Tip for VIM

For splitting window.


   : split ( for horizontal split )


   : vsplit ( for vertical split )


Switch between splitted window


   Ctrl-ww


Resize splitted window


   Ctrl-w + / -   ( 1 unit each time, height )


   10 Ctrl-w +   ( resize 10 unit height )


   Ctrl-w < / >   ( 1 unit each time, width )


Search and replace


   :%s/original/replace/g   ( every occur in file )


   :1,$s/original/replace/


   :s/original/replace/g ( replace all in current line )


For multiple files


   :e ( edit file in new buffer )
   :bn ( switch to next file in buffer )
   :bp ( switch to previous file in buffer )
   :bd ( delete file in buffer , ake close file )


   :sp ( edit file in new window )


ETC
   :sh ( switch to console ) and Ctrl-d to get back
   other way
   Ctrl-z (switch to console ) and $fg to get back


   show path of current editing file
   Ctrl-g ( display file's location )
   Ctrl 1 g (display full file's location )

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