Skip to main content

Developer Notes

Projects, Sample snippets, code-related stuff to learn, resolve, and fix errors that come in the routine life of a programmer.

Search This Blog

Showing posts with the label python

Posts

Uwsgi - Nginx - Django - 499 and 502 errors fix

aws django elb +1 error nginx python timeout uwsgi

aws django elb error nginx python timeout uwsgi

Get link
Facebook
X
Pinterest
Email
Other Apps

Scraping structured information from Wikipedia using Scrapy [Python]

examples python scrapy + wikipedia

examples python scrapy wikipedia

Get link
Facebook
X
Pinterest
Email
Other Apps

Few tricky and challenging Python - Interview Problems with Answers !!

answers interview python q&a + question

answers interview python q&a question

Get link
Facebook
X
Pinterest
Email
Other Apps

How to find frequency or n-grams in a given file using python?

frequency n-grams +0 python

frequency n-grams python

Get link
Facebook
X
Pinterest
Email
Other Apps

How to do pandas sql connection and excel read/write operations?

connection excel file +1 pandas python read sql write

connection excel file pandas python read sql write

Get link
Facebook
X
Pinterest
Email
Other Apps

10 lines python code to solve Factorization Problems - Fermat Theorem

code Cryptography +10 example Factorization fast learn Fermat Theorem learn program python RSA snippet solution solve understand

code Cryptography example Factorization fast learn Fermat Theorem learn program python RSA snippet solution solve understand

Get link
Facebook
X
Pinterest
Email
Other Apps

Pandas Date String Conversion with quick Example code

date conversion example code pandas + python

date conversion example code pandas python

Get link
Facebook
X
Pinterest
Email
Other Apps

Easy way to install scrapy on Ubuntu 16.04 with Python 3, using virtualenvwrapper

python scrapy setup + ubuntu

python scrapy setup ubuntu

Get link
Facebook
X
Pinterest
Email
Other Apps

Easy way to implement interesting Sleep Sorting Algorithm using Bash

algorithm bash code +8 example fast learn learn linux program python sleep sort snippet solution solve understand

algorithm bash code example fast learn learn linux program python sleep sort snippet solution solve understand

Get link
Facebook
X
Pinterest
Email
Other Apps

Just 10 lines of code to implement interesting Sleep Sorting Algorithm using Python

algorithm bash code +9 example fast learn fun learn linux program python sleep sort snippet solution solve understand

algorithm bash code example fast learn fun learn linux program python sleep sort snippet solution solve understand

Get link
Facebook
X
Pinterest
Email
Other Apps

Do you know Easter Egg inside Python ? what is the design philosophies underlying python - Click Here Learn !!

python reason +0 this

python reason this

Get link
Facebook
X
Pinterest
Email
Other Apps

Learn file concepts in python - Read time - 5 mins!!

file learn python +0 quick

file learn python quick

Get link
Facebook
X
Pinterest
Email
Other Apps

How to do I understand List and Dict Python concepts in just 5 mins!!

learn python +0 quick

learn python quick

Get link
Facebook
X
Pinterest
Email
Other Apps

How to do I understand strings Python concepts in just 5 mins!!

Get link
Facebook
X
Pinterest
Email
Other Apps

What is set? Simple examples to understand Sets in Python

Get link
Facebook
X
Pinterest
Email
Other Apps

How to write Class in Python with examples

Get link
Facebook
X
Pinterest
Email
Other Apps

How to learn Python in a 15 Minutes !! Believe its very cool language to have fun and learn :)

learn python +0 quick

learn python quick

Get link
Facebook
X
Pinterest
Email
Other Apps

Step by Step method to parse XML files and store into sqlite db and vice versa

python Sqlite3 +0 XML

python Sqlite3 XML

Get link
Facebook
X
Pinterest
Email
Other Apps

Learn XML - parsing in python with simple examples

parsing python +0 XML

parsing python XML

Get link
Facebook
X
Pinterest
Email
Other Apps

How to do IP Address Class Identification using python program?

classification identification identify Networking + python

classification identification identify Networking python

Get link
Facebook
X
Pinterest
Email
Other Apps

Labels

python
learn
code
example
fast learn
program
snippet
understand
quick
CTF

Show more Show less

Popular Posts

How to implement a Berlekamp–Massey algorithm? Explained with easy example

The Berlekamp–Massey algorithm is an algorithm that will find the shortest linear feedback shift register for a given binary output sequence. The algorithm will also find the minimal polynomial of a linearly recurrent sequence in an arbitrary field. I have used sage for computing this program. How to implement a Berlekamp–Massey algorithm? Explained with easy example # Berlekamp-Massey Algorithm #from __future__ import print_function s = [GF(2)(0), 0, 1, 0, 0, 0, 0, 0, 1, 1, 0] #input sequence n = len(s) C = [GF(2)(1)] B = [GF(2)(1)] temp = [] T = [] L = 0 N = 0 m = -1 print '----- n',n print '-----------------------------------------------------------------------' while N

Uwsgi - Nginx - Django - 499 and 502 errors fix

On rare occasions, we have been receiving 499 and 502 response codes from our higher environment server. Before that, we have added max-requests = 500 in UWSGI configuration to reduce the high consumption of physical memory. So we are suspecting add max requests would have caused the error. Loglines recorded in the uwsgi.log file. 10.115.21.68 - - [01/Jan/2020:04:09:50 +0000] "GET / HTTP/1.1" 502 157 "-" "check_http/v2.2.1 (nagios-plugins 2.2.1)" "-" 2020/01/01 04:09:50 [error] 30522#0: *22690 connect() to unix:///tmp/uwsgi.sock failed (11: Resource temporarily unavailable) while connecting to upstream, client: 10.115.21.68, server: , request: "GET / HTTP/1.1", upstream: "uwsgi://unix:///tmp/uwsgi.sock:" 10.115.13.75 - - [01/Jan/2020:04:09:48 +0000] "GET / HTTP/1.1" 502 157 "-" "check_http/v2.2.1 (nagios-plugins 2.2.1)" "-" 2020/01/01 04:09:48 [error] 30523#0: *22688 connect() to ...

10 lines python code to solve DLP (Discrete Logarithmic Problem) using Baby Step Giant Step Algorithm

10 lines python code to solve DLP (Discrete Logarithmic Problem) using Baby Step Giant Step Algorithm # Baby Step Giant Step DLP problem y = a**x mod n # Example 70 = 2**x mod 131 # Use SAGE for complex operations y = 70 a = 2 n = 131 s = floor(sqrt(n)) A = [] B = [] for r in range(0,s): value = y*(a^r) % n A.append(value) for t in range(1,s+1): value = a^(t*s) % n B.append(value) print A print B x1,x2 =0,0 for r in A: for t in B: if r == t: x1 = A.index(r) x2 = B.index(t) print x1,x2 break print 'the value of x is ', ((x2+1)*s - x1) % n # Answer

Powered by Blogger