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2014/10/15 ¤U¤È 10:14:42
iphone Programming Glossary: systemsI want to make my appliaction only in landscape orientation in ios (Both ios 5 and ios 6) http://stackoverflow.com/questions/12933089/i-want-to-make-my-appliaction-only-in-landscape-orientation-in-ios-both-ios-5-a
iOS: Open Source VoIP/SIP Objective-C Code http://stackoverflow.com/questions/1493050/ios-open-source-voip-sip-objective-c-code C Code I have been tasked with investigating the feasibility of writing an iPhone App to access our internal VoIP SIP systems. I've never coded anything close to VoIP before. Are there any open source VoIP SIP libraries or examples in C or Objective..
Best way to implement Enums with Core Data http://stackoverflow.com/questions/1624297/best-way-to-implement-enums-with-core-data expect an NSNumber object rather than a scalar type and you'll run into trouble if anything in the bindings or KVO systems try and access your value. PaymentFrequency itemTypeRaw return PaymentFrequency self itemType intValue void setItemTypeRaw..
Two macs. One iPhone Developer License. Possible? http://stackoverflow.com/questions/1861360/two-macs-one-iphone-developer-license-possible by me. Step 1 To export your private key and certificate for safe keeping and for enabling development on multiple systems open up the Keychain Access Application and select the ˜Keys category. Step 2 Control Click on the private key associated.. is used when you attempt to import this key on another computer. Step 5 You can now transfer this .p12 file between systems. Double click on the .p12 to install it on a system. You will be prompted for the password you entered in Step 4. share..
How to set background image of a view? http://stackoverflow.com/questions/2167623/how-to-set-background-image-of-a-view
Detecting Acceleration in a car (iPhone Accelerometer) http://stackoverflow.com/questions/2733249/detecting-acceleration-in-a-car-iphone-accelerometer same readings on an accelerometer. They will be completely impossible to distinguish. That's why inertial navigation systems combine a gyro and accelerometer. The reason you can't do this was given by Einstein Using a local measurement you can't..
http://stackoverflow.com/questions/3089917/gyroscope-vs-accelerometer system or dead reckoning allowing you to find the relative physical location of the device. Note that all inertial systems drift so its not stable in the long term . In short gyroscopes measure rotation accelerometers measure translation. There..
Alternative solutions for in-house iPhone enterprise app distribution http://stackoverflow.com/questions/3309835/alternative-solutions-for-in-house-iphone-enterprise-app-distribution enterprise app distribution A client has asked us to develop a proprietary in house app for managing their back end systems. However we are a small development company and I'm certain that their company does not have 500 employees. Are there any.. embedded in the app in particular the information that allows it to connect to and authenticate against the back end systems. The solution to that is to not include this information within the app and simply have that information be part of the..
Convert GPS coordinates to coordinate plane http://stackoverflow.com/questions/3588653/convert-gps-coordinates-to-coordinate-plane a GPS coordinate to a X Y position on this map I can't seem to get the math right. iphone math map gps coordinate systems share improve this question Let delta_long and delta_lat be the differences in degrees in the GPS coordinates of the..
Mobile developer interview questions, that a non-mobile developer can ask [closed] http://stackoverflow.com/questions/4391495/mobile-developer-interview-questions-that-a-non-mobile-developer-can-ask Unity3D for 3D etc the popular physics 2D packages eg chipmunk etc one way or another the server side of client server systems So that's that. A question is what SPECIFICALLY are you going to be doing in general terms ie scientific computing game..
http://stackoverflow.com/questions/4445173/when-to-use-nsinteger-vs-int architecture your code might run on so you may for some reason want the largest possible int type which on 32 bit systems is just an int while on a 64 bit system it's a long . I'd stick with using NSInteger instead of int long unless you specifically..
http://stackoverflow.com/questions/5352457/cgfloat-based-math-functions based math functions In both OS X and iOS Apple is using the CGFloat typedef to automatically get a float on 32 bit systems and a double on 64 bit systems. But when using the normal Unix math functions you need to make that decision on a case by.. OS X and iOS Apple is using the CGFloat typedef to automatically get a float on 32 bit systems and a double on 64 bit systems. But when using the normal Unix math functions you need to make that decision on a case by case basis. For example the floor..
Syncing objects between two disparate systems, best approach? http://stackoverflow.com/questions/636675/syncing-objects-between-two-disparate-systems-best-approach objects between two disparate systems best approach I am working on syncing two business objects between an iPhone and a Web site using an XML based payload.. The nature of this question is fairly generic though and I can see it being applicable to a variety of different systems that need to sync business objects between a web entity and a client desktop mobile phone etc. The business objects can.. Otherwise no other data is stored at the moment . What algorithm would you use to minimize network chatter between the systems for syncing How would you handle deletes if soft deletes are not an option What data model changes would you add to facilite..
Does iOS 5 have garbage collection? http://stackoverflow.com/questions/6576674/does-ios-5-have-garbage-collection collectors have to scan for unreferenced memory and collect it which is expensive and can lead to stuttering on slower systems but they only have to do this occasionally and can even fine tune their collection cycles to match how a program actually..
! vs == nil in objective-c [duplicate] http://stackoverflow.com/questions/6782190/vs-nil-in-objective-c
Is there a good charting library for iPhone? [closed] http://stackoverflow.com/questions/769749/is-there-a-good-charting-library-for-iphone the lack of good plotting frameworks on the iPhone. Core Plot also encompases many other use cases including desktop systems but its design has included iPhone support from the beginning. It's getting pretty close to useable and is currently in..
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