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Insert all values of a table into another table in SQL
...an error and roll back the transaction, meaning nothing gets copied. Worth testing though.
– Matt Hamilton
Jun 17 '09 at 21:01
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What does “=>” mean in PHP?
...y giving you the key, It actually only gives you a value:
$array = array("test" => "foo");
foreach($array as $key => $value)
{
echo $key . " : " . $value; // Echoes "test : foo"
}
foreach($array as $value)
{
echo $value; // Echoes "foo"
}
...
Proper Repository Pattern Design in PHP?
...f a basic controller for viewing and editing Users.
All code must be fully testable and mockable.
The controller should have no idea where the data is stored (meaning it can be changed).
Example to show a SQL implementation (most common).
For maximum performance, controllers should only receive the ...
How does the Amazon Recommendation feature work?
...t.
Items added to carts but abandoned.
Pricing experiments online (A/B testing, etc.) where they offer the same products at different prices and see the results
Packaging experiments (A/B testing, etc.) where they offer different products in different "bundles" or discount various pairings of ...
How to open a new window on form submit
...isplay print-outs of database data, this worked well enough for our needs (tested in Chrome 48):
<form method="post"
target="print_popup"
action="/myFormProcessorInNewWindow.aspx"
onsubmit="window.open('about:blank','print_popup','width=1000,height=800');">
The trick is ...
Difference between single quotes and double quotes in Javascript [duplicate]
...ust found a difference. I'm making a mobile website, but I've mostly been testing on desktop Firefox. This works fine on Firefox:
var searchArray = searchValue.split(' '); // Split a string at the spaces.
BUT... it doesn't work on mobile Safari (iPhone 3GS running iOS 6.1). To make it work on ...
Set cursor position on contentEditable
...ould work if dropped directly into the body of an html page if you want to test it quickly:
<div id="area" style="width:300px;height:300px;" onblur="onDivBlur();" onmousedown="return cancelEvent(event);" onclick="return cancelEvent(event);" contentEditable="true" onmouseup="saveSelection();" onk...
How do I get monitor resolution in Python?
...
Works great on Ubuntu. Tested on Ubuntu 16.04.
– Dhruv Reshamwala
Sep 20 '16 at 6:21
3
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How to get the file name from a full path using JavaScript?
...
Just for the sake of performance, I tested all the answers given here:
var substringTest = function (str) {
return str.substring(str.lastIndexOf('/')+1);
}
var replaceTest = function (str) {
return str.replace(/^.*(\\|\/|\:)/, '');
}
var execTest = f...
Redirect non-www to www in .htaccess
...)|offs()
RewriteRule ^ http%1://www.%{HTTP_HOST}%{REQUEST_URI} [NE,L,R]
[Tested]
This will redirect
http
http://example.com
to
http://www.example.com
https
https://example.com
to
https://www.example.com
s...