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Converting Long to Date in Java returns 1970

...00, 1220832000, 1221436800...) which I downloaded from web service. I must convert it to Dates. Unfortunately this way, for example: ...
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How to get the separate digits of an int number?

... Convert it to String and use String#toCharArray() or String#split(). String number = String.valueOf(someInt); char[] digits1 = number.toCharArray(); // or: String[] digits2 = number.split("(?<=.)"); In case you're alre...
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Scala best way of turning a Collection into a Map-by-key?

...h a variable number of tuples. So use the map method on the collection to convert it into a collection of tuples and then use the : _* trick to convert the result into a variable argument. scala> val list = List("this", "maps", "string", "to", "length") map {s => (s, s.length)} list: List[(j...
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Converting SVG to PNG using C# [closed]

I've been trying to convert SVG images to PNG using C#, without having to write too much code. Can anyone recommend a library or example code for doing this? ...
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Can someone explain __all__ in Python?

...lias their imports, for example, in ctypes/__init__.py: import os as _os, sys as _sys Using the _ convention can be more elegant because it removes the redundancy of naming the names again. But it adds the redundancy for imports (if you have a lot of them) and it is easy to forget to do this cons...
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Windows git “warning: LF will be replaced by CRLF”, is that warning tail backward?

...o LF only. That specific warning "LF will be replaced by CRLF" comes from convert.c#check_safe_crlf(): if (checksafe == SAFE_CRLF_WARN) warning("LF will be replaced by CRLF in %s. The file will have its original line endings in your working directory.", path); else /* i.e....
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How can I output the value of an enum class in C++11

... Unlike an unscoped enumeration, a scoped enumeration is not implicitly convertible to its integer value. You need to explicitly convert it to an integer using a cast: std::cout << static_cast<std::underlying_type<A>::type>(a) << std::endl; You may want to encapsulate ...
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Syntax error on print with Python 3 [duplicate]

... New: print() # You must call the function! Old: print >>sys.stderr, "fatal error" New: print("fatal error", file=sys.stderr) Old: print (x, y) # prints repr((x, y)) New: print((x, y)) # Not the same as print(x, y)! Source: What’s New In Python 3.0? ...
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Invalid syntax when using “print”? [duplicate]

... New: print() # You must call the function! Old: print >>sys.stderr, "fatal error" New: print("fatal error", file=sys.stderr) Old: print (x, y) # prints repr((x, y)) New: print((x, y)) # Not the same as print(x, y)! ...
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how to check if a file is a directory or regular file in python? [duplicate]

... in the script directory (or where python is currently situated in the filesystem) – Matthias Jun 21 '16 at 14:08 os.p...