what is maas360 for ios

[IOS development-18] What is the relationship between UIWindow and UIView? Isn't it important to upgrade UIWindow with xcode? Uiviewuiwindow (1) because the xcode version is different, the latest xcode does not provide blank documents that can be created at will in our old version (instead, it

throws an exception.This macro validates a parameter for an objective-c method. Simply provide the parameter as the condition argument. The macro evaluates the parameter and, if it is false, it logs a error message that includes the parameter and then raise s an exception.If you define a preprocessing macro, the Ns_block_assertions assertion is forbidden. All the breakpoint macros return void.Assertions

What is the difference between ASI and AFN?1. Performance (Focus)* ASI based on the underlying cfnetwork framework* AFN based on nsurlconnection* Operating performance: ASI > ASN2. Processing server data1> AFN: Automatic parsing based on data returned by the server* The server returns JSON data, automatically converted to nsdictionary or Nsarray* The server returns XML data and

throws an exception.This macro validates a parameter for an objective-c method. Simply provide the parameter as the condition argument. The macro evaluates the parameter and, if it is false, it logs a error message that includes the parameter and then raise s an exception.If you define a preprocessing macro, the Ns_block_assertions assertion is forbidden. All the breakpoint macros return void.Assertions

What is the difference between @ synthesize and @ dynamic in iOS? synthesizedynamic OC object-c in order to make java developers accustomed to using the. operation, you can use the @ property variable in the interface class to declare the attribute. However. the attribute declared in h must be in. use @ synthesize or @ dynamic in m (it

1. Thread synchronization is multiple threads accessing the same resource at the same time, waiting for resource access to end, wasting time, inefficient, serial execution of tasksThread Async: Access resources while idle wait while accessing other resources, implement multithreading mechanism, execute task 1.2.3 mode in parallelUse GCD's primary queue. Use Nsoperationqueue to set the maximum number of threads (concurrency) to 1 1.1.1How

First, create the PCH file. Click Command+n. such as OperationNaming conventions are generally: project name-prefixStep TwoOK, you have finished making the PCH file here. Then you can use it.PCH files generally write data that can be used globally.Like what:The width and color of the screen (no punctuation behind the macro)#define RGB (r,g,b,a) [Uicolor colorwithred: (r/255.0) Green: (g/255.0) Blue: (b/255.0) Alpha: (a)] #define SCREEN_W [ UIScreen mainscreen].bounds.size.width#define Screen_h

% Android holds about 66.77% per cent of global market share, according to data released by StatCounter, the first comprehensive agency, and the second most popular is the IOS operating system, which has a market share of 18.14%. Although this data allows us to determine which two platforms have the largest number of users, it is interesting to note that the "8

What Bugs did Apple iOS 9.3 beta 4 fix? The new beta gives him the feeling that it's faster and smoother, and that the speed of opening the application seems to be improving, but there's no obvious difference in the frame-dropping problem. In addition, the Notification Center, control center are very smooth, fingerprint unlock also did not appear cotton, delay. In contrast to previous usage,

Now that the mobile device sector is almost unified by Android and iOS, smart terminals are becoming more powerful and popular, so how do we choose to face so many devices and Android and iOS?If you are a userIf you do not bad money, it is best to buy ios,iphone or ipad,

later will be detailed introduction of the way to drag, directly in the code to write. 　　 So where do we write the code? The entry here is in the root controller Viewcontroller class: 　　 This portal is similar to the OnCreate method of activity in Android, we usually initialize a view here, see the code logic is not very complex, but there are many hidden knowle

of multithreading development? Are there several ways to implement multithreading in iOS?There are multiple threads in a process that co-exist, each of which performs its own task, does not interfere with one another, and a thread can create or revoke other threads.Allow a process to perform many tasks at the same time. This reduces the wait time and improves the efficiency of the process. However, multithreading consumes resources and causes the ent

Obj-c in the eyes of qt/c++ developersFor the first time we defined iOS apps, I had to learn objective-c related grammar and knowledge for developers from Qt/c++.To make it easier for readers to understand the content of this blog, I'll describe a lot of what I've learned. This will be many other brain dumps rather than a single tutorialSo I still hope it will be very helpful for you, I will first write the

machine, no selling point.Just for most use, WinXP has been a perfect companion for the PC, that's why Microsoft has been crying, why it was designed so well, broken its own financial path, and begged users to install WIN10 no one installed.I now use the book preinstalled Win8, I do not love to use, want to return Win7, but E550 this series you know, and the system bound tight, some trouble. In fact, the office. The best is WinXP.And for mobile phone

Keep a record of what I learned from the moment-iOS development engineers and ios development engineers As an iOS engineer, there is also a reason to write a blog. First of all, this idea (the idea of writing a blog) is also beca

Lead: The evolution of the architecture is to serve the continuous development of the business, the architecture can not be separated from the business, this is the most basic starting point. 58 City IOS clients as business volume and user volume continue to grow, architecture is also constantly challenged,

results of a year, has not started to vote on the heard the market is not good. I thought about how bad I have at least more than a year's experience, a little bit of experience to talk about the developers can be divided into shallow water depth. Then I hung up for three days, on the hook to vote on 30 resumes, 51 on the routed sealed resume ... I think there are at least 20 telephones. Results three days later received three calls, a asked Durt sma

In the IOS development environment, what are certificates and authorization files ?, Ios authorization I. Member Introduction1. Certification (certificate)Certificates are used to authenticate computer development qualifications. Each developer account has one set, which can be divided into two types:1) Developer Certification (Development Certificate)Install on

Let's give you a description of the problem. The server side does not support emoji expressions, so the client cannot include emoji expressions when uploading user input. Solution Before the client sends the request, determines whether the user input contains an expression and, if it contains an expression, prompts the user to re-enter it. The key to this process is to determine whether the string contains emoji expressions. To determine whether a

Reference Link: http://stackoverflow.com/a/4080720 When the IOS app runs for the first time, if you use some sensitive features (such as visiting albums, sending tweets, etc.), a prompt box will pop up asking if the user is allowed. Once the user has chosen to allow or not, there seems to be no regrets after the pill, because even if you reload the app, this box will not pop.