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ruby 1.9: invalid byte sequence in UTF-8
I'm writing a crawler in Ruby (1.9) that consumes lots of HTML from a lot of random sites.
When trying to extract links, I decided to just use .scan(/href="(.*?)"/i) instead of nokogiri/hpricot (major speedup). The problem is that I now receive a lot of " invalid byte sequence in UTF-8 " errors....
Make div stay at bottom of page's content all the time even when there are scrollbars
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Unfortunately you can't do this with out adding a little extra HTML and having one piece of CSS rely on another.
HTML
First you need to wrap your header,footer and #body into a #holder div:
<div id="holder">
<header>.....</header>
<div id="body">....<...
How to remove the default link color of the html hyperlink 'a' tag?
...e default link color is blue.
How to remove the default link color of the html hyperlink tag <a> ?
12 Answers
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How can you find the height of text on an HTML canvas?
...fixCanvas = function(ctx) {
// upgrade Firefox 3.0.x text rendering to HTML 5 standard
if (!ctx.fillText && ctx.mozDrawText) {
ctx.fillText = function(textToDraw, x, y, maxWidth) {
ctx.translate(x, y);
ctx.mozTextStyle = ctx.font;
ctx.mozDr...
How do you make div elements display inline?
Given this HTML:
19 Answers
19
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Call Javascript function from URL/address bar
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You can use Data URIs.
For example:
data:text/html,<script>alert('hi');</script>
For more information visit: https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs
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Create table using Javascript
... @Cerbrus I finally solved the issue by changing last line as: body.innerHTML = tbl.outerHTML it seems like appendChild updates dom structure but not rerender html view (modern browser does) but innerHTML directly affects html view.
– bdogru
Nov 23 '16 at 14...
Should I embed images as data/base64 in CSS or HTML
...words, no longer than 32768 characters.
It saves a request, but bloats the HTML page instead! And makes images uncacheable. They get loaded every time the containing page or style sheet get loaded.
Base64 encoding bloats image sizes by 33%.
If served in a gzipped resource, data: images are almost ce...
Reference: mod_rewrite, URL rewriting and “pretty links” explained
...ts. An HTTP request at its most basic level looks like this:
GET /foo/bar.html HTTP/1.1
This is the simple request of a browser to a web server requesting the URL /foo/bar.html from it. It is important to stress that it does not request a file, it requests just some arbitrary URL. The request may...
Unicode characters in URLs
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You can use the unencoded UTF-8 URLs, namely IRIs, in HTML5 documents by now. If you do that, all major browsers will understand it and display it correctly in their address bar.
– Oliver
Oct 23 '13 at 12:54
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