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what is the difference between ?:, ?! and ?= in regex?
...sitive look behind
?<! is for negative look behind
Please check here: http://www.regular-expressions.info/lookaround.html for very good tutorial and examples on lookahead in regular expressions.
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Does the GitHub traffic graph include your own views?
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Easiest way to check for an index or a key in an array?
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How to find index of list item in Swift?
I am trying to find an item index by searching a list . Does anybody know how to do that?
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Difference between FOR and AFTER triggers?
...ng statements. INSTEAD OF cannot be specified for DDL or logon triggers.
https://docs.microsoft.com/en-us/sql/t-sql/statements/create-trigger-transact-sql
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Tricks to manage the available memory in an R session
What tricks do people use to manage the available memory of an interactive R session? I use the functions below [based on postings by Petr Pikal and David Hinds to the r-help list in 2004] to list (and/or sort) the largest objects and to occassionally rm() some of them. But by far the most effect...
Proper REST response for empty table?
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How to execute ipdb.set_trace() at will while running pytest tests
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JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
When running any java application, or just 'java', the jvm fails:
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How to properly ignore exceptions
...th suppress(Exception):
# your code
Here's the commit that added it: http://hg.python.org/cpython/rev/406b47c64480
And here's the author, Raymond Hettinger, talking about this and all sorts of other Python hotness: https://youtu.be/OSGv2VnC0go?t=43m23s
My addition to this is the Python 2.7 e...