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Overlaying histograms with ggplot2 in R

... Your current code: ggplot(histogram, aes(f0, fill = utt)) + geom_histogram(alpha = 0.2) is telling ggplot to construct one histogram using all the values in f0 and then color the bars of this single histogram according to the variable utt. What you want instead is...
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Can I use `pip` instead of `easy_install` for `python setup.py install` dependency resolution?

...ip install https://pypi.python.org/packages/source/r/requests/requests-2.3.0.tar.gz Install from local tarball wget https://pypi.python.org/packages/source/r/requests/requests-2.3.0.tar.gz pip install requests-2.3.0.tar.gz Install from local folder tar -zxvf requests-2.3.0.tar.gz cd requests-2...
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Emulating a do-while loop in Bash

... answered May 10 '13 at 19:59 jm666jm666 51k1414 gold badges8585 silver badges155155 bronze badges ...
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What's the difference between “groups” and “captures” in .NET regular expressions?

...ew value. Not .NET, which will keep this history and places it in Captures[0]. If we change your regex to look as follows: MatchCollection matches = Regex.Matches("{Q}{R}{S}", @"(\{[A-Z]\})+"); you will notice that the first Group will have one Captures (the first group always being the whole m...
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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table

...le(a = c(1, 2), b = c(11, 12)) newDT <- DT .Internal(inspect(DT)) # @0000000003B7E2A0 19 VECSXP g0c7 [OBJ,NAM(2),ATT] (len=2, tl=100) # @00000000040C2288 14 REALSXP g0c2 [NAM(2)] (len=2, tl=0) 1,2 # @00000000040C2250 14 REALSXP g0c2 [NAM(2)] (len=2, tl=0) 11,12 # ATTRIB: # ..snip.. .Inte...
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How to trim a string to N chars in Javascript?

... Why not just use substring... string.substring(0, 7); The first argument (0) is the starting point. The second argument (7) is the ending point (exclusive). More info here. var string = "this is a string"; var length = 7; var trimmedString = string.substring(0, length); ...
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Virtualbox “port forward” from Guest to Host [closed]

... and find out the ip address: ifconfig example of result (ip address is 10.0.2.15): eth0 Link encap:Ethernet HWaddr 08:00:27:AE:36:99 inet addr:10.0.2.15 Bcast:10.0.2.255 Mask:255.255.255.0 Go to Vbox instance window -> Menu -> Network adapters: adapter should be NAT clic...
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How do I make a transparent canvas in html5?

...| edited Apr 16 '14 at 1:20 Lee Taylor 5,93777 gold badges2626 silver badges4343 bronze badges answered ...
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Change date of git tag (or GitHub Release based on it)

...re-create new releases from the new tags In code: # Fixing tag named '1.0.1' git checkout 1.0.1 # Go to the associated commit git tag -d 1.0.1 # Locally delete the tag git push origin :refs/tags/1.0.1 # Push this deletion up to GitHub # Create the tag, with a date d...
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Logic to test that 3 of 4 are True

... (§4.7/4) indicates that converting bool to int gives the expected values 0 or 1. In Java and C#, you can use the following construct: if ((a?1:0) + (b?1:0) + (c?1:0) + (d?1:0) == 3) ... share | ...