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I have created a fileWatcher(running as a service) in C# which calls PHP script through URL whenever there is a change in Folder.
I want to load the web page with new data when there is change in file.
I have tried doing this using javascript Eventsource by calling PHP and echoing by C# whenever there is change in file but no luck.
Any suggestions how would I tackle this problem.
I have solved this problem by checking file size every minute and responding to event source. Only overhead is checking file every 1 minute.
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I have a very simple question: when loading a web page the Page_Load function is called so that the page can be loaded. In this function can I insert some code that allows me to select and view in the browser the data present in an external database?
This answer could be of help.
You could then write a script that fetches data from a database. How you do that is a question in it self but I can recommend checking out w3schools which is good for learning plain Javascript in the beginning.
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I need to do some image processing on a browser where I upload images and with my python script, it manipulates the images. In the end, I just want to open an HTML page where I can simply use buttons there to process my python script. Please tell me how can I do it? I don't know much about web development. I don't need to host a website. I just want to do it locally so that if I give my files to anyone they can access it by just opening the HTML document.
If you want to practice and you need to upload an image and processing in your web app you need to use Phyton(with Django should be more fast to create what you want) and MySQL(or another database) to save the data.
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I tried using java script but it didn't work. I also tried php imagegrabscreen() but it demands URL whereas I have a customer's page URL different for everyone ex: /member.php?email=shady#gmail.com&code=A101_123 .
Basically I want to store user's screenshot so he can be able to see those images of his activity. So any solution?
I would recomment to take a look at html2canvas. It is a JavaScript solution that works on the client side. Only problem: It takes the current DOM from the user and builds a picture with the browser engine. So it is not 100% accurate, but pretty close.
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I'm new to PHP, and I'm trying to achieve this:
The problem is, I don't even know is it possible using any combination of PHP/Javascript or JQuery. Whenever user is redirected to UI, the function state is lost and cannot be resumed from where it left, after the successful completion of UI tasks.
Is there any possible solution to achieve this? I know I can create a new method and call that after user clicks OK. But my requirement is to not breakdown the function in further modules.
Thanks in advance.
No, PHP is a scripting language: script runs, does something and dies. And so on every request. Make your code stateless, we have files and DBs and other storages for state.
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Here is my goal:
Create some JavaScript action (some function call) that will be timed perfectly between two different clients.
Explanation:
I want a function to be called exactly on the same millisecond on two different browsers/computers no matter when the client accessed the web page.
I thought about creating a time base using the server time but im not sure this will work.
I think you should be using something Node.JS or APE (Ajax Push Engine) to achieve this.
so you want to do like this scenario: user come visit your webpage and he has to wait few seconds that page is shown?
This is useless to do in my opinion, unless you want to flood server with tons of requests..