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How to get my IP address programmatically on iOS/macOS?
...he case where sa_type == AF_INET6, you're taking the IPv6 address and type-casting it to IPv4 and turning that to a string (basically from the high 32 bits of the 128-bit address.)
– Jens Alfke
Oct 9 '13 at 21:16
...
Quickest way to convert a base 10 number to any base in .NET?
...ToStringFast(int value, char[] baseChars)
{
// 32 is the worst cast buffer size for base 2 and int.MaxValue
int i = 32;
char[] buffer = new char[i];
int targetBase= baseChars.Length;
do
{
buffer[--i] = baseChars[value % targetBase];
...
Why are C# interface methods not declared abstract or virtual?
...he class' v-table, each slot has a pointer to one of the virtual methods. Casting an object to an interface type generates a pointer to the section of the table that implements the interface methods. The client code that uses the interface reference now sees the first interface method pointer at o...
Are the shift operators () arithmetic or logical in C?
...try to perform my bit shifts using unsigned values, even if it means using casts to get there.
– Michael Burr
Apr 15 '15 at 7:11
2
...
C++ Tuple vs Struct
...ayout is implementation defined so not compatible (and thus you should not cast between either representation) and in general I would expect no difference performance-wise (at least in Release) thanks to the inlining of get<N>.
...
Getting RAW Soap Data from a Web Reference Client running in ASP.net
...ream in ChainStream, and MemoryStream does allow seek operations. (I tried casting the ConnectStream to MemoryStream - wasn't allow.)
So ..... Microsoft should either allow seek operations on the ChainStream type or make the SoapMessage.Stream truly a read-only copy as it's supposed to be. (Write y...
Just what is an IntPtr exactly?
...sic pointer arithmetic.
In order to dereference an IntPtr, you can either cast it to a true pointer (an operation which can only be performed in "unsafe" contexts) or you can pass it to a helper routine such as those provided by the InteropServices.Marshal class. Using the Marshal class gives the i...
Is it possible to set a number to NaN or infinity?
...
Cast from string using float():
>>> float('NaN')
nan
>>> float('Inf')
inf
>>> -float('Inf')
-inf
>>> float('Inf') == float('Inf')
True
>>> float('Inf') == 1
False
...
How do DATETIME values work in SQLite?
...orted as integers in databases, flat files, etc. You do a little math and cast it into another type and you can format the date anyway you want.
Doing it this way, you don't have to worry when [insert current favorite database here] is replaced with [future favorite database] which coincidentall...
Calling C++ class methods via a function pointer
...he parameter is normally LPARAM or similar rather than a pointer, and some casting is needed.
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