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string sanitizer for filename
... unsafe HTML context because this absolutely legal filename:
' onerror= 'alert(document.cookie).jpg
becomes an XSS hole:
<img src='<? echo $image ?>' />
// output:
<img src=' ' onerror= 'alert(document.cookie)' />
Because of that, the popular CMS software Wordpress removes t...
How to get the class of the clicked element?
...ps.
$("li").click(function() {
var myClass = $(this).attr("class");
alert(myClass);
});
Equally, you don't have to wrap the object in jQuery:
$("li").click(function() {
var myClass = this.className;
alert(myClass);
});
And in newer browsers you can get the full list of class names:...
CoffeeScript, When to use fat arrow (=>) over arrow (->) and vice versa
...rences instance fields:
class A
constructor: (@msg) ->
thin: -> alert @msg
fat: => alert @msg
x = new A("yo")
x.thin() #alerts "yo"
x.fat() #alerts "yo"
fn = (callback) -> callback()
fn(x.thin) #alerts "undefined"
fn(x.fat) #alerts "yo"
fn(-> x.thin()) #alerts "yo"
As y...
Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
I've seen Bash scripts test for a non-zero length string in two different ways. Most scripts use the -n option:
6 Answers...
is it possible to change values of the array when doing foreach in javascript?
...ree"];
arr.forEach(function(part) {
part = "four";
return "four";
})
alert(arr);
First off, here is where you should be reading about Array.prototype.forEach():
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach
Second, let's talk briefly about v...
Parse string to date with moment.js
...t('DD-MM-YYYY'); var dateCalendarPart = moment(date).format('YYYY/MM/DD'); alert(date); alert(dateCalendarPart); Gives an invalid date error?????
– Andrew Day
Jun 15 '16 at 11:17
...
How to access the correct `this` inside a callback?
...data, transport) {
this.data = data;
transport.on('data', () => alert(this.data));
}
Don't use this
You actually don't want to access this in particular, but the object it refers to. That's why an easy solution is to simply create a new variable that also refers to that object. The varia...
How to find if div with specific id exists in jQuery?
...='display:none;'></div>" + name + "</div>");
} else {
alert('this record already exists');
}
});
Or, the non-jQuery version for this part (since it's an ID):
$("li.friend").live('click', function(){
name = $(this).text();
if(document.getElementById(name) == null) {
...
SecurityError: Blocked a frame with origin from accessing a cross-origin frame
...gt; in my HTML page and trying to access the elements within it using Javascript, but when I try to execute my code, I get the following error:
...
Targeting both 32bit and 64bit with Visual Studio in same solution/project
...lveAssemblyWarnOrErrorOnTargetArchitectureMismatch>
Add this postbuild script to your startup project, use and modify the paths of this script sp that it copies all your x86/x64 dlls in corresponding subfolders of your build bin\x86\ bin\x64\
xcopy /E /H /R /Y /I /D $(SolutionDir)\YourPathToX86...