2014/10/15 下午 10:10:07
iphone Programming Glossary: hundredsUIButton in UITableView cell like “Delete Event” http://stackoverflow.com/questions/1076785/uibutton-in-uitableview-cell-like-delete-event will never go to zero so they'll all stick around. After a while of scrolling up and down the cell will end up with hundreds of button subviews which probably isn't what you want. A few tips Never allocate stuff inside a cellForRowAtIndexPath call..
TiMidity: need help compiling this library for the iPhone http://stackoverflow.com/questions/1083631/timidity-need-help-compiling-this-library-for-the-iphone already used. This is a platform independent set of programs but during compile time in XCode gcc compiler there are hundreds of dependency errors that come up. If anyone here has used TiMidity before for their apps your advice will be gold. Thanks..
How to Get time difference in iPhone http://stackoverflow.com/questions/1427151/how-to-get-time-difference-in-iphone to Get time difference in iPhone I have 2 arrays with time values in it. They are in the following format. mm ss hundreds of a sec. I want to get the difference between the two lastObjects in the arrays. NSDate is not working because the last.. to get the difference between the two lastObjects in the arrays. NSDate is not working because the last value is in hundredsth of a sec. A question. If the second date is larger than the first will it give me a negative number like 01 10 00 iphone..
How can I do variable height table cells on the iPhone properly? http://stackoverflow.com/questions/1443335/how-can-i-do-variable-height-table-cells-on-the-iphone-properly previously. As I said this works but calling sizeWithFont constrainedToSize is very slow when you're doing it for hundreds of items sequentially and I feel it can be done better. So for this to work I had to maintain two parts of code one that..
iOS: Open Source VoIP/SIP Objective-C Code http://stackoverflow.com/questions/1493050/ios-open-source-voip-sip-objective-c-code 2.X using internal micro speaker and headset. The Application supports the SIP standard preserving compatibility with hundreds of SIP providers and offers a GUI which preserves the apple design of native iPhone applications. share improve this answer..
How to efficiently show many Images? (iPhone programming) http://stackoverflow.com/questions/2507441/how-to-efficiently-show-many-images-iphone-programming CALayers and reuse them by hiding showing as necessary. 60 CALayers of 17 1 pixels is not much I've been doing it with hundreds of them without needing extra optimization. This way the images will already be decompressed and available in video memory...
NSString stringWithFormat swizzled to allow missing format numbered args http://stackoverflow.com/questions/2946649/nsstring-stringwithformat-swizzled-to-allow-missing-format-numbered-args 1 @ 2 @ I have it working but this is the first copy and seeing as this method is going to be potentially called hundreds of thousands of times per app run I need to bounce this off of some experts to see if this method has any red flags major..
Prevent duplicates when importing RSS feed to Core Data http://stackoverflow.com/questions/3185885/prevent-duplicates-when-importing-rss-feed-to-core-data To clarify I can already identify each item uniquely in the feed with guid. The issue is the performance of comparing hundreds of items against the database every time when most of them are duplicates. iphone objective c cocoa core data ios share..
iPhone/iPad keyboard shortcuts? http://stackoverflow.com/questions/3199635/iphone-ipad-keyboard-shortcuts iPad keyboard shortcuts There's an action in my program which users need to perform very frequently potentially hundreds of times per session and I'd like to add a keyboard shortcut for users with a bluetooth keyboard. Is there any way to do..
What is the most efficient way to count number of word in NSString without using regex? http://stackoverflow.com/questions/3975209/what-is-the-most-efficient-way-to-count-number-of-word-in-nsstring-without-using text string iphone objective c cocoa ios nsstring share improve this question Unless you're going to be doing it hundreds of times a second I would just opt for the readable solution something like the following pseudocode def count str lastchar..
Do you need to create an NSAutoreleasePool within a block in GCD? http://stackoverflow.com/questions/4141123/do-you-need-to-create-an-nsautoreleasepool-within-a-block-in-gcd there are no guarantees as to when the pool will be drained it may be after one block is processed it may be after hundreds but probably won't be . So if you are only allocating a few objects don't worry about it. However if you are allocating..
Making a Objective-C Wrapper for a C++ Library http://stackoverflow.com/questions/4204239/making-a-objective-c-wrapper-for-a-c-library .mm It compiles fine but when I add LLAHProcessorWrapper to other class Lets say an UIView as a member variable I get hundreds of errors like #include map Map no such a file or directory and in every c class struct Expected specifier qualifier list..
How to store a very large image on an iPhone/iPad http://stackoverflow.com/questions/5036943/how-to-store-a-very-large-image-on-an-iphone-ipad What's the best way to store a very large image for an iOS app I want an app to be able to view images that might be hundreds of megabytes perhaps as much as a gigabyte as jpeg. I need to be able to store the image and retrieve selected areas for..
Vector like drawing for zoomable UIScrollView http://stackoverflow.com/questions/5538394/vector-like-drawing-for-zoomable-uiscrollview is welcomed I am using CALayer s because as suggested in documentation CALayer s are lighter than UIViews and I have hundreds of them. Currently it works smoothly. I have tried with UIWebView and my CALayer version is faster Thanks in advance. iphone..
Horizontal UIScrollView and hundreds of thumbnail images in iOS? http://stackoverflow.com/questions/5973883/horizontal-uiscrollview-and-hundreds-of-thumbnail-images-in-ios UIScrollView and hundreds of thumbnail images in iOS I need to create a horizontal UIScrollView which to hold hundreds of thumbnail images just like.. UIScrollView and hundreds of thumbnail images in iOS I need to create a horizontal UIScrollView which to hold hundreds of thumbnail images just like a slide of thumbnails. For example there will be 10 thumbnails showing in a single screen..
IOS: dynamic height with a custom uitableviewcell http://stackoverflow.com/questions/7128215/ios-dynamic-height-with-a-custom-uitableviewcell and answer for useful background. Problems arise if you have to do a lot of work to calculate heights and you have hundreds or thousands of rows. In one use case I have like this I cache the row height calculations to get decent performance. But..
Most efficient way to draw part of an image in iOS http://stackoverflow.com/questions/8035673/most-efficient-way-to-draw-part-of-an-image-in-ios get full acceleration of underlying OpenGL which means GPU acceleration . Anyway if you need extreme optimization for hundreds of animated sprites with finely tuned pixel shaders like in a game app you should use OpenGL directly because CALayer lacks..
How to manage Enterprise Distribution certificate expiration? http://stackoverflow.com/questions/9216485/how-to-manage-enterprise-distribution-certificate-expiration users. See 憕roviding Updated Apps page 10 Am I missing something or is is possible that the employees with potentially hundreds of iOS devices with several In House apps can't open their applications while they wait for the resigned apps iphone ios.. in house applications do stop working after 1 year. It is a massive exercise for an organization like ours to rebuild hundreds of apps and redeploy it on thousands of devices every year. For us it is a month long exercise where we rebuild all our..
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