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Simple calculations for working with lat/lon and km distance?
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If you're using Java, Javascript or PHP, then there's a library that will do these calculations exactly, using some amusingly complicated (but still fast) trigonometry:
http://www.jstott.me.uk/jcoord/
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How to implement custom JsonConverter in JSON.NET to deserialize a List of base class objects?
...ON.net example given here
http://james.newtonking.com/projects/json/help/CustomCreationConverter.html
9 Answers
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What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t
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PHP is evil of course. The popularity of application/x-www-form-urlencoded is defined by the popularity of PHP.
– Brian Cannard
Apr 28 '16 at 10:17
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How do I execute code AFTER a form has loaded?
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The most common reason for this type of question is when a container or custom control type attempts to access properties initialized outside of a custom class where those properties have not yet been initialized thus potentially causing null values to populate and can even cause a null reference...
Android: Last line of textview cut off
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With custom fonts, this might be the perfect fix. This is the only solution that worked for me when using Droid Sans Japanese.
– computingfreak
Mar 1 '17 at 10:34
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Is there a way to escape a CDATA end token in xml?
...er looking for something like a backslash equivalent (within strings in C, PHP, Java, etc). According to the rule quoted by ddaa, it seems like there's not such a thing.
– Juan Pablo Califano
Oct 21 '08 at 23:11
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How to get Url Hash (#) from server side
...unction toward top of controller or http://example.com/yourDirectory/index.php:
function redirect()
{
if (!empty($_GET['hash'])) {
/** Sanitize & Validate $_GET['hash']
If valid return string
If invalid: return empty or false
*******************...
How do I pass values to the constructor on my wcf service?
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You'll need to implement a combination of custom ServiceHostFactory, ServiceHost and IInstanceProvider.
Given a service with this constructor signature:
public MyService(IDependency dep)
Here's an example that can spin up MyService:
public class MyServiceHostFac...
How to make an HTTP POST web request
...ystem.Web.Script.Serialization;
namespace ConsoleApplication1
{
class Customer
{
public string Name { get; set; }
public string Address { get; set; }
public string Phone { get; set; }
}
public class Program
{
private static readonly HttpClient _C...
Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
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We can also rely on custom properties (aka CSS variables) in order to manipulate pseudo-element. We can read in the specification that:
Custom properties are ordinary properties, so they can be declared on
any element, are resolved with th...