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Accessing last x characters of a string in Bash
...{parameter:offset:length}
Expands to up to length characters of parameter starting at the character
specified by offset. If length is omitted, expands to the substring of parameter
starting at the character specified by offset. length and offset are arithmetic
expressions (see Shell Arithmetic). Th...
What's the difference between UTF-8 and UTF-8 without BOM?
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The UTF-8 BOM is a sequence of bytes at the start of a text stream (0xEF, 0xBB, 0xBF) that allows the reader to more reliably guess a file as being encoded in UTF-8.
Normally, the BOM is used to signal the endianness of an encoding, but since endianness is irrelevant ...
Where does the @Transactional annotation belong?
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In general I agree with the others stating that transactions are usually started on the service level (depending on the granularity that you require of course).
However, in the mean time I also started adding @Transactional(propagation = Propagation.MANDATORY) to my DAO layer (and other layers th...
Configure apache to listen on port other than 80
...TEN 8079 directive in httpd.conf .
I opened port 8079 in iptables and restarted iptables. I even stopped iptables service.
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How can I fix the Microsoft Visual Studio error: “package did not load correctly”?
I installed Visual Studio 2012 and DevExpress 13.1. As Visual Studio started, it generated an error shown by this attached image,
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Capturing console output from a .NET application (C#)
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This can be quite easily achieved using the ProcessStartInfo.RedirectStandardOutput property. A full sample is contained in the linked MSDN documentation; the only caveat is that you may have to redirect the standard error stream as well to see all output of your application....
Differences between Intent and PendingIntent
...em to do the same thing and I was wondering what is the difference between starting the service like that:
5 Answers
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How do you create a daemon in Python?
...pi.python.org/pypi/python-daemon. More reliable. Just one example : try to start two times the same daemon with python-daemon : big ugly error. With Sander's code : a nice notice "Daemon already running."
– Basj
Jan 17 '16 at 20:50
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Position icons into circle
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2020 solution
Here's a more modern solution I use these days.
I start off by generating the HTML starting from an array of images. Whether the HTML is generated using PHP, JS, some HTML preprocessor, whatever... this matters less as the basic idea behind is the same.
Here's the Pug code t...
Delete all lines beginning with a # from a file
... done with a sed one-liner:
sed '/^#/d'
This says, "find all lines that start with # and delete them, leaving everything else."
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