homepath property meaning

website, then the meta Property=og and meta name and title tags should be assigned at the same time.+ ^# k-c6 Z4 n (E4 lThe article begins with an example of a consumer website,If you use the Meta property tag, you have to set it up in the background, otherwise, it's blank.The effect of Open Graph protocol on SEOSome people use the so-called website quality online detection, after the test results suggest

float. One, ordinary floating, no clear floating, outer container collapse: DEMO Two, left floating, Clear:both clear floating: DEMO Three, right floating, Clear:both clear floating: DEMO Four, floating around, clear:both clear floating: DEMO Five, left floating, clear left floating, left floating, not clear floating collapse: DEMO Six, right floating, clear right floating, left floating, not clear floating collapse: DEMO (Floating outer container adds a background color, if this element does n

The role of @property is to define properties and declare Getter,setter methods. ( Note: property is not a variable ) The role of @synthesize is to implement attributes, such as the Getter,setter method.In the case of declaring a property, if you override the Setter,getter method, you need to define the unrecognized variable in @synthesize and use the accessor me

variable does not need to be strongly referenced, use assign and weak can, for example some delegate, otherwise use strongThe base type can only use Assign,assigin for non-OC objects, whereas weak must be used for OC objectsblock and weak differences__block can be used in either ARC or MRC mode, can be decorated with objects, and can also be decorated with basic data types.__weak can only be used in Arc mode, can only be decorated with objects (nsstring), and cannot be decorated with basic data

Using Get,set can make the class definition more canonical, because, normally, if we write a custom class, his property is either public or private, but if the properties of public are to be restricted, such as a person's age does not allow negative numbers, nor is it allowed to be greater than 150, Then you are only limited to the int type is not enough. A person's name does not allow less than two characters and does not allow more than 5 characters

When using the CSS3 property, most of these identifiers are prefixed to the previous point of the browser to be recognized. Now the latest version of the browser basically support CSS3 basically do not have to write a prefix, write the prefix is to forward compatible with the old version of the browser just.-ms-transform: //-ms on behalf of IE kernel Identification code-moz-transform: -webki