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How to concatenate two IEnumerable into a new IEnumerable?
...same T ). I want a new instance of IEnumerable<T> which is the concatenation of both.
4 Answers
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Turning off auto indent when pasting text into vim
...sn't any easier than :set noai followed by :set ai. The suggestion of :r! cat is shorter.
– Leopd
May 26 '10 at 21:34
71
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How do I append text to a file?
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cat >> filename
This is text, perhaps pasted in from some other source.
Or else entered at the keyboard, doesn't matter.
^D
Essentially, you can dump any text you want into the file. CTRL-D sends an end-of-file signa...
How to redirect output of an already running process [duplicate]
...e Redirecting Output from a Running Process.
Firstly I run the command cat > foo1 in one session and test that data from stdin is copied to the file. Then in another session I redirect the output.
Firstly find the PID of the process:
$ ps aux | grep cat
rjc 6760 0.0 0.0 1580 376 pts/5 S...
How to grep for two words existing on the same line? [duplicate]
...ed, the man pages are pretty much the last place you want to go for clarification. They're more confusing than randomly guessing.
– corsiKa
Jun 25 '11 at 21:45
5
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What is a non-capturing group in regular expressions?
...enthesis.
Consider the expressions (a|b)c and a|bc, due to priority of concatenation over |, these expressions represent two different languages ({ac, bc} and {a, bc} respectively).
However, the parenthesis are also used as a matching group (as explained by the other answers...).
When you want to...
How to download a file from server using SSH? [closed]
...priate.
If you want to access EC2 (or other service that requires authenticating with a private key), use the -i option:
scp -i key_file.pem your_username@remotehost.edu:/remote/dir/foobar.txt /local/dir
From: http://www.hypexr.org/linux_scp_help.php
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Multiline syntax for piping a heredoc; is this portable?
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And includes this example of multiple "here-documents" in the same line:
cat <<eof1; cat <<eof2
Hi,
eof1
Helene.
eof2
So there is no problem doing redirections or pipes. Your example is similar to something like this:
cat file |
cmd
And the shell grammar (further down on the link...
Inline comments for Bash?
... something like that, but I think it's as good as we can get without complicating things a lot. To me it's a sign that one needs a better language, but it can do great, maintaining the already built code with such 'coments' to document it.
– Rafareino
Sep 13 '1...
How to take column-slices of dataframe in pandas
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2017 Answer - pandas 0.20: .ix is deprecated. Use .loc
See the deprecation in the docs
.loc uses label based indexing to select both rows and columns. The labels being the values of the index or the columns. Slicing with .loc includes the last element.
Let'...