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Why is my program slow when looping over exactly 8192 elements?
...am in question. The matrix img[][] has the size SIZE×SIZE, and is initialized at:
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Error installing mysql2: Failed to build gem native extension
...running bundle install or gem install mysql2 it gives me the following error:
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How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]
I'm getting a datetime string in a format like "2009-05-28T16:15:00" (this is ISO 8601, I believe). One hackish option seems to be to parse the string using time.strptime and passing the first six elements of the tuple into the datetime constructor, like:
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How to generate all permutations of a list?
...ateen Ulhaq
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answered Sep 19 '08 at 18:43
Eli BenderskyEli Bendersky
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Where is nodejs log file?
... log file. Each node.js "app" is a separate entity. By default it will log errors to STDERR and output to STDOUT. You can change that when you run it from your shell to log to a file instead.
node my_app.js > my_app_log.log 2> my_app_err.log
Alternatively (recommended), you can add logging ...
Eclipse executable launcher error: Unable to locate companion shared library
...am files have completely disappeared. When I try to reinstall it, I get an error message that says
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How to get all subsets of a set? (powerset)
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How can I generate Unix timestamps?
Related question is "Datetime To Unix timestamp", but this question is more general.
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How to print out a variable in makefile
...so pointed by 'bobbogo' in the below answer,
you can use info / warning / error to display text.
$(error text…)
$(warning text…)
$(info text…)
To print variables,
$(error VAR is $(VAR))
$(warning VAR is $(VAR))
$(info VAR is $(VAR))
'error' would stop the make execution, after...
Namespace not recognized (even though it is there)
I am getting this error:
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