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Differences between strong and weak in Objective-C

I'm new to Obj-C, so my first question is: 9 Answers 9 ...
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Delete/Reset all entries in Core Data?

...nd safe, and can certainly be done programatically at runtime. Update for iOS5+ With the introduction of external binary storage (allowsExternalBinaryDataStorage or Store in External Record File) in iOS 5 and OS X 10.7, simply deleting files pointed by storeURLs is not enough. You'll leave the ext...
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Where does the iPhone Simulator store its data?

... For Xcode6+/iOS8+ ~/Library/Developer/CoreSimulator/Devices/[DeviceID]/data/Containers/Data/Application/[AppID]/ Accepted answer is correct for SDK 3.2 - SDK 4 replaces the /User folder in that path with a number for each of the legacy...
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What is `mt=8` in iTunes links for the App Store?

...umber of different Media Types (mt values): 1 Music 2 Podcasts 3 Audiobooks 4 TV Shows 5 Music Videos 6 Movies 7 iPod Games 8 Mobile Software Applications 9 Ringtones 10 iTunes U 11 E-Books 12 Desktop Apps So, to answer your question, the "mt=8" in iTunes links simply identif...
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Linux - Install redis-cli only

... now it isn't working http://security.ubuntu.com/ubuntu bionic-updates/universe amd64 redis-tools amd64 5:4.0.9-1ubuntu0.1 returns 404 Not Found – Andrew Sneck Nov 25 '19 at 9:28 ...
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Generating random numbers in Objective-C

... You should use the arc4random_uniform() function. It uses a superior algorithm to rand. You don't even need to set a seed. #include <stdlib.h> // ... // ... int r = arc4random_uniform(74); The arc4random man page: NAME arc4random, arc4random_stir, arc4ra...
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Changing the status bar text color in splash screen iOS 7

I know that are already some stackoverflow questions that say how to change the status bar for all view controllers. I am currently changing the color of status bar this way: ...
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Read file data without saving it in Flask

I am writing my first flask application. I am dealing with file uploads, and basically what I want is to read the data/content of the uploaded file without saving it and then print it on the resulting page. Yes, I am assuming that the user uploads a text file always. ...
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How to see an HTML page on Github as a normal rendered HTML page to see preview in browser, without

...way to preview HTML files on GitHub is to go to https://htmlpreview.github.io/ or just prepend it to the original URL, i.e.: https://htmlpreview.github.io/?https://github.com/bartaz/impress.js/blob/master/index.html share ...
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How to set top-left alignment for UILabel for iOS application?

...e-explaining, I will link to this rather extensive & highly rated question/answer: Vertically align text to top within a UILabel The short answer is no, Apple didn't make this easy, but it is possible by changing the frame size. ...