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2014/10/15 ¤U¤È 10:15:43
iphone Programming Glossary: varyhttp://stackoverflow.com/questions/1166444/mkmapview-zoom-and-region how table views will let you scroll past the edge but will then rubber band back into place. However your mileage may vary since I haven't used it for this purpose. btw there are definite fixes improvements in OS 3.1 to aspects of MapKit that..
Debugging App When Launched by Push Notification http://stackoverflow.com/questions/1239000/debugging-app-when-launched-by-push-notification to the app after you launch it instead of launching the app through the debugger. This lets you debug things that vary based on the launch state of your application such as URL schemes pasteboards and push notifications. In Xcode look in the..
Extend app for iPhone 5 - best practice http://stackoverflow.com/questions/12518879/extend-app-for-iphone-5-best-practice of the app. The app in this case is more of a game simulator than say a productivity app. So your mileage may vary with regard to the level of effort really required to support the 4 screen. It will depend on how complicated and non standard..
Want to start iPhone development [closed] http://stackoverflow.com/questions/1294214/want-to-start-iphone-development benefit from having at least one iPhone iPod touch to test for real. In addition to this performance and capabilities vary between different models so it can be helpful to have a range of devices. You will need to enroll with an Apple iPhone development..
Get size of a UIImage (bytes length) not height and width http://stackoverflow.com/questions/1296707/get-size-of-a-uiimage-bytes-length-not-height-and-width image but the size of the data. iphone uiimage share improve this question The underlying data of a UIImage can vary so for the same image one can have varying sizes of data. One thing you can do is use UIImagePNGRepresentation or UIImageJPEGRepresentation.. uiimage share improve this question The underlying data of a UIImage can vary so for the same image one can have varying sizes of data. One thing you can do is use UIImagePNGRepresentation or UIImageJPEGRepresentation to get the equivalent..
Tricks for improving iPhone UITableView scrolling performance? http://stackoverflow.com/questions/1352479/tricks-for-improving-iphone-uitableview-scrolling-performance scrolling performance I have a uitableview that loads fairly large images in each cell and the cell heights vary depending on the size of the image. Scrolling performance is decent but can sometimes be jerky. I found these tips I found..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention name will not be changed just the synthesize mapping to the internal name. I pretty much never want the name to vary from the property to the real variable it exposes access to. That alone makes me never want to use _ as a variable prefix..
How can I reduce the number of annotations on a map? http://stackoverflow.com/questions/2200504/how-can-i-reduce-the-number-of-annotations-on-a-map there's another pin already placed within distance d of the new pin. If there is don't place the new pin. You need to vary d based on the current zoom level. You can reduce the number of pins you check against by considering only pins in a bounding..
Annotate PDF within iPhone SDK http://stackoverflow.com/questions/2313008/annotate-pdf-within-iphone-sdk original PD. getTempPDFFileName returns the path of the new PDF the one that is the original plus the annotation. To vary the annotations just add in more drawing code in place of the drawInRect withFont method. See the Drawing and Printing Guide..
Detecting Acceleration in a car (iPhone Accelerometer) http://stackoverflow.com/questions/2733249/detecting-acceleration-in-a-car-iphone-accelerometer by a bit which happens more frequently than I would like . But if I plot these vectors that I am using they actually vary by an angle of about 20 30 degrees which can lead to some strong inaccuracies. The end result is that the app is even more..
MKMapView setRegion “snaps” to predefined zoom levels? http://stackoverflow.com/questions/3612007/mkmapview-setregion-snaps-to-predefined-zoom-levels is twice that .003433 and so on. I'm not sure why they chose to normalize by longitude it means that fixes zoom levels vary depending on what part of the world you are looking at. I've also spent a lot of time trying to understand the significance..
How do I open the Settings application from my application? http://stackoverflow.com/questions/377102/how-do-i-open-the-settings-application-from-my-application there's no way for me to provide sensible defaults for this app the server host names user accounts etc. will vary for each user. I think the best I can hope for is to show an alert explaining that some configuration needs to be entered..
Gradients on UIView and UILabels On iPhone [duplicate] http://stackoverflow.com/questions/422066/gradients-on-uiview-and-uilabels-on-iphone be a gradient as opposed to a true color. Using a graphics program to create desired look is no good as the text may vary depending on data returned from a server. Does anyone know the quickest way to tackle this Your thoughts are greatly appreciated...
NSDateFormatter dateFromString returns nil http://stackoverflow.com/questions/4258266/nsdateformatter-datefromstring-returns-nil @ en_US_POSIX autorelease and it will work. By default NSDateFormatter uses the system's current locale which can vary depending on the current user's preferences. The date string above @ Tue 23 Nov 2010 16 14 14 0000 contains English words..
Default UITableViewCellStyleSubtitle font size? http://stackoverflow.com/questions/4775107/default-uitableviewcellstylesubtitle-font-size any font to those labels in code so if you want some guaranteed fixed values you'd better do that as size values may vary depending on many factors cell's style sdk version os version etc . I've tested on simulator with 4.2 SDK version and got..
Mysterious “progressive slowing” problem in run loop / drawRect http://stackoverflow.com/questions/4786754/mysterious-progressive-slowing-problem-in-run-loop-drawrect mysterious problem the time taken for each drawing cycle increases each time becoming unusable . Further the time can vary erratically. Is this a known iOS bug or Has anyone seen this before Here is an extremely trivial extremely easy to understand..
Iphone - when to calculate heightForRowAtIndexPath for a tableview when each cell height is dynamic? http://stackoverflow.com/questions/4823197/iphone-when-to-calculate-heightforrowatindexpath-for-a-tableview-when-each-cel a cell height without creating the views themselves . But usually this is easy to do. For example if your row heights vary in size because they hold varying amounts of text you can use one of the sizeWithFont methods on the relevant string to.. the views themselves . But usually this is easy to do. For example if your row heights vary in size because they hold varying amounts of text you can use one of the sizeWithFont methods on the relevant string to do the calculations. This is quicker..
Are the Core Image filters in iOS 5.0 fast enough for realtime video processing? http://stackoverflow.com/questions/6625888/are-the-core-image-filters-in-ios-5-0-fast-enough-for-realtime-video-processing same on an iPhone 4S. This is about the simplest Core Image filter case you can set up so performance will certainly vary with more complex operations. This would seem to indicate that Core Image cannot do live processing fast enough to match..
How can I programmatically get the MAC address of an iphone http://stackoverflow.com/questions/677530/how-can-i-programmatically-get-the-mac-address-of-an-iphone
http://stackoverflow.com/questions/728704/resizing-uitextview to display some data. The data displayed in the textview is dynamic. Thats is the number of lines is not fixed. It may vary. So if the number of line increases the size of the textview also needs to be increased. I have no clue how to do this...
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