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How to read lines of a file in Ruby
...d "\n" before parsing the lines.
To support the "\r" EOL character along with the regular "\n", and "\r\n" from Windows, here's what I would do:
line_num=0
text=File.open('xxx.txt').read
text.gsub!(/\r\n?/, "\n")
text.each_line do |line|
print "#{line_num += 1} #{line}"
end
Of course this coul...
How to create duplicate allowed attributes
I'm using a custom attribute inherited from an attribute class. I'm using it like this:
6 Answers
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Git file permissions on Windows
I've read through a few questions regarding file permissions in Git and I'm still a bit confused. I've got a repo on GitHub forked from another. Post merge, they should be identical. However:
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Python memory usage of numpy arrays
...so I've been using sys.getsizeof() to try and keep track of the usage, but it's behaviour with numpy arrays is bizarre. Here's an example involving a map of albedos that I'm having to open:
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How does “304 Not Modified” work exactly?
My guess, if it's generated by the browser:
2 Answers
2
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Add a column to existing table and uniquely number them on MS SQL Server
I want to add a column to an existing legacy database and write a procedure by which I can assign each record a different value. Something like adding a column and autogenerate the data for it.
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Is this the right way to clean-up Fragment back stack when leaving a deeply nested stack?
I'm using the Android Compatibility library to implement fragments and have extended the layout sample so that a fragment contains a button which fires off another fragment.
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How do I base64 encode (decode) in C?
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edited Jan 10 '14 at 11:13
user2859193
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ans...
Intelli J IDEA takes forever to update indices
Is it normal for Intelli J to take a lot of time (almost 12 hours) to update indices for a project? I just installed Intelli J on my machine and imported a rather large Maven project (13k+ files).
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Persistent invalid graphics state error when using ggplot2
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I ran into this same error and solved it by running:
dev.off()
and then running the plot again. I think the graphics device was messed up earlier somehow by exporting some graphics and it didn't get reset. This worked for me and it's simpler than reinstalling...