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Order Bars in ggplot2 bar graph

...der(Position, -table(Position)[Position]))) + geom_bar() It's similar to what Alex Brown suggested, but a bit shorter and works without an anynymous function definition. Update I think my old solution was good at the time, but nowadays I'd rather use forcats::fct_infreq which is sorting factor l...
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Is not an enclosing class Java

... Making ZShape static totally defeats the purpose of what he's trying to do, which is instantiate a copy of ZShape. – Cardano Feb 15 '14 at 1:58 17 ...
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OS X Bash, 'watch' command

... It may be that "watch" is not what you want. You probably want to ask for help in solving your problem, not in implementing your solution! :) If your real goal is to trigger actions based on what's seen from the tail command, then you can do that as pa...
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What is the difference between buffer and cache memory in Linux?

To me it's not clear what's the difference between the two Linux memory concepts : buffer and cache . I've read through this post and it seems to me that the difference between them is the expiration policy: ...
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Regex Match all characters between two strings

...etween the two lookarounds. Adding a ? makes the star lazy. This matches what you want: (?<=This is).*?(?=sentence) See demo. I removed the capture group, which was not needed. DOTALL Mode to Match Across Line Breaks Note that in the demo the "dot matches line breaks mode" (a.k.a.) dot-al...
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How to detect Safari, Chrome, IE, Firefox and Opera browser?

...ctors. This is the least durable method of all listed properties and guess what? In Safari 9.1.3 it was fixed. So we are checking against SafariRemoteNotification, which was introduced after version 7.1, to cover all Safaris from 3.0 and upwards. Opera: window.opera has existed for years, but will b...
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Python: Tuples/dictionaries as keys, select, sort

...ally, one of the things I love about python is the tuple-dict combination. What you have here is effectively a 2d array (where x = fruit name and y = color), and I am generally a supporter of the dict of tuples for implementing 2d arrays, at least when something like numpy or a database isn't more a...
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NuGet Package Restore Not Working

...enable package restore mode in the project that has the missing packages", what do you mean? Is there a console command that I need to run to do that? – CodeWarrior Nov 7 '12 at 16:51 ...
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How do I show the schema of a table in a MySQL database?

From the MySQL console, what command displays the schema of any given table? 5 Answers ...
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Understanding “randomness”

...e rolled die. Now imagine taking the average of two dice. Now one hundred. What happens to the chance of getting a one or a six for the average as you add more dice? – johncip Oct 18 '10 at 7:26 ...