sed,perl under_score 2 camelCase

echo "remote_available_packages" | sed -E 's/_(.)/\U\1/g'

expand -t 4 >


find . -name '*.java' ! -type d -exec bash -c 'expand -t 4 "$0" > /tmp/e && mv /tmp/e "$0"' {} \; )

$ cat

NOW=`date "+%Y%m%d%H%M%S"`
#echo $NOW
find . -name [gG]enOrdGi* | grep -v -E "class|bak|old|Dtl" | xargs tar -cvf $TGT
mv $TGT /cygdrive/d/src-bak
tar -tvf /cygdrive/d/src-bak/$TGT

1. Use System Proxy Settings  을 선택

2. 중요하지 않은 패키지 에러 때는 continue

Your dedication is inspring!
Not quite, but you're learning! Try again.1
Keep up the great work!
You nailed it! Good job!
You are really on a roll.
Perseverance, that's the answer.
You almost had it, but not quite.
Great job!
You are doing so well!!
All that practice is paying off!
All that hard work is paying off!
You got it!
You got it right!
That's the answer I was looking for, but try again.
Keep working like that and you'll get there!
You are doing so well!
That's a job well done!
Nice work!
That's correct!
You are amazing!
You are quite good my friend!
Excellent work!

R 명령어

카테고리 없음 2019.06.13 18:05

> q()         :  끝낼 때

R study

카테고리 없음 2019.06.12 16:43


> library("swirl")

> swirl()




swirl | Students

You’re a student! The swirl R package makes it fun and easy to learn R programming and data science. If you are new to R, have no fear. On this page, we’ll walk you through each of the steps required to begin using swirl today! Step 1: Get R In order to ru



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