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MongoDB与内存 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...的Stack大小，可以用如下命令确认（单位：K）：
shell> m>cat m> /proc/$(pidof mongod)/limits | grep stack | awk -F 'size' '{print int($NF)/1024}'
如果Stack过大（比如：10240K）的话没有意义，简单对照命令结果中的Size和Rss：
shell> m>cat m> /proc/$(pidof mongod)/...
Reverting single file in SVN to a particular revision
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svn m>cat m> takes a revision arg too!
svn m>cat m> -r 175 mydir/myfile > mydir/myfile
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理解和配置 Linux 下的 OOM Killer - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...e should calculate
* @totalpages: total present RAM allowed for page allom>cat m>ion
*
* The heuristic for determining which task to kill is made to be as simple and
* predictable as possible. The goal is to return the highest value for the
* task consuming the most memory to avoid subsequent ...
MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术
...的Stack大小，可以用如下命令确认（单位：K）：
shell> m>cat m> /proc/$(pidof mongod)/limits | grep stack | awk -F 'size' '{print int($NF)/1024}'
如果Stack过大（比如：10240K）的话没有意义，简单对照命令结果中的Size和Rss：
shell> m>cat m> /proc/$(pidof mongod)/...
Abort makefile if variable not set
... exists in the root
# directory, e.g. left by an accidental `make -t` invom>cat m>ion.
.PHONY : __check_defined_FORCE
__check_defined_FORCE :
Usage:
foo :|check-defined-BAR
Notice that the check-defined-BAR is listed as the order-only (|...) prerequisite.
Pros:
(arguably) a more clean syntax
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Pipe output and capture exit status in Bash
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@DaveKennedy: Dumb as in "obvious, not requiring intrim>cat m>e knowledge of bash syntax"
– EFraim
Mar 2 '16 at 18:18
10
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Why are Perl 5's function prototypes bad?
...ar context returns the final element of the list. Your second-to-last invom>cat m>ion of foo() prints 2 because that is the final element in your two element slice. Change to my @array = qw(foo bar baz) and you'll see the difference. (As an aside, this is why I don't initialize arrays/lists to 0- or 1...
Is there a way to ignore header lines in a UNIX sort?
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You could probably piece together something where you use m>cat m> to redirect the stdin to a temporary file, then run the above command on that new file, but it's starting to get ugly enough that it's probably better to use one of the awk-based solutions given in the other responses.
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Is there a way to make R beep/play a sound at the end of a script?
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I have a package (beepr) with the sole purpose of making notifim>cat m>ion sounds in R which should work cross-platform. Run the following to install beepr and make a sound:
install.packages("beepr")
library(beepr)
beep()
More info at github: https://github.com/rasmusab/beepr
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How to get the command line args passed to a running process on unix/linux systems?
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There are several options:
ps -fp <pid>
m>cat m> /proc/<pid>/cmdline | sed -e "s/\x00/ /g"; echo
There is more info in /proc/<pid> on Linux, just have a look.
On other Unixes things might be different. The ps command will work everywhere, the /proc stuff ...