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/etc/apt/sources.list" E212: Can't open file for writing
I am trying to edit sources.list using vi editor but getting the following error while saving the file:
12 Answers
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Move capture in lambda
How do I capture by move (also known as rvalue reference) in a C++11 lambda?
6 Answers
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configure Git to accept a particular self-signed server certificate for a particular https remote
The sysadmin for a project I'm on has decided that SSH is "too much trouble"; instead, he has set up Git to be accessible via an https:// URL (and username/password authentication). The server for this URL presents a self-signed certificate, so he advised everyone to turn off certificate validatio...
How to determine if a point is in a 2D triangle? [closed]
Is there an easy way to determine if a point is inside a triangle? It's 2D, not 3D.
25 Answers
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Elasticsearch query to return all records
I have a small database in Elasticsearch and for testing purposes would like to pull all records back. I am attempting to use a URL of the form...
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LaTeX: Prevent line break in a span of text
How can I prevent LaTeX from inserting linebreaks in my \texttt{...} or \url{...} text regions? There's no spaces inside I can replace with ~ , it's just breaking on symbols.
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Can't connect to local MySQL server through socket homebrew
I recently tried installing MySQL with homebrew ( brew install mysql ) and when I try to run it I get the following error:
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Replace string within file contents
How can I open a file, Stud.txt, and then replace any occurences of "A" with "Orange"?
8 Answers
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Calling a Java method with no name
I'm looking at the code below and found something a bit strange:
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How to get the parents of a Python class?
How can I get the parent class(es) of a Python class?
6 Answers
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