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What is a unix command for deleting the first N characters of a line?
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AnkurAnkur
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Python try…except comma vs 'as' in except
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The definitive document is PEP-3110: Catching Exceptions
Summary:
In Python 3.x, using as is required to assign an exception to a variable.
In Python 2.6+, use the as syntax, since it is far less ambiguous and forward compatible with Python 3.x.
In Pytho...
Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
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TomDunning
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answered Apr 23 '10 at 4:15
Ryan BiggRyan Bigg
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Method to Add new or update existing item in Dictionary
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answered Nov 22 '10 at 11:50
ulrichbulrichb
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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
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edited Dec 9 '18 at 11:38
Jeremie Ges
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Turn off constraints temporarily (MS SQL)
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edited Jun 22 '11 at 14:53
Brian Gideon
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Is it possible to execute code once before all tests run?
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edited Mar 9 '17 at 11:18
AakashM
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How to get position of a certain element in strings vector, to use it as an index in ints vector?
...r arithmetic can be applied to vector iterators as well.
Starting with C++11 you can use std::distance in place of subtraction for both iterators and pointers:
ptrdiff_t pos = distance(Names.begin(), find(Names.begin(), Names.end(), old_name_));
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How do I check for a network connection?
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edited Aug 27 '11 at 3:51
answered Feb 6 '09 at 13:53
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Get the first N elements of an array?
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corbachocorbacho
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