PHP2008-08-14
History and origin of PHP
Some time in 1994 when Rasmus Lerdorf put together a bunch of Perl scripts to track down who was looking at his resume. Little by little, people started to get interested in the sc
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JSP2008-08-13
Using UTF-8 in JSP / ASP / HTML pages.
There are two ways in which a HTTP server can indicate to a client that a document is encoded in UTF-8:
Read tutorialC2008-08-13
Unicode and UTF-8 in C
Starting with GNU glibc 2.2, the type wchar_t is officially intended to be used only for 32-bit ISO 10646 values, independent of the currently used locale. This is signalled to app
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What is UTF-8?
UCS and Unicode are first of all just code tables that assign integer numbers to characters. There exist several alternatives for how a sequence of such characters or their respect
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Unicode vs ISO 10646?
The Unicode Standard published by the Unicode Consortium corresponds to ISO 10646 at implementation level 3. All characters are at the same positions and have the same names in bot
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What is Unicode?
In the late 1980s, there have been two independent attempts to create a single unified character set. One was the ISO 10646 project of the International Organization for Standardiz
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Java2008-08-13
What are combining characters?
Some code points in UCS have been assigned to combining characters. These are similar to the non-spacing accent keys on a typewriter. A combining character is not a full character
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What is UCS? What is ISO 10646?
The international standard ISO 10646 defines the Universal Character Set (UCS). UCS is a superset of all other character set standards. It guarantees round-trip compatibility to ot
Read tutorialInterview2008-08-13
Interview Question: What is the difference between Message Driven Beans and Stateless Session beans?
In several ways, the dynamic creation and allocation of message-driven bean instances mimics the behavior of stateless session EJB instances, which exist only for the duration of a
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Interview Question: Is it possible to share an HttpSession between a JSP and EJB? What happens when I change a value in the HttpSession from inside an EJB?
You can pass the HttpSession as parameter to an EJB method, only if all objects in session are serializable.This has to be consider as passed-by-value, that means that it's read-on
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Interview Question: What is the difference between find and select methods in EJB?
A select method can return a persistent field (or a collection thereof) of a related entity bean. A finder method can return only a local or remote interface (or a collection of in
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Interview Question: What is the difference between JavaBean and EJB?
A Java Bean is a software component written in the Java programming language that conforms to the JavaBeans component specification. The JavaBeans APIs became part of the "core" Ja
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