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Very simple log4j2 XML configuration file using Console and File appender
...lexible configuration comes in handy when you're trying to separate config from build and put config into a repository elsewhere. Unfortunately, the complexities are making it a bit annoying, but just thought I would throw out a benefit to the flexible options for configuration.
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Core dumped, but core file is not in the current directory?
...apport stop --- after I ran that, it changed /proc/sys/kernel/core_pattern from the apport pipe to just core. Apport is smart enough to fix up the core_pattern temporarily, I suppose.
– Patrick Collins
Feb 22 '16 at 18:50
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Automatically start forever (node) on system restart
...comment @chovy, it was very helpful. For those using environment variables from bashrc, mind his comment. Since /home is not mounted it won't work. Set the variables at the crontab command like @reboot varname=value ...
– lsborg
Sep 28 '14 at 15:30
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What is href=“#” and why is it used?
...perty is required only for an anchor to actually be a hyperlink! Read this from w3. So, why not just leave it off for placeholders? Browsers render default styles for elements and will change the default style of an anchor tag that doesn't have the href property. Instead, it will be considered like ...
How to unit test an object with database queries
...rate Data layer. My objects live in the core domain model and are accessed from my application layer. The application layer talks to both the data layer and the domain model layer.
The application layer is also sometimes called the "Business Layer".
If you are using PHP, create a specific set of c...
MIT vs GPL license [closed]
...ual license, so that's not a problem, but if they "borrowed" some GPL code from somewhere else, they would no longer be able to MIT license the combined work.
– Mark H
Apr 10 '11 at 13:38
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What happens to a github student account's repositories at the end of 2 years?
... expires. I'm assuming it's the same thing that happens when you downgrade from a micro to a free account.
4 Answers
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Why are preprocessor macros evil and what are the alternatives?
...ore. Modern compilers such as Clang will say something like note: expanded from macro 'begin' and show where begin is defined.
– kirbyfan64sos
Mar 5 '15 at 20:50
5
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JSON Stringify changes time of date because of UTC
...y it 60000, because 1 minute = 60000milliseconds. So by subtracting offset from current time we get the time in UTC.
– Maksim Pavlov
Apr 24 '18 at 9:50
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std::function and std::bind: what are they, and when should they be used?
...mber function pointer for later use
{}
//this operator call comes from the bind method
_Ret operator()(_Class *_P, _arg1 arg1, _arg2 arg2, _arg3 arg3) const
{
return ((_P->*m_Ptr)(arg1,arg2,arg3));
}
private:
_Ret (_Class::*m_Ptr)(_arg1,_arg2,_arg3);// method poin...