Recent questions tagged Cocoa

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cocoa touch - Facebook iOS Upload Video "Unable to retrieve session key from the access token."

I want to upload video on facebook using ios-sdk I check discussion in question iPhone Facebook Video Upload ... </error_response> Amit Battan See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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530 views

1 answer

cocoa touch - Uplooad Video facebook-ios-sdk : uploaded but not shown on my FB Wall and in My Video

I have upload the video on facebook using following code Help From : https://github.com/zoul/facebook-ios-sdk ... .com/YgEjJ.png Amit Battan See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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547 views

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cocoa - Any sample code on getting data from sensors on Mac?

I am a newbie to Objective-C and this site, so can you point me in the right direction? I need sample ... on google. Can anyone help please? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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621 views

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cocoa - how to convert a range to NSArray in Objective-C

I know how to do it in Ruby, converting a range of numbers to an array. But how is it possible in Objective-C? Ruby: (1..100).to_a See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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695 views

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cocoa - What's the equivalent of NSArray's writeToFile: atomically: in Swift and Array?

I've been learning about Swift and building an Cocoa app which is based on Swift, and faced the issue that ... implement the feature in Array? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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608 views

1 answer

cocoa - How to make a periodic call to a method in objective c?

if the question is not explained clearly please excuse me. I'm developing an iphone Client-Server app, i ... situation? Thank you very much See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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579 views

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cocoa touch - Way to discover which internet connection type I'm using on the iPhone

I need to know what internet connection is available when my application is running. I checked out the Reachability ... UMTS or EDGE or GPRS. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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530 views

1 answer

cocoa - "with" in parameter names in Swift initialisers

This initialiser will cause an error complaining that "with" is implied for the first parameter of an initialiser; ... init(withName: "joe"). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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513 views

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cocoa - IPhone SDK - How to serialize ABRecord?

I'm new in iPhone development, can you advice me how to serialize AdressBook records? I have read stackoverflow ... without answer) Thank you! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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573 views

1 answer

cocoa - Converting between multiple image formats in Objective-C

I want to be able to, being given a path to an image, convert that image into another image, but with a ... to do this with multiple formats. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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545 views

1 answer

cocoa - How to Safely Force Shutdown of Mac

What I want I'm developing a little app to force me to only work at certain times of day - I need ... better way of forcing shutdown safely? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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716 views

1 answer

cocoa - Fixed Height NSTableView, Avoid Scrolling

I have an NSTableView that has a very small fixed number of rows. When I create an NSTableView in Interface ... under the last row? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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525 views

1 answer

cocoa - Does Objective-C have a Standard Library?

Most somewhat modern programming languages have a standard library? It is my impression is that there isn't a ... open source, well documented? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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510 views

1 answer

cocoa touch - iPhone: Post data to php page

Despite looking at similar posts on this site and google, I just can't wrap my head around how to post ... this work with a couple parameters. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

506 views

1 answer

cocoa touch - iPhone: Post data to php page

Despite looking at similar posts on this site and google, I just can't wrap my head around how to post ... this work with a couple parameters. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

445 views

1 answer

cocoa - iPhone - get number of days between two dates

I'm writing a GTD app for the iPhone. For the due tasks, I want to display something like "Due ... release]; return daysBetweenDates; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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670 views

1 answer

cocoa - Disable a WebKit WebView

Is it possible to disable all user interaction with a WebView, apart from scrolling? I want the user to ... and navigation sending DOM events. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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469 views

1 answer

cocoa - Using CALayer's renderInContext: method with geometryFlipped

I have a CALayer (containerLayer) that I'm looking to convert to a NSBitmapImageRep before saving the data out as ... "test.png" atomically:NO]; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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686 views

1 answer

cocoa touch - What is retainCount in Objective-C?

I have a UITableView as my first screen with a UINavigation controller. In my first screen I NSLog(@"Home Screen ... is called. Is this correct? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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502 views

1 answer

cocoa touch - How do I detect a rotation on the iPhone without the device autorotating?

Anyone know how to do this? I thought this: -(BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation) ... Cheers, Nick. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

716 views

1 answer

cocoa - Determine which screen a window is on given the window ID

Is there a way to get the NSScreen for a window of another process assuming that I have the window id? I got ... if there's a better way. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

537 views

1 answer

cocoa touch - Move view when so that keyboard does not hide text field

In my app, when I click on a text field, the keyboard hides it. Please help me -- how can I move my view up ... 216, 0); but it doesn't work. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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649 views

1 answer

cocoa - How to get an array of sentences using CFStringTokenizer?

I've created an string tokenizer like this: stringTokenizer = CFStringTokenizerCreate( NULL , (CFStringRef)str , CFRangeMake( ... in the PDF). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

661 views

1 answer

cocoa - Enabling start at login with App Sandbox enabled

I have an application that must be sandboxed. It's not a difficult task, but I see that I cannot enable ... at login with App Sandbox enabled? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

608 views

1 answer

cocoa touch - -[UITableView scrollToRowAtIndexPath:] scrolls, but goes back to 1st row

I have a grouped table view with textfields in the tableview. For the keyboard to not hide the textfields, in ... Any insight would help. Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

747 views

1 answer

cocoa - NSTokenField and deleting tokens

My app allows users to attach tags to certain model objects (subclasses of NSManagedObject). The Tag class is also ... rest of us would expect. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

546 views

1 answer

cocoa - How to prevent NSSearchField from overwriting entered strings using the first autocompletion list entry?

I am looking for a way to create an nssearchfield that behaves as follows: user types in text based on ... , is there an alternative? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

555 views

1 answer

cocoa touch - Guidelines for naming classes in Objective-C

First of all, there are no namespaces in Objective-C, that's one thing. But when a project increases in ... ? What guidelines are you using? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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