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CROSS JOIN vs INNER JOIN in SQL
...OIN, left/right rows are extra (null-extended) rows in LEFT/RIGHT JOIN. It includes CROSS JOIN as a special case of (INNER) JOIN where there are no rows in the non-intersection.
– philipxy
Nov 29 '15 at 0:39
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Thou shalt not inherit from std::vector
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How to get the system uptime in Windows? [closed]
...e tool from Microsoft, but compatible with all operating systems up to and including Windows 10 and Windows Server 2016, this uptime utility does not require an elevated command prompt and offers an option to show the uptime in both DD:HH:MM:SS and in human-readable formats (when executed with the -...
How do you debug PHP scripts? [closed]
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I tried most of the IDEs (including Zend, NetBeans and Eclipse) before buying PhpED Professional because it was the best by a mile and a half. This was a few years ago, so the others may have since improved, but at the time most of them were painfully...
Relationship between SciPy and NumPy
...hod executes a
from numpy import *
so that the whole numpy namespace is included into scipy when the scipy module is imported.
The log10 behavior you are describing is interesting, because both versions are coming from numpy. One is a ufunc, the other is a numpy.lib function. Why scipy is prefer...
How to delete files older than X hours
I'm writing a bash script that needs to delete old files.
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Exporting data In SQL Server as INSERT INTO
..." - the default).
And then there's a "SSMS Addin" Package on Codeplex (including source) which promises pretty much the same functionality and a few more (like quick find etc.)
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Rails Admin vs. ActiveAdmin [closed]
...sed to the admin by default, though rails_admin supports that with 'config.included_models'.
[*] Watches/forks on https://github.com/gregbell/active_admin vs https://github.com/sferik/rails_admin - though the gap is closing.
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How to upgrade R in ubuntu? [closed]
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Hello Ananda and others, I would love to include some of these solutions into the installr package: github.com/talgalili/installr Are any of you willing to pitch it?
– Tal Galili
Mar 12 '13 at 11:13
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Linux日志切分工具：Logrotate - 更多技术 - 清泛网 - 专注C/C++及内核技术
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# RPM packages drop log rotation information into this directory
include /etc/logrotate.d
# no packages own wtmp -- we'll rotate them here
/var/log/wtmp {
monthly
minsize 1M
create 0664 root utmp
rotate 1
}
# system-specific logs may be also be configured here.
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