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Difference between map and collect in Ruby?
...patchy / contradictory opinions - is there actually any difference between doing a map and doing a collect on an array in Ruby/Rails?
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How do I delete all untracked files from my working directory in Mercurial?
...d this to your mercurial settings file (.hgrc on Unix, Mercurial.ini on Windows)
[extensions]
purge =
To enable this extension temporarily you can use
hg purge --config extensions.purge=
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How does Duff's device work?
I've read the article on Wikipedia on the Duff's device , and I don't get it. I am really interested, but I've read the explanation there a couple of times and I still don't get it how the Duff's device works.
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How do you post to an iframe?
How do you post data to an iframe?
4 Answers
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How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?
How do I implement the following (Python pseudocode) in C++?
21 Answers
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Why do you program in assembly? [closed]
...ore low level hackers out there. I ran across this sentence in a blog. I don't really think the source matters (it's Haack if you really care) because it seems to be a common statement.
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How do I know if a generator is empty from the start?
...ting my own "fancy decorator" suggestion. HARD. Apparently copy.deepcopy doesn't work on generators.
– David Berger
Mar 19 '09 at 19:50
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How can I have ruby logger log output to stdout as well as file?
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You can write a pseudo IO class that will write to multiple IO objects. Something like:
class MultiIO
def initialize(*targets)
@targets = targets
end
def write(*args)
@targets.each {|t| t.write(*args)}
end
def close
@t...
How can I check whether a option already exist in select by JQuery
...plemented in the above solution? Would this required a $.each for the drop down list?
– Ben Sewards
Jan 3 '13 at 18:20
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How do I overload the square-bracket operator in C#?
DataGridView, for example, lets you do this:
8 Answers
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