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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> cat /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> cat /proc/$(pidof mongod)/...
R script line numbers at error?
...re concerned about (e.g. connecting to a database), then wrap them in a tryCatch() function.
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How do SO_REUSEADDR and SO_REUSEPORT differ?
... is still possible as long as A != B holds true. E.g. socketA belongs to a FTP server program and is bound to 192.168.0.1:21 and socketB belongs to another FTP server program and is bound to 10.0.0.1:21, both bindings will succeed. Keep in mind, though, that a socket may be locally bound to "any add...
“X-UA-Compatible” content=“IE=9; IE=8; IE=7; IE=EDGE”
...edited Jun 8 '18 at 19:02
mikemaccana
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answered Jan 30 '13 at 18:39
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How to automatically generate a stacktrace when my program crashes
I am working on Linux with the GCC compiler. When my C++ program crashes I would like it to automatically generate a stacktrace.
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SimpleTest vs PHPunit
...t. The times where php code was developed on a shared hosting system using ftp sync are dead and gone (fingers crossed) and no, even small, project requires a running web server (at most the one php ships out of the box). UNIT Testing through a browser and not the cli or an IDE is just such a rare u...
Ternary operator is twice as slow as an if-else block?
...ations; x++)
00000090 FF C1 inc ecx
00000092 41 3B CC cmp ecx,r12d
00000095 7C C9 jl 0000000000000060
X64, ternary
59: foreach (int i in array)
00000044 4C 8B 4F 08 mov r9,qword ptr [rdi+8] ...
PHP equivalent of .NET/Java's toString()
...kigng for because I wanted to use it with array_walk. E.g. $array = array('cat',$object); array_walk($array,'strval'); // $array = array('cat',$object->__toString)
– Buttle Butkus
Apr 18 '14 at 23:31
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How to copy file from HDFS to the local file system
...w to copy file from HDFS to the local file system . There is no physical location of a file under the file , not even directory . how can i moved them to my local for further validations.i am tried through winscp .
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Postgres DB Size Command
...p 20 '13 at 0:39
Mike Sherrill 'Cat Recall'Mike Sherrill 'Cat Recall'
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