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Use cases for the 'setdefault' dict method
..., because it only creates keys on explicit access. Think you use something HTTP-ish with many headers -- some are optional, but you want defaults for them:
headers = parse_headers( msg ) # parse the message, get a dict
# now add all the optional headers
for headername, defaultvalue in optional_head...
Class.forName() vs ClassLoader.loadClass() - which to use for dynamic loading? [duplicate]
... return forName0(className, true, ClassLoader.getCallerClassLoader());
}
http://docs.oracle.com/javase/1.4.2/docs/api/java/lang/ClassLoader.html
http://docs.oracle.com/javase/1.5.0/docs/api/java/lang/Class.html#forName(java.lang.String)
Hint: Primordial class loader
http://docs.oracle.com/javas...
How can I resize an image dynamically with CSS as the browser width/height changes?
... weird IE bug). To fix this, you need to add width:auto\9 for IE8.
source: http://webdesignerwall.com/tutorials/responsive-design-with-css3-media-queries
CSS:
img {
max-width: 100%;
height: auto;
width: auto\9; /* ie8 */
}
And if you want to enforce a fixed max width of the image, just...
How set the default repository
...
It's in the .hg/hgrc file.
[paths]
default = http://myserver/hg/repo1
default-push = ../mytestrepo
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How do I find the absolute url of an action in ASP.NET MVC?
...oller exists. I would suggest the use of Request.Url.Scheme instead of the http, that way http and https are both supported.
– Pbirkoff
Mar 16 '12 at 10:25
2
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How can I get the MAC and the IP address of a connected client in PHP?
...and make a hash of it, for example md5($_SERVER['REMOTE_ADDR'] . $_SERVER['HTTP_USER_AGENT']);. It definently isn't bulletproof but its a start. Another more easier and secure way is setting a cookie with a unique hash. When using that cookie everytime you are sure which user is connecting to your w...
JavaScript: What are .extend and .prototype used for?
...party libraries to make it easy to create objects from other objects. See http://api.jquery.com/jQuery.extend/ or http://www.prototypejs.org/api/object/extend for some examples.
.prototype refers to the "template" (if you want to call it that) of an object, so by adding methods to an object's prot...
How do I know which version of Javascript I'm using?
...
Click on this link to see which version your BROWSER is using: http://jsfiddle.net/Ac6CT/
You should be able filter by using script tags to each JS version.
<script type="text/javascript">
var jsver = 1.0;
</script>
<script language="Javascript1.1">
jsver = 1.1;
&...
How may I sort a list alphabetically using jQuery?
...(listitems, function(idx, itm) { mylist.append(itm); });
From this page: http://www.onemoretake.com/2009/02/25/sorting-elements-with-jquery/
Above code will sort your unordered list with id 'myUL'.
OR you can use a plugin like TinySort. https://github.com/Sjeiti/TinySort
...
Spring DAO vs Spring ORM vs Spring JDBC
...n of the latest release (4.1.6, covering all topics) :
Single html page: http://docs.spring.io/spring/docs/current/spring-framework-reference/htmlsingle/
PDF: http://docs.spring.io/spring/docs/current/spring-framework-reference/pdf/spring-framework-reference.pdf
Spring-data is not part of the Sp...