What is the difference between http://archive.ubuntu.com/ubuntu/dists/bionic-security and http://security.ubuntu.com/ubuntu/dists/bionic-security

I am trying to understand how security updates work for the ubuntu package mirror. I see here that the recommendation is to set up security.ubuntu.com as the apt source for the security pocket, and to set archive.ubuntu.com as the apt source for all other pockets. I assume that these correspond to the bionic-security dist and…

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How to replace libapt-private.so.0.0.0 manually on Ubuntu for Windows?

I’m using Ubuntu for Windows, and have been for some time. /etc/debian_version names it as buster/sid. As a result of recent suspected disk corruption, /usr/lib/x86_64-linux-gnu/libapt-private.so.0.0.0 appears to have been replaced by a same-sized file containing only (binary) zeroes. This breaks apt and prevents its self-repair, of course. I have been given a copy of the…

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add quotation mark to a text file powershell

I need to add the quotation mark to a text file that contains 500 lines text. The format is inconsistent. It has dashes, dots, numbers, and letters. For example 1527c705-839a-4832-9118-54d4Bd6a0c89 16575getfireshot.com.FireShotCaptureWebpageScreens 3EA2211E.GestetnerDriverUtility I have tried to code this $Flist = “Get-Content $home\$user\appfiles\out.txt” $Flist | %{$_ -replace ‘^(.*?)’, ‘”‘} I got the result which only added…

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Check all characters are the same in a string

Was wondering if you could help me, I’m writing a haskell program and im using the transpose method and its working as I wish. But I then wish to check each [string] returned from the transpose is of the same charcter e.g transpose[“hello”,”help”,”hell”,”helm”] would return something like [“hhhh”,”eeee”,”llll”,”plml”,”o”] I wonder is it then possible to…

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TensorFlow.js How to train output = input+1

I am trying to learn TensorFlow.js and trying to train it so when a input is given, the output should be input+1. My code: const model = tf.sequential(); const hiddenLayer = tf.layers.dense({ inputShape: [1], activation: “sigmoid”, units: 1 }); const outputLayer = tf.layers.dense({ activation: “sigmoid”, units: 1 }); model.add(hiddenLayer); model.add(outputLayer); model.compile({ loss: “meanSquaredError”, optimizer: tf.train.sgd()…

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