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Do NSUserDefaults persist through an Update to an app in the Appstore?

...such as preferences, dates, strings etc. If you are looking to save images and files, the file system is a better bet. share | improve this answer | follow | ...
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Looping through the content of a file in Bash

... effects of trimming leading whitespace, interpreting backslash sequences, and skipping the last line if it's missing a terminating linefeed. If these are concerns, you can do: while IFS="" read -r p || [ -n "$p" ] do printf '%s\n' "$p" done < peptides.txt Exceptionally, if the loop body m...
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What is the difference between task and thread?

...m.Threading.Tasks namespace. What is the true difference between Thread and Task . I did some sample program(help taken from MSDN) for my own sake of learning with ...
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How to use pip with Python 3.x alongside Python 2.x

I installed Python 3.x (besides Python 2.x on Ubuntu) and slowly started to pair modules I use in Python 2.x. 10 Answers ...
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Text-align class for inside a table

... It's weird that I tried using text-md-right (and xs & lg) but they wouldn't work. I was in Codepen so that may have something to do with it. Anyways, this answer worked for me. Thanks! – Edson May 21 '16 at 23:35 ...
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How to make an Android Spinner with initial text “Select One”?

...ect One". When the user clicks the spinner, the list of items is displayed and the user selects one of the options. After the user has made a selection, the selected item is displayed in the Spinner instead of "Select One". ...
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DISTINCT for only one column

...OM Products WHERE ProductModel = 2 AND ProductName LIKE 'CYBER%' ) a WHERE rn = 1 share | improve this answer | follow...
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Running a command in a Grunt Task

I'm using Grunt (task-based command line build tool for JavaScript projects) in my project. I've created a custom tag and I am wondering if it is possible to run a command into it. ...
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Objective-C for Windows

... Expanding on the two previous answers, if you just want Objective-C but not any of the Cocoa frameworks, then gcc will work on any platform. You can use it through Cygwin or get MinGW. However, if you want the Cocoa frameworks, ...
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Retaining file permissions with Git

...b content from our dev server to github, pull it to our production server, and spend the rest of the day at the pool. 8 A...