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How to dynamic new Anonymous Class?
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75
Anonymous types are just regular types that are implicitly declared. They have little to do with...
Prompt for user input in PowerShell
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Peter Mortensen
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answered Nov 18 '11 at 15:35
RynantRynant
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How to open a file for both reading and writing?
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275
Here's how you read a file, and then write to it (overwriting any existing data), without closin...
Valid to use (anchor tag) without href attribute?
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answered May 9 '12 at 5:34
zzzzBovzzzzBov
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Difference between \A \z and ^ $ in Ruby regular expressions
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edited Oct 4 '13 at 19:05
akhanubis
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answered Fe...
Why Collections.sort uses merge sort instead of quicksort?
... java.util.Arrays.sort. On highly ordered data, this
code can run up to 25 times as fast as the current implementation (on
the HotSpot server VM). On random data, the speeds of the old and new
implementations are comparable. For very short lists, the new
implementation is substantially faste...
Keystore type: which one to use?
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answered Jul 18 '12 at 11:15
BrunoBruno
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Why does git revert complain about a missing -m option?
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CB BaileyCB Bailey
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Float vs Decimal in ActiveRecord
... you do this:
irb:001:0> "%.47f" % (1.0/10)
=> "0.10000000000000000555111512312578270211815834045" # not "0.1"!
whereas if you just do
irb:002:0> (1.0/10).to_s
=> "0.1" # the interprer rounds the number for you
So if you are dealing with small fractions, like compounding interests...
Difference between Document-based and Key/Value-based databases?
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75
The main differences are the data model and the querying capabilities.
Key-value stores
The fi...