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Are static fields open for garbage collection?
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113
Static variables cannot be elected for garbage collection while the class is loaded. They can ...
Why is setTimeout(fn, 0) sometimes useful?
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17 Answers
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How do I declare and assign a variable on a single line in SQL
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185
Here goes:
DECLARE @var nvarchar(max) = 'Man''s best friend';
You will note that the ' is e...
What's the 'environment' task in Rake?
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121
You can get access to your models, and in fact, your whole environment by making tasks depende...
How to parse a JSON string to an array using Jackson
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175
I finally got it:
ObjectMapper objectMapper = new ObjectMapper();
TypeFactory typeFactory = o...
What are the advantages of NumPy over regular Python lists?
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741
NumPy's arrays are more compact than Python lists -- a list of lists as you describe, in Python,...
How to upgrade Git to latest version on macOS?
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15 Answers
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RSpec: describe, context, feature, scenario?
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150
The context is an alias for describe, so they are functionally equivalent. You can use them in...
Are “elseif” and “else if” completely synonymous?
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edited Sep 7 '10 at 20:40
answered Sep 7 '10 at 20:25
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If string is empty then return some default value
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edited Feb 2 '11 at 5:59
answered Jan 27 '11 at 19:24
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