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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
...ese are legal:
h = { :$in => array }
h = { :'a.b' => 'c' }
h[:s] = 42
but these are not:
h = { $in: array }
h = { 'a.b': 'c' } # but this is okay in Ruby2.2+
h[s:] = 42
You can also use anything as a key with => so you can do this:
h = { C.new => 11 }
h = { 23 => 'pancakes hous...
Will the base class constructor be automatically called?
Would the age of customer be 2? It seems like the base class's constructor will be called no matter what. If so, why do we need to call base at the end sometimes?
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C++ include and import difference
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Best way to parse RSS/Atom feeds with PHP [closed]
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27
Your other options include:
SimplePie
Last RSS
PHP Universal Feed Parser
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Using ZXing to create an Android barcode scanning app [duplicate]
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210
The ZXing project provides a standalone barcode reader application which — via Android's int...
How to exclude property from Json Serialization
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Apr 16 '12 at 6:37
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How do I add a new sourceset to Gradle?
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edited Jul 23 '12 at 13:43
answered Jul 20 '12 at 14:30
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How to design a database for User Defined Fields?
...cern, I would go with #6... a table per UDF (really, this is a variant of #2). This answer is specifically tailored to this situation and the description of the data distribution and access patterns described.
Pros:
Because you indicate that some UDFs
have values for a small portion of
the overal...
Jquery live() vs delegate() [duplicate]
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edited Aug 6 '12 at 15:14
answered Jan 2 '11 at 15:55
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Python extract pattern matches
Python 2.7.1
I am trying to use python regular expression to extract words inside of a pattern
9 Answers
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