dpkg: unrecoverable fatal error, aborting: package ‘libistack-commons-java’ Sub-process /usr/bin/dpkg returned an error code (2)

GParted SMART Data & SelfTests 01 SMART Data & SelfTests 02 Terminal Badblocks I’m in Ubuntu 18.04, and now I’m dealing with this “fatal error” in dpkg folder, while trying to install some random apps… Some of them are returning this error: dpkg: unrecoverable fatal error, aborting: reading files list for package ‘libistack-commons-java’: Input/output error…

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How to replicate simple PromiseKit chained async flow using Combine + Swift

I was using PromiseKit successfully in a project until Xcode 11 betas broke PK v7. Resolving to reduce external dependencies, I decided to scrap PromiseKit, and replace with the Combine framework. 1) Is this dumb? 2) I am struggling to replicate the simple PK syntax using Combine ex. simple PromiseKit chained async call syntax getAccessCodeFromSyncProvider.then{accessCode…

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Radio button stays checked, even after I’ve selected another radio button [duplicate]

This question is an exact duplicate of: how to save radio button state 2 answers If someone selects one of these radio buttons, it should stay selected even when the user starts another activity or when the application closes. With the code I have implemented below, the “miles.btn.setchecked(MilesButtonState) has the miles_btn already checked when the…

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is there a way in R to subtract two rows within a group by specifying another grouping var?

Say I have something like this: ID = c(“a”,”a”,”a”,”a”,”a”, “b”,”b”,”b”,”b”,”b”) Group = c(“1″,”2″,”3″,”4″,”5”, “1”,”2″,”3″,”4″,”5″) Value = c(3, 4,2,4,3, 6, 1, 8, 9, 10) df<-data.frame(ID,Group,Value) I want to subtract group=5 from group=3 within the ID, with an output column which has this difference for each ID like so: ID Group Value Want 1 a 1 3…

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