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What is the _snowman param in Ruby on Rails 3 forms for?
In Ruby on Rails 3 (currently using Beta 4), I see that when using the form_tag or form_for helpers there is a hidden field named _snowman with the value of ☃ ( Unicode \x9731) showing up.
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How to convert a dictionary to query string in Python?
After using cgi.parse_qs() , how to convert the result (dictionary) back to query string? Looking for something similar to urllib.urlencode() .
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Window Height=“Auto” not working as expected
What I am trying to do is show a window, that does not explicitly have a height/width, (both values omitted or set to Auto ).
I was guessing that the window would find out its size by auto - calculating all contained usercontrols sizes, but this doesn't actually work!
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Python OpenCV2 (cv2) wrapper to get image size?
How to get the size of an image in cv2 wrapper in Python OpenCV (numpy). Is there a correct way to do that other than numpy.shape() . How can I get it in these format dimensions: (width, height) list?
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Parsing IPv6 extension headers containing unknown extensions
I'm writing a very simple net filter, and getting to where I want to parse IPv6 headers to match things like ICMPv6 types, TCP/UDP port numbers, etc.
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How can I access an internal class from an external assembly?
Having an assembly which I cannot modify (vendor-supplied) which have a method returning an object type but is really of an internal type.
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Cross-referencing commits in github
I'd like to reference commits in other repos (in this case submodules) in the github issues of my main repo. Is it possible to do so without typing the full hyperlink in a way similar to how github creates a shortened hyperlink from the commit number?
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Why does Clojure have “keywords” in addition to “symbols”?
I have a passing knowledge of other Lisps (particularly Scheme) from way back. Recently I've been reading about Clojure . I see that it has both "symbols" and "keywords". Symbols I'm familiar with, but not with keywords.
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Drop a temporary table if it exists
I have two lines of code in SQL that create two tables on the fly, i need to do something like
3 Answers
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Where is nodejs log file?
I can't find a place where nodejs log file is stored.
Because in my node server I have "Segmentation fault", I want to look at log file for additional info...
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