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How do I clone a generic List in Java?
I have an ArrayList<String> that I'd like to return a copy of. ArrayList has a clone method which has the following signature:
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Understanding Spring @Autowired usage
I am reading the spring 3.0.x reference documentation to understand Spring Autowired annotation:
3 Answers
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When do you need to explicitly call a superclass constructor?
So say I have a subclass that extends a superclass. In what scenarios do I need to explicitly type super() to get the superclass constructor to run?
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How do I restore a dump file from mysqldump?
I was given a MySQL database file that I need to restore as a database on my Windows Server 2008 machine.
17 Answers
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Capture screenshot of active window?
I am making a screen capturing application and everything is going fine. All I need to do is capture the active window and take a screenshot of this active window. Does anyone know how I can do this?
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Two way sync with rsync
I have a folder a/ and a remote folder A/.
I now run something like this on a Makefile:
10 Answers
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Get the current git hash in a Python script
I would like to include the current git hash in the output of a Python script (as a the version number of the code that generated that output).
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How update the _id of one MongoDB Document?
I want update an _id field of one document. I know it's not a really good pratice. But with some technical reason, I need update it. If I try to update it I get:
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How do I get a list of all subdomains of a domain? [closed]
I want to find out all the subdomains of a given domain. I found a hint which tells me to dig the authoritative Nameserver with the following option:
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