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Obfuscated C Code Contest 2006. Please explain sykes2.c
...it.
Indenting:
main(_) {
_^448 && main(-~_);
putchar(--_%64
? 32 | -~7[__TIME__-_/8%8][">'txiZ^(~z?"-48] >> ";;;====~$::199"[_*2&8|_/64]/(_&2?1:8)%8&1
: 10);
}
Introducing variables to untangle this mess:
main(int i) {
if(i^448)
m...
byte[] to hex string [duplicate]
...sult: 010204081020
If you want a more compact representation, you can use Base64:
string base64 = Convert.ToBase64String(data);
Result: AQIECBAg
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Fastest way to determine if an integer's square root is an integer
... doing a bit-wise "and." Perfect squares can only end in 0, 1, 4, or 9 in base 16, So for 75% of your inputs (assuming they are uniformly distributed) you can avoid a call to the square root in exchange for some very fast bit twiddling.
Kip benchmarked the following code implementing the hex tric...
Using the rJava package on Win7 64 bit with R
I'm trying to install rJava on a computer with Win 7 64 bit. When I run
12 Answers
1...
Add a custom attribute to a Laravel / Eloquent model on load?
...at various points throughout SessionController (SessionController extends \BaseController) which would be called via URLs such as '/sessions/170071'.
– coatesap
Jun 21 '13 at 13:55
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How to detect total available/free disk space on the iPhone/iPad device?
...m.
Original answer:
I found the following solution working for me:
-(uint64_t)getFreeDiskspace {
uint64_t totalSpace = 0;
uint64_t totalFreeSpace = 0;
NSError *error = nil;
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSD...
Xcode 5.1 - No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=i
After updating to Xcode 5.1, I can no longer build my project for the 64-bit simulator, receiving this error:
18 Answers
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How to use Boost in Visual Studio 2010
...
Run b2:
Win32: b2 --toolset=msvc-10.0 --build-type=complete stage ;
x64: b2 --toolset=msvc-10.0 --build-type=complete architecture=x86 address-model=64 stage
Go for a walk / watch a movie or 2 / ....
Go through steps 2 - 6 from the set of instruction above to set the environment varia...
How to log a method's execution time exactly in milliseconds?
...
Anything based on NSDate is not safe for measuring passed time because the time can jump, even backwards. A much safer way is to use mach_absolute_time, as shown in many of the other answers here. This one should be downvoted for bein...
How to make rpm auto install dependencies
...
No, this will not work unless libtest1-1.0-1.x86_64.rpm is in a repository elsewhere, or both packages are specified on the command line like "rpm -i" would require. I just verified this on yum 3.4.3 (Fedora 18). Transcript here showing that it goes to the updates repo for ...