Secret of Vim #1

In visual mode. If you use V (visual mode) to select multiline, then press : prompt will appear

>>>:'<,'>

So if you need to comment or insert something at first place please do

>>>:'<,'>s/^/#/

for example above , I need to comment selected multiline.

If you want some change with // , then we have to change delimeter, so

>>>:'<,'>s!^!//!

Hahaha, Cool , ha?

Comments

Post a Comment

Popular posts from this blog

Changing postgres password and warning

ORIGINAL from https://serverfault.com/questions/110154/whats-the-default-superuser-username-password-for-postgres-after-a-new-install CAUTION  The answer about changing the UNIX password for "postgres" through "$ sudo passwd postgres" is not preferred, and can even be  DANGEROUS ! This is why: By default, the UNIX account "postgres" is locked, which means it cannot be logged in using a password. If you use "sudo passwd postgres", the account is immediately unlocked. Worse, if you set the password to something weak, like "postgres", then you are exposed to a great security danger. For example, there are a number of bots out there trying the username/password combo "postgres/postgres" to log into your UNIX system. What you should do is follow  Chris James 's answer: sudo -u postgres psql postgres # \password postgres Enter new password: To explain it a little bit. There are usually two default ways to login to...
Read more

yoh, Sort dict

have a problem with sorting dict by value!!! found something interesting on http://code.activestate.com/recipes/304440/ by Nick Coghlan let's see >>d = {'a':0,'b':1,'c':2} >>d #will get {'a':0,'c':2,'b':1} some solution from Nick >>from operator import itemgetter >>print sorted(d.items(),key=itemgetter(1)) #we get [('a':0),('b':1),('c':2)] # >>>>> a list of tuples it might be useful in the future!!!:) thank nick and activestate
Read more