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How to debug Ruby scripts [closed]
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Then add:
require 'pry'; binding.pry
into your program.
As of pry 0.12.2 however, there are no navigation commands such as next, break, etc. Some other gems additionally provide this, see for example pry-byedebug.
shar...
Using parameters in batch files at Windows command line
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287
As others have already said, parameters passed through the command line can be accessed in bat...
Ruby on Rails: How can I revert a migration with rake db:migrate?
...nt to revert.
eg. if you want to revert a migration with file name 3846656238_create_users.rb
rake db:migrate:down VERSION=3846656238
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foll...
Automatically plot different colored lines
... a colormap such as HSV to generate a set of colors. For example:
cc=hsv(12);
figure;
hold on;
for i=1:12
plot([0 1],[0 i],'color',cc(i,:));
end
MATLAB has 13 different named colormaps ('doc colormap' lists them all).
Another option for plotting lines in different colors is to use the Line...
What are 'get' and 'set' in Swift?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jul 11 '14 at 13:55
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Underscore: sortBy() based on multiple attributes
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251
sortBy says that it is a stable sort algorithm so you should be able to sort by your second pr...
WPF: Setting the Width (and Height) as a Percentage Value
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answered Apr 4 '09 at 16:24
gcoresgcores
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C# Sort and OrderBy comparison
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92
Why not measure it:
class Program
{
class NameComparer : IComparer<string>
{
...
What is the GAC in .NET?
...ssembly
C:\Windows\assembly>dir
Directory of C:\Windows\assembly
07/20/2009 02:18 PM <DIR> GAC
06/17/2009 04:22 PM <DIR> GAC_32
06/17/2009 04:22 PM <DIR> GAC_64
06/17/2009 04:22 PM <DIR> GAC_MSIL
...snip...
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Why is a round-trip conversion via a string not safe for a double?
... *dst = 0;
}
}
It turns out that _ecvt returns the string 845512408225570.
Notice the trailing zero? It turns out that makes all the difference!
When the zero is present, the result actually parses back to 0.84551240822557006, which is your original number -- so it compares equal, and h...