Fedorishev.ru

Vim — save all lines to separate file named line number.txt

fedorishev — Sat, 30 Jan 2016 08:26:48 +0000

:g/^/execute ‘.w ‘.line(‘.’).’.txt’

Export notes from old Evernote *.exb file to csv

fedorishev — Tue, 05 Jan 2016 15:11:48 +0000

EXB is and SQLite3 database file.
Just use bash script to export all the tables to csv

sqlite2csv.sh
—
# obtains all data tables from database
TS=`sqlite3 $1 «SELECT tbl_name FROM sqlite_master WHERE type=’table’ and tbl_name not like ‘sqlite_%’;»`

# exports each table to csv
for T in $TS; do

sqlite3 $1 <

Make a list of similar urls like www.example.com/page=10

fedorishev — Wed, 14 Oct 2015 11:39:54 +0000

1. Make a column of incrementing numbers
:put =range(1,50)
2
.
Use Ctrl+V to select the first column of text in the lines you want to comment.
Then hit Shift+i and type the text you want to insert. (www.example.com/page=)
Then hit Esc, wait 1 second and the inserted text will appear on every line.
Voila

Move all files with *.ext extension from subfolders to one folder

fedorishev — Wed, 23 Sep 2015 14:03:30 +0000

find /src/dir -type f -name «*.ext» -exec mv {} —backup=numbered -t /dst/dir/ \;

исправить кодировки имен файлов Ubuntu

fedorishev — Fri, 17 Apr 2015 10:54:28 +0000

sudo apt-get install convmv
find . -type f -print -exec convmv —notest -f -t {} \;

UPD: Неприятный случай с «doubly-encoded to utf-8 from iso-8859-5»
#-*-coding:utf8-*- import os allfiles=[] for root, dirs, files in os.walk("./", topdown=False): for name in files: allfiles.append(os.path.join(root, name))


for f in allfiles:

    try:

       newf=f.decode('utf8').encode('latin1').decode('utf8', 'replace')

    except:

       print "{} is in proper encoding".format(f)

    else:

       os.rename(f, newf)

       print "{} decoded well".format(f)

pretty print nested dict with unicode values

fedorishev — Wed, 15 Apr 2015 14:51:42 +0000

>>> import json
>>> print json.dumps({}, sort_keys=True, indent=4, ensure_ascii=False)

http://stackoverflow.com/questions/3229419/pretty-printing-nested-dictionaries-in-python

vim hints

fedorishev — Tue, 17 Feb 2015 13:29:18 +0000

Write lines to file — :start_line_no,end_line_no w filename
Delete till the end of line — D
Delete till the beginning of line — d0
Paste at the end of line — $p
Show all files open -:ls
Go to middle of line — gm

batch ods to xls and backwards

fedorishev — Tue, 03 Feb 2015 14:00:26 +0000

Как сконвертировать много файлов из OpenOffice Calc в Excel и обратно

*.ods-> *.xls
libreoffice —headless — invisible —convert-to xls *.ods

*.xls->*.ods
libreoffice —headless —invisible —convert-to ods *.xls

2 вариант : unoconv

sudo apt-get install unoconv

unoconf -f xls *.ods

View crontab log in Ubuntu

fedorishev — Fri, 14 Nov 2014 12:14:48 +0000

grep CRON /var/log/syslog

dict to class — рекурсивно

fedorishev — Tue, 29 Apr 2014 18:59:23 +0000

# convert a dictionary to a class class Struct(object): def __init__(self, adict): """Convert a dictionary to a class


        @param :adict Dictionary

        """

        self.__dict__.update(adict)

        for k, v in adict.items():

        if isinstance(v, dict):

            self.__dict__[k] = Struct(v)
def get_object(adict):

    """Convert a dictionary to a class

@param :adict Dictionary @return :class:Struct """ return Struct(adict)
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