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empty set of protocols.Anyobject is a protocol, and any is a 0 protocol. Finally look at a definition of Anyclass: Typealias Anyclass = Anyobject.type It's really just an alias.Any is also an alias and an alias for protocol1 Protocol lyprotocol1{2 //some code3 }4 classlynsobject1:nsobject,lyprotocol1{5 //some code6 }7 8 var ly1:any9var ly2:protocolTen OneTypealias Any1 = protocol Avar k:protocol - var k1:nsobjectprotocol - thevar sss1:protocolNSObject () -var sss2:nsobjectpro

, _cmd);}- (void) Setbx_borderwidth: (cgfloat) bx_borderwidth{objc_setassociatedobject (self, @selector (bx_borderwidth), @ (bx_ borderWidth), objc_association_retain_nonatomic); Self.layer.borderWidth=bx_borderwidth;}-(cgfloat) bx_borderwidth{return[Objc_getassociatedobject (Self, _cmd) floatvalue];}- (void) Setbx_cornerradius: (cgfloat) bx_cornerradius{objc_setassociatedobject (self, @selector (Bx_cornerradius), @ (BX _cornerradius), objc_association_retain_nonatomic); Self.layer.cornerR

This article brings you the content is about summarizing Java code Writing four skills, there is a certain reference value, the need for friends can refer to, I hope to help you. Our usual programming task is to apply the same technology suite to different projects, and for the most part, these technologies can meet the goals. However, some projects may require some special techniques, so engineers have to

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Whether you have upgraded to the latest Vista system or stayed in the XP camp, our list of tips can help you speed up your computer's processing speed, improve your PC's security, and even improve your computer's stylish nature, believe me! Objectively speaking, the performance of the Windows operating system is general, if you do not try to "dig" deeply, or change it according to your will, then you can never let it play a real potential. Whether y

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_____________Transferred from: Beyondvincent's Blog_____________When developing an iOS application, it is critical that your program has good performance. This is also what users expect, if your program runs slow or slow, will incur the user's bad comment.However, due to the limitations of iOS devices, it is sometimes difficult to get good performance. There are a lot of things to keep in mind during the development process, and it's easy to forget about the performance impact.That's why I'm wri

Every day for the site to update a few articles is the webmaster will do things, but do you know that you update the article useful? is Baidu included in the article? Before I do not know how to update the article, every day is to write articles and then updated to the website, the long-term waste of the actual is quite a lot, But the site is not added to the col

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Get_post () (Get an article)the Get_post () function can query the information of an article based on the ID, and return the current article in the loop. Usage Get_post ($post, $output, $filter); Parameters $id (Integer | Object) (optional) The article ID or articl