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Getting MAC Address
... cross platform method of determining the MAC address of a computer at run time. For windows the 'wmi' module can be used and the only method under Linux I could find was to run ifconfig and run a regex across its output. I don't like using a package that only works on one OS, and parsing the outp...
How to Compare Flags in C#?
... is great, I've been waiting for this relatively simple feature for a long time. Glad they decided to slip it in.
– Rob van Groenewoud
Apr 13 '10 at 22:25
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Is there a generator version of `string.split()` in Python?
...','']
While there is a little bit of cost seeking within the string each time find() or slicing is performed, this should be minimal since strings are represented as continguous arrays in memory.
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How do I read / convert an InputStream into a String in Java?
...mance tests for small String (length = 175), url in github (mode = Average Time, system = Linux, score 1,343 is the best):
Benchmark Mode Cnt Score Error Units
8. ByteArrayOutputStream and read (JDK) avgt 10 1,343 ± 0,028 us/op
6. InputStre...
Why is auto_ptr being deprecated?
...n) that assumes that copy syntax has copy semantics will likely have a run-time error if used with auto_ptr, because auto_ptr silently moves with copy syntax. The issue is much larger than just sort.
– Howard Hinnant
Nov 15 '17 at 14:10
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Programmer Puzzle: Encoding a chess board state throughout a game
...to h8 it can be promoted to any other piece (but not the king). 99% of the time it is promoted to a Queen but sometimes it isn’t, typically because that may force a stalemate when otherwise you’d win. This is written as:
h8=Q
This is important in our problem because it means we can’t count...
How to create a generic array in Java?
...Array native method to create array
// of a type only known at run time
@SuppressWarnings("unchecked")
final E[] a = (E[]) Array.newInstance(c, s);
this.a = a;
}
E get(int i) {
return a[i];
}
}
Unchecked: weak typing. No type checking is actually...
How to truncate milliseconds off of a .NET DateTime
I'm trying to compare a time stamp from an incoming request to a database stored value. SQL Server of course keeps some precision of milliseconds on the time, and when read into a .NET DateTime, it includes those milliseconds. The incoming request to the system, however, does not offer that precisio...
Why are Where and Select outperforming just Select?
... Where does not create anything, just return one element at the time from source sequence if only it fill the predicate.
– MarcinJuraszek
Aug 20 '13 at 16:30
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Fastest way to extract frames using ffmpeg?
... answered Jun 9 '12 at 15:53
Multimedia MikeMultimedia Mike
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