The Game of Tic Tac Toe in Python (Python)

2014-01-31T02:39:48-08:00

Python recipe 578816 by Captain DeadBones (beginner, game, python).

I thought this is a fun game to program. Easy to program and can teach a lot.

Snake the game (Python)

2015-01-03T02:04:02-08:00

Python recipe 578996 by Burak Tandogan (game, pygame, python, snake, the). Revision 3.

Popular Snake game with Python-Pygame module. Important: If you try to run this script without special png-wav files it will fail, you have to put following files to a directory with this script. "apple.png","snakehead.png","intro.wav","dead.wav". They are basically apple picture, head of snake, intro sound and dead sound.Without them script will not run. Just make inactive the statements intro.wav and dead.wav, and find a little apple picture and snake head :).Or you can play the game just install it. Here is the installer: http://dosya.co/7c6f15c0f4d04514/Flafel-1.26-win32.rar It will install the game in program files, you can find it in search "Flafel" and click to Flafel.exe.

A-star Shortest Path Algorithm (C++)

2010-12-25T23:36:35-08:00

C++ recipe 577457 by FB36 (algorithm, algorithms, game, graph, graphs, routes). Revision 4.

A-star (A*) is a shortest path algorithm widely used for RTS games, GPS navigation etc.

Uno (Text-Based) (Python)

2017-07-15T00:46:59-07:00

Python recipe 580811 by Brandon Martin (artificial_intelligence, cards, game, text_game, uno).

A text based recreation of the classic card game featuring functional AIs to play with. Some rules have been modified. User interface is text based, non-curses, using only simple python commands to draw it.

OrderedSet (Python)

2012-12-19T07:12:32-08:00

Python recipe 576694 by Raymond Hettinger (ordered, set). Revision 9.

Set that remembers original insertion order.

How to use super() effectively -- Python 2.7 version (Python)

2011-06-01T19:19:37-07:00

Python recipe 577721 by Raymond Hettinger (cooperative, inheritance, multiple, next_in_mro, super). Revision 8.

Python's super() provides a unique and amazing capability. It allows subclasses to be written to reorder a chain method calls. The recipe demonstrates all of the tradecraft needed to get super() to do your bidding.

Python Short URL Generator (Python)

2011-09-19T14:06:36-07:00

Python recipe 576918 by Michael Fogleman (deterministic, generator, short, tiny, unique, url). Revision 3.

Python implementation for generating Tiny URL- and bit.ly-like URLs.

Ordered Dictionary for Py2.4 (Python)

2011-04-24T03:20:45-07:00

Python recipe 576693 by Raymond Hettinger (dictionary, linked_list, ordered). Revision 9.

Drop-in substitute for Py2.7's new collections.OrderedDict. The recipe has big-oh performance that matches regular dictionaries (amortized O(1) insertion/deletion/lookup and O(n) iteration/repr/copy/equality_testing).

subtract or add a month to a datetime.date or datetime.datetime (Python)

2010-06-25T18:41:19-07:00

Python recipe 577274 by Trent Mick (date, datetime, month).

Adding or subtracting a month to a Python datetime.date or datetime.datetime is a little bit of a pain. Here is the code I use for that. These functions return the same datetime type as given. They preserve time of day data (if that is at all important to you).

Pass Javascript arrays to PHP (PHP)

2005-05-16T11:45:33-07:00

PHP recipe 414334 by Noah Spurrier (session).

This is a Javascript function that will convert a Javascript array to a string in PHP serialized format. You can pass this string to a PHP script and easily unserialize it to a PHP array.

Conversion of PIL Image and numpy array (Python)

2011-03-05T03:47:56-08:00

Python recipe 577591 by Shao-chuan Wang (numpy, pil). Revision 2.

The utility function that converts PIL image to numpy array and vice versa.

Microsoft Access Database Connectivity (DSN-Less) (PHP)

2006-08-29T03:08:29-07:00

PHP recipe 163447 by Erick Guanlao (database). Revision 4.

An example of connecting to a Microsoft Access database, executing an SQL query, and displaying the results in HTML using PHP and COM (Windows only).

NOTE: This works with PHP 4.x. I have been unsuccessful with getting this to work with PHP 5.1.6 and Apache 2.0.59 on Windowx XP Professional.

Copy files over SSH using paramiko (Python)

2015-12-06T14:19:15-08:00

Python recipe 576810 by ccpizza (paramiko, scp, ssh). Revision 20.

This script copies files in unattended mode over SSH using a glob pattern. It uses the paramiko module behind the scenes. It operates as an actual SSH client, and does not rely on any command line utilities, such as scp.

It first tries to connect using a key from a private key file or from an SSH agent. If RSA authentication fails, it will try to authenticate with a password if passwords are allowed on the SSH server. Assumes the rsa_private_key was generated with an empty passphrase.

On most linux/unix-like systems paramiko can be installed with sudo easy_install paramiko or pip install paramiko or using the built-in system package manager.

Discrete PID Controller (Python)

2015-12-18T20:59:43-08:00

Python recipe 577231 by Caner (controller, derivative, discrete, integral, pid, proportional, python).

The recipe gives simple implementation of a Discrete Proportional-Integral-Derivative (PID) controller. PID controller gives output value for error between desired reference input and measurement feedback to minimize error value. More information: http://en.wikipedia.org/wiki/PID_controller

For new version please check: https://github.com/ivmech/ivPID

Compute Memory footprint of an object and its contents (Python)

2012-11-23T23:57:31-08:00

Python recipe 577504 by Raymond Hettinger (memory, sizeof). Revision 3.

Recursive version sys.getsizeof(). Extendable with custom handlers.

LDAP Authentication (PHP)

2001-12-07T11:00:34-08:00

PHP recipe 101525 by Shane Caraveo (security).

A simple LDAP Authentication script.

SortedCollection (Python)

2010-09-01T02:12:33-07:00

Python recipe 577197 by Raymond Hettinger (bisect, collection, sorted). Revision 9.

Wraps bisect.bisect() in an easy to use class that supports key-functions and straight-forward search methods.

BFS (breadth first search) graph traversal (Python)

2009-03-02T20:20:56-08:00

Python recipe 576675 by mojave kid (bfs, breath). Revision 4.

Guido illustrated the DFS recursive traversal of a graph (http://www.python.org/doc/essays/graphs.html) However if the graph is too big, recursion error occurs.

Here im pitching in my recipe for an iterative BFS traversal.

Im using Guido's graph representation using dictionary.

The Game of Battleships in Python (Python)

2014-02-22T06:13:41-08:00

Python recipe 578836 by Captain DeadBones (beginner, game, python).

Another fun game that is fun to program and play. No special AI (yet). But still and entertaining game.

For more info about Battleships in Python follow the link.

Simple Web Crawler (Python)

2011-01-31T21:57:58-08:00

Python recipe 576551 by James Mills (crawler, network, parsing, web). Revision 2.

NOTE: This recipe has been updated with suggested improvements since the last revision.

This is a simple web crawler I wrote to test websites and links. It will traverse all links found to any given depth.

See --help for usage.

I'm posting this recipe as this kind of problem has been asked on the Python Mailing List a number of times... I thought I'd share my simple little implementation based on the standard library and BeautifulSoup.

--JamesMills

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