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Painless way to install a new version of R?
...If you want to automate this further, you can specify this in the Rprofile.site file, which you find in the /etc/ directory of your R build. Then it will load automatically every time R loads, and you don't have to worry about that any more. You can just install and load packages from the specified ...
POST unchecked HTML checkboxes
...to put the hidden input first, per many the other answers. If you're using PHP, you can then do away with the javascript dependency, because only the last value gets used.
– Ben
Sep 13 '13 at 17:40
...
FB OpenGraph og:image not pulling images (possibly https?)
...n into the same problem and reported it as a bug on the Facebook developer site. It seems pretty clear that og:image URIs using HTTP work just fine and URIs using HTTPS do not. They have now acknowledged that they are "looking into this."
Update: As of 2020, the bug is no longer visible in Facebook...
How to install plugin for Eclipse from .zip
...install Eclipse plugin from .zip? I have installed plugins by choosing the site and then check but never from .zip. Can anybody help?
...
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:
...
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...
Resetting a setTimeout
...imer = window.setTimeout(function() {
window.location.href = 'file.php';
}, 115000);
}
function onClick() {
clearTimeout(g_timer);
startTimer();
}
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improve this answer
...
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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improv...
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...
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)
}
...