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I have a view counter on my website that plots the time spent by a viewer on the site to a Thingspeak chart. I want it to not count my views. So it should detect me. I could maybe change the value of a boolean in Console but that isnt feasible. I thought about storing a cookie on my computer and the website would read it to see if it's me but then its crossite samesite stuff I don't understand. Then I thought about checking if the viewer's IP address is mine. Apparently you need server-side stuff for that and GitHub doesn't allow that. Any more ideas?
A really simple hacky solution without using IP checking / backend logic would be to set a localStorage value to something that shouldn't exist normally. With the site loaded, open your browser console and assign something, eg
localStorage.userIsIshanGoel = 'yes';
Then, in the script on your page, just check that property before running the code that increments the view count:
if (localStorage.userIsIshanGoel !== 'yes') {
incrementViewCount();
}
It's not foolproof - for example, someone could examine the source code of the page and set the property themselves, but if the view count is just for your personal informational use, that's quite unlikely to happen (and even then, that's only a single user).
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When typing some url, e.g www.google.com (or www.news.com or any other), some client-side code gets downloaded to my local machine, so that the browser can display and run whatever is in there.
I would like to look at that code and maybe slightly modify it.
My google searches failed, probably because I am unfamiliar with the correct terminology for what I am searching. I wasn't even sure about which tags to put on this question.
Where are websites client-side files stored locally? Specifically on chrome, windows 10
If you want to view and edit at the source of the page you're currently looking at, and have your changes reflected in the page immediately, use the browser developer tools (this will be much better than "View source", as it will interpret any clientside DOM generation, give you a collapsible, edited, nested-list view of the DOM, etc).
If you want to make changes that would persist, i.e. every time you view a particular website your changes will be applied to it automatically, then you're looking at building yourself a browser extension, either for your specific browser or cross-browser.
Browsers don't, as far as I know, store the source of a page during render on disk in any way that can be viewed or usefully modified.
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I know I could utilize client-side storage, cookies, WebSQL to make an app independent of the internet if the tablet/phone went offline for a bit. But at the end of the day if the user refreshes the browser, the site will try to load the HTML/CSS/JS and it's going to fail to load. I haven't been keeping up on HTML5 enhancements in the last year so I'm wondering if something like this exists. For instance specifically telling the browser to cache the static assets and use them again upon reload unless newer versions exist.
NOTE: I'm only interested in how to allow the page to go through a reload with the site offline if such thing exists.
I believe that #NickZuber has answer my question with his link. The thing I was looking for is
Application Cache
Works on most (90%+) modern browsers Best suited for storing
application code
The only option to reliably load a website from nothing offline
Can storage a significant amount of data (50mb+)
Very difficult use without causing unintended consequences for most
websites
Here is a working example of it in action. You can essentially turn off your internet, hit refresh on the browser, close the browser and re-open it. Whatever you want and the app loads up just fine complete with Images, CSS Styles, and Javascript.
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I wrote a small code in c# that reads files from the hard drive and outputs that info to a webpage using asp.net.
Information about those files is being changed in the codebehind.
I managed to create variables to read and display the info on the webpage, but they change only after a refresh. When I used setTimeout it would always read the same variable, leaving me thinking that the codebehind does not get re-executed.
How would it be possible to have them updated live without needing to refresh the entire page?
This is somewhat vague but if you want updates to the values on your page after loading, you'll need to use some javascript to grab new values and then more javascript to update values on your page.
There are some great frameworks out there. Unless you have a lot of front-end logic you need to perform through javascript, I'd keep it as simple as possible and throw jQuery in there for the AJAX calls (fyi, this is not the only solution, there are 10+ different ways to skin this same cat).
If you want a bit more efficiency, you could look into using SignalR - which wraps long polling or web sockets (depending on browser capability) on the front end and signals those subscribing pages on the backend only when changes have occurred to data.
Link: http://www.asp.net/signalr
There is no "right" answer to your question so the best I or anybody can do is guide you in a direction. Hopefully this answer helps you.
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I have been searching across the Web to find a solution to this:
Basically what I want to setup is a way to have an HTML page on a live production site to kept updated. This is because I have setup a SilverStripe Application as part of a graphics system (green chroma key) that runs through normal HTML.
AJAX load doesn't seem to be an option here since the load would be every 1 second or half a second to make sure the page is live.
I looked into web socket quite vaguely but the whole concept of integrating it with my project confused me entirely.
Anyone got any ideas of what could be done?
To do this you'll need a combination of:
AJAX, you'll need to never do a full page load after the initial Web 1.0 request.
Session history management, you'll need this in order to not break the browser navigation (e.g. back/forward buttons).
Web Sockets, you'll need this so when new content arrives on the server it is received by the client without first having to poll the server.
Web sockets will be the greatest challenge. I listed them in the order in which you should approach the project, in three phases.
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What is the best script to use for showing the current visitors or guests Online?
Thanks!
As #Ryan Smith suggested, this greatly depends on the implementation details of the website. I'm sure that there is a off-the-shelf framework offering a storefront application with all the bells and whistles (such as the types of scripts you are mentioning); however, these can range anywhere from being free and open source, or very expensive.
Implementing a script like this yourself isn't very difficult. Assuming that you're keeping track of the users on the website in some form of data store (typically a backend database) you could do something like this:
When the page loads, fire a JavaScript that makes an Ajax request
Have the page that's the target of the Ajax request select a count of the number of rows in the table storing the active users. Return this result.
When the request completes, have the Ajax callback insert the number into the DOM in whatever place you'd like.
You can set this process to repeat at certain intervals so that the pages containing the script are dynamically updated showing a relatively up to date count of the number of users online.
I think it all depends on how your tracking who's online within your application.
Usually, when someone logs-in, you create a session for them that you could iterate through based on whatever language you are using.
You have to keep in mind that HTTP is a stateless environment, so determining when someone is online is largely subjective as to your opinion as to how long ago they logged in.