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In C#, why is String a reference type that behaves like a value type?
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341
Strings aren't value types since they can be huge, and need to be stored on the heap. Value ty...
In which order should floats be added to get the most precise result?
...es things somewhat. Consider the case where we're adding single-precision (32 bit) floats, and there are 1 billion values equal to 1 / (1 billion), and one value equal to 1. If the 1 comes first, then the sum will come to 1, since 1 + (1 / 1 billion) is 1 due to loss of precision. Each addition has ...
CSS background image alt attribute
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136
Background images sure can present data! In fact, this is often recommended where presenting v...
How to elegantly rename all keys in a hash in Ruby? [duplicate]
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ages = { 'Bruce' => 32, 'Clark' => 28 }
mappings = { 'Bruce' => 'Bruce Wayne', 'Clark' => 'Clark Kent' }
ages.transform_keys(&mappings.method(:[]))
#=> { 'Bruce Wayne' => 32, 'Clark Kent' => 28 }
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Get selected text from a drop-down list (select box) using jQuery
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34 Answers
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How do I check if a type provides a parameterless constructor?
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edited Apr 23 '13 at 12:01
answered Jan 13 '11 at 14:26
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Integrating Dropzone.js into existing HTML form with other fields
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edited Aug 24 '16 at 12:33
slawekwin
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answered M...
How do I get the path of the Python script I am running in? [duplicate]
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493
os.path.realpath(__file__) will give you the path of the current file, resolving any symlinks in...
Get the position of a div/span tag
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answered Nov 13 '08 at 23:11
nickfnickf
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