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Ruby: How to get the first character of a string
...a string. Its still available in 2.0 and 2.1.
"Smith".chr #=> "S"
http://ruby-doc.org/core-1.9.3/String.html#method-i-chr
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Check whether an array is empty [duplicate]
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array with zero elements converts to false
http://php.net/manual/en/language.types.boolean.php
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jQuery .scrollTop(); + animation
...urther animation.
Also, the 'swing' is there to set the easing. Check out http://api.jquery.com/animate/ for more info.
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Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升
...通过RPM来安装Rsyslog:
shell> cd /etc/yum.repos.d/
shell> wget http://rpms.adiscon.com/v8-stable/rsyslog.repo
shell> yum install rsyslog
安装完成后,我们可以查看一下到底都装了些什么东西:
shell> rpm -ql rsyslog
/etc/logrotate.d/syslog
/etc/pki/rsyslog
/et...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升
...通过RPM来安装Rsyslog:
shell> cd /etc/yum.repos.d/
shell> wget http://rpms.adiscon.com/v8-stable/rsyslog.repo
shell> yum install rsyslog
安装完成后,我们可以查看一下到底都装了些什么东西:
shell> rpm -ql rsyslog
/etc/logrotate.d/syslog
/etc/pki/rsyslog
/et...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升
...通过RPM来安装Rsyslog:
shell> cd /etc/yum.repos.d/
shell> wget http://rpms.adiscon.com/v8-stable/rsyslog.repo
shell> yum install rsyslog
安装完成后,我们可以查看一下到底都装了些什么东西:
shell> rpm -ql rsyslog
/etc/logrotate.d/syslog
/etc/pki/rsyslog
/et...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升
...通过RPM来安装Rsyslog:
shell> cd /etc/yum.repos.d/
shell> wget http://rpms.adiscon.com/v8-stable/rsyslog.repo
shell> yum install rsyslog
安装完成后,我们可以查看一下到底都装了些什么东西:
shell> rpm -ql rsyslog
/etc/logrotate.d/syslog
/etc/pki/rsyslog
/et...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升
...通过RPM来安装Rsyslog:
shell> cd /etc/yum.repos.d/
shell> wget http://rpms.adiscon.com/v8-stable/rsyslog.repo
shell> yum install rsyslog
安装完成后,我们可以查看一下到底都装了些什么东西:
shell> rpm -ql rsyslog
/etc/logrotate.d/syslog
/etc/pki/rsyslog
/et...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升
...通过RPM来安装Rsyslog:
shell> cd /etc/yum.repos.d/
shell> wget http://rpms.adiscon.com/v8-stable/rsyslog.repo
shell> yum install rsyslog
安装完成后,我们可以查看一下到底都装了些什么东西:
shell> rpm -ql rsyslog
/etc/logrotate.d/syslog
/etc/pki/rsyslog
/et...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升
...通过RPM来安装Rsyslog:
shell> cd /etc/yum.repos.d/
shell> wget http://rpms.adiscon.com/v8-stable/rsyslog.repo
shell> yum install rsyslog
安装完成后,我们可以查看一下到底都装了些什么东西:
shell> rpm -ql rsyslog
/etc/logrotate.d/syslog
/etc/pki/rsyslog
/et...
