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Top Questions
25
votes
Complexity of "is a graph a product"
cc.complexity-theory
graph-algorithms
asked Mar 30, 2012 at 8:24
cstheory.stackexchange.com
22
votes
Why did Kolmogorov publish Karatsuba's algorithm?
ho.history-overview
asked Mar 15, 2014 at 21:52
cstheory.stackexchange.com
22
votes
Complexity of intersection of regular languages as context-free grammars
fl.formal-languages
regular-language
context-free
asked Jul 4, 2014 at 7:01
cstheory.stackexchange.com
20
votes
What are the two closest countries that do not share a border?
borders
factoids
countries
asked Mar 31, 2014 at 12:58
travel.stackexchange.com
18
votes
JSON-encoding very long iterators
python
json
asked Oct 1, 2012 at 9:11
stackoverflow.com
17
votes
Can regular expressions be made unambiguous?
formal-languages
asked Nov 7, 2010 at 8:38
mathoverflow.net
16
votes
How can US citizens not residing in the US visit the White House?
legal
us-citizens
asked Jul 8, 2015 at 11:38
expatriates.stackexchange.com
15
votes
Three-space jump on third line: how to connect?
go
asked Jun 26, 2012 at 9:33
boardgames.stackexchange.com
13
votes
Origin of $\mapsto$ notation
notation
math-history
asked Jul 25, 2013 at 23:10
math.stackexchange.com
13
votes
Is a card without name valid for Deutsche Bahn online tickets?
tickets
money
deutsche-bahn
asked May 28, 2014 at 10:30
travel.stackexchange.com
1
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Top Answers
292
How do you know if Americans genuinely/literally mean what they say?
travel.stackexchange.com
61
How does virtualenv work?
stackoverflow.com
48
Overstayed my US visa for over 9 years, never got deported, can I return as a tourist?
travel.stackexchange.com
35
Not flying the first leg of the journey – Company cancels the second-leg ticket
travel.stackexchange.com
29
A swim to die for — where in the world can I do one?
travel.stackexchange.com
27
Can I decline an alternative ticket handed at an airline's check-in counter in case of an emergency?
travel.stackexchange.com
20
What are some problems where we know we have an optimal algorithm?
cstheory.stackexchange.com
19
Why are plane tickets more expensive if they don't include a weekend?
travel.stackexchange.com
18
Non-seafood food options in Tokyo?
travel.stackexchange.com
18
Should I learn to use LaTeX to write up a History Masters Thesis?
academia.stackexchange.com
18
In an international airport, is there specific set of laws for the international area?
travel.stackexchange.com
16
Can you write "Mi baldaŭ foriras" instead of "Mi baldaŭ foriros"?
esperanto.stackexchange.com
16
Most memorable titles
mathoverflow.net
15
Where is the Asia-Europe divide and where can we cross it?
travel.stackexchange.com
14
What happened to the letter ĥ during the evolution of Esperanto from Zamenhof to our times?
esperanto.stackexchange.com
13
How do you say "you all" in Esperanto?
esperanto.stackexchange.com
13
Are there any counterintuitive results in theoretical computer science?
cstheory.stackexchange.com
12
What are the two closest countries that do not share a border?
travel.stackexchange.com
12
How to manage the structure of a masters thesis and what mistakes to look out for?
academia.stackexchange.com
11
Esperanto and LaTeX
esperanto.stackexchange.com
10
Is it possible to test if a computable number is rational or integer?
cstheory.stackexchange.com
10
Why are so few operations with arity bigger than 2?
mathoverflow.net
10
Between mu- and primitive recursion
mathoverflow.net
10
Is a card without name valid for Deutsche Bahn online tickets?
travel.stackexchange.com
9
Can a single bad letter of recommendation ruin my chances of getting admitted to grad school?
academia.stackexchange.com
8
Kiel traduki Esperante tiun ĉi ludkarton?
esperanto.stackexchange.com
8
Can I bring a big wooden sword as carry on in a plane?
travel.stackexchange.com
8
What's new in compiler optimization techniques over last few years?
cstheory.stackexchange.com
8
Haskell data type fields
stackoverflow.com
7
Can one export spices and teff flour from Ethiopia?
travel.stackexchange.com
1
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