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Difference between Repository and Service Layer?
...ns. What this typically means for me in practice when building Asp.net MVC sites is that I have this structure
[Controller] calls [Service(s)] who calls [repository(ies)]
One principle I have found useful is to keep logic to a minimum in controllers and repositories.
In controllers it is because...
What is the difference between RDF and OWL? [closed]
...s is very exciting as it means you can start joining up data from multiple sites (this is "Linked Data").
You can also use the OWL to infer implicit facts, such as "C isAncestorOf E".
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impr...
What is Cache-Control: private?
...ge:
200 OK
Cache-Control: max-age=60
Expires: 20180403T192837
Any web-site written after 1998 should not use Expires anymore, and instead use max-age.
What is ETag?
ETag is similar to Last-Modified, except that it doesn't have to be a date - it just has to be a something.
If I'm pulling a l...
Migrating from JSF 1.2 to JSF 2.0
... Facelets 2.0 immediately, then you need to do a lot of changes before the site can go live. You're basically changing the view technology here.
Master page changes
On every master page, you need to change the following basic JSP template..
<%@page contentType="text/html" pageEncoding="UTF-8"...
Should I use tag for icons instead of ? [closed]
...
These websites have millions of pages viewed each day. If they save 100 bytes of data each time a client request a page with this practice, they save a significant amount of bandwidth.
– Dalmas
J...
Logging levels - Logback - rule-of-thumb to assign log levels
...s that something normal and insignificant happened; a new user came to the site, a page was rendered, an order was taken, a price was updated. This is the stuff excluded from info because there would be too much of it.
Trace is something i have never actually used.
...
How do I pass variables and data from PHP to JavaScript?
...roduces when making an AJAX request? When working on a JavaScript light website - making an AJAX request is tedious and not best practices.
– Benjamin Gruenbaum
May 19 '14 at 14:44
...
How do emulators work and how are they written? [closed]
...you handle a given instruction, you have to decode it and perform the requisite operation.
With dynamic recompilation, you iterate over the code much like interpretation, but instead of just executing opcodes, you build up a list of operations. Once you reach a branch instruction, you compile this ...
Fastest hash for non-cryptographic uses?
...
There's a speed comparison on xxhash site. Copy pasting it here:
Name Speed Q.Score Author
xxHash 5.4 GB/s 10
MumurHash 3a 2.7 GB/s 10 Austin Appleby
SpookyHash 2.0 GB/s 10 Bob Jenkins
SBox ...
Integrating the ZXing library directly into my Android application
...gra~1\Java\jdk1.6.0_25
the reason for the shorter syntax I found at some site which says:
"It is strongly advised that you
choose an installation directory that
does not include spaces in the path
name (e.g., do NOT install in
C:\Program Files). If Java is
installed in such a directo...