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Reload .profile in bash shell script (in unix)?

I'm new to bash shell scripting, and have come across a challenge. I know I can reload my ".profile" file by just doing: 5 ...
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What is process.env.PORT in Node.js?

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iOS 7 TextKit - How to insert images inline with text?

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Modify alpha opacity of LESS variable

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Convert a List into an ObservableCollection

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Import existing source code to GitHub

How can I import source code from my computer to my GitHub account? 14 Answers 14 ...
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How to expand/collapse a diff sections in Vimdiff?

...3 context lines above or below, etc.). I currently know only the following commands : 4 Answers ...
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Is it possible to adjust x,y position for titleLabel of UIButton?

... This is definitely correct, but probably easier to accomplish by using the interface builder (as described in my answer). – eladleb Apr 1 '13 at 7:23 ...
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How to check if command line tools is installed

...so the xcodebuild and xcode-select files in /usr/bin I need to know if the command line tools is installed. Is there a command for it? What can I do to see if XCode CLT is installed and if yes to find the version installed? ...
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Get all keys of an NSDictionary as an NSArray

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