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How to generate a random string in Ruby
...random_string = SecureRandom.hex
# outputs: 5b5cd0da3121fc53b4bc84d0c8af2e81 (i.e. 32 chars of 0..9, a..f)
SecureRandom also has methods for:
base64
random_bytes
random_number
see: http://ruby-doc.org/stdlib-1.9.2/libdoc/securerandom/rdoc/SecureRandom.html
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What is the current state of the art in HTML canvas JavaScript libraries and frameworks? [closed]
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ericbowdenericbowden
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Difference between angle bracket < > and double quotes “ ” while including header files in C++? [dup
What is the difference between angle bracket < > and double quotes " " while including header files in C++?
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How do I add files without dots in them (all extension-less files) to the gitignore file?
...t's files of a ignored directory
Gitignore exclude certain files in all subdirectories
As Jakub Narębski comments, you might not want to ignore all extensionless files.
My advice:
add first the extensionless file that matters
then edit your .gitignore as shown above: the already versioned fi...
Create folder with batch but only if it doesn't already exist
... slash is sufficient for that? That seems to distinguish between files and directories correctly, but there is a weakness in that if the file is not detected, creation of the directory will fail. I suspect this is a problem with testing for NUL, too.
– jpmc26
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How can I remove all my changes in my SVN working directory?
...en modified. I seem to remember having trouble with revert when files and directories may have been added.
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Sort an Array by keys based on another Array?
... crmpicco
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answered Dec 8 '08 at 0:32
Eran GalperinEran Galperin
81.9...
Get names of all files from a folder with Ruby
...ippets exactly shows the name of the files inside a directory, skipping subdirectories and ".", ".." dotted folders:
Dir.entries("your/folder").select { |f| File.file? File.join("your/folder", f) }
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What is the difference between “git init” and “git init --bare”?
What is the different between git init and git init --bare ? I found that a lot of blog post requires --bare for their Git server?
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Convert a number range to another range, maintaining ratio
...ue = ( ( 10000 - -16000 ) / (16000 - -16000) ) * (100 - 0) + 0
= 81.25
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