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How to create new tmux session if none exists

I am trying to figure out how to attach to a tmux session if a named tmux session exists, if not I want to create a new one with the given name. ...
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Convert Bitmap to File

I understand that using BitmapFactory can convert a File to a Bitmap, but is there any way to convert a Bitmap image to a File? ...
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Xcode suddenly stopped running project on hardware: “Could not launch xxx.app: .. No such file..” [c

Xcode has stopped being able to run my app, it started directly after I deleted it from the device and attempted to re-install by rerunning it in Xcode (something I've done hundreds of times before). ...
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How to check if command line tools is installed

I have a macbook pro with OS X 10.8.2. XCode is installed. I know this as it appears in the Applications directory. There are also 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 ...
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How to save an image locally using Python whose URL address I already know?

I know the URL of an image on Internet. 13 Answers 13 ...
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NSUserDefaults not cleared after app uninstall on simulator

this may sound real NOOB! I want to check if it's the second time the user enters my application, so to keep the run count I'm using NSUserDefaults . I have implemented the following code in my rootViewController 's viewDidLoad method: ...
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How can I view the source code for a function?

...ed above. Rather, they are part of the R source tree in individual package directories under /src/library/. How to access the R source is described in the next section. Compiled code built into the R interpreter If you want to view the code built-in to the R interpreter, you will need to download/...
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allowDefinition='MachineToApplication' error when publishing from VS2010 (but only after a previous

...config" /> <ExtraPackageTmp Include="$([System.IO.Directory]::GetDirectories("$(BaseIntermediateOutputPath)", "PackageTmp", System.IO.SearchOption.AllDirectories))" /> </ItemGroup> <Delete Files="@(ExtraWebConfigs)" /> <RemoveDir ...
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How do I get the full path to a Perl script that is executing?

I have Perl script and need to determine the full path and filename of the script during execution. I discovered that depending on how you call the script $0 varies and sometimes contains the fullpath+filename and sometimes just filename . Because the working directory can vary as well I can't ...
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Where does Vagrant download its .box files to?

What happens to the .box file after the following command is executed? 8 Answers 8 ...