Thanks to antville.org
program creek

program creek seems to be a good site for handy references of python modules. For e.g. when I wanted to know who to use Stratified Shuffle module, the examples shown on this page were very useful.

www.programcreek.com

... Link (0 comments) ... Comment


Standard out to a file

This code will change the standard out to a file so that jupyter notebook cell's responses are saved to a file.

import sys
oldStdout = sys.stdout
file = open('logFile', 'w')
sys.stdout = file

... Link (0 comments) ... Comment


ipython parallel demo

First start ipython in cluster mode

ipcluster start -n 4

from IPython.parallel import Client
rc = Client()
v=rc.load_balanced_view()
@v.parallel(block=True)
def f(x): return 2*x
result = f.map(range(10))
print("Using a parallel function: ", result)

... Link (0 comments) ... Comment


djanog settings

You may see this message if you have DEBUG = True in your Django settings file and you haven't configured any URLs.

django-admin.py startproject todo

python manage.py runserver localhost:8000

$$ If you plan to use a database, edit the DATABASES setting in todo/settings.py.
python manage.py startapp todoapp

$$ syncdb and flush are other 2 parameters accepted by manage.py

... Link (0 comments) ... Comment


14 days ago

This is the python way of calculating the date that is 14 days ago.

import datetime
(datetime.datetime.now() - datetime.timedelta(days = 14)).date()

And this is pandas way of getting the same results:

import pandas as pd
(pd.datetime.today() - pd.offsets.Day(14)).floor('D')

... Link (0 comments) ... Comment


Install java within conda container

apt-get update && apt-get upgrade
mkdir -p /usr/share/man/man1
apt-get install default-jdk
apt install openjdk-11-jdk

... Link (0 comments) ... Comment


python itertools module

from itertools import groupby
s = 'abcccccbba'

for w, v in groupby(s):
print (''.join(w), ''.join(v))

a a
b b
c ccccc
b bb
a a

... Link (0 comments) ... Comment


google module

module for google search

!pip install google

from googlesearch import search
for url in search('"Breaking Code" WordPress blog', stop=10):
print(url)

... Link (0 comments) ... Comment


Extract words from Marathi wikipedia

1) Download the polyglot pickled marathi model
wget bit.ly
mv 12FI1xV polyglot-mt.pkl

2) Extract all the words from the embedding

from polyglot.mapping import Embedding
embeddings=Embedding.load("polyglot-mt.pkl")
with open('myfile.txt', 'w') as fx:
for i in embeddings.vocabulary:
fx.write(i.encode('utf-8')+'\n')

3) Download the wordlist:
s3.amazonaws.com

... Link (0 comments) ... Comment


Python objects and methods

Here are important python objects and their methods
int mul, add, eq, ge, mod, pow
float .isinteger()
string .upper(), .endswith(), .split()
bool .numerator .abs()
list .append, .pop, _len
() / slicing
tuple
dict .items(), .keys(), .values() / slicing
pd.Series .sum(), .stack(), .groupby(), .resample(), .sort_values(), .sort_index(), .iloc
pd.DataFrame

... Link (0 comments) ... Comment


Online for 6640 days
Last modified: 10/28/20 5:59 PM
Status
Youre not logged in ... Login
Menu
... Home
... Tags

Search
Calendar
October 2020
SunMonTueWedThuFriSat
123
45678910
11121314151617
18192021222324
25262728293031
April
Recent updates
important leafy vegetables 1. Amaranthus
caudatus: rajgira. 2. Amaranthus tricolor: Math.  (Chhoti Chulai- Hindi, Cheera-...
by shantanuo (4/12/20 2:01 PM)
program creek program creek
seems to be a good site for handy references of python...
by shantanuo (4/11/20 11:24 AM)
Standard out to a file
This code will change the standard out to a file...
by shantanuo (4/11/20 11:18 AM)
Create config file for AWS
command line tool While creating amazon config file in a...
by shantanuo (2/20/20 6:00 AM)
setting colors in pandas This
is how to set the colors in pandas mapper =...
by shantanuo (2/20/20 5:53 AM)
log mysql output tee output.txt
show global variables; show engine innodb status\G show full processlist;...
by shantanuo (2/19/20 10:33 AM)
access AWS API gateway using
python Amazon API gateway allows us to host server-less API's...
by shantanuo (2/16/20 9:41 AM)
Using boto In the bad
old days, the glacier class used to have different layers....
by shantanuo (2/15/20 10:28 AM)
backup mysql users  3
steps to install perconal utility... yum install perl-DBI perl-Data-Dumper perl-DBD-MySQL wget...
by shantanuo (2/13/20 1:49 PM)
Steps to be used for
generating AWS API gateway a) Method Execution - Get Method...
by shantanuo (2/13/20 1:30 PM)
apply colors to pandas Here
is how to change the color of negative values to...
by shantanuo (2/12/20 8:57 AM)
Holidays in India These are
the common holidays celebrated in India (Mumbai) during 2016 -...
by shantanuo (2/11/20 1:53 PM)
change log file size in
MySQL Here are the steps to be followed while changing...
by shantanuo (2/11/20 10:38 AM)
MySQL common error messages 1146
Table does not exist 1054 column does not exist 1062...
by shantanuo (2/11/20 10:13 AM)
ipython parallel demo First start
ipython in cluster mode ipcluster start -n 4 from IPython.parallel...
by shantanuo (2/9/20 9:02 AM)
djanog settings You may see
this message if you have DEBUG = True in your...
by shantanuo (2/9/20 4:07 AM)
clear tmp folder Here is
following commands to clear unwanted stuff from the /tmp partition...
by shantanuo (2/8/20 2:41 PM)
change your server time to
IST If you need to change your server clock to...
by shantanuo (2/8/20 2:39 PM)
Transfer root emails to another
email address If you have root access to the server...
by shantanuo (2/8/20 2:32 PM)
special strings in cron Instead
of the first five fields, you can use any one...
by shantanuo (2/8/20 2:30 PM)
LibreOffice version conflict I am
not able to install latest version of Libre office. I...
by shantanuo (1/29/20 9:15 AM)
while loop This is
a sample shell script while loop while read mydb do echo...
by shantanuo (1/26/20 12:24 PM)
compare mysql schema And here
is poor man's schema compare using good old diff command......
by shantanuo (1/26/20 11:49 AM)
Selecting from error log grep
"error" error_log |awk -F[ {'print $4'} \ | sort |...
by shantanuo (1/26/20 10:40 AM)
Rank mysql records using variables
SET @rank = 0, @prev_val = NULL; SELECT rank, correct...
by shantanuo (1/26/20 9:45 AM)

RSS feed

Made with Antville
Helma Object Publisher