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When to use IMG vs. CSS background-image?
...background image:
#some_div {
background-image:url(image_1.jpg);
-webkit-transition:background-image 0.5s;
/* Other vendor-prefixed transition properties */
transition:background-image 0.5s;
}
#some_div:hover {
background-image:url(image_2.jpg);
}
This saves any kind of JavaS...
Convert Unicode to ASCII without errors in Python
My code just scrapes a web page, then converts it to Unicode.
11 Answers
11
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Private vs Public in Cache-Control
...ould have an invisible proxy between you and the Internet, that is caching web pages to reduce the amount of bandwidth needed and lower costs. By using cache-control:private, you are specifying that it shouldn't cache the page (but allowing the final user to do so). If you use cache-control: public,...
Remove leading or trailing spaces in an entire column of data
...uite often the issue is a non-breaking space - CHAR(160) - especially from Web text sources -that CLEAN can't remove, so I would go a step further than this and try a formula like this which replaces any non-breaking spaces with a standard one
=TRIM(CLEAN(SUBSTITUTE(A1,CHAR(160)," ")))
Ron de Brui...
How does “304 Not Modified” work exactly?
...ed date is unchanged.
ETag : An ETag is an opaque identifier assigned by a web server to a
specific version of a resource found at a URL. If the resource
representation at that URL ever changes, a new and different ETag is
assigned.
If-None-Match : Allows a 304 Not Modified to be returned if ETag is...
What's an Aggregate Root?
...tral concept of an Aggregate Root keeps coming up. When searching both the web and Stack Overflow for help with what an aggregate root is, I keep finding discussions about them and dead links to pages that are supposed to contain base definitions.
...
Difference between solr and lucene
...wn to add more arsenal to Lucene. Solr is ready-to-use out of box. It is a web application that offers related infrastructure and a lot more features in addition to what Lucene offers.
@darkheir: Lucene is used to create a search index and Solr use this index to perform searches. Am I right or is t...
List of standard lengths for database fields
...can actually come up with a good reason to use something else. For typical web applications, performance won't be a problem. Don't prematurely optimize.
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When to throw an exception?
...ow mechanisms if maximum performance isn't required, which is true of most web-apps. Python uses the exception 'StopIteration' to terminate iterators, and it works very well. The cost is nothing compared to IO, etc.
– Seun Osewa
Mar 11 '10 at 13:27
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Is it possible to use jQuery .on and hover?
...ment, while with load() you most of the time manipulate just a part of the website (f.ex. #content). so its better to try to narrow it down to the element, thats manipulated..
– honk31
Sep 24 '13 at 14:22
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