大约有 30,000 项符合查询结果（耗时：0.0360秒） [XML]
How can I determine whether a 2D Point is within a Polygon?
...ld not recommend using it. Here is a link giving some detailed analysis: www-ma2.upc.es/geoc/Schirra-pointPolygon.pdf
– Mikola
May 6 '14 at 4:29
13
...
Fast permutation -> number -> permutation mapping algorithms
....1
("The Lehmer code (inversion table)", p.232ff) of the fxtbook:
http://www.jjj.de/fxt/#fxtbook
skip to section 10.1.1.1 ("Computation with large arrays" p.235) for the fast method.
The (GPLed, C++) code is on the same web page.
...
Disable browser's back button
...
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<title>Untitled Page</title>
<script type = "text/javascript" >
function changeHashOnLoad() {
win...
Deploy a project using Git push
...s-files -z | rsync --files-from - --copy-links -av0 . user@server.com:/var/www/project
you might have to delete files which got removed from the project.
this copies all the checked in files. rsync uses ssh which is installed on a server anyways.
the less software you have installed on a server ...
What are major differences between C# and Java?
...d myself referring to this article when switching between the two.
http://www.25hoursaday.com/CsharpVsJava.html
share
answered Nov 17 '08 at 10:55
...
Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...址）：http://mozilla.github.io/pdf.js/
清泛网Demo地址：https://www.tsingfun.com/statics/pdf.js/web/viewer.html
前言
英文是github上的原文，找不到中文资料，我根据自己理解翻译的，有些词意思拿不准就直接把单词留在原地了，看这个文档应该...
Ruby: How to post a file via HTTP as multipart/form-data?
...om the README:
require 'net/http/post/multipart'
url = URI.parse('http://www.example.com/upload')
File.open("./image.jpg") do |jpg|
req = Net::HTTP::Post::Multipart.new url.path,
"file" => UploadIO.new(jpg, "image/jpeg", "image.jpg")
res = Net::HTTP.start(url.host, url.port) do |http|
...
CSS customized scroll bar in div
...
Similarly, WebKit now has its own version:
Styling scrollbars: https://www.webkit.org/blog/363/styling-scrollbars/
Demo of all WebKit scroll bar styling
From Custom scrollbars in WebKit, relevant CSS:
/* pseudo elements */
::-webkit-scrollbar { }
::-webkit-scrollbar-button {...
How to check for valid email address? [duplicate]
...s a valid email address.
I've had some luck with the lepl package (http://www.acooke.org/lepl/). It can validate email addresses as indicated in RFC 3696: http://www.faqs.org/rfcs/rfc3696.html
Found some old code:
import lepl.apps.rfc3696
email_validator = lepl.apps.rfc3696.Email()
if not email_...
Which is the fastest algorithm to find prime numbers?
...
If it has to be really fast you can include a list of primes:
http://www.bigprimes.net/archive/prime/
If you just have to know if a certain number is a prime number, there are various prime tests listed on wikipedia. They are probably the fastest method to determine if large numbers are prime...