Why does hash[:symbol]++ not increase the value of :symbol by one?
135810
Why doesn't Ruby support i++ or i--​ (increment/decrement operators)?
63824
Getting hash with symbol as keys for mongo in rails
79458
Why sizeof(x++) does not increment the variable x value
26950
Is there a string that's hash is equal to itself?
42605
Is there a technical reason to use > (<) instead of != when incrementing by 1 in a 'for' loop?
138427
What decodes my encoded hash symbol(%23)?
100132
What does the "+=" operator do in Java?
69526
What does "<<-" mean in Ruby?
34842
Why does string interpolation work in Ruby when there are no curly braces?
37207
Understanding strange Java hash function
96849
What does =~ do in Perl?
1567
In C++11, does `i += ++i + 1` exhibit undefined behavior?
50029
Is it safe to use file's hash as IV?
14779
How do ${0##*/} and ${0%/*} work?
58603
Converting an array of hashes to ONE hash in Ruby
132155
How to understand symbols in Ruby
137638
Why does ++[[]][+[]]+[+[]] return the string "10"?