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/etc/apt/sources.list" E212: Can't open file for writing
I a<em>mem> trying to edit sources.list using vi editor but getting the following error while saving the file:
12 Answers
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How do I check if a nu<em>mem>ber is a palindro<em>mem>e?
How do I check if a nu<em>mem>ber is a palindro<em>mem>e?
50 Answers
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How do I set vertical space between list ite<em>mem>s?
Within a &a<em>mem>p;lt;ul&a<em>mem>p;gt; ele<em>mem>ent, clearly the vertical spacing between lines can be for<em>mem>atted with the line-height attribute.
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SSL Error: CERT_UNTRUSTED while using np<em>mem> co<em>mem><em>mem>and
I a<em>mem> trying to install express fra<em>mem>ework using np<em>mem> co<em>mem><em>mem>and but getting following error.
7 Answers
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How do I check whether a file exists without exceptions?
How do I check if a file exists or not, without using the try state<em>mem>ent?
39 Answers
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Inserting code in this LaTeX docu<em>mem>ent with indentation
How do I insert code into a LaTeX docu<em>mem>ent? Is there so<em>mem>ething like:
9 Answers
9
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sudo echo “so<em>mem>ething” >> /etc/privilegedFile doesn't work
This is a pretty si<em>mem>ple question, at least it see<em>mem>s like it should be, about sudo per<em>mem>issions in Linux.
15 Answers
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Don't understand why UnboundLocalError occurs (closure) [duplicate]
What a<em>mem> I doing wrong here?
8 Answers
8
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How to stop an ani<em>mem>ation (cancel() does not work)
I need to stop a running translate ani<em>mem>ation. The .cancel() <em>mem>ethod of Ani<em>mem>ation has no effect; the ani<em>mem>ation goes until the end anyway.
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How to concatenate two strings in C++?
I have a private class variable char na<em>mem>e[10] to which I would like to add the .txt extension so that I can open the file present in the directory.
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