2014/10/15 下午 10:16:00
iphone Programming Glossary: worryingWhat is resident and dirty memory of iOS? http://stackoverflow.com/questions/13437365/what-is-resident-and-dirty-memory-of-ios At any time this is always true virtual memory clean memory dirty memory resident memory dirty memory If you are worrying about the physical memory your App is taking which is the key reason your App is terminated due to low memory you should..
Core Data Migration Across Multiple Version Upgrades http://stackoverflow.com/questions/1557344/core-data-migration-across-multiple-version-upgrades progressively iterating through models which would allow one to create mappings from model n to model n 1 while not worrying about the combinatorial explosion for creating mappings between all pairings of models. This may result in a slower migration..
MFMailComposeViewController image orientation http://stackoverflow.com/questions/20204495/mfmailcomposeviewcontroller-image-orientation not deal with its loss on the far end when you e mail the image. There 䏭 a better way than all this messing about and worrying about the orientation property. I found some code here that that I 脎e integrated into my program. This code will physically..
MonoTouch CoreGraphics PDF memory issues with CGPDFDocument and CGPDFPage http://stackoverflow.com/questions/2289174/monotouch-coregraphics-pdf-memory-issues-with-cgpdfdocument-and-cgpdfpage and still the memory consumption increases. Neither apps crash with the release related error but it's really worrying that the mem usage is so drasticly larger in the MonoTouch app... I figure that my problem lies somewhere else but I got..
Don't worry about `retainCount`? Really? http://stackoverflow.com/questions/3354724/dont-worry-about-retaincount-really instances of course. iphone objective c memory management share improve this question You're not supposed to be worrying about retainCount because it's often a misleading implementation detail of the reference counting system. What you're supposed..
decoding the CLLocationAccuracy const's http://stackoverflow.com/questions/3411629/decoding-the-cllocationaccuracy-consts question I agree with Olie that hiding the details of the algorithm is intended to protect the app developer from worrying about how location is determined. That said I believe it's still reasonable to ask the question what are the power implications..
http://stackoverflow.com/questions/5352457/cgfloat-based-math-functions handle two different versions of of your code base . Or you could just use float instead of CGFloat everywhere and not worrying about 64 bit iOS. But then you would get inconsistency with Apple's libraries and IMHO uglier code. Or you could maybe use.. or at least in a near enough future and use CGFloat together with float versions of the Unix math functions and not worrying about the future. What strategy are you using iphone share improve this question Edit So this question is no longer..
Where can I find a good example of a Core Data to-many relationship? http://stackoverflow.com/questions/5399195/where-can-i-find-a-good-example-of-a-core-data-to-many-relationship
http://stackoverflow.com/questions/6942439/objectivec-ivars-or-property and when and how should I release reset it. I find ivars I can alloc and release anytime once anywhere easily without worrying about anything..or I am missing other things here. Tnx iphone objective c ios share improve this question There seem..
How to set up CMake to build an app for the iPhone http://stackoverflow.com/questions/822404/how-to-set-up-cmake-to-build-an-app-for-the-iphone library you can build separate iPhoneOS and iPhoneSimulator libraries and easily link to the right one instead of worrying about a universal binary. Also Xcode doesn't seem to properly add resources when you build the project using CMake so I..
Transfer files between 2 iPhones over wifi? http://stackoverflow.com/questions/8637598/transfer-files-between-2-iphones-over-wifi hosts. Automatically accept incoming connections over both IPv4 and IPv6 with a single instance of this class. No more worrying about multiple sockets. Support for TLS SSL Secure your socket with ease using just a single method call. Available for..
Dispelling the UIImage imageNamed: FUD http://stackoverflow.com/questions/924740/dispelling-the-uiimage-imagenamed-fud imagenamed share improve this question tldr ImagedNamed is fine. It handles memory well. Use it and stop worrying. Edit Nov 2012 Note that this question dates from iOS 1.0 Image requirements and handling handling have moved on a lot since..
Best practices for iOS applications security http://stackoverflow.com/questions/9448632/best-practices-for-ios-applications-security say to keep honest people honest some are discussed in the various linked discussions . But don't lie awake nights worrying about how to thwart pirates. Lie awake worrying about how to amaze your customers. And always remember Apple spends more.. in the various linked discussions . But don't lie awake nights worrying about how to thwart pirates. Lie awake worrying about how to amaze your customers. And always remember Apple spends more money than most of us have ever seen in our lives..
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