...ody gets emerge<em>nem>cy messages *.emerg * # Save <em>nem>ews errors of level crit <em>a<em>nem>dem> higher i<em>nem> a special file. uucp,<em>nem>ews.crit /var/log/spooler # Save boot messages also to boot.log local7.* /var/log/boot.log 其中涉及两个概念：Facility和Severity，中文的意思大致是类型和级别。...

...ody gets emerge<em>nem>cy messages *.emerg * # Save <em>nem>ews errors of level crit <em>a<em>nem>dem> higher i<em>nem> a special file. uucp,<em>nem>ews.crit /var/log/spooler # Save boot messages also to boot.log local7.* /var/log/boot.log 其中涉及两个概念：Facility和Severity，中文的意思大致是类型和级别。...

...ody gets emerge<em>nem>cy messages *.emerg * # Save <em>nem>ews errors of level crit <em>a<em>nem>dem> higher i<em>nem> a special file. uucp,<em>nem>ews.crit /var/log/spooler # Save boot messages also to boot.log local7.* /var/log/boot.log 其中涉及两个概念：Facility和Severity，中文的意思大致是类型和级别。...

...ody gets emerge<em>nem>cy messages *.emerg * # Save <em>nem>ews errors of level crit <em>a<em>nem>dem> higher i<em>nem> a special file. uucp,<em>nem>ews.crit /var/log/spooler # Save boot messages also to boot.log local7.* /var/log/boot.log 其中涉及两个概念：Facility和Severity，中文的意思大致是类型和级别。...

...ody gets emerge<em>nem>cy messages *.emerg * # Save <em>nem>ews errors of level crit <em>a<em>nem>dem> higher i<em>nem> a special file. uucp,<em>nem>ews.crit /var/log/spooler # Save boot messages also to boot.log local7.* /var/log/boot.log 其中涉及两个概念：Facility和Severity，中文的意思大致是类型和级别。...

...ody gets emerge<em>nem>cy messages *.emerg * # Save <em>nem>ews errors of level crit <em>a<em>nem>dem> higher i<em>nem> a special file. uucp,<em>nem>ews.crit /var/log/spooler # Save boot messages also to boot.log local7.* /var/log/boot.log 其中涉及两个概念：Facility和Severity，中文的意思大致是类型和级别。...

...ody gets emerge<em>nem>cy messages *.emerg * # Save <em>nem>ews errors of level crit <em>a<em>nem>dem> higher i<em>nem> a special file. uucp,<em>nem>ews.crit /var/log/spooler # Save boot messages also to boot.log local7.* /var/log/boot.log 其中涉及两个概念：Facility和Severity，中文的意思大致是类型和级别。...

What's the simplest (<em>a<em>nem>dem> hopefully <em>nem>ot too slow) way to calculate the media<em>nem> with MySQL? I've used AVG(x) for fi<em>nem>di<em>nem>g the mea<em>nem>, but I'm havi<em>nem>g a hard time fi<em>nem>di<em>nem>g a simple way of calculati<em>nem>g the media<em>nem>. For <em>nem>ow, I'm retur<em>nem>i<em>nem>g all the rows to PHP, doi<em>nem>g a sort, <em>a<em>nem>dem> the<em>nem> picki<em>nem>g the middle row, but ...

I've bee<em>nem> pori<em>nem>g through .<em>Nem>ET disassemblies <em>a<em>nem>dem> the GCC source code, but ca<em>nem>'t seem to fi<em>nem>d a<em>nem>ywhere the actual impleme<em>nem>tatio<em>nem> of si<em>nem>() <em>a<em>nem>dem> other math fu<em>nem>ctio<em>nem>s... they always seem to be refere<em>nem>ci<em>nem>g somethi<em>nem>g else. ...

...<em>nem> the pri<em>nem>ciple of dispersio<em>nem>: if a <em>nem>ew datapoi<em>nem>t is a give<em>nem> x <em>nem>umber of st<em>a<em>nem>dem>ard deviatio<em>nem>s away from some movi<em>nem>g mea<em>nem>, the algorithm sig<em>nem>als (also called z-score). The algorithm is very robust because it co<em>nem>structs a separate movi<em>nem>g mea<em>nem> <em>a<em>nem>dem> deviatio<em>nem>, such that sig<em>nem>als do <em>nem>ot corrupt the threshol...