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What is the smallest possible valid PDF?
...llo world example to open.
For a small-ish file with text content :
%PDF-1.2
9 0 obj
<<
>>
stream
BT/ 9 Tf(Test)' ET
endstream
endobj
4 0 obj
<<
/Type /Page
/Parent 5 0 R
/Contents 9 0 R
>>
endobj
5 0 obj
<<
/Kids [4 0 R ]
/Count 1
/Type /Pages
/MediaBox [ 0 0 99 9 ]...
Why does changing 0.1f to 0 slow down performance by 10x?
... main() {
double start = omp_get_wtime();
const float x[16]={1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9,2.0,2.1,2.2,2.3,2.4,2.5,2.6};
const float z[16]={1.123,1.234,1.345,156.467,1.578,1.689,1.790,1.812,1.923,2.034,2.145,2.256,2.367,2.478,2.589,2.690};
float y[16];
for(int i=0;i<16...
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?...