Lance's blog

Pages

Delete lines that match the pattern

:g/pattern/d

Delete lines that do not match the pattern

:v/pattern/d
or
:g!/pattern/d

Posted by Lance at 11:43

Labels: vim

python: list assign(copy)

>>> a = [1,2,3,4,5] >>> b = a >>> b[0] = 10 >>> print a [10,2,3,4,5] 在python中，list的assign有點類似c的pointer，改...
Git: git stash how to

故事是這樣的，我在github上開了一個repo打算拿來放系統上的設定檔，我把一些設定檔整理好並加了一些README，以防以後痴呆了，忘記設定檔該放在哪裡，就在我準備要commit時，我想到我還有台laptop... laptop和pc的環境很不一樣，設定檔相對的也會有不少差...
bash wrapping 位置錯誤

在bash環境下，紀錄terminal寬度的變數叫做COLUMNS，可以用 $ echo $COLUMNS 查看目前terminal的寬度(字元數) bash藉由這個變數來決定哪個位置該wrap，改變terminal大小時，通常這個值也會跟著改變，但有時候就會有靈異現象，...
Vim: Delete lines that match a pattern

Delete lines that match the pattern :g/pattern/d Delete lines that do not match the pattern :v/pattern/d or :g!/pattern/d
Calculate with command-line tool bc

$ echo 'expr' | bc Hex to Dec $ echo 'ibase=16;obase=A;FF' | bc 255

▼ 2012 (3)
- ▼ May 2012 (2)
  - Git: git stash how to
  - Vim: Delete lines that match a pattern
- ► Apr 2012 (1)

CLI (1) bash (1) git (1) python (1) vim (1)

Simple theme. Powered by Blogger.