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How can I determine whether a 2D Point is within a Polygon?
... false;
}
// https://wrf.ecse.rpi.edu/Research/Short_Notes/pnpoly.html
bool inside = false;
for ( int i = 0, j = polygon.Length - 1 ; i < polygon.Length ; j = i++ )
{
if ( ( polygon[ i ].Y > p.Y ) != ( polygon[ j ].Y > p.Y ) &&
p.X < ( po...
Fast permutation -> number -> permutation mapping algorithms
... http://antoinecomeau.blogspot.ca/2014/07/mapping-between-permutations-and.html
public static int[] perm(int n, int k)
{
int i, ind, m=k;
int[] permuted = new int[n];
int[] elems = new int[n];
for(i=0;i<n;i++) elems[i]=i;
for(i=0;i<n;i++)
{
ind=m%(n-i);
...
How to get client's IP address using JavaScript?
...e=https
uag=Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36 Hypothesis-Via
colo=SJC
http=http/1.1
loc=US
tls=TLSv1.3
sni=plaintext
warp=off
Limitations:
Returns plain text
DB-IP
Try it: http://api.db-ip.com/addrinfo?api_key=<...
How can you do anything useful without mutable state?
...mething changes. A better approach is described here (prog21.dadgum.com/26.html): rather than having objects update themselves and all of their dependencies, its much easier to have them pass messages about their state to an event loop which handles all of the updating. This makes it much easier to ...
深入理解 x86/x64 的中断体系 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...ss mode，关于实模式请详见文章：http://www.mouseos.com/arch/001.html
processor 执行的第一条指针在 0xFFFFFFF0 处，这个地址经过 North Bridge（北桥）和 South ridge（南桥）芯片配合解码，最终会访问到固化的 ROM 块，同时，经过别名机制映射...
What are the best JVM settings for Eclipse? [closed]
... As per this link, oracle.com/technetwork/java/javase/gc-tuning-6-140523.html#icms, you need to have -XX:+UseConcMarkSweepGC in order to use -XX:+CMSIncrementalMode. That is missing from your example above. We would not need CMSIncrementalMode in case we use G1 GC, am I right?
...
What are the barriers to understanding pointers and what can be done to overcome them? [closed]
... @ThoAppelsin Not necessarily true, if you're accessing a static html webpage for example, you're accessing a single file on the server.
– dramzy
Jan 10 '15 at 17:47
5
...
What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
...nfocenter.arm.com/help/index.jsp?topic=/com.arm.doc.subset.swdev.abi/index.html
https://developer.apple.com/library/ios/documentation/Xcode/Conceptual/iPhoneOSABIReference/iPhoneOSABIReference.pdf
ARM64 convention:
http://infocenter.arm.com/help/topic/com.arm.doc.ihi0055b/IHI0055B_aapcs64.pdf
Fo...
Do you (really) write exception safe code? [closed]
...ng the STL exception safe:
http://www.boost.org/community/exception_safety.html
Look at the 7th point (Automated testing for exception-safety), where he relies on automated unit testing to make sure every case is tested. I guess this part is an excellent answer to the question author's "Can you even...
Multiple glibc libraries on a single host
... Now you can use a convenient utility patchelf (nixos.org/patchelf.html), which allows you to modify rpath and interpreter of already compiled ELF.
– Michael Pankov
Feb 13 '13 at 12:14
...