2014/10/15 下午 10:10:10

iphone Programming Glossary: illustrates

Use autorelease before adding objects to a collection?

http://stackoverflow.com/questions/1147785/use-autorelease-before-adding-objects-to-a-collection

NSMutableArray Or should I release it explicitly after adding it. I know NSMutableArray willl retain the object This illustrates my question Scenario A autorelease void add array is an instance of NSMutableArray MyClass obj MyClass alloc init autorelease..

how to disable auto layout by default for xcode 4.5?

http://stackoverflow.com/questions/12716891/how-to-disable-auto-layout-by-default-for-xcode-4-5

to disable auto layout by default for xcode 4.5 A question here Xcode 4.5 corrupting XIBs illustrates the problem and solution for xcode 4.5 creating nib files that can not run on ios5. Does anyone have a solution to prevent..

Changing border color in iPhone UITableView cells (non-grouped)

http://stackoverflow.com/questions/1408126/changing-border-color-in-iphone-uitableview-cells-non-grouped

border color in iPhone UITableView cells non grouped I've read and used the code here which illustrates how to change the background color and border color of a UITableViewCell in grouped mode on the iPhone. I'm writing an app..

dequeueReusableCellWithIdentifier not reusing cells

http://stackoverflow.com/questions/14453741/dequeuereusablecellwithidentifier-not-reusing-cells

cell while it should probably reuse the cells I already have. Why is this EDIT I am adding a sample demo project that illustrates the problem the link to the xcode project can be found here . It's essentially doing an infinite scroll when you reach to..

NSURLConnection and Basic HTTP Authentication

http://stackoverflow.com/questions/1973325/nsurlconnection-and-basic-http-authentication

post it seems that you can't do Basic Auth if you opt for the async route. 2 Anyone know of any some sample code that illustrates Basic Auth on a GET request without the need for a challenge response Apple's documentation shows an example but only after..

iPhone Core Data “Production” Error Handling

http://stackoverflow.com/questions/2262704/iphone-core-data-production-error-handling

of how you should implement it. Does anyone have or can point me in the direction of some actual production code that illustrates the above method. Thanks in advance Matt iphone core data error handling production environment share improve this question..

cocoa - I've discovered what I think is a bug with NSDecimalNumber

http://stackoverflow.com/questions/2479100/cocoa-ive-discovered-what-i-think-is-a-bug-with-nsdecimalnumber

and where the rounding errors are blah blah blah. This question is much more fun than what we usually see and it illustrates exactly what's wrong with the crowd wisdom of floating point is inexact read ' what every computer scientist should know.....

Obtaining an NSDecimalNumber from a locale specific string?

http://stackoverflow.com/questions/317311/obtaining-an-nsdecimalnumber-from-a-locale-specific-string

I'm actually dealing with currency strings . However I'm obviously doing something wrong for it to return a value that illustrates the imprecision of floating point numbers. What is the correct method to convert a locale specific number string to an NSDecimalNumber..

UIButton setTitle:forState: question

http://stackoverflow.com/questions/4370466/uibutton-settitleforstate-question

UIControlStateHighlighted AND UIControlStateDisabled are set in the state property. The example code below perfectly illustrates my point. If you disagree run it for yourself. button setTitle @ highlighted and selected forState UIControlStateHighlighted..

How could I make a horizontal picker?

http://stackoverflow.com/questions/4594685/how-could-i-make-a-horizontal-picker

self horizontalPickerView setValue 50.0 It doesn't have all of the features of a UIPickerView by any means but it illustrates one possible way to implement a control a UIScrollView containing a UIView with multiple CATextLayers for the markers and..

Is there a way to make drawRect work right NOW?

http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now

get constant UI updates while dealing with a continuous progress bar. This sample application I created for my class illustrates how to use both NSOperations and queues for performing background work and then updating the UI when done. Also my Molecules..

how to display UIActivityIndicatorView BEFORE rotation begins

http://stackoverflow.com/questions/7041261/how-to-display-uiactivityindicatorview-before-rotation-begins

willRotate method doesn't actually affect the display until after the willAnimateRotation method. The following code illustrates the issue. When run the activity indicator appears only very briefly and AFTER the simulateHardWorkNeededToGetDisplayInShapeBeforeRotation..

Instruments Leaks - Not showing my source code

http://stackoverflow.com/questions/728088/instruments-leaks-not-showing-my-source-code

iPhone frameworks but anything that is referencing source code that I've written is empty. The screenshot below illustrates my point. The blocks that are light blue should be referencing my source code. Has anyone ever had this problem Is Leaks..

How do I change the color of the side Alphabet in an indexed UITableView?

http://stackoverflow.com/questions/750119/how-do-i-change-the-color-of-the-side-alphabet-in-an-indexed-uitableview

setBackgroundColor UIColor whiteColor view setFont UIFont systemFontOfSize 14 rest of cellForRow handling... This illustrates how you can access and the UITableViewIndex view and modify it in some aspects. It looks like the view doesn't have any..