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What is the difference between SAX and DOM?
... node.
Use SAX parser when memory content is large.
SAX reads the XML file from top to bottom and backward navigation is not possible.
Faster at run time.
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When should we use intern method of String on String literals
...ing to String#intern() , intern method is supposed to return the String from the String pool if the String is found in String pool, otherwise a new string object will be added in String pool and the reference of this String is returned.
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Behaviour of final static method
... be redirected to the one in B.
The keyword final will disable the method from being hidden. So they cannot be hidden and an attempt to do so will result in a compiler error.
Hope this helps.
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Can't subtract offset-naive and offset-aware datetimes
... have a timezone aware timestamptz field in PostgreSQL. When I pull data from the table, I then want to subtract the time right now so I can get it's age.
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Why doesn't Java offer operator overloading?
Coming from C++ to Java, the obvious unanswered question is why didn't Java include operator overloading?
16 Answers
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How to send a simple string between two programs using pipes?
...yfifo";
char buf[MAX_BUF];
/* open, read, and display the message from the FIFO */
fd = open(myfifo, O_RDONLY);
read(fd, buf, MAX_BUF);
printf("Received: %s\n", buf);
close(fd);
return 0;
}
Note: Error checking was omitted from the above code for simplicity.
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any tool for java object to object mapping? [closed]
... Dozer is a Java Bean to Java Bean
mapper that recursively copies data
from one object to another. Typically,
these Java Beans will be of different
complex types.
Dozer supports simple property
mapping, complex type mapping,
bi-directional mapping,
implicit-explicit mapping, as we...
How to decide when to use Node.js?
...ited for applications where you'd like to maintain a persistent connection from the browser back to the server. Using a technique known as "long-polling", you can write an application that sends updates to the user in real time. Doing long polling on many of the web's giants, like Ruby on Rails or D...
How can I install pip on Windows?
...wealth of libraries accessible to everyone. Newbies are no longer excluded from using community libraries by the prohibitive difficulty of setup. In shipping with a package manager, Python joins Ruby, Node.js, Haskell, Perl, Go—almost every other contemporary language with a majority open-source c...
Calling parent class __init__ with multiple inheritance, what's the right way?
... it seems that unless I know/control the init's of the classes I
inherit from (A and B) I cannot make a safe choice for the class I'm
writing (C).
The referenced article shows how to handle this situation by adding a wrapper class around A and B. There is a worked-out example in the section t...