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What is the difference between Ruby 1.8 and Ruby 1.9
...+ 4.im
Decimal Is Still Not The Default
Ruby 1.9
irb(main):001:0> 1.2-1.1
=> 0.0999999999999999
Regex “Properties”
Ruby 1.9
/\p{Space}/
Ruby 1.8.6
/[:space:]/
Splat in Middle
Ruby 1.9
def foo(first, *middle, last)
(->a, *b, c {p a-c}).(*5.downto(1))
Fibers
Rub...
What is more efficient? Using pow to square or just multiply it with itself?
...;
return x*y;
}
using namespace foo;
int main()
{
double a = bar(1.2, 3); // Prints "foo::bar"
std::cout << a << "\n";
return 0;
}
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How do Trigonometric functions work?
...rror around 3e-7, f(x) = x-x3/6+x5/120-x7/5040
Chebyshev: max error around 1.2e-9, f(x) = 0.999999986x-0.166666367x3+0.008331584x5-0.000194621x7
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Get Character value from KeyCode in JavaScript… then trim
...;
#key-codes,
#key-names {
font-family: courier, serif;
font-size: 1.2em;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<input id="in" placeholder="Type here..." />
<button id="reset">Reset</button>
<br/>
...
Received fatal alert: handshake_failure through SSLHandshakeException
...ient's state, C=client's Country
Signature Algorithm: SHA1withRSA, OID = 1.2.840.113549.1.1.5
... the rest of the certificate
*** ClientKeyExchange, RSA PreMasterSecret, TLSv1
... key exchange info
If there isn't a certificate in the chain and the server requires one, you'll get the hands...
How do I choose grid and block dimensions for CUDA kernels?
...an 8k/16k/32k/64k/32k/64k/32k/64k/32k/64k registers total
(Compute 1.0,1.1/1.2,1.3/2.x-/3.0/3.2/3.5-5.2/5.3/6-6.1/6.2/7.0)
Each block cannot consume more than 16kb/48kb/96kb of shared memory (Compute
1.x/2.x-6.2/7.0)
If you stay within those limits, any kernel you can successfully compile will laun...
Fastest hash for non-cryptographic uses?
...enkins
SBox 1.4 GB/s 9 Bret Mulvey
Lookup3 1.2 GB/s 9 Bob Jenkins
CityHash64 1.05 GB/s 10 Pike & Alakuijala
FNV 0.55 GB/s 5 Fowler, Noll, Vo
CRC32 0.43 GB/s 9
MD5-32 0.33 GB/s 10 Ro...
What is RSS and VSZ in Linux memory management
...
I'm on ubuntu 16.04, and there is a java process has 1.2G RES and 4.5G VIRT showing from top command. This system doesn't have any swap, swapon --show returns nothing. How do you explain this? If vsz is swap + shared libraries, in this case, shared libraries are over than 3.3G?...
Simplest PHP example for retrieving user_timeline with Twitter API version 1.1
...s, and this is for an open source project for you guys and girls with over 1.2 million installations on Packagist and 1.6k stars on Github, which theoretically should be higher priority.
If you are tasked with working with the twitter API for your work, you must take this potentially extremely long ...
Performance of foreach, array_map with lambda and array_map with static function
...tempts:
Foreach: 0.7 sec
Map on closure: 3.4 sec
Map on function name: 1.2 sec.
Supposing the lackluster speed of the map on closure was caused by the closure possibly being evaluated each time, I also tested like this:
function useMapClosure($numbers) {
$closure = function($number) {
...