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What is object serialization?
...ll be serialized before it is sent over a stream. How much you need to do, and what format it will be in, are both dependent on which platform and libraries you are using.
– TarkaDaal
Jul 31 '14 at 15:03
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How to inherit constructors?
Imagine a base class with many constructors and a virtual method
14 Answers
14
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When should I use mmap for file access?
... environments provide at least two ways of accessing files. There's the standard system calls open() , read() , write() , and friends, but there's also the option of using mmap() to map the file into virtual memory.
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When should I use a NoSQL database instead of a relational database? Is it okay to use both on the s
...about them lately, but I'm still unsure why I would want to implement one, and under what circumstances I would want to use one.
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Found conflicts between different versions of the same dependent assembly that could not be resolved
When I clean and then build my solution that has several projects, the output window reports that the build succeeded. However, when I view the Error List Window , it shows me this warning:
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RegEx for matching UK Postcodes
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I'd recommend taking a look at the UK Government Data Standard for postcodes [link now dead; archive of XML, see Wikipedia for discussion]. There is a brief description about the data and the attached xml schema provides a regular expression. It may not be exactly what you want bu...
When to throw an exception?
...e 1: say I have a function which is supposed to examine an arbitrary class and return true if that class inherits from List<>. This function asks the question, "Is this object a descendant of List?" This function should never throw an exception, because there are no gray areas in its operation...
What is the significance of load factor in HashMap?
HashMap has two important properties: size and load factor . I went through the Java documentation and it says 0.75f is the initial load factor. But I can't find the actual use of it.
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How to test that no exception is thrown?
...I have noticed this question garners interest from time to time so I'll expand a little.
Background to unit testing
When you're unit testing it's important to define to yourself what you consider a unit of work. Basically: an extraction of your codebase that may or may not include multiple methods...
Java exception not caught?
...ptly for reason S, then the try statement completes abruptly for reason S (and reason R is discarded).
So, when there is a catch block that throws an exception:
try {
// ...
} catch (Exception e) {
throw new Exception("2");
}
but there is also a finally block that also throws an exceptio...