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2014/10/15 ¤U¤Č 10:13:34
iphone Programming Glossary: rulesiPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew to the actual 3D vector x w y w z w before projection if CA follows usual 3D compute graphics rules so you could cheat by using the transform P . . Q x x' . R . S y y' . . 1 . z z' . T . U 1 w' with appropriate..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received another background it can take a little while before you really internalise the memory management rules unless you make a big point of it. Remember anything you get from an allocation function usually the..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone 1 return cell iphone image url share improve this question The API has changed the rules slightly and you dont get direct file system access to the iPhoto library any more. Instead you get..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c they were using. Assuming everyone is playing along and retaining releasing according to the rules when one piece of code retains and then releases the object any other piece of code also referencing..
http://stackoverflow.com/questions/6896029/re-sign-ipa-iphone Re sign usr bin codesign f s iPhone Distribution Certificate Name resource rules Payload Application.app ResourceRules.plist Payload Application.app Re package zip qr Application.resigned.ipa..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons of comments along the lines of using ARC is no substitute for knowing the Cocoa memory management rules. This is mostly true but it's important to understand why and why not. First if all of your code uses.. class in Cocoa today I'd probably spend no more than five minutes on the actual memory management rules and I'd probably only mention the memory management naming rules while discussing KVC naming. With ARC.. on the actual memory management rules and I'd probably only mention the memory management naming rules while discussing KVC naming. With ARC I believe you could actually become a decent beginning programmer..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew transform either. However the vector x y z w 1 will be converted to the actual 3D vector x w y w z w before projection if CA follows usual 3D compute graphics rules so you could cheat by using the transform P . . Q x x' . R . S y y' . . 1 . z z' . T . U 1 w' with appropriate P Q R S T U that maps the 4 points to the expected..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received experienced with Objective C in general. If you've come from another background it can take a little while before you really internalise the memory management rules unless you make a big point of it. Remember anything you get from an allocation function usually the static alloc method but there are a few others or a copy method..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone setText NSString stringWithFormat @ Photo d indexPath.row 1 return cell iphone image url share improve this question The API has changed the rules slightly and you dont get direct file system access to the iPhoto library any more. Instead you get asset library URL's like this. assets library asset asset.JPG..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c other parts of the system crashing because you've freed memory they were using. Assuming everyone is playing along and retaining releasing according to the rules when one piece of code retains and then releases the object any other piece of code also referencing the object will be unaffected. What can sometimes be confusing..
http://stackoverflow.com/questions/6896029/re-sign-ipa-iphone cp MyEnterprise.mobileprovision Payload Application.app embedded.mobileprovision Re sign usr bin codesign f s iPhone Distribution Certificate Name resource rules Payload Application.app ResourceRules.plist Payload Application.app Re package zip qr Application.resigned.ipa Payload Edit Removed the Entitlement part see alleys..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons soon as you can and never look back. EDIT I've seen a couple of comments along the lines of using ARC is no substitute for knowing the Cocoa memory management rules. This is mostly true but it's important to understand why and why not. First if all of your code uses ARC and you violate the Three Magic Words all over the place.. them as well so it'll never matter. If I were teaching a new class in Cocoa today I'd probably spend no more than five minutes on the actual memory management rules and I'd probably only mention the memory management naming rules while discussing KVC naming. With ARC I believe you could actually become a decent beginning programmer.. in Cocoa today I'd probably spend no more than five minutes on the actual memory management rules and I'd probably only mention the memory management naming rules while discussing KVC naming. With ARC I believe you could actually become a decent beginning programmer without learning the memory management rules at all. But..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0
Objective-C 101 (retain vs assign) NSString http://stackoverflow.com/questions/1380338/objective-c-101-retain-vs-assign-nsstring nsstring retain share improve this question There's no such thing as the scope of an object in Objective C. Scope rules have nothing to do with an object's lifetime the retain count is everything. You usually need to claim ownership of your.. is everything. You usually need to claim ownership of your instance variables. See the Objective C memory management rules . With a retain property your property setter claims ownership of the new value and relinquishes ownership of the old one...
iPhone image stretching (skew) http://stackoverflow.com/questions/2351586/iphone-image-stretching-skew z w 1 will be converted to the actual 3D vector x w y w z w before projection if CA follows usual 3D compute graphics rules so you could cheat by using the transform P . . Q x x' . R . S y y' . . 1 . z z' . T . U 1 w' with appropriate P Q R S T..
Drawing formulas with Quartz 2d http://stackoverflow.com/questions/2907045/drawing-formulas-with-quartz-2d them are laid out as such. Each operation is contained within its parent operation's layer and laid out following the rules of that particular operation. For rendering the visual elements of the operations within an equation I used Quartz to draw..
