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Converting Long to Date in Java returns 1970
...time as long in milliseconds, not seconds. You need to multiply it by 1000 and make sure that you supply it as long.
Date d = new Date(1220227200L * 1000);
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Sun Aug 31 20:00:00 GMT-04:00 2008
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How to import a module given its name as string?
I'm writing a Python application that takes as a command as an argument, for example:
11 Answers
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Python: How to create a unique file name?
I have a python web form with two options - File upload and textarea . I need to take the values from each and pass them to another command-line program. I can easily pass the file name with file upload options, but I am not sure how to pass the value of the textarea.
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Inline comments for Bash?
I'd like to be able to comment out a single flag in a one-line command. Bash only seems to have from # till end-of-line comments. I'm looking at tricks like:
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How do you iterate through every file/directory recursively in standard C++?
How do you iterate through every file/directory recursively in standard C++?
16 Answers
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Understanding the map function
Apply function to every item of iterable and return a list of the results. If additional iterable arguments are passed, function must take that many arguments and is applied to the items from all iterables in parallel.
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How do you redirect HTTPS to HTTP?
...e). Nothing needs to be changed it will dynamically use the same host name and url path.
– Darren Felton
Jan 31 '13 at 19:53
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Scala how can I count the number of occurrences in a list
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I had the same problem as Sharath Prabhal, and I got another (to me clearer) solution :
val s = Seq("apple", "oranges", "apple", "banana", "apple", "oranges", "oranges")
s.groupBy(l => l).map(t => (t._1, t._2.length))
With as result :
Map(banana -> 1, ora...
How to remove non-alphanumeric characters?
...be "~" or "@" or whatever character you want to use as long as the opening and closing delimiters are the same) and change the behavior of the expression.
– Doktor J
Apr 13 '14 at 22:04
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Intellij IDEA. Hide .iml files
I use Intellij IDEA 12 and I want to hide .iml files in Project view. How I can achieve this?
8 Answers
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