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How to get overall CPU usage (e.g. 57%) on Linux [closed]
...s was not tested nor used, it's an idea for people who do not want to install a utility or for something that works in any distribution. Some people think you can "apt-get install" anything.
NOTE: this is not the current CPU usage, but the overall CPU usage in all the cores since the system bootup...
How to delete images from a private docker registry?
I run a private docker registry, and I want to delete all images but the latest from a repository. I don't want to delete the entire repository, just some of the images inside it. The API docs don't mention a way to do this, but surely it's possible?
...
Rails detect if request was AJAX
... you're using :remote => true in your links or forms, you'd do:
respond_to do |format|
format.js { #Do some stuff }
You can also check before the respond_to block by calling request.xhr?.
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How do I change bash history completion to complete what's already on the line?
...y-search-forward'
fi
(the if statement checks for interactive mode)
Normally, Up and Down are bound to the Readline functions previous-history and next-history respectively. I prefer to bind PgUp/PgDn to these functions, instead of displacing the normal operation of Up/Down.
# ~/.inputrc
"\e[5...
ASP.NET MVC partial views: input name prefixes
...he child class (which must be stored in a subfolder of the view directory called EditorTemplates):
<%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<MvcLearner.Models.TwoPart>" %>
<%= Html.LabelFor(birthday => birthday.Day) %><br />
<%= Html.EditorFor...
A monad is just a monoid in the category of endofunctors, what's the problem?
...lete and Mostly Wrong History of Programming Languages, in which he fictionally attributes it to Philip Wadler.
The original quote is from Saunders Mac Lane in Categories for the Working Mathematician, one of the foundational texts of Category Theory. Here it is in context, which is probably the bes...
How to view files in binary from bash?
...
...and it's preinstalled on Mac OS X and on Linux.
– Sridhar Sarnobat
Sep 5 '17 at 22:36
1
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Set Colorbar Range in matplotlib
... plt.title(title)
plt.colorbar()
plt.figure()
do_plot(1, lambda x:x, "all")
do_plot(2, lambda x:np.clip(x, -4, 0), "<0")
do_plot(3, lambda x:np.clip(x, 0, 4), ">0")
plt.show()
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How to retrieve an element from a set without removing it?
...r(s)) only exceeds list(s)[0] by three characters and is otherwise dramatically superior in both time and space complexity. So, while the claim of "least code" is trivially true, it's also trivially true that this is the worst possible approach. Even manually removing and then re-adding the removed ...
UTF-8 all the way through
... this in the past on existing servers and always seem to end up having to fall back to ISO-8859-1.
15 Answers
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