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MySQL Great Circle Distance (Haversine formula)
I've got a working PHP script that gets Longitude and Latitude values and then inputs them into a MySQL query. I'd like to make it solely MySQL. Here's my current PHP Code:
...
What browsers support HTML5 WebSocket API?
...
XSockets.NET
SuperWebSocket
Nugget
Alchemy-Websockets
Fleck
SignalR
In PHP:
Ratchet
phpwebsocket.
Extendible Web Socket Server
phpdaemon
In Python:
pywebsockets
websockify
gevent-websocket, gevent-socketio and flask-sockets based on the former
Autobahn
Tornado
In C:
libwebsockets
In ...
How to show google.com in an iframe?
...ilar to Google style. Google CSE works with web and images search.
google.php
<script>
(function() {
var cx = 'xxxxxxxxxxxxxxxxxxxxxx';
var gcse = document.createElement('script');
gcse.type = 'text/javascript';
gcse.async = true;
gcse.src = 'https://cse.google.com/cse....
Search text in fields in every table of a MySQL database
...
If you have phpMyAdmin installed use its 'Search' feature.
Select your DB
Be sure you do have a DB selected (i.e. not a table, otherwise you'll get a completely different search dialog)
Click 'Search' tab
Choose the search term you wan...
How are parameters sent in an HTTP POST request?
...ith easy access to the readily decoded values (like $_REQUEST or $_POST in PHP, or cgi.FieldStorage(), flask.request.form in Python).
Now let's digress a bit, which may help understand the difference ;)
The difference between GET and POST requests are largely semantic. They are also "used" diffe...
Resetting a setTimeout
...imer = window.setTimeout(function() {
window.location.href = 'file.php';
}, 115000);
}
function onClick() {
clearTimeout(g_timer);
startTimer();
}
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...
Go > operators
...y Arithmetic operators and its the same in other languages here is a basic PHP , C , Go Example
GO
package main
import (
"fmt"
)
func main() {
var t , i uint
t , i = 1 , 1
for i = 1 ; i < 10 ; i++ {
fmt.Printf("%d << %d = %d \n", t , i , t<<i)
}
...
Str_replace for multiple items
...s:
str_replace(array(':', '\\', '/', '*'), ' ', $string);
Or, in modern PHP (anything from 5.4 onwards), the slighty less wordy:
str_replace([':', '\\', '/', '*'], ' ', $string);
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How does this giant regex work?
...ently found the code below in one of my directories, in a file called doc.php . The file functions or links to a file manager. It's quite nicely done. Basically, it lists all the files in the current directory, and it lets you change directories.
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How can I remove duplicate rows?
...erver LEFT JOIN is less efficient than NOT EXISTS sqlinthewild.co.za/index.php/2010/03/23/… The same site also compares NOT IN vs NOT EXISTS. sqlinthewild.co.za/index.php/2010/02/18/not-exists-vs-not-in Out of the 3 I think NOT EXISTS performs best. All three will generate a plan with a self join ...