telecommuting advantages and disadvantages

Absolute Positioning centering (Absolute centering) technology We often use margin:0 auto to achieve horizontal centering, and always think that margin:auto can not be vertically centered ... In fact, implementing vertical centering requires only declaring the element height and the following CSS: . absolute-center { margin:auto; Position:absolute; top:0; left:0; bottom:0; right:0;} Advantages: 1. Support cross-browser, including Ie8-ie10. 2. No a

As another force of Microsoft in the. NET field, Silverlight has received much attention since its launch. I personally think it has the following advantages and disadvantages: Advantages: Uidesign andCodeSeparated. Now developers don't have to worry about changing the interface. The uidesigner can directly design the interface for development. That is to say,

. The advantages of listing stored procedures are as follows: 1. High execution efficiency. 2. Good security performance. 3. It is very easy to implement requirements for some occasions. Disadvantages: 1. Poor maintainability. 2. Poor readability. When we are modifyingCodeWe can search all through vs to confirm that unnecessary code can be deleted, but the stored procedure is not that easy. O

Advantages and disadvantages of Inheritance Advantages New implementations are easy, because most of them are inherited. It is easy to modify and extend existing implementations. DisadvantagesThe encapsulation is broken because the basic class exposes implementation details to the subclass.White box reuse, because the internal details of the base class are

Since I have not been familiar with Oracle, I have not answered this question. I have checked the information and summarized it as follows. I have the opportunity to study oracle in the future. I don't know how the written test is. I hope God didn't go to WC. Advantages and disadvantages of hot backup and cold backupAdvantages of Hot Backup: 1. Data can be backed up at the tablespace or data file level. T

structure, everything is so simple. A few lines of code can start running, and a few lines of code can be used to output it.It is a model of "Boulevard to Jane".Simple configuration, all the configuration using PHP script configuration, execution efficiency, with basic routing capabilities, to a certain degree of routing, with the initial layout function, to create a certain degree of interface appearance; database layer encapsulation is good, with basic MVC function. Fast and concise, not much

. AdvantagesWe learned from the front that the CSS sprites why the sudden run of fire, with the ability to improve the performance of the site. Obviously, this is one of its great advantages. The large number of images under normal production is now merged into a single image, greatly reducing the number of HTTP connections. The number of HTTP connections has a significant impact on the load performance of the Web site. DisadvantagesAs for maintai

speed, very cool. Hibernate's disadvantage is that the learning threshold is not low, to master the threshold is higher, and how to design O/R mapping, how to balance between performance and object model, and how to use good hibernate needs your experience and ability are very strong. Ibatis is simple to learn, which provides automatic object binding for database queries, and a good experience in SQL usage, perfect for projects that don't have that high object model requirement. Iba

As we all know, in the history of the development of Microsoft's programming language, ASP. NET is an important stage of development, it has the advantages of rapid development, clear level, but the biggest drawback is that it is gradually discarded because the page load viewstate is too large, as shown in, only a simple detail page loaded viewstate there are so many, it is conceivable that the page loading efficiency will be very slow, so Microsoft i

programmatically with transaction semantics in bean code. In both cases, the container manages the transaction and determines whether the given transaction should be committed. 5) based on the component design. Entity beans are designed to contain components that are configured with deployment descriptors and can be deployed to any Java EE application Server without changing any code. In summary, the advantage of entity beans is that they can benefit from standardization and industry best prac

The application scenario of Java reflection mechanism and its advantages and disadvantages What is the applicable scene of reflection? 1). The Java reflection mechanism is useful when it comes to doing the basic framework, saying that the reflection mechanism is the cornerstone of many Java frameworks . And the general application level is seldom used, but this kind of thing, now many open source framework

Responsive web design means that the page design should respond and adjust according to the device environment (System platform, screen size), that is, responsive web design is a technology that allows Web sites to adapt to any device. Any device can be a smartphone, tablet, TV, PC Monitor, iphone and Android phone, including a horizontal, vertical screen. In response to the background of the design is due to the user's popularity of smartphones, and people on the mobile phone side of the user e

For many stationmaster, in addition to the familiar WP and zblog outside, Emlog blog also slowly entered the people's vision, because itself enough simple, so the development is very fast. Today take oneself these few years to emlog the use of experience to sum up the advantages and disadvantages of its station. 　　The advantage aspect can be divided into several points roughly : First, small and simple e

Session 309 Introducing Interface builder Interface. The basic idea is to upgrade the original xib, introduce a container for managing multiple Xib files, and this container can jump through the interface between the Xib and drag settings. And this container is what Apple calls the storyboard. The following image is a screenshot of a storyboard. Advantages Overall, storyboard has the following benefits: You can easily comb out the call relationships

Tags: LAN complete ACE data table uniqueness base data Index improvedWhy do you create an index? This is because creating an index can greatly improve the performance of the system.First, by creating a unique index, you can guarantee the uniqueness of each row of data in a database table.Second, it can greatly speed up the retrieval of data, which is the main reason for creating indexes.Thirdly, the connection between tables and tables can be accelerated, particularly in terms of achieving refer

1. star topology A star topology is composed of a central node and a site connected to a central node through a point-to-point communication link. The star topology has the following advantages: (1) simple control. (2) Easy Fault Diagnosis and isolation. (3) convenient services. Disadvantages of the star topology: (1) Considerable cable length and installation workload. (2) the burden on the central node is

Now many of our friends will store the session in the cookie when performing website security verification, so that we can encrypt some data, so what are their advantages and disadvantages and those security problems? Next, let's make a comparison. Now many of our friends will store the session in the cookie when performing website security verification, so that we can encrypt some data, so what are their

Disadvantages: the disadvantage of java is that it is too heavy, the learning curve is too steep, the performance is really not high, there are too few Chinese materials, mainly in French, followed by English. In addition, due to the early year, the syntax is relatively old (that is why laravel is good, new year, and many new technologies are used ). The advantage is that there are enough ready-made components, which are massive and open-source, and

Discussion on advantages and disadvantages of Cordova and environment deploymentSuhuajieBrief introductionCordova is a fast-developing platform for creating cross-platform mobile applications using HTML, CSS, and JavaScript. It enables developers to take advantage of the core features of smartphones such as the iphone, Android, Palm, Symbian, WP7, Bada, and BlackBerry-including geolocation, accelerators, co

This article describes the advantages and disadvantages of three Linux Server monitoring technologies, including SNMP proxy (client), SSH, and private proxy (client) installation. The powerful functions and beautiful interfaces of linux make many enterprises use linux as servers. The following describes the advantages and dis