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Should I use the datetime or timestamp data type in MySQL?
...IMESTAMP clauses" dev.mysql.com/doc/refman/5.0/en/timestamp-initialization.html
– Plap
Feb 23 '13 at 19:05
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Run task only if host does not belong to a group
...re: https://docs.ansible.com/ansible/latest/user_guide/playbooks_variables.html#accessing-information-about-other-hosts-with-magic-variables :
group_names is a list (array) of all the groups the current host is in.
sha...
How to configure postgresql for the first time?
...nd in http://suite.opengeo.org/4.1/dataadmin/pgGettingStarted/firstconnect.html
Install postgreSQL (if not already in your machine):
sudo apt-get install postgresql
Run psql using the postgres user
sudo –u postgres psql postgres
Set a new password for the postgres user:
\password post...
windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...针
http://www.360doc.com/content/12/0731/15/5073814_227474024.shtml
dd nt!KeServiceDescriptorTable
!drvobj 驱动名称 : The !drvobj extension displays detailed information about a DRIVER_OBJECT.
u 反汇编
uf 反汇编函数
p 单步
bp(bu,bm) 断点
g
.cls
.reload...
In PowerShell, how do I define a function in a file and call it from the PowerShell commandline?
...ns source the contents of this file. Same as in bash. ss64.com/bash/period.html
– inquam
Mar 2 '12 at 14:59
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Hidden Features of PHP? [closed]
...agic methods goto phpcodetips.blogspot.com/2008/07/domain-model-validation.html
– grom
Oct 28 '08 at 23:44
6
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MySQL Select minimum/maximum among two (or more) given values
...described here http://dev.mysql.com/doc/refman/5.0/en/comparison-operators.html
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Limit ggplot2 axes without removing data (outside limits): zoom
...e-systems). For more see: http://docs.ggplot2.org/current/coord_cartesian.html
ggplot(d, aes(x, y, group=grp)) +
geom_line() +
coord_cartesian(ylim=c(0, 7))
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Are static variables shared between threads?
...nfo:
http://jeremymanson.blogspot.com/2008/11/what-volatile-means-in-java.html
First, you have to understand a little something about the Java memory model. I've struggled a bit over the years to explain it briefly and well. As of today, the best way I can think of to describe it is if you imagin...
Artificially create a connection timeout error
... I see example.com resolving to 93.184.216.34, and actually serves a short HTML explaining it's an example domain... port 81 still doesn't respond.
– Beni Cherniavsky-Paskin
Apr 24 '17 at 16:33
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