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Hidden Features of JavaScript? [closed]
...t I'll take just one for you, always use === and !== instead of == and !=
alert('' == '0'); //false
alert(0 == ''); // true
alert(0 =='0'); // true
== is not transitive. If you use === it would give false for
all of these statements as expected.
...
Get the size of the screen, current web page and browser window
...
@Marco Kerwitz The worst thing is that I typed "javascript get window width" and the content of this answer was on Google. A big minus one from me.
– Maciej Krawczyk
Jun 11 '16 at 7:43
...
Prevent direct access to a php include file
...mile.Hunter: this is about blocking access to viewing your include/library script files directly, the answer works. If they created somefile.php on your server and added your define in it, that still doesn't let them directly access the include file. It will let them "include" your library files, bu...
Pass Nothing from Javascript to VBScript in IE9
I have a framework written in VBScript. Inside some function in this framework parameter of the function is checked for Nothing in If statement and then some actions executed.
Code that uses framework written in Javascript. So I need to pass Nothing to function to perform some actions. In IE8 and ea...
Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit
... }
return codesArray;
}
Then I just check the error code and show alert if it is in the list
if ([[self networkErrorCodes] containsObject:[NSNumber
numberWithInt:[error code]]]){
// Fire Alert View Here
}
But as you can see I commented out codes that I think does not fit to my definitio...
How to disable / enable dialog negative positive buttons?
...
Edit for complete solution...
AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
builder.setIcon(android.R.drawable.ic_dialog_info);
builder.setTitle("Alert dialog title");
builder.setMessage("This is the example code snippet to dis...
Detecting a mobile browser
... <= 600 ) );
}
Reference:
Detecting Browser and Devices with javascript
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change text of button and disable button in iOS
...{
UIButton *chatButton = (UIButton*)sender;
if (!voiceChat.active) {
UIAlertController* alert = [UIAlertController alertControllerWithTitle:@"Voice Chat"
message:@"Voice Chat will become live. Please be careful with feedback if y...
What is function overloading and overriding in php?
...user function and a method:
/// Function Overriding ///
function a(){
alert('a');
}
a=function(){
alert('b');
}
a(); // shows popup with 'b'
/// Method Overriding ///
var a={
"a":function(){
alert('a');
}
}
a.a=function(){
alert('b');
}
a.a(); // shows popup with 'b'
...
Include constant in string without concatenating
...specialchars( (string) $string, ENT_QUOTES, 'utf-8' );
};
$userText = "<script>alert('xss')</script>";
echo( "You entered {$escape( $userText )}" );
Produces properly escaped html as expected.
Callback arrays not allowed!
If by now you are under the impression that the function name ...