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I'm new to javascript and so I don't fully understand passing objects... my final product is simple build a comma separated counter that doesn't reset when someone refreshes the page. Guymid build a jsbin demo http://jsbin.com/IyavAPoN/1/edit. It seems that the solution to my problem is pretty straightforward but I can't seem to put them together.
to not reset, someone suggested using sessionStorage which seem to work on another code but I can't seem to incorporate it to the codes that I have as reflected in the JSBin Link.
Any help is much appreciated.
The way to do it is simply do localStorage: http://jsbin.com/ogeYOZa/2/ i basically just store values in localStorage and that's the only difference. However, there are a few more: Instead of just using +=1 to increment values, I use parseInt because localStorage values are strings.
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In my phonegap application i like to call this function, where i should this piece of code whether inside the receiver or inside third party plugin
https://stackoverflow.com/a/18072720/1482099
You have no reason to call this function.
You should be aware that GCMRegistrar is deprecated. In addition, the getRegisterOnServerLifespan wasn't very useful even when it wasn't deprecated.
BTW, that method has nothing to do with the question that the answer in your link was supposed to answer. It returns an arbitrary time period after which the registration ID is considered expired, while the question was about expiration of the API key.
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So i'm using phonegap build with, html5 jqm and javascript and css obviously.
i have a local rss feed in xml format that has been made and will be updated with new events etc.
i want the RSS feed to show like a list basically at the moment i'm no bothered with anything fancy look as i've not even managed to get it to show up, all my efforts have been futile.
Any answers accepted. For practicality lets call the feed rss.xml.
Thanks!
You may use jfeed, for example
jQuery.getFeed({
url: 'rss.xml',
success: function(feed) {
console,log(feed.title);
}
});
Also, you can use $.get, here is an example for PhoneGap and an article worth reading.
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Because of browser related issues (ie, the view being different), I have two versions of a script. one that works on everything but IE, and one I wrote specifically to accomodate IE.I found this other script that detects what browser someone is using when they access a website. I was wondering, if there was anyway i could:
1.run this browser detect script FIRST to determine the boolean for IE/not IE
2. then, determining on this value, run one script or the other?
So... What's stopping you from doing:
var IE = checkBrowserFunction;
if(IE) {
doStuff();
}
? I mean, that seems fairly simple.
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In this simple animation, the result of the addition in line 56:
this.elapsedTime += dt;
of the JS script is something like -1378499284830.2598 for no particular reason.
In fact the numbers that I'm adding are two "normal" numbers.
UPDATE:
And this is the revision that worked.
The problem in your code is not in the addition, but on line 86:
var dt = timestamp - last_frame_update_time;
frame = coin_animation.update(dt);
There, in the first call you obtain the negative value you are trying to add later. I'd recommend debugging that using something like chrome dev tools.
EDIT: You are trying to do an operation between two values that have nothing to do between themselves.
timestamp is the parameter received from requestAnimationFrame (check the docs), and the other one is new Date().getTime(); which is not appropriate.
Try changing line 96 to:
last_frame_update_time = 0;
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I want to display in a browser a web page which contains:
a number of objects with predictable shapes (squares, rectangles etc)
the user should have the ability to connect these objects using arrows (please see image link)
http://img850.imageshack.us/img850/6999/o33z.jpg
In addition the user should be able to move the objects, and the connecting arrows need to move with the objects so that the arrows keep point to the same objects.
Are there any current web technologies that can to that or is there one that will be a good fit to start using as a basis. I have not done any web work so even javascript might be your answer but please guide me with some specifics.
Look into Jquery UI. There's plenty of abilities in here to do what you specified above. Or you could do it using Flash/ActionScript, although that seems to be (arguably) a diminishing technology.
You can find info on how to use JueryUI here, http://jqueryui.com/draggable/