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Calculate distance between 2 GPS coordinates
... locations are negative.
Remember minutes and seconds are out of 60 so S31 30' is -31.50 degrees.
Don't forget to convert degrees to radians. Many languages have this function. Or its a simple calculation: radians = degrees * PI / 180.
function degreesToRadians(degrees) {
return degrees * Ma...
How can I select and upload multiple files with HTML and PHP, using HTTP POST?
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197
This is possible in HTML5. Example (PHP 5.4):
<!doctype html>
<html>
<head...
Visual Studio 2013 IntelliSense stops working for ASP.NET MVC5 Controllers
I am facing a weird problem in my Visual Studio 2013 ASP.NET MVC 5 project. All of a sudden, the IntelliSense in the Controller classes of the MVC 5 project are not working at all.
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How to find the extension of a file in C#?
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11 Answers
11
Active
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Read-only list or unmodifiable list in .NET 4.0
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147
You're looking for ReadOnlyCollection, which has been around since .NET2.
IList<string>...
Add support library to Android Studio project
...ction, and make sure you have
compile 'com.android.support:support-v4:13.0.+'
Below is an example.
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:0.5.+'
}
}
apply plugin: 'android'
repositories {
mav...
How to easily map c++ enums to strings
...low
std::map<MyEnum, const char*> MyMap;
map_init(MyMap)
(eValue1, "A")
(eValue2, "B")
(eValue3, "C")
;
The function template <typename T> map_init(T&) returns a map_init_helper<T>.
map_init_helper<T> stores a T&, and defines the trivial map_init_helpe...
In PHP, how to detect the execution is from CLI mode or through browser ? [duplicate]
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175
Use the php_sapi_name() function.
if (php_sapi_name() == "cli") {
// In cli-mode
} else {...
Is there any difference between GROUP BY and DISTINCT
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edited Feb 14 '19 at 23:55
brett rogers
6,21166 gold badges3030 silver badges4242 bronze badges
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