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Is if(items != null) superfluous before foreach(T item in items)?
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edited Jun 23 '11 at 14:35
answered Jun 23 '11 at 14:16
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MySQL Great Circle Distance (Haversine formula)
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edited Mar 3 '14 at 19:38
Yahel
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a...
Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
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Eric
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answered Apr 20 '11 at 17:59
Nick KlineNick Kline...
Timeout expired. The timeout period elapsed prior to completion of the operation or the server is no
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edited May 23 '17 at 11:47
Community♦
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answered Dec 22 '11 at 11:18
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What's the difference between equal?, eql?, ===, and ==?
...things like:
case some_object
when /a regex/
# The regex matches
when 2..4
# some_object is in the range 2..4
when lambda {|x| some_crazy_custom_predicate }
# the lambda returned true
end
See my answer here for a neat example of how case+Regex can make code a lot cleaner. And of course, by pr...
Is there a way to escape a CDATA end token in xml?
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141
Clearly, this question is purely academic. Fortunately, it has a very definite answer.
You cann...
Understanding Python super() with __init__() methods [duplicate]
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edited Nov 21 '19 at 16:04
Neuron
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answered Feb ...
Is it possible in Java to catch two exceptions in the same catch block? [duplicate]
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204
Java 7 and later
Multiple-exception catches are supported, starting in Java 7.
The syntax is:
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How to find all occurrences of an element in a list?
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answered Jun 9 '11 at 14:13
Sven MarnachSven Marnach
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Do try/catch blocks hurt performance when exceptions are not thrown?
During a code review with a Microsoft employee we came across a large section of code inside a try{} block. She and an IT representative suggested this can have effects on performance of the code. In fact, they suggested most of the code should be outside of try/catch blocks, and that only importa...