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Jeppe Stig Nielsen
Copenhagen, Denmark
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Top Questions
88
votes
Should the hash code of null always be zero, in .NET
c#
.net
hash
null
asked May 23 '12 at 15:43
stackoverflow.com
86
votes
Do short-circuiting operators || and && exist for nullable booleans? The RuntimeBinder sometimes thinks so
c#
nullable
logical-operators
short-circuiting
dynamictype
asked Dec 16 '14 at 16:11
stackoverflow.com
59
votes
Serious bugs with lifted/nullable conversions from int, allowing conversion from decimal
c#
.net
nullable
implicit-conversion
compiler-bug
asked Aug 20 '13 at 18:55
stackoverflow.com
43
votes
No warning or error (or runtime failure) when contravariance leads to ambiguity
c#
.net
undefined-behavior
contravariance
ambiguity
asked Nov 26 '12 at 15:51
stackoverflow.com
42
votes
Bug in the string comparing of the .NET Framework
c#
.net
sorting
string-comparison
asked Nov 6 '12 at 15:26
stackoverflow.com
41
votes
Changed behavior of string.Empty (or System.String::Empty) in .NET 4.5
c#
.net
.net-4.5
readonly
empty-string
asked May 17 '13 at 21:36
stackoverflow.com
37
votes
Does the C# compiler get the Color Color rule wrong with const type members?
c#
language-lawyer
member-access
asked Feb 27 '15 at 21:57
stackoverflow.com
30
votes
Why does the default string comparer fail to maintain transitive consistency?
c#
.net
string
sorting
string-comparison
asked Apr 15 '14 at 15:21
stackoverflow.com
28
votes
A number $n$ which is the sum of all numbers $k$ with $\sigma(k)=n$?
elementary-number-theory
divisor-sum
experimental-mathematics
asked Jan 30 '15 at 20:41
math.stackexchange.com
23
votes
When is a giraffe not a giraffe?
c#
programming-puzzle
asked Aug 1 '13 at 15:58
codegolf.stackexchange.com
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Top Answers
479
Should 'using' directives be inside or outside the namespace?
stackoverflow.com
188
'Static readonly' vs. 'const'
stackoverflow.com
111
What is the difference between String and string in C#?
stackoverflow.com
94
Using lambda expression in place of IComparer argument
stackoverflow.com
89
How do I convert an enum to a list in C#?
stackoverflow.com
71
Why does the C# compiler not fault code where a static method calls an instance method?
stackoverflow.com
61
What is a NullReferenceException, and how do I fix it?
stackoverflow.com
60
Is it better to call ToList() or ToArray() in LINQ queries?
stackoverflow.com
51
How to count the amount of concurrent threads in .NET application?
stackoverflow.com
51
How to get full path of StreamWriter
stackoverflow.com
44
Is there a difference between “throw” and “throw ex”?
stackoverflow.com
43
Comparing nullable DateTime?
stackoverflow.com
36
format a number with commas and decimals in C# (asp.net MVC3)
stackoverflow.com
34
Detect if running as Administrator with or without elevated privileges?
stackoverflow.com
33
Why comparing two strings as object causes unexpected result
stackoverflow.com
32
In Excel, when I enter 22222.09482 then I see 22222.0948199999 number in the formula bar
superuser.com
30
How many unique values are there between 0 and 1 of a standard float?
stackoverflow.com
29
Random DateTime between range - not unified output
stackoverflow.com
28
What is the meaning of the planned “private protected” C# access modifier?
stackoverflow.com
27
T must be a non-abstract type with a public parameterless constructor in order to use it as parameter 'TModel' in the generic type or method
stackoverflow.com
27
The right way to compare a System.Double to '0' (a number, int?)
stackoverflow.com
26
Mocking generic methods in Moq without specifying T
stackoverflow.com
25
Are there any whole numbers which the double cannot represent within the MIN/MAX range of a double?
stackoverflow.com
25
When does a space admit a flat metric?
math.stackexchange.com
25
How would you explain to a 9th grader the negative exponent rule?
math.stackexchange.com
23
When do you use scope without a statement in C#?
stackoverflow.com
21
LINQ equivalent of List<T>.Find()?
stackoverflow.com
20
GroupBy with Id of possible null object
stackoverflow.com
20
C# - increment number and keep zeros in front
stackoverflow.com
20
When mocking a class with Moq, how can I CallBase for just specific methods?
stackoverflow.com
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