"SSH advanced Route" Struts Fundamentals + Implementation Simple Login (ii)SSH Step-by-step refactoring MVC implementation struts framework-starting with a simple MVC (iii)"SSH Advanced path" Step by step refactoring MVC implementation Struts framework-package business logic and jump Path (iv)"SSH Advanced path" Step by step refactoring MVC to implement