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How can I get a count of the total number of digits in a number?
...ointed out in the comment section, the LOG10 method had to be fixed with a casting to double inside Math.Abs() for the case when the input value is int.MinValue or long.MinValue.
Regarding the early performance tests I've implemented before editing this question (it had to be edited a million times...
How to count the number of set bits in a 32-bit integer?
...entation-defined for negative values. The argument needs to be changed (or cast) to unsigned, and since the code is 32-bit-specific, it should probably be using uint32_t.
– R.. GitHub STOP HELPING ICE
May 14 '11 at 21:55
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How to convert DateTime? to DateTime
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You can use a simple cast:
DateTime dtValue = (DateTime) dtNullAbleSource;
As Leandro Tupone said, you have to check if the var is null before
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Convert String to System.IO.Stream [duplicate]
...tream. MemoryStream inherits from Stream, just like FileStream. So you can cast them as Stream...
– Marco
Nov 8 '11 at 7:31
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Correct way to override Equals() and GetHashCode() [duplicate]
...s a RecommendationDTO.
// The initial null check is unnecessary as the cast will result in null
// if obj is null to start with.
var recommendationDTO = obj as RecommendationDTO;
if (recommendationDTO == null)
{
// If it is null then it is not equal to this instance.
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using statement with multiple variables [duplicate]
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Then declare the variables as IDisposable and cast later?
– Robert Jørgensgaard Engdahl
May 7 '15 at 8:17
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What is &&& operation in C
... used sometimes for defaults. Example: void fn(type& x = *reinterpret_cast<type*>(NULL)); What is the value of &x in fn if fn is called without parameters? It's 0 a.k.a. false. However, using it the way described, it'll always be true unless i == 0, and if one was using it as I des...
Would it be beneficial to begin using instancetype instead of id?
...eclare fileHandleWithStandardOutput as returning an instancetype. Then the cast or assignment isn't necessary.
(Note that on iOS, this example won't produce an error as only NSFileHandle provides a writeData: there. Other examples exist, such as length, which returns a CGFloat from UILayoutSupport ...
What exactly is a C pointer if not a memory address?
... address, they do not just mean that you can coerce data into a pointer by casting an integer into a pointer. They mean the compiler might be using something other than memory addresses to implement pointers. On the Alpha processor with DEC’s ABI, a function pointer was not the address of the func...
std::function vs template
... in cases with binding, there's a chunk of code which does the adaptation, selected by a code ptr in the function obj, and which picks up data (bound parms) from the function obj (d) the 'bound' function may be inlined into that adaptor, if the compiler can see it.
– greggo
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