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Polymorphism with gson
I have a problem deserializing a json string with Gson.
I receive an array of commands. The command can be start, stop , some other type of command. Naturally I have polymorphism, and start/stop command inherit from command.
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Git commits are duplicated in the same branch after doing a rebase
I understand the scenario presented in Pro Git about The Perils of Rebasing . The author basically tells you how to avoid duplicated commits:
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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
A co-worker claimed recently in a code review that the [[ ]] construct is to be preferred over [ ] in constructs like
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Why doesn't Java Map extend Collection?
I was surprised by the fact that Map<?,?> is not a Collection<?> .
9 Answers
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Is 23,148,855,308,184,500 a magic number, or sheer chance?
News reports such as this one indicate that the above number may have arisen as a programming bug.
7 Answers
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How do ACID and database transactions work?
What is the relationship between ACID and database transaction?
8 Answers
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How to unset a JavaScript variable?
I have a global variable in JavaScript (actually a window property, but I don't think it matters) which was already populated by a previous script but I don't want another script that will run later to see its value or that it was even defined.
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How do you loop through each line in a text file using a windows batch file?
I would like to know how to loop through each line in a text file using a Windows batch file and process each line of text in succession.
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Which is the fastest algorithm to find prime numbers?
Which is the fastest algorithm to find out prime numbers using C++? I have used sieve's algorithm but I still want it to be faster!
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What is the common header format of Python files?
I came across the following header format for Python source files in a document about Python coding guidelines:
4 Answers
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