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Real mouse position in canvas [duplicate]
I'm trying to draw with the mouse over a HTML5 canvas, but the only way that it seems to work well is if the canvas is in the position 0,0 (upper left corner) if I change the canvas position, for some reason it doesn't draw like it should. Here is my code.
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How to hide a in a menu with CSS?
... in a <span> with display: none. FF won't do it (technically invalid HTML, per the spec) but Chrome and IE will and it will hide the option.
EDIT: Oh yeah, I already implemented this in jQuery:
jQuery.fn.toggleOption = function( show ) {
jQuery( this ).toggle( show );
if( show ) {
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Javascript - Append HTML to container element without innerHTML
I need a way to append HTML to a container element without using innerHTML. The reason why I do not want to use innerHTML is because when it is use like this:
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Assign an initial value to radio button as checked
How do I assign the value of a radio button initially as checked in HTML?
8 Answers
8
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Strange out of memory issue while loading an image to a Bitmap object
...g the android default cache system.
Solution:
Move the images to "assets" folder and use the following function to get BitmapDrawable:
public static Drawable getAssetImage(Context context, String filename) throws IOException {
AssetManager assets = context.getResources().getAssets();
Input...
How does inline Javascript (in HTML) work?
...ags or not, it's gonna be interpreted the same way.
https://www.w3.org/TR/html5/webappapis.html#event-handler-idl-attributes
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New line in text area
I tried both but new line is not reflecting while rendering the html file.
How can I do that?
12 Answers
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How can I upload files asynchronously?
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With HTML5 you can make file uploads with Ajax and jQuery. Not only that, you can do file validations (name, size, and MIME type) or handle the progress event with the HTML5 progress tag (or a div). Recently I had to make a file u...
Do checkbox inputs only post data if they're checked?
...", this should be consistent across browsers.
This is covered in the W3C HTML 4 recommendation:
Checkboxes (and radio buttons) are on/off switches that may be toggled
by the user. A switch is "on" when the control element's checked
attribute is set. When a form is submitted, only "on" chec...
Executing elements inserted with .innerHTML
I've got a script that inserts some content into an element using innerHTML .
20 Answers
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