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What does it mean when an HTTP request returns status code 0?
What does it mean when JavaScript network calls such as fetch or XMLHttpRequest, or any other type of HTTP network request, fail with an HTTP status code of 0?
...
Is using 'var' to declare variables optional? [duplicate]
...he differences:
external = 5;
function firsttry() {
var external = 6;
alert("first Try: " + external);
}
function secondtry() {
external = 7;
alert("second Try: " + external);
}
alert(external); // Prints 5
firsttry(); // Prints 6
alert(external); // Prints 5
secondtry(); // Prints 7
aler...
Regex using javascript to return just numbers
...var numberPattern = /\d+/g;
value = value.match( numberPattern ).join([]);
alert(value);
//Show: 675805714
Now you get the digits joined
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follo...
How can you program if you're blind?
...rsion used at my internship and is very accessible using Jaws and a set of scripts that were developed to make things such as the form designer more accessible.
For C and C++ programming I use cygwin with gcc as my compiler and emacs or vim as my editor depending on what I need to do. A lot of my ...
execute function after complete page load
...ive") { //does same as: ..addEventListener("DOMContentLoaded"..
alert("hi 1");
}
// When window loaded ( external resources are loaded too- `css`,`src`, etc...)
if (event.target.readyState === "complete") {
alert("hi 2");
}
});
same for jQuery:
$(document).rea...
How does “this” keyword work within a function?
...at's attached to an object
var foo = {};
foo.someMethod = function(){
alert(this);
}
When invoked as a method, this will be bound to the object the function/method is a part of. In this example, this will be bound to foo.
As A Function
If you have a stand alone function, the this variable ...
Browser detection in JavaScript? [duplicate]
...n use simply say:
if (bowser.msie && bowser.version <= 6) {
alert('Hello IE');
} else if (bowser.firefox){
alert('Hello Foxy');
} else if (bowser.chrome){
alert('Hello Chrome');
} else if (bowser.safari){
alert('Hello Safari');
} else if(bowser.iphone || bowser.android){
alert...
Local Storage vs Cookies
...eds this data — the client or the server?
If it's your client (your JavaScript), then by all means switch. You're wasting bandwidth by sending all the data in each HTTP header.
If it's your server, local storage isn't so useful because you'd have to forward the data along somehow (with Ajax or h...
How do I install pip on macOS or OS X?
...Got error #notsoeasy Download error on pypi.python.org/simple: [SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version (_ssl.c:590) -- Some packages may not be found! No local packages or download links found for pip error: Could not find suitable distribution for Requirement.parse('pip')
...
ASP.NET MVC Html.ValidationSummary(true) does not display model errors
...
return View(member);
}
}
And in display add:
<div class="alert alert-danger">
@Html.ValidationMessage("keyName")
</div>
OR
<div class="alert alert-danger">
@Html.ValidationSummary(false)
</div>
...