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How do I make a textarea an ACE editor?
... additional div and update textarea using .getSession() function instead.
html
<textarea name="description"/>
<div id="description"/>
js
var editor = ace.edit("description");
var textarea = $('textarea[name="description"]').hide();
editor.getSession().setValue(textarea.val());
edito...
How to get index in Handlebars each helper?
... } else {
ret = inverse(this);
}
return ret;
});
HTML:
{{#eachData items}}
{{index}} // You got here start with 0 index
{{/eachData}}
if you want start your index with 1 you should do following code:
Javascript:
Handlebars.registerHelper('eachData', function(context, ...
What is ViewModel in MVC?
... <td><b>First Name:</b></td>
<td>@Html.TextBoxFor(m => m.FirstName, new { maxlength = "50", size = "50" })
@Html.ValidationMessageFor(m => m.FirstName)
</td>
</tr>
<tr>
<td><b>Las...
Calculate text width with JavaScript
...
In HTML 5, you can just use the Canvas.measureText method (further explanation here).
Try this fiddle:
/**
* Uses canvas.measureText to compute and return the width of the given text of given font in pixels.
*
* @param {Stri...
Why does jQuery or a DOM method such as getElementById not find the element?
...eliant script can have a profound effect upon its behavior. Browsers parse HTML documents from top to bottom. Elements are added to the DOM and scripts are (generally) executed as they're encountered. This means that order matters. Typically, scripts can't find elements which appear later in the mar...
Black transparent overlay on image hover with only CSS?
... Demo
References
https://dvcs.w3.org/hg/FXTF/raw-file/tip/filters/index.html
http://www.html5rocks.com/en/tutorials/filters/understanding-css/
https://developer.mozilla.org/en-US/docs/Web/CSS/filter
http://davidwalsh.name/css-filters
http://net.tutsplus.com/tutorials/html-css-techniques/say-hello...
How do I keep two side-by-side divs the same height?
...jQuery
Using jQuery, you can do it in a super simple one-line-script.
// HTML
<div id="columnOne">
</div>
<div id="columnTwo">
</div>
// Javascript
$("#columnTwo").height($("#columnOne").height());
Using CSS
This is a bit more interesting. The technique is called Faux ...
Cookies on localhost with explicit domain
...nsider them invalid. (See reference on http://curl.haxx.se/rfc/cookie_spec.html)
When working on localhost, the cookie domain must be omitted entirely. Just setting it to "" or NULL or FALSE instead of "localhost" is not enough.
For PHP, see comments on http://php.net/manual/en/function.setcookie...
How to specify HTTP error code?
...es.status(400);
res.send('None shall pass');
http://expressjs.com/4x/api.html#res.status
<=3.8
res.statusCode = 401;
res.send('None shall pass');
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
Using the HTML5 <canvas> element, I would like to load an image file (PNG, JPEG, etc.), draw it to the canvas completely transparently, and then fade it in. I have figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn.
...