Practical rules for premature optimization [closed] http://stackoverflow.com/questions/2978460/practical-rules-for-premature-optimization rules for premature optimization closed It seems that the phrase Premature Optimization is the buzz word of the day. For some.. complexity algorithm is irrelevant What about O n vs O n n What do you consider premature optimization What practical rules do you use to consciously or unconsciously avoid it EDIT I know my description is a bit general but I'm interested in specific.. or unconsciously avoid it EDIT I know my description is a bit general but I'm interested in specific practical rules or best practices people use to avoid pre mature optimization particularly on the iphone platform . Answering this requires..
EXC_BAD_ACCESS signal received http://stackoverflow.com/questions/327082/exc-bad-access-signal-received If you've come from another background it can take a little while before you really internalise the memory management rules unless you make a big point of it. Remember anything you get from an allocation function usually the static alloc method..
display image from URL retrieved from ALAsset in iPhone http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone @ Photo d indexPath.row 1 return cell iphone image url share improve this question The API has changed the rules slightly and you dont get direct file system access to the iPhoto library any more. Instead you get asset library URL's..
Understanding reference counting with Cocoa and Objective-C http://stackoverflow.com/questions/6578/understanding-reference-counting-with-cocoa-and-objective-c you've freed memory they were using. Assuming everyone is playing along and retaining releasing according to the rules when one piece of code retains and then releases the object any other piece of code also referencing the object will be..
http://stackoverflow.com/questions/6896029/re-sign-ipa-iphone Application.app embedded.mobileprovision Re sign usr bin codesign f s iPhone Distribution Certificate Name resource rules Payload Application.app ResourceRules.plist Payload Application.app Re package zip qr Application.resigned.ipa Payload Edit..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons I've seen a couple of comments along the lines of using ARC is no substitute for knowing the Cocoa memory management rules. This is mostly true but it's important to understand why and why not. First if all of your code uses ARC and you violate.. were teaching a new class in Cocoa today I'd probably spend no more than five minutes on the actual memory management rules and I'd probably only mention the memory management naming rules while discussing KVC naming. With ARC I believe you could.. than five minutes on the actual memory management rules and I'd probably only mention the memory management naming rules while discussing KVC naming. With ARC I believe you could actually become a decent beginning programmer without learning..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0
Is calling [self release] allowed to control object lifetime? http://stackoverflow.com/questions/1385433/is-calling-self-release-allowed-to-control-object-lifetime i.e. the object was obtained with a method starting new or alloc or a method containing copy. Cocoa Memory Management Rules An object must not therefore do self release or self autorelease unless it has previously done self retain . share improve..
Copy file to the App Resources directory if debug configuration is selected http://stackoverflow.com/questions/2187547/copy-file-to-the-app-resources-directory-if-debug-configuration-is-selected
iPhone RSA algorithm with modulus and exponent [duplicate] http://stackoverflow.com/questions/6665832/iphone-rsa-algorithm-with-modulus-and-exponent DER data on the iPhone I have code on GitHub that will let you do this https github.com StCredZero SCZ BasicEncodingRules iOS SCZ BasicEncodingRules iOS Implementation of Basic Encoding Rules to enable import of RSA keys to iOS KeyChain using.. have code on GitHub that will let you do this https github.com StCredZero SCZ BasicEncodingRules iOS SCZ BasicEncodingRules iOS Implementation of Basic Encoding Rules to enable import of RSA keys to iOS KeyChain using exponent. Code targets iOS.. https github.com StCredZero SCZ BasicEncodingRules iOS SCZ BasicEncodingRules iOS Implementation of Basic Encoding Rules to enable import of RSA keys to iOS KeyChain using exponent. Code targets iOS 5 with ARC. Let's say you already have a modulus..
http://stackoverflow.com/questions/7131014/check-retain-count this method . To understand the fundamental rules of memory management that you must abide by read śMemory Management Rules To diagnose memory management problems use a suitable tool The LLVM Clang Static analyzer can typically find memory management..
http://stackoverflow.com/questions/7255991/rsa-encryption-public-key See this answer over here http stackoverflow.com a 10643894 584616 https github.com StCredZero SCZ BasicEncodingRules iOS SCZ BasicEncodingRules iOS Implementation of Basic Encoding Rules to enable import of RSA keys to iOS KeyChain using.. here http stackoverflow.com a 10643894 584616 https github.com StCredZero SCZ BasicEncodingRules iOS SCZ BasicEncodingRules iOS Implementation of Basic Encoding Rules to enable import of RSA keys to iOS KeyChain using exponent. Code targets iOS.. https github.com StCredZero SCZ BasicEncodingRules iOS SCZ BasicEncodingRules iOS Implementation of Basic Encoding Rules to enable import of RSA keys to iOS KeyChain using exponent. Code targets iOS 5 with ARC. Let's say you already have a modulus..
http://stackoverflow.com/questions/8032314/smb-samba-support-on-ios different formatting . Use it only as a hint. The definitive reference is whatever you see on the wire. WireShark Rules ... look at JCIFS for design inspiration such as how it puts the request and response into a map by MID and encodes and..
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