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Create a GUID in Java

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Algorithms based on number base systems? [closed]

I've noticed recently that there are a great many algorithms out there based in part or in whole on clever uses of numbers in creative bases. For example: ...
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Files showing as modified directly after a Git clone

...is config allowed me to ignore chmod changes by git stackoverflow.com/q/1580596/6207775 – Ayushya Jul 9 '17 at 6:02 1 ...
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Change text color based on brightness of the covered background area?

...but this is a good alternative to returning absolute colors jsfiddle.net/1905occv/1 – Hanna Jul 5 '17 at 11:27 ...
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Global variables in AngularJS

I have a problem where i'm initialising a variable on the scope in a controller. Then it gets changed in another controller when a user logs in. This variable is used to control things such as the navigation bar and restricts access to parts of the site depending on the type of user, so its importan...
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Google OAuth 2 authorization - Error: redirect_uri_mismatch

On the website https://code.google.com/apis/console I have registered my application, set up generated Client ID: and Client Secret to my app and tried to log in with Google. Unfortunately, I got the error message: ...
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Artificially create a connection timeout error

...ccurs when I receive a connection timeout. These errors are very rare (usually when my connection gets dropped by our internal network). How can I generate this kind of effect artificially so I can test our software? ...
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How to copy files from 'assets' folder to sdcard?

I have a few files in the assets folder. I need to copy all of them to a folder say /sdcard/folder. I want to do this from within a thread. How do I do it? ...
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read.csv warning 'EOF within quoted string' prevents complete reading of file

I have a CSV file (24.1 MB) that I cannot fully read into my R session. When I open the file in a spreadsheet program I can see 112,544 rows. When I read it into R with read.csv I only get 56,952 rows and this warning: ...
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How to send a command to all panes in tmux?

I like to call :clear-history on panes with a huge scrollback. However, I want to script a way to send this command to all the panes in the various windows. ...