PHP Code Maintenance, refactoring 4 reasons for difficulty analysis, 4 kinds of cause analysis
This paper analyzes the 4 reasons why PHP code maintenance and refactoring becomes difficult. Share to everyone for your reference, as follows:
Code maintenance, refactoring is a very unpleasant thing. The following scenarios make it difficult to maintain and refactor
connection. In the case of typical business scenarios in the financial and retail sectors, consumers used to go to stores to complete transactions through business people, and now it takes just a simple operation on the phone to get everything done. With this is the continuous transfer of business to the Internet, while the user experience with the transfer of the business system and the front, the user's perception of the enterprise service is no longer determined by the front office business
Application maintenance is a meticulous task. In addition to requiring the technical staff to be rigorous and responsible, technical personnel are also required to have high processing capabilities and work experience in various emergencies. With the establishment of ICBC's two big data centers, ICBC's core business data is concentrated in the data center, the primary branches focus on the maintenance of pe
Label: HTTP Io Ar data sp cti on C code During sap development, you often need to customize data tables. For simple data tables, you can use the sap table maintenance tool to generate maintenance code, and create custom tcode to maintain its data. The procedure is as follows: 1. Create a custom table (tcode: SE11)1. on the "delivery and maintenance" tab, set
The characteristics of high scalability and fault tolerance in large data age put forward higher requirements for operational dimension. System Management is no longer tired of installing the operating system, configuring and optimizing the parameters of the system, patching, installing software, configuring software, adding a service. In order to improve efficiency, avoid duplication of work, reduce errors, accumulate knowledge, system administrators have begun to do some local automation work.
No-disk teaching network is a teaching network which is constituted by diskless workstation. Diskless workstations are "triple-free" computers connected to the LAN (no floppy disk, no hard drive, no optical drive), and the operating system and the applications running are stored in the LAN file server.
Because of its low cost, safe and reliable, easy to manage and so on, many schools, especially the majority of rural primary and secondary schools are using Windows NT Server 4.0 Server +windows
Maintenance plan, that is, in SQL Server we can set a time rule, such as regular to back up data, like a timer, and timer similar concept, I understand, such as you want to execute an SQL statement, in a table, some data is temporary data, To clean up these temporary data every day, we can build a maintenance plan to do it.First open SQL Server Management Studio, find the management directory, there is a
Related discussion links:Long ago I want to briefly talk about: storage and maintenance of tree structure data http://expert.csdn.net/Expert/TopicView1.asp? Id = 1677669 The storage of tree structure data is as follows:Tree (ID, parentid, remark)If it is only for storage, it is undoubtedly the most economical!However, this structure is used to provide some application representations for queries based on slightly complex points.Efficiency should be s
calling methods.
Before we first understand how to modify the container for each method that calls a method, we cannot really ensure that we understand the call method, so our ability to diagnose errors is even worse. If each of these called Methods calls other modification methods in turn, the total amount of code that the maintenance programmer must read in order to understand a single method will rapidly increase, which is beyond control.
For this
The Enterprise Data center needs to improve operation and maintenance status, improve operation and maintenance level, better for business services, ITIL is certainly not the second choice, because ITIL is the best practice in operation and maintenance. But ITIL just tells you how to improve the operation and maintenance
Hdu 4037 Development Value (mathematical formula for line segment tree maintenance), hdu4037Development ValueTime Limit: 5000/3000 MS (Java/Others) Memory Limit: 65768/65768 K (Java/Others)Total Submission (s): 609 Accepted Submission (s): 118Problem DescriptionStarCraft 2 (SC2) is a famous game. More and more people fall in love with this game.
As a crazy fan of SC2, Ahua (flower fairy) play it day and night. recently, he found that the most importa
Now there are more and more users using the ADSL Broadband Network, and the maintenance of the ADSL equipment has become a problem that cannot be ignored. Only by maintaining it well can you not only save your "Broadband Journey", but also prolong your life.
Routine Maintenance
The necessary routine maintenance for ADSL equipment can not only reduce unexpected fa
often we will encounter such a situation, others do a very complex report template, we have to change, but do not know how to start, do not know where he originally wrote something ... A view of a very troublesome ...then we can use FineReport provides a data set plugin to enrich our report templates for easy maintenance. let's look at a simple example: this example is only for the template JS do maintenance
1.1 Automatic operation and maintenance introductionUnderstanding operation and maintenance automation operation and maintenance1) Traditional operation and maintenance efficiency is low, most of the work is done artificially2) Traditional operation and maintenance work is cumbersome and error-prone.3) Traditional oper
Background: Currently working in a website company, in the early 2015 Research and Development Center department reform, group reorganization, was assigned to the site platform maintenance team. The following is a summary of recent maintenance work:Personal feelings: Before also in the old club team also do online system maintenance and new product development, d
This section describes the routine maintenance management tools for routine operation and maintenance of MongoDB, including using configuration files, setting access control, Shell interaction, system monitoring and management, after daily database backup and recovery start and stop MongoDB start, you can access the Web database through the database IP address and port number. The configuration file is star
Step 1: Right-click the Start menu in the lower left corner of the desktop, in the displayed menu, click "control panel". In the displayed control panel, click "Operation Center". Then, click "maintenance". Click "open", as shown in the following figure:After entering "maintenance" in the operation center, click "Change
Combined with the operation and maintenance problems encountered in my work, this paper summarizes the common operation and maintenance problems of Linux server and the location method. The server here mainly refers to the self-developed logic server,web SRV because it usually uses a common architecture, so the problem is relatively small.The typical processing power of logical server is between 3K/S-1w/s a
Now rule the sand the most widely used devices to the number of impact crusher, sand making machine production line in P Lays an important role, but we all know that Sand are the loss of equipment, the need for regular maintenance and regular R Epair and extend the life of sand making equipment, improve work efficiency, so easy-to-wear impact sand what is the fact Ors? Here is everyone to answer. first Line Speed impact. greatest impact on operating p
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