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When I catch an exception, how do I get the type, file, and line number?
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David Cain
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answered Aug 14 '09 at 16:09
Ants AasmaAnts Aasma
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Pass variables to Ruby script via command line
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demasdemas
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84
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Is errno thread-safe?
...t can access the
per-thread error number as follows
(ISO/IEC 9945:1-1996, §2.4):
Some functions may provide the error number in a variable accessed
through the symbol errno. The symbol
errno is defined by including the
header , as specified by the
C Standard ... For each thread of ...
What is a None value?
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edited Jun 10 '16 at 5:42
Martijn Pieters♦
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How do I create an average from a Ruby array?
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260
Try this:
arr = [5, 6, 7, 8]
arr.inject{ |sum, el| sum + el }.to_f / arr.size
=> 6.5
Note...
Concatenating two lists - difference between '+=' and extend()
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edited May 13 '15 at 0:26
jesterjunk
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answered Sep 6 '10 at 1...
What are the differences between json and simplejson Python modules?
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json is simplejson, added to the stdlib. But since json was added in 2.6, simplejson has the advantage of working on more Python versions (2.4+).
simplejson is also updated more frequently than Python, so if you need (or want) the latest version, it's best to use simplejson itself, if possible...
How to check if the string is empty?
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edited Aug 7 '13 at 16:07
answered Mar 5 '12 at 20:10
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Override setter with arc
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edited Jan 6 '12 at 8:00
Evan
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answ...
What is the difference between save and insert in Mongo DB?
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answered Apr 25 '13 at 8:26
RahulRahul
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