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Iterating over Java collections in Scala
...o implicitly convert java.util.Iterator[A] to scala.collection.Iterator[A] by importing scala.collection.JavaConversions.asScalaIterator. Here is an example:
object SpreadSheetParser2 extends App {
import org.apache.poi.hssf.usermodel.HSSFWorkbook
import java.io.FileInputStream
import scala....
What are the differences among grep, awk & sed? [duplicate]
.../dog/' file.txt
# this will replace any occurrence of the characters 'cat' by 'dog'
Awk
$ awk '{print $2}' file.txt
# this will print the second column of file.txt
Basic awk usage:
Compute sum/average/max/min/etc. what ever you may need.
$ cat file.txt
A 10
B 20
C 60
$ awk 'BEGIN {sum=0; count...
How to get 30 days prior to current date?
...w Date()
var priorDate = new Date().setDate(today.getDate()-30)
As noted by @Neel, this method returns in Javascript Timestamp format. To convert it back to date object, you need to pass the above to a new Date object; new Date(priorDate).
...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...nce rsyslog v3.
# If you want to use them, switch to compatibility mode 2 by "-c 2"
# See rsyslogd(8) for more details
SYSLOGD_OPTIONS="-d -n"
如果你想测试Rsyslog是否工作的话，可以通过系统内建的logger命令发消息；如果你想测试Rsyslog性能如何的话，可以考...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...nce rsyslog v3.
# If you want to use them, switch to compatibility mode 2 by "-c 2"
# See rsyslogd(8) for more details
SYSLOGD_OPTIONS="-d -n"
如果你想测试Rsyslog是否工作的话，可以通过系统内建的logger命令发消息；如果你想测试Rsyslog性能如何的话，可以考...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...nce rsyslog v3.
# If you want to use them, switch to compatibility mode 2 by "-c 2"
# See rsyslogd(8) for more details
SYSLOGD_OPTIONS="-d -n"
如果你想测试Rsyslog是否工作的话，可以通过系统内建的logger命令发消息；如果你想测试Rsyslog性能如何的话，可以考...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...nce rsyslog v3.
# If you want to use them, switch to compatibility mode 2 by "-c 2"
# See rsyslogd(8) for more details
SYSLOGD_OPTIONS="-d -n"
如果你想测试Rsyslog是否工作的话，可以通过系统内建的logger命令发消息；如果你想测试Rsyslog性能如何的话，可以考...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...nce rsyslog v3.
# If you want to use them, switch to compatibility mode 2 by "-c 2"
# See rsyslogd(8) for more details
SYSLOGD_OPTIONS="-d -n"
如果你想测试Rsyslog是否工作的话，可以通过系统内建的logger命令发消息；如果你想测试Rsyslog性能如何的话，可以考...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...nce rsyslog v3.
# If you want to use them, switch to compatibility mode 2 by "-c 2"
# See rsyslogd(8) for more details
SYSLOGD_OPTIONS="-d -n"
如果你想测试Rsyslog是否工作的话，可以通过系统内建的logger命令发消息；如果你想测试Rsyslog性能如何的话，可以考...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升
...nce rsyslog v3.
# If you want to use them, switch to compatibility mode 2 by "-c 2"
# See rsyslogd(8) for more details
SYSLOGD_OPTIONS="-d -n"
如果你想测试Rsyslog是否工作的话，可以通过系统内建的logger命令发消息；如果你想测试Rsyslog性能如何的话，可以考...