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How to log a method's execution time exactly in milliseconds?
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const uint64_t elapsedMTU = endTime - startTime;
// Get information for converting from MTU to nanoseconds
mach_timebase_info_data_t info;
if (mach_timebase_info(&info))
handleErrorConditionIfYoureBeingCareful();
// Get elapsed time in nanoseconds:
const double elapsedNS = (double)elapsed...
Efficient way to determine number of digits in an integer
...fectly precise unless specified on the compiler command line. some will be converted to x86 intrinsics at compile time. some don't exist and will expand into formulas of existing intrinsics. for example if using -fpfast you could see usage of SSE instrinsics rather than x87, which yields less guaran...
Swift - Cast Int into enum:Int
...er has changed. Earlier version of Swift use the class method fromRaw() to convert raw values to enumerated values.
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What is a “surrogate pair” in Java?
... does not support UTF-32
"????".equals("\u1F309") // false
3. You can convert Unicode character to Java String
"????".equals(new String(Character.toChars(0x0001F309))) //true
4. String.substring() does not consider supplementary characters
"????????".substring(0,1) //"?"
"????????".substri...
Equation for testing if a point is inside a circle
... x, 2) + Math.Pow(center_y - y, 2))
return D <= radius
that's in C#...convert for use in python...
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What do 3 dots next to a parameter type mean in Java?
... @OlleSöderström Another reason is that the formal parameter is converted to be an array at compile-time. That means that passing in an array yields the same result. Since an array's length is not known at compile time, the restriction to pass at least one element could be bypassed by sim...
string to string array conversion in java
I have a string = "name";
I want to convert into a string array.
How do I do it?
Is there any java built in function? Manually I can do it but I'm searching for a java built in function.
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Flatten an Array of Arrays in Swift
... as it returns a lazy collection instead of a new array, but can always be converted to an array when passed to Array() initialiser like in the example above.
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How do you compare two version Strings in Java?
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converted on Kotlin stackoverflow.com/a/61795721/6352712
– Serg Burlaka
May 14 at 13:04
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Undefined reference to static class member
...it (1) can be used as an lvalue only if it has been defined but (2) can be converted to an rvalue without being defined?
– j_random_hacker
May 29 '09 at 10:51
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