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What are the special dollar sign shell variables?
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$1, $2, $3, ... are the positional parameters.
"$@" is an array-like construct of all positi...
Can we write our own iterator in Java?
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answered May 1 '11 at 15:03
T.J. CrowderT.J. Crowder
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How to set child process' environment variable in Makefile
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Make variables are not exported into the environment of processes make invokes... by default. ...
MongoDB: Find a document by non-existence of a field?
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Get String in YYYYMMDD format from JS date object?
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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
...ference between :key => "value" (hashrocket) and key: "value" (Ruby 1.9) notations?
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pip issue installing almost any library
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I found it sufficient to specify the pypi host as trusted. Example:
pip install --trusted-ho...
How do I get the row count of a pandas DataFrame?
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SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu
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