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Does Java SE 8 have Pairs or Tuples?
... Pair<Integer, Integer> consumes three objects instead of two 32-bit words. Furthermore, these objects must reside on the heap and will incur GC overhead.
It would seem clear that, like Streams, it would be essential for there to be primitive specializations for Pairs. Do we want to see:
Pai...
When are you truly forced to use UUID as part of the design?
... possibility of collision, but that is not what UUIDs are for.
Anyways, a word on the probability of collision, taken from Wikipedia:
To put these numbers into perspective, one's annual risk of being hit
by a meteorite is estimated to be one chance in 17 billion, equivalent
to the odds of c...
How do you make a HTTP request with C++?
...nHost: " + url + "\r\nConnection: close\r\n\r\n";
if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0){
cout << "WSAStartup failed.\n";
system("pause");
//return 1;
}
Socket=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
host = gethostbyname(url.c_str());
...
How does the main() method work in C?
...c_from_somewhere, argv_from_somewhere, envp_from_somewhere));
}
In other words, this start module just calls a three-argument main, always. If main takes no arguments, or only int, char **, it happens to work fine, as well as if it takes no arguments, due to the calling conventions.
If you were t...
What does multicore assembly language look like?
...that basically just works:
MOV ESI, ICR_LOW ; Load address of ICR low dword into ESI.
MOV EAX, 000C4500H ; Load ICR encoding for broadcast INIT IPI
; to all APs into EAX.
MOV [ESI], EAX ; Broadcast INIT IPI to all APs
; 10-millisecond delay loop.
MOV EAX, 000C46XXH ; L...
iOS app error - Can't add self as subview
... the relevant nav controller, and include it in the call to push/pop.
The word "lock" may be slightly poor wording as it may insinuate there's some form of lock happening that needs unlocking, but since there's no "unlock" method anywhere, it's probably okay.
(As a sidenote, "non user related dela...
How to understand Locality Sensitive Hashing?
.../09/08/storm-first-story-detection/
And because one picture is a thousand words check the picture below:
http://micvog.files.wordpress.com/2013/08/lsh1.png
Hope it helps.
@mvogiatzis
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imp...
Does Python optimize tail recursion?
...to have proper tracebacks:
Tail Recursion Elimination (2009-04-22)
Final Words on Tail Calls (2009-04-27)
You can manually eliminate the recursion with a transformation like this:
>>> def trisum(n, csum):
... while True: # Change recursion to a while loop
... ...
What is a proper naming convention for MySQL FKs?
...e time helping you avoid name collisions/confusion when there are multiple word table names. I also omit the field part of the name when it is trivial (i.e. a single int field references the identity PK of another table).
– Joel Brown
Sep 12 '11 at 1:20
...
What's the difference between HEAD, working tree and index, in Git?
... ever understand it completely I got really frustrated n I wanna use the f word; But im in community! U've mentioned heads but in the images above there is always a single HEAD where r the remaining f**ng heads? "Normally HEAD points to one of the heads, so everything works out just fine." I beg u t...