Blogs by topic Blogs and user mkarg
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Programming
You want JAXB to unmarshal singletons? You already spent lots of time coding rather complex workarounds applying XmlAdapters and afterUnmarshal callbacks? The solution is astonishingly simple!
It's been a few months already that the expert group of JSR 339 started discussion about the details of JAX-RS 2.0. The target defined by spec lead Oracle are clear: Java EE 7 shall have a RESTful API that augments current JAX-RS 1.1 API by (among others) a Client API, HATEOAS support and asynchronous invocations. So what's the current status?
These days I got a feeling as if professional software products get worse with every release. One cause is a fatal misunderstanding of best practices by the big stakeholders. Looking at their current products, one should ask them to "Release Late, Release Rarely"!
Today I had enough from typing lenghty paths and ".jar" extensions, so I taught Windows to deal with JARs the same way it deals with EXEs and CMDs.
Iterating over an Enumeration with the for-each statement would be fine, but the JRE's default support is not very smart. So I wrote my own utility providing five times better speed, using virtually no heap space.
Sick of XALAN bugs in GlassFish? Time to pimp your container!
Several APIs demand that the user is implementing the .hashCode() method. There are lots of standard implementations on the web, so the question is, what performance impact the implemenation of .hashCode() will have. I did some tests...
GUI
When programming in Java, everywhere I go I stumble over "dead" technology. That's a mess, since that technology was really great and still would be very useful. But some day, "someone" just declared it's death. But why?
You think that with Unicode
™ the stone age is over and your Java software will print even egyptic hieroglyphs? Dream on!
Education
Sometimes it makes sense to wrap a single code line into a class. An example is implementing the Range pattern.
A lot of applications these days title themselves RESTful. But how much REST is needed to be RESTful?
Community
I'm used to find my name on my very own articles. But today I was rather excited when seeing myself cited on JavaWorld's web site.
For meanwhile more than 25 years I am writing computer programs. More than a decade I spent with programs accessing databases, virtually always relational ones. I soon learned that this is rather hard work. Not only that you need to know about the theory behind RDBMS iself, but also you need to know the technical APIs (like ODBC, ADO, RDO, JDBC, JDO, JPA, CMP, ...), the structure of...
Like to use XSLT 2.0 but fear to switch to SAXON? Just drop saxon9he.jar into JRE's lib/ext folder and you're done! NO FEAR, IT WILL WORK.
So finally, after endless nights, my new web site Head Crashing Informatics www.headcrashing.eu is finished -- and inviticon's, too www.inviticon.eu!
Mobility
Today I read that Apple finally allows interpreted code on the iPhone. When will Oracle deliver Java for iOS?
Databases
Finally iAnywhere answered my prayers and implemented support for JDBC batch mode into their latest (and fastest) driver. But at surprisingly bad performance. Let's see why.
If you wonder whether the style of use with JDBC API has an impact of performance, you might like to read my latest blog entry on Head Crashing Informatics. While the entry mostly is about tuning SQL Anywhere's BLOB handling performance, it contains an interesting aspect: There are three ways to deal with BLOBs in JDBC, and the performance difference is tremendous. While obvious for the JDBC...
Research
Last week I gave a brief explanation of Web 3.0 and The Semantic Web to students at the college I attended more than ten years back. Possibly you are interested in the way Terminator and The Matrix will become real, then you should read on.
JSR
There is much discussion these days about HATEOAS (Hypermedia as the engine of application state) so it gets time to clearly say what HATEOAS actually means.
