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Simulator or Emulator? What is the difference?
...onfused about them. Assume that I create a piece of software that mimics existing hardware/software, what should I call it? A simulator or an emulator?
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Semaphore vs. Monitors - what's the difference?
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A Monitor is an object designed to be accessed from multiple threads. The member functions or methods of a monitor object will enforce mutual exclusion, so only one thread may be performing any action on the object at a given time. If ...
Difference between WAIT and BLOCKED thread states
What is the difference between thread state WAIT and thread state BLOCKED?
6 Answers
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Compiled vs. Interpreted Languages
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A compiled language is one where the program, once compiled, is expressed in the instructions of the target machine. For example, an addition "+" operation in your source code could be translated directly to the "ADD" instruction in machine code...
How to create a generic array in Java?
Due to the implementation of Java generics, you can't have code like this:
31 Answers
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Is SHA-1 secure for password storage?
Conclusion: SHA-1 is as safe as anything against preimage attacks, however it is easy to compute, which means it is easier to mount a bruteforce or dictionary attack. (The same is true for successors like SHA-256.) Depending on the circumstances, a hash function which was designed to be computation...
How do I check that a number is float or integer?
How to find that a number is float or integer ?
44 Answers
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Why can't static methods be abstract in Java?
The question is in Java why can't I define an abstract static method? for example
25 Answers
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Difference between partition key, composite key and clustering key in Cassandra?
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There is a lot of confusion around this, I will try to make it as simple as possible.
The primary key is a general concept to indicate one or more columns used to retrieve data from a Table.
The primary key may be SIMPLE and eve...
What is the difference between a port and a socket?
This was a question raised by one of the software engineers in my organisation. I'm interested in the broadest definition.
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