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How do you use the ? : (conditional) operator in JavaScript?
... = 'Hello ' + (username || 'guest');
This is Javascripts equivallent of PHP's shorthand ternary operator ?:
Or even:
var welcomeMessage = 'Hello ' + (username || something || maybethis || 'guest');
It evaluates the variable, and if it's false or unset, it goes on to the next.
...
Should I use encodeURI or encodeURIComponent for encoding URLs?
... If i am using ajax how do i decode the url which is passed to php?
– Aditya Shukla
Dec 27 '10 at 18:19
6
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Executing injected by innerHTML after AJAX call
...ter fetching some content:
$.ajax({
type: 'GET',
url: 'response.php',
timeout: 2000,
success: function(data) {
$("#content").html(data);
myFunction();
},
error: function (XMLHttpRequest, textStatus, errorThrown) {
alert("error retrieving content");
}
...
Get Insert Statement for existing row in MySQL
...
I wrote a php function that will do this. I needed to make an insert statement in case a record needs to be replaced after deletion for a history table:
function makeRecoverySQL($table, $id)
{
// get the record
$sel...
Escaping HTML strings with jQuery
...ibutes, then you will also need to escape quotes and/or double quotes. The PHP documentation for htmlspecialchars contains a useful list of conversions that it performs. php.net/htmlspecialchars
– geofflee
Mar 24 '11 at 12:05
...
Is MVC a Design Pattern or Architectural pattern
...aBeans ( Model ), Servlet ( controller ). Same concept with all the famous php framework ( symphony, zend, cake etc. ). But nowaday frontend frameworks looks like back end application and modern javascript frameworks use mvc ( html your view, controller your script, and model your js objects as en...
What is the benefit of zerofill in MySQL?
...rkByers, Practically speaking though, wouldn't most client-libraries (e.g. PHP) simply strip the zeros off before they hand it over to the application code? If so, then it really seems somewhat pointless. A bad design in the early days of MySQL.
– Pacerier
May...
How to cancel/abort jQuery AJAX request?
...ct
return $def.promise();
}
// initiate first call
singleAjax('/ajax.php', {a: 1, b: 2})
.always(function(a,b,c) {console && console.log(a,b,c);});
// second call kills first one
singleAjax('/ajax.php', {a: 1, b: 2})
.always(function(a,b,c) {console && console.log(a,b,...
One-liner to recursively list directories in Ruby?
...
In PHP or other languages to get the content of a directory and all its subdirectories, you have to write some lines of code, but in Ruby it takes 2 lines:
require 'find'
Find.find('./') do |f| p f end
this will print the con...
Detect when an image fails to load in Javascript
...y wouldn't try and load an image that isn't there.
– PHP Guru
Feb 12 at 19:29
1
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