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detailinfolabelx=Cgrectgetmidx (questimageview.frame); CGFloat DETAILINFOLABELW=detailinfoview.width-detailinfolabelx*2; UILabel* Detailinfolabel=[[uilabel alloc] init]; detailinfolabel.numberoflines=0; Detailinfolabel.text=@"Cheerleader, La la la la la

Document directory Direction Method Loop Speed Latency Align Background Color Area Blank (margins) Moving text (marquee) Basic syntax La la, I will move it! Text movement attribute settings Direction La la, I move from right to left!

In the previous article, we mentioned list. append (x) for list operations, that is, to append an element x to a known list. Today, we will continue to discuss the list. List operations Merge list List. append (x) is mentioned in the list operation in "a large list (1)", that is, an element x is appended to a known list. In addition to appending an element to the list, the two lists can also be merged, or a list can be appended to another list. Follow the previous conventions to see the descrip

Like DOM ,theBOM is actually made up of a lot of APIs . But for the BOM , the most painful is not to remember the API, but obviously remember this API, but did not consider its compatibility. In the previous article, I talked aboutOffsetseries of attributes, his wide height was made by theBorder,paddingand thewidthcomposed of. And it'soffsetleftand theOffsetTopis relative to theoffsetParentthe distance. Here'soffsetParentrefers to the child box has a positioned parent element, and if the child b

I want to learn more about Python and list (2 ). List operations Merge list List. append (x) is mentioned in the list operation in "a large list (1)", that is, an element x is appended to a known list. In addition to appending an element to the list, the two lists can also be merged, or a list can be appended to another list. Follow the previous conventions to see the description in the official document: List. extend (L)Extend the list by appending all the items in the given list; equivalent to

, update, and insert operations on the locked table: Mysql> Select Film_id,title from film_text where film_id = 1001; USER2: Mysql> Select Film_id,title from film_text where film_id = 1001; WaitUSER1:Release Lock: mysql> unlock tables; USER2:To obtain the lock, the query returns:Shared lock experiment of INNODB storage engine user1:mysql> Set autocommit = 0; user2:mysql> Set autocommit = 0; USER1:The current session actor_id=178 record plus share mode's shared lock: Mysql> Select Actor_id,first_

lock:Mysql> Update actor Set last_name = ' MONROE T ' where actor_id = 178;WaitUSER2:other sessions also update the record, which causes a deadlock to exit:Mysql> Update actor Set last_name = ' MONROE T ' where actor_id = 178;ERROR 1213 (40001): Deadlock found when trying to get lock; Try restarting transactionUSER1:After the lock is acquired, it can be successfully updated:Mysql> Update actor Set last_nam

information.Scene Reproduction:Client: La LA, no new information (Request)Service side: No (Response)Client: La LA, no new information (Request)Service side: No. (Response)Client: La LA, no new information (Request)Service side:

-WebSocket-Key . Server: OK, OK, I'll show you my ID card to prove it.Later, the Sec-WebSocket-Protocol protocol that represents the end-use.Now that HTTP has done all of its work, the next step is to follow the WebSocket protocol completely. The specific agreement is not elaborated here.—————— Technical Analysis section is complete ——————You've been so damn websocket for so long, what the hell are you going to do with that, http long poll or ajax轮询 not all of them can deliver real-time informat

you my ID card to prove it.Later, the Sec-WebSocket-Protocol protocol that represents the end-use.Now that HTTP has done all of its work, the next step is to follow the WebSocket protocol completely. The specific agreement is not elaborated here.—————— Technical Analysis section is complete ——————You've been so damn websocket for so long, what the hell are you going to do with that, http long poll or ajax轮询 not all of them can deliver real-time information?Well, young man, let's talk about WebS

prove it.Later, the Sec-WebSocket-Protocol protocol that represents the end-use.Now that HTTP has done all of its work, the next step is to follow the WebSocket protocol completely. The specific agreement is not elaborated here.—————— Technical Analysis section is complete ——————You've been so damn websocket for so long, what the hell are you going to do with that, http long poll or ajax轮询 not all of them can deliver real-time information?Well, young man, let's talk about WebSocket. Here to get