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How do you pass arguments to define_method?
...eference to prove this point doh! )
update 2018 August:
Summary article: https://blog.eq8.eu/til/metaprogramming-ruby-examples.html
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What is a git topic branch?
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https://github.com/dchelimsky/rspec/wiki/Topic-Branches explains this well:
A “topic” branch is a separate branch that you use when working on a single “topic” (a bug fix, a new feature, or an experimental idea). Wor...
How to properly seed random number generator
...typically set the seed inside of an init() block. They're documented here: http://golang.org/doc/effective_go.html#init
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Hidden features of Scala
...g pattern matching and extractors. Whenever you define a val or var, what comes after the keyword is not simply an identifier but rather a pattern. That's why this works:
val (a, b, c) = (1, 3.14159, "Hello, world")
The right hand expression creates a Tuple3[Int, Double, String] which can match...
How do I install and use curl on Windows?
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Assuming you got it from https://curl.haxx.se/download.html, just unzip it wherever you want. No need to install. If you are going to use SSL, you need to download the OpenSSL DLLs, available from curl's website.
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ERROR 2006 (HY000): MySQL server has gone away
... increase Max Allowed Packet
SET GLOBAL max_allowed_packet=1073741824;
http://dev.mysql.com/doc/refman/5.5/en/server-system-variables.html#sysvar_max_allowed_packet
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Disable scrolling on ``
...t")
input.addEventListener("mousewheel", function(event){ this.blur() })
http://jsfiddle.net/bQbDm/2/
For jQuery example and a cross-browser solution see related question:
HTML5 event listener for number input scroll - Chrome only
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Pythonic way to create a long multi-line string
...Just as with any string, anything between the starting and ending quotes becomes part of the string, so this example has a leading blank (as pointed out by @root45). This string will also contain both blanks and newlines.
I.e.,:
' this is a very\n long string if I had the\n energy to...
How to override to_json in Rails?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to print to stderr in Python?
...le=sys.stderr)
Long answer
print >> sys.stderr is gone in Python3.
http://docs.python.org/3.0/whatsnew/3.0.html says:
Old: print >> sys.stderr, "fatal error"
New: print("fatal error", file=sys.stderr)
For many of us, it feels somewhat unnatural to relegate the destination to the end...