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How can you diff two pipelines in Bash?
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In bash you can use subshells, to execute the command pipelines individually, by enclosing the pipeline within parenthesis. You can then prefix these with < to create anonymous named pipes which you can then pass to diff.
For example:
diff <(foo | bar) <(baz | quux)
The anonymous ...
Difference between HEAD and master
... also pushing RefSpecs in the Pro Git book.
What you are seeing is the sidebar representing all the refspecs of your remote repo in the Experimental GitX fork of the GitX project.
The HEAD will designate the default branch for that remote.
See git remote set-head man page:
Having a default...
How do I use vi keys in ipython under *nix?
... it is: ESC+CTRL+j. To switch back to Emacs mode one can use C-e but that didn't appear to work for me - I had to instead do M-C-e - on my Mac it is: ESC+CTRL+e.
FYI my ~/.inputrc is set up as follows:
set meta-flag on
set input-meta on
set convert-meta off
set output-meta on
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What does each of the [y,n,q,a,d,/,K,j,J,g,e,?] stand for in context of git -p
...ch for a hunk matching the given regex
j - leave this hunk undecided, see next undecided hunk
J - leave this hunk undecided, see next hunk
k - leave this hunk undecided, see previous undecided hunk
K - leave this hunk undecided, see previous hunk
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C++11 range based loop: get item by value or reference to const
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If you don't want to change the items as well as want to avoid making copies, then auto const & is the correct choice:
for (auto const &x : vec)
Whoever suggests you to use auto & is wrong. Ignore them.
Here is recap:
Choose auto x when you want to work with copies.
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What is a reasonable order of Java modifiers (abstract, final, public, static, etc.)?
...tile
synchronized
native
strictfp
Update: There is a new "Java Style Guidelines" initiative in place for projects in the OpenJDK community. It also has a recommendation for a modifier order and also includes the new default modifier of Java 8.
public / private / protected
abstract
static
final
t...
What is “Service Include” in a csproj file for?
...ly when the solution contains one or more test projects. Test projects are identified in two different ways. Projects created from one of the built-in unit test project templates are identified using project type GUIDs. Other types of projects, such as Class Library project with XUnit or NUnit tests...
How do I make a matrix from a list of vectors in R?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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Set time part of DateTime in ruby
...datetime object eg DateTime.now . I want to set hours and minutes to 0 (midnight). How can I do that?
4 Answers
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Grepping a huge file (80GB) any way to speed it up?
...from the following filename. Similar to cat file.sql | parallel ... but avoids a UUOC. GNU parallel also has a way to read input from a file using parallel ... :::: file.sql. HTH.
– Steve
Oct 21 '19 at 21:26
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