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Jeppe Stig Nielsen

Copenhagen, Denmark

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Top Questions
89 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

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

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

38 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

25 votes

What does the cosmic neutrino background look like today, given that neutrinos possess mass?

cosmology big-bang neutrinos asked Jul 11 '16 at 15:34
physics.stackexchange.com

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Top Answers
519
Should 'using' directives be inside or outside the namespace?
stackoverflow.com

196
'Static readonly' vs. 'const'
stackoverflow.com

114
What is the difference between String and string in C#?
stackoverflow.com

104
Using lambda expression in place of IComparer argument
stackoverflow.com

100
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

67
Is it better to call ToList() or ToArray() in LINQ queries?
stackoverflow.com

61
What is a NullReferenceException, and how do I fix it?
stackoverflow.com

60
How to get full path of StreamWriter
stackoverflow.com

55
How to count the amount of concurrent threads in .NET application?
stackoverflow.com

47
Is there a difference between "throw" and "throw ex"?
stackoverflow.com

45
Comparing nullable DateTime?
stackoverflow.com

38
Format a number with commas and decimals in C# (asp.net MVC3)
stackoverflow.com

36
Detect if running as Administrator with or without elevated privileges?
stackoverflow.com

33
In Excel, when I enter 22222.09482 then I see 22222.0948199999 number in the formula bar
superuser.com

33
Why comparing two strings as object causes unexpected result
stackoverflow.com

31
The right way to compare a System.Double to '0' (a number, int?)
stackoverflow.com

30
Mocking generic methods in Moq without specifying T
stackoverflow.com

30
How many unique values are there between 0 and 1 of a standard float?
stackoverflow.com

29
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

29
Random DateTime between range - not unified output
stackoverflow.com

28
Are there any whole numbers which the double cannot represent within the MIN/MAX range of a double?
stackoverflow.com

28
What is the meaning of the planned "private protected" C# access modifier?
stackoverflow.com

27
When mocking a class with Moq, how can I CallBase for just specific methods?
stackoverflow.com

27
When does a space admit a flat metric?
math.stackexchange.com

26
How would you explain to a 9th grader the negative exponent rule?
math.stackexchange.com

23
LINQ equivalent of List<T>.Find()?
stackoverflow.com

23
When do you use scope without a statement in C#?
stackoverflow.com

22
GroupBy with Id of possible null object
stackoverflow.com

20
C# - increment number and keep zeros in front
stackoverflow.com

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