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How to invoke a Linux shell command from Java
...eclared outside the pasted code, and it should now compile & run. Feel free to try and let me know how it works out.
– Tim
Jul 11 '11 at 10:16
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HttpServletRequest to complete URL
...servletPath = req.getServletPath(); // /servlet/MyServlet
String pathInfo = req.getPathInfo(); // /a/b;c=123
String queryString = req.getQueryString(); // d=789
// Reconstruct original requesting URL
StringBuilder url = new StringBuilder();
url.append(scheme)....
Is there a “not equal” operator in Python?
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Just some info, PEP401 mentioned in the comments was an April Fool joke. <> is not supported in Python3 now.
– J...S
Jun 26 '19 at 9:32
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Xcode debugger doesn't print objects and shows nil, when they aren't
...near start/stop buttons, then "Edit scheme...", then "Run" settings, then "Info" tab, then "Build Configuration". Here set "Debug". If it was on "Release" that's the matter you saw all nils).
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How is a CRC32 checksum calculated?
... so it can instead be represented in hex just as
0x 04 C1 1D B7
Feel free to count the 1s and 0s, but you'll find they match up with the polynomial, where 1 is bit 0 (or the first bit) and x is bit 1 (or the second bit).
Why this polynomial? Because there needs to be a standard given polynomi...
pyplot scatter plot marker size
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This is the cleanest and most fat free answer. Thanks
– Ayan Mitra
Apr 29 at 17:13
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Delete files older than 3 months old in a directory using .NET
...es = Directory.GetFiles(dirName);
foreach (string file in files)
{
FileInfo fi = new FileInfo(file);
if (fi.LastAccessTime < DateTime.Now.AddMonths(-3))
fi.Delete();
}
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How to check which version of v8 is installed with my NodeJS?
...n I type in "node --version" I don't get an error but I also don't get any information... just shows the prompt again. Any idea why?
– geoidesic
Sep 18 '16 at 22:05
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How to create has_and_belongs_to_many associations in Factory girl
...tp://robots.thoughtbot.com/post/254496652/aint-no-calla-back-girl for more info.
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std::wstring VS std::string
... MultiByteToWideChar and WideCharToMultiByte Win32 conversion API for more info.
Thus, if you work on Windows, you badly want to use wchar_t (unless you use a framework hiding that, like GTK+ or QT...). The fact is that behind the scenes, Windows works with wchar_t strings, so even historical appli...