大约有 16,000 项符合查询结果（耗时：0.0225秒） [XML]
Measuring the distance between two coordinates in PHP
...ized function from codexworld.com:
/**
* Optimized algorithm from http://www.codexworld.com
*
* @param float $latitudeFrom
* @param float $longitudeFrom
* @param float $latitudeTo
* @param float $longitudeTo
*
* @return float [km]
*/
function codexworldGetDistanceOpt($latitudeFrom, $longit...
CORS - How do 'preflight' an httprequest?
...r will make the actual request. You can learn more about CORS here: http://www.html5rocks.com/en/tutorials/cors/
share
|
improve this answer
|
follow
|
...
List files in local git repo?
...itory, including those that are only staged but not yet committed.
http://www.kernel.org/pub/software/scm/git/docs/git-ls-files.html
share
|
improve this answer
|
follow
...
How to detect internet speed in JavaScript?
...
//JUST AN EXAMPLE, PLEASE USE YOUR OWN PICTURE!
var imageAddr = "http://www.kenrockwell.com/contax/images/g2/examples/31120037-5mb.jpg";
var downloadSize = 4995374; //bytes
function ShowProgressMessage(msg) {
if (console) {
if (typeof msg == "string") {
console.log...
Advantages of using display:inline-block vs float:left in CSS
... floats work.
Don’t be fooled. You’re being brainwashed.
http://www.sitepoint.com/give-floats-the-flick-in-css-layouts/
2015 Update - Flexbox is a good alternative for modern browsers:
.container {
display: flex; /* or inline-flex */
}
.item {
flex: none | [ <'flex-grow'> <...
Post an empty body to REST API via HttpClient
...ingContent.Headers.ContentType = MediaTypeHeaderValue.Parse("application/x-www-form-urlencoded");
var response = client.PostAsync(url, stringContent).Result;
var result = response.Content.ReadAsAsync<model>().Result;
}
...
Is there a way to do method overloading in TypeScript?
...
But you can implement overloading in Typescript.
Read this post
http://www.gyanparkash.in/function-overloading-in-typescript/
share
|
improve this answer
|
follow
...
How do you delete an ActiveRecord object?
...tion
threshold_age = 20
User.where(age: threshold_age).delete_all
https://www.rubydoc.info/docs/rails/ActiveRecord%2FNullRelation:delete_all
share
|
improve this answer
|
fo...
Download file from web in Python 3
...and save it locally using the below code:
import requests
url = 'https://www.python.org/static/img/python-logo.png'
fileName = 'D:\Python\dwnldPythonLogo.png'
req = requests.get(url)
file = open(fileName, 'wb')
for chunk in req.iter_content(100000):
file.write(chunk)
file.close()
...
What is the maximum depth of the java call stack?
...It depends on the amount of virtual memory allocated to the stack.
http://www.odi.ch/weblog/posting.php?posting=411
You can tune this with the -Xss VM parameter or with the Thread(ThreadGroup, Runnable, String, long) constructor.
...