the system navigation bar is hidden on the front page according to the demand, and the navigation bar is displayed on the next page, so the problem should be very simple: the first thing that comes to mind is the inversion of ViewwillAppear: and Viewwi...
turn on OCLint, it doesn t work, how to do it roughly set up as above, then build, An icon "Build Succeed " appears, and it s over. in blogs with no reference at all, Xcode posted all kinds of tips, all kinds of warning. how to deal with i...
how do I use classification to implement lazy loading attributes in inheritance? ...
-(NSString*)label{ return objc_getAssociatedObject(self, label); }...
CordovaLib UIkit UIkit.h file nit found ionic3 Project, build ios, Open tool is xcode; base SDK 11.3; when the project clicks archive, it prompts an error; if the project chooses another deployment, such as 10.3, it can be build, but archive is no...
when xcode is upgraded to 9.3 (corresponding to IOS 11.3), IPhone6 debug error: This application does not support this device s CPU type. ...
now the company uniformly uses wireless Internet access (a wireless network card is plugged into the desktop), but there is a cabin where there is no wireless signal. I have a wireless router (tp-link) on hand. Because of the problem of sharing the prin...
1 want to view the relationship class diagrams in projects written by others, such as inheritance relationships, or member variable relationships. Someone said to create a new file file-> new file-> ios- > other- > class model but I didn t find this op...
how to understand this line of code? static void * a = &a; I saw it on the source code of AFN. static void *AFHTTPRequestSerializerObserverContext = &AFHTTPRequestSerializerObserverContext; The AFURLRequestSerialization.h file is used wh...
background: according to the mycat document, try to build a mycat+MariaDB service on a Tencent Cloud. Then try to access the data with Navicat (using port 8099 of mycat) and Access denied for user test check: ----> ...
the problem is that I H5 has two pages, parent page A, child page B, A has a route to B, because put in the APP, the head is to be removed, so B does not have the above head, does not do the right arrow to return to A, the App side should be able to list...
I drag the folder containing the Xcode project onto OmniGraffle, and the following dialog box pops up automatically ...
how to compile lame3.1.0? I directly make reported that I couldn t find X841464 ....
each cell is filled with a picture, and the picture is automatically filled with cell according to the cell width and the aspect ratio of the picture question: sdwebimage celltableviewcell ...
as mentioned above, how to implement it in OC? ...
request that many news interfaces are used. After the drop-down refresh, a prompt box comes out and studies how this is not found. Does anyone know? is the yellow box that has updated 8 pieces of information for you ...
recently, I have been studying iOS APP development. I have seen some foreign introductory books and videos, all of which are taught in the form of drag-and-drop + code. I feel that the acceptance is OK. But I asked my friends who are doing iOS developer...
although I read the official document, my actual operation is not at all as the document says Note: use [MagicalRecord setupAutoMigratingCoreDataStack]; initialize 1. The official document mainly gives a simple modification while adding Model Version c...
what s the difference between NSStringFromClass (self) and NSStringFromClass ([self class])? ...
do hybrid development, installed xcode simulator, but now can not debug the web page. I checked on the Internet and found that there is no web checker option in the advanced options of the simulator. My colleague s computer is pro s, mine is air s, a...
:HTTPS: HEALTH.123.COM 456.HTML :HTTPS: NEWS.123.COM 789.HTML :HTTPS: HEALTH.123.COM 147.HTML .... SQL HEALTH456 :MSSQL2014 :`update [newdata].[dbo].[Article] set Content=Replace(Upper(Cast(Content as nvarchar(max))), , )` ...
RT, follows the official website of element, but it is not valid to use index to do the jump. I wonder if there is any solution. I don t want to jump with router-link or . <el-row class="tac"> <el-col :span="12"> ...
web data interaction, I know two 1.form forms 2. Construct a link that contains? After clicking on the name=value, you can pass the data. now I have a table, how to pass it to the background <form method="post" action="receive.php...
use a simple java client to send a message after simulating the configuration of a kafka server, but without message storage, you can only see the error log all the time (the message is really not stored) kafka.common.KafkaException: Wrong request type...
suppose I have the following code: from django.contrib.auth.models import User us = User.objects.all() -sharp idis_active v1 = us.values("id", "is_active") -sharp ( User ): other= hehe -sharp [{"id": 1, "is_a...