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How to check if field is null or empty in MySQL?
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answered Jul 24 '13 at 11:39
juergen djuergen d
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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...
Why use strong named assemblies?
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92
Let me list the benefits of strong naming your assembly first:
Strong naming your assembly all...
Sending a notification from a service in Android
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edited Apr 29 '16 at 21:49
Martin Zeitler
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How do I check out a specific version of a submodule using 'git submodule'?
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Why does sed not replace all occurrences?
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GIT repository layout for server with multiple projects
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How do I check for last loop iteration in Django template?
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Create array of symbols
...original answer was written back in September '11, but, starting from Ruby 2.0, there is a shorter way to create an array of symbols! This literal:
%i[address city state postal country]
will do exactly what you want.
shar...