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How do I specify local .gem files in my Gemfile?
...-1 ref
gem "foreman", git: "git://github.com/pje/foreman.git", ref: "bf648a070c"
# ...or branch
gem "foreman", git: "git://github.com/pje/foreman.git", branch: "jruby"
# ...or tag
gem "foreman", git: "git://github.com/pje/foreman.git", tag: "v0.45.0"
(As @JHurrah mentioned in his comment.)
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How to 'grep' a continuous stream?
...em with tail -f | grep, and --line-buffered solves it for me (on Ubuntu 14.04, GNU grep version 2.16). Where is the "use line buffering if stdout is a tty" logic implemented? In git.savannah.gnu.org/cgit/grep.git/tree/src/grep.c, line_buffered is set only by the argument parser.
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How do I use floating-point division in bash?
... am trying to divide two image widths in a Bash script, but bash gives me 0 as the result:
18 Answers
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Reasons for using the set.seed function
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270
The need is the possible desire for reproducible results, which may for example come from trying...
Convert integer into byte array (Java)
...ptional, the initial order of a byte buffer is always BIG_ENDIAN.
b.putInt(0xAABBCCDD);
byte[] result = b.array();
Setting the byte order ensures that result[0] == 0xAA, result[1] == 0xBB, result[2] == 0xCC and result[3] == 0xDD.
Or alternatively, you could do it manually:
byte[] toBytes(int i)...
Getting the index of the returned max or min item using max()/min() on a list
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edited Oct 27 '13 at 20:10
Gaurav Agarwal
16.5k2727 gold badges9696 silver badges152152 bronze badges
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How to run a single RSpec test?
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answered Feb 10 '19 at 12:08
emcemc
33022 silver badges55 bronze badges
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DbEntityValidationException - How can I easily tell what caused the error?
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+200
The easiest solution is to override SaveChanges on your entities class. You can catch the DbEntityValidationException, unwrap the act...
Is there a way to take a screenshot using Java and save it to some sort of image?
...eateScreenCapture(screenRect);
ImageIO.write(capture, "bmp", new File(args[0]));
NOTE: This will only capture the primary monitor. See GraphicsConfiguration for multi-monitor support.
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impr...
How to prevent blank xmlns attributes in output from .NET's XmlDocument?
...cument();
xml.AppendChild(xml.CreateElement("root", "whatever:name-space-1.0"));
xml.DocumentElement.AppendChild(xml.CreateElement("loner", "whatever:name-space-1.0"));
Console.WriteLine(xml.OuterXml);
Thanks everyone to all your answers which led me in the right direction!
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