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Cannot Cast Undefined To Bool

That said, James Padolsey points out in his jQuery Cookbook chapter (page 47):In fact, the !! Even though I'd already seen it, I still picked up a few new tidbits by checking out this code.I always assumed the document.write() method had to be within the body tags. My Experience With AngularJS - The Super Heroic JavaScript MVW Framework Find your next web development job on the BenNadel.com job board One Man's Search for Love - Lightning Talk Fork Loans that change lives — Find out more » Reader Comments Niels van Dijk Dec 14, 2009 at 10:02 AM 1 Comments Thanks for this. http://electrictricycle.net/cannot-cast/cannot-cast-from-actionform.html

is a pretty cool trick, but I question if it is more readable to a newbie since it is an uncommon syntax. One more step Please complete the security check to access www.codjumper.com Why do I have to complete a CAPTCHA? Sreenath Urala Dec 14, 2009 at 2:17 PM 5 Comments Okay, I was slightly horribly wrong. vBCredits II Deluxe - vBulletin Mods & Addons Copyright © 2010-2016 DragonByte Technologies Ltd.

Elijah Manor Dec 14, 2009 at 11:31 PM 6 Comments I think the !! Home Forums Gaming Forums GTA V Infinite Warfare Black Ops 3 Call of Duty Classics Pokemon Go Newest Games Upcoming Games Popular & Classic Games Let's Play General Forums Announcements General operator for the first time, I was like "What the heck is that?!?". You gave me what I need; I can provide an error handler to $.ajax.

All trademarks are property of their respective owners in the US and other countries. Comments: 5 Codutility.com up and runn...Mystic writes...Quote:It seems to me the like the site is completely dead? ... What can I do to prevent this in the future? Like the short notation for IF with the ?

I don't think implicit type conversion is wrong. When I've created my map I make an IWD and put it in main. the jQuery Core Style Guideline encourages to use the === over the ==. Just guessing [email protected], I think the triple-equals is nice because it implies more about the data that is being compared (not allowing for implicit type casting).

Please post more of this if you run into it. All rights reserved. Remember that both PHP and Javascript have a low "barrier to entry," that is, it's easy for inexperienced programmers to get things working, without necessarily being aware of best practices. I knew you could declare more than one variable within that opening block of the loop, but it never occurred to me to do it that way.Regarding the !!, I've got

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As I mentioned above, the first casts the data type to a true Boolean and then flips it; the second not-operator then re-flips it back to the appropriate Boolean value. this content I just noticed this page yesterday.http://docs.jquery.com/JQuery_Core_Style_Guidelines#EqualityGreat post as always! Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. The latter one, which technically more correct perhaps (depending on how you look at it), just adds more work.

Sure, once it is explained then it shouldn't be a big deal.As an F.Y.I. All rights reserved. ok, Zombies, Buried, Round 23, and all of the sudden all the buildings and some of the ground is covered in coloured squares, i kinda like it but what the hell, weblink Register Forum Games Universe Call of Duty Series Call of Duty: Black Ops 2 Call of Duty: Black Ops 2 Mods, Cheats and Guides Call of Duty: Black Ops 2 GSC

If you explicitly scope the variable to an object like Window, then JS interprets it as an undefined key. Jose Galdamez Dec 14, 2009 at 11:21 PM 50 Comments I've been digging through "Object Oriented Javascript" by Stoyan Stefanov, and they mention this trick early on which is kind of Book looks like a good [email protected] - "short notation IF" is called a ternary operation: http://en.wikipedia.org/wiki/Ternary_operation Ben Nadel Dec 14, 2009 at 1:54 PM 12,905 Comments @Sreenath, I have not used

Ben Nadel Dec 14, 2009 at 10:06 AM 12,905 Comments @Niels, You make a good point - something only increases readability IF the person reading has any idea what is going

If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Since jQuery deals with form values so often, I wonder if it is then considered best practice to parse numeric values out of form fields, which are inherently text-based:if (parseInt( $( Members Online » 0 Active | 38 Guests Online: LATEST FORUM THREADS » by morgawrPosts: 3 / 157 mp_sichonCoDUO Mapping by TrikXPosts: 4 / 119 SP sound bug/anomaly reportCoD2 Scripting by The web would be a far uglier place if that were not true!I expect that many of us who come from strongly-typed language backgrounds (c and fortran in my case) get

When we run the above code, we get the following output:true : 1false : 0true : foofalse :true : [object HTMLDocument]falsefalsePretty slick. Check out our FAQs section or search it out using the SEARCH link below. Got the excerpt from the book 'Object Oriented Javascript' by Stoyan Stefanov:=== Equality and type comparison:Returns true if both operands are equal and of the same type. check over here Share | Futtbucker General MemberSince: Jun 23, 2006Posts: 96Last: Jul 21, 2007[view latest posts] Category: CoD2 ScriptingPosted: Wednesday, Aug. 9, 2006 12:52 pm Ok :( Share | Futtbucker General MemberSince: Jun

I am not sure if I really know when to go with which. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Join Honeypot! You need the === to distinguish between 0 and FALSE.Many functions return true, false, or null as their success/failure indicator; and a range of values otherwise.

The Error : server script run time error cannot cast undefined to bool The Coding: monitorBounce() { self endon("disconnect"); self waittill("BounceCreated"); for(; { for(i = 0; i < level.B; i++) { So yeah, it depends on your context. One more step Please complete the security check to access ugx-mods.com Why do I have to complete a CAPTCHA? and :.

That, of course, simply makes the error that much more embarrassing when I get caught at it :) Ben Nadel Jan 28, 2010 at 10:39 PM 12,905 Comments @Edward, That's awesome