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Im working on a project where I need to visualize the G-force on a spaceship. I want to accomplish this with creating an accelometer (something like a seismogram see picture for an example)
Is is possible to create this using CSS/JavaScript?
The accelometer needs to run infinite creating random data for the G-force on the spaceship.
It sure is possible with CSS and JS.
The question is wether you want to do it that way.
If I were you I'd choose to use the HTMLCanvasElement to display the data generated by either JavaScript on the client side or the server side language of your choice on the server.
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I'm currently learning JS as a project i decided to make a memory game with the function of connecting questions with answers
currently its matching the cards when they share the same image and for my project I need to make pairs of cards with different images
Could anyone give me an alternative to giving values to the cards, I would like to give classes to the cards manually
return card.getElementsByClassName('card-value')[0].src;
Very easy way is to store values/data using data attributes. Here's a quick overview:
https://developer.mozilla.org/en-US/docs/Learn/HTML/Howto/Use_data_attributes
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Does anyone have a simple solution to extract frames from a gif using javascript?
I know some online tools like Ezgif and Gif-explode, but I'm wondering if this is also possible using just javascript?
For a client-side solution I'd recommend to have a look at libgif-js.
It allows to step to a specific frame in the GIF and you could then use the Canvas API to capture a single frame by drawing the image to the canvas and then getting the Data URL.
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I want to make app like canva but i dont know where to start, i have good experience in html and css but a basic javascript.
I need to know what they use.
How to save html data to image like canva functions.
How they save the data and load it again.
I already try Html2canvas but problem in images limit.
You should use Javascript canvas libraries like Fabricjs
but i don't think that basic knowledge of javascript would be enough for such app you will have to improve your javascript skills to an at least intermediate level.
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I'm building a public database of scientific data.
By now I have a postgres 9.1 database running on a machine, and I've been using psycopg2 to interact from python 2.7.
At the other hand, I'm working on a Boilerplate html interface.
The question is, how to build the interaction between the webpage and the python/postgres database? which library should I use ?
Thanks in advance
What you're looking for is a web framework. Finding the right one is a hard choice and source of lots of discussions. Have a look at this list: http://wiki.python.org/moin/WebFrameworks
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I want to put a sprite image in my website, and use javascript to crop it to many separate images, then put these images into an image array.
Is this possible? Thanks.
Take a look at jCrop, if you're using jQuery or JavaScript Image Cropper UI if you're using prototype.
What server-side language are you using? If you just want a straight crop w/o the graphical interface it might be better to do it server side.
If you're using PHP, check out this tutorial on nettuts
If you're using Ruby on Rails, check out Paperclip