iphone 8 vs iphone 6s

1. added a file named "time". The result of running the compilation is clear and then compiled. The pre-compilation Header error is reported. Fuck! It took my grandmother three hours to figure out that it was in conflict with the system's header file. 2. Use IB to add a uipickerview control. The result is that there is no data. It takes only half a day to find that data Initialization is useless in viewdidload. Put it in the init methods. The behavior of this item is different from that of uita

Localresizeimg.js 90 degrees to upload pictures under the iphone, how to solve Reply content: Localresizeimg.js 90 degrees to upload pictures under the iphone, how to solve This is going to be in this js source to do picture rotation processing var angle = '; This.on (' Change ', function () {var file = This.files[0]; var URL = window. URL | | Webkiturl; var blob = url.create

During iPhone development, if you encounter loading big data or network communication problems, you need to complete these tasks in the background thread. In addition to nsthread, the iPhone also provides a GCD mechanism to help developers implement multi-threaded development. Compared with nsthread, gcd is more efficient and easier to develop. The basis of GCD is dispatch queue and block. 1. blo

1, "/applications"installation directory for common software2. "/private/var/mobile/media/iphone Video Recorder"Video File storage Directory3, "/private/var/mobile/media/dcim"Camera Photo File storage Directory4, "/private/var/mobile/media/itunes_control/music"itunes uploaded multimedia files (such as MP3, MP4, etc.) storage directory, the file has not been modified, but the file name has been modified, directly downloaded to the computer can read.5,

1, in the mobile phone we open the iphone desktop, and then click the "Settings--personal hotspot" as shown in the following image. 2, then we open the "personal hotspot" and then we put "Wireless LAN" click in, and then set the password here to enter the password, 8-bit can be. As shown in the following illustration: 3, so your iphone is a WiFi hotspot, we

I. Cause IPhone keyboards, especially numeric keyboards, often cannot meetProgram. The most typical example is to add a "." On the keyboard to enter the decimal point. According to the official idea of installing the iPhone SDK, if you want to use the decimal keyboard, you have to use the number and symbol keyboard, but there are no keys that are small and there are too many buttons that are not needed.

cellForRowAtIndexPath:(NSIndexPath *)indexPath { 03. 04. static NSString *CellIdentifier = @ "Cell" ; 05. 06. UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; 07. if (cell == nil) { 08. cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:CellIdentifier] autorelease]; 09. } 10. 11. // Set up the cell... 12. cell.text = @ "Text" ; 13. return cell; 14. } 12. Run the application and you will see 13. Next step is to create an array and displ

The following several times on the quartz 2D blog are reproduced from: http://www.cocoachina.com/bbs/u.php? Action = topics uid = 38018 For the code implementation of this chapter's blog, you can refer to this blog: IOS uses cgcontextref to draw various images (text, circle, straight line, arc, rectangle, slice, elliptic, triangle, rounded rectangle, besell curve, and image) Apple official website English Introduction: https://developer.apple.com/library/mac/documentation/GraphicsImaging/Concep

Reprinted IPhone Push Service-Apple push notification service(1) You need to create App ID without. * In the program portal (that means one cert for one app)(2) generate a Certificate Signing Request from your Mac's keychain and save to disk(3) Upload the certificatesigningrequest. certsigningrequest to the program Portal(4) Wait for the generation of CERT (about 1 min). Download the certificate (aps_developer_identity.cer) from the program Portal(5)

AbstractThe first iPhone virus, ikee iPhone, mainly relies on SSH installed after JB, but does not change the root certificate to password-based intrusion, this article describes how to change the root password. IntroductionUse environment: iPhone 3gs + OS 3.0.1 Step 1:Open rock (you can also use cydia) Step 2:Search leterminal Step 3:Select letermi

the certificate. Click new profile under the Development tab to configure the development certificate. (If you want to publish to the App Store, select the distribution tag) 8. Enter the development certificate configuration page In the first column, enter the name of the Certificate file, for example, testcert. The name of the generated Certificate file is suffixed with testcert. mobileprovision. In the second column, select a Certi

I would like to know which brand of iPhone 4 is better. I am very grateful to you for your guidance. Reply: 1. Erie's staff, although there was dyeing time, but after all it was a big computer manufacturer! 　　 2. seckilling everything 3. Unfortunately, Sanlu died early. 4. Geely's Volvo has been acquired, and you are still missing this point ~ 5. Jin Peng BA's voice is extraordinary 6. The price of Sanlu is cheap even though it has closed down ..

IPhone enterprise application instance Analysis 2: Program processing process The general diagram of the program processing process is 5-4.(1) A pop-up screen is displayed when the user starts the program.(2) The main menu of the system is displayed, including "My documents", "department documents", "Document Search", and "statistical graph query ".(3) After selecting "My documents", the list of documents to be processed is displayed.(4) The "Departme

IntroductionIn iPhone program development, memory leakage (Memory leakage) is a very prone situation because the iPhone must manage its own memory.Nowadays, developers are mostly used to it. . Net, Java, and other development languages with a garbage collection mechanism. Therefore, you may not be used to releasing the internal storage. BackgroundI have been using xcode for

1. If you want to process an image in a program (to obtain a part of an image), you can use the following code: UIImage * image = [UIImage imageNamed: filename]; CGImageRef imageRef = image. CGImage; CGRect rect = CGRectMake (origin. x, origin. y, size. width, size. height ); CGImageRef imageRefRect = CGImageCreateWithImageInRect (imageRef, rect ); UIImage * imageRect = [[UIImage alloc] initWithCGImage: imageRefRect]; 2. code used to determine whether the device is an

At present, there are more iPhone applications in China, but if there are already some websites in China, this year's trend is estimated It is to turn the information of the main station into an iPhone. I feel that whoever did this first will take the lead. below I found a good iPhone application, Friends who have been to pconoline should think this webs

When you're in class or out preaching, you often need to show the app on the projector, or even record the screen (which seems to be more needed for a game demo). have been looking for ways to use the most is by installing a airplay Server software on your Mac, and then projecting the screen onto your computer using the Airplay feature of iOS. But since Apple does not provide such capabilities directly on the MAC, it can only download software such as AirServer. They are generally not cheap, and

belongs to the extraction Cydia server for not being available. 　　(5) is the SHSH related to the jailbreak? Shsh had nothing to do with the escape. For example: Apple has turned off iOS6.1.2 verification, the IPhone 5 6.1.2 (not jailbreak) whether it is necessary to escape SHSH?Answer: Can escape, do not need SHSH. 　　IPhone iPad ITouch backup iOS7 SHSH Tutorial 　　One, "pp Assistant (Win) versio

all our five fingerprints. When the fingerprint is stored, the five fingers of one hand are scanned in turn until the recognition is complete, so that a storage slot can be placed with five fingerprints. It is important to note that this play is likely to be accompanied by a further reduction in the recognition rate. Here's some tips for using Touch ID fingerprints. 1, please use the following steps to register fingerprints: Make sure the main screen button and your finger are clean and d