Questions tagged [python-2.x]
Python 2 is the predecessor of Python 3 and its last version, Python 2.7 was formally released on July 3, 2010. Use this tag along with the main python tag to denote programs that are meant to be run on a Python 2 interpreter only. Do not mix this tag with the python-3.x tag.
1,236
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Fixing the endlessly loading devices and printers tray
I work for a service desk in a Windows 7 environment. Recently we have had an issue where (do to an update) when users are attempting to map printers to themselves they are not able to open the ...
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12
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3
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Creating zip but for dictionaries
I found myself needed zip but for dictionaries, and wanted to know if there is any way I can make this shorter and more concise, and/or faster. Also I cannot figure out what the type hinting might be ...
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2
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564
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Class for sorting pool balls
I have written this code for fun. I'd like to hear your suggestions about how to make it more compact and pythonic.
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4
answers
9k
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Convert data into dictionary
I am trying to convert "Random = 1" into dictionary {"Random":1}
I tried
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1
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Combination Password Generator [closed]
My goal here is to make a program that makes a list of passwords that has no doubles, making an end result of every combination of passwords in a specific area.
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4
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1
answer
613
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Python beginner's tree with unit tests
I have implemented a tree in Python. However, due to my lack of experience with Python, I am not able to judge the overall quality of my code.
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3
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Finding the longest palindromic substring
I have the following code that works correctly. I am wondering if there is a simpler way to go about implementing my solution and/or if there is anything that looks non-standard in my code. If anyone ...
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2
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687
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Checking whether any anagram of a string appears within another string
I have the following code that takes a string t and checks to see if any anagram of t is a substring of ...
- 349
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votes
1
answer
306
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Basic automation of SSH tasks in a restricted environment
I'm trying to implement a simple automation solution in a restricted environment. I have actually implemented something but it took a bit longer than I wanted. I want to improve the solution and I'll ...
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1
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381
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Small text-based fight
I plan to flesh this out into a hopefully full 2-3 minute text adventure game, and the most fun part to start with is the combat.
The fight function down at the bottom repeats itself quite a bit, ...
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1
answer
4k
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Applying Laplacian smoothing to vertices in a mesh
I'm totally new in Python and I wrote some code. It is a simple algorithm to smooth objects. I need to find adjacent vertices in mesh and sum their coordinates and after that divide by a number of ...
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1
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85
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Group duplicate files (part 3)
This is a continued discussion (from here => Group duplicate files (part 2)) with new code and new thoughts/questions (see special question part for details for new questions), and I decide to make a ...
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1k
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Find the minimum path sum in a binary tree
I am working on the problem of finding the minimum path sum in a binary tree, and printing the path. The path can be from the root node to any leaf node.
Here is my code in Python 2.7. I am looking ...
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2
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785
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Zigzag Iterator
I've recently solved the LeetCode's "ZigZag iterator" problem:
Given two 1d vectors, implement an iterator to return their elements
alternately.
For example, given two 1d vectors:
...
- 17.2k
4
votes
1
answer
5k
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Fill in the blanks game
So I've coded a fill in the blanks game but my last procedure, play_game() is far too long.
Trying to figure out how to divide it into two functions:
Initialize
...
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4
answers
4k
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Check if two binary trees are equal
I've recently solved the LeetCode's "Same Tree" problem:
Given two binary trees, write a function to check if they are equal or
not.
Two binary trees are considered equal if they are ...
- 17.2k
1
vote
1
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114
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Group duplicate files (part 2)
This is a continued discussion (from here => Group duplicate files) with new code and new thoughts/questions (see special question part for details for new questions), and I decide to make a new post.
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- 3,443
3
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2
answers
6k
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Python text-based fighting game
I wrote a fighting game. My code is rough. I would appreciate constructive and critical feedback please. The goal is to become a better programmer/developer.
(I wrote this using 2 Files - The Main ...
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votes
1
answer
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Pick what maintenance check required for game
I have a Python script that plays Airline Manager 2 (on Facebook) for me. So far it can depart flights and buy fuel when the price is good. I would like the program to also automatically plan ...
- 556
4
votes
1
answer
269
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High execution time to count overlapping substrings
I was doing this HackerRank problem which basically boils down to counting overlapping substrings in a string. I used this solution from StackOverflow to build this program -
...
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4
votes
1
answer
146
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Group duplicate files
Here is my source code which group duplicate files together, written in Python 2.7. Any advice on smarter ideas to group duplicate files together more efficient, it will be great. Any general advice ...
- 3,443
10
votes
1
answer
6k
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Reading and processing histograms stored in ROOT files
The Context
My daily workflow largely consists of producing, styling, and circulating plots from a dataset to my advisor and collaborators. We use the C++ framework ROOT to generate and store ...
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1
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3k
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A Simple Caesar Cipher in Python
I wrote an encryption/decryption algorithm for the Caesar Cipher. It works fine, but I'm curious if there are any constructive critiques, tips, tricks, comments, or advice anyone may have on how the ...
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2
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534
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A python default dictionary which seamlessly saves to disk
I sometimes do experiments at work and separate the computation and the analysis so I can do the computation on a cluster and the analysis locally and sometimes in a Jupyter notebook. I wrote a class ...
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2k
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Hackerrank Submission Optimisation for Melodious Password
Given question from Hackerrank:
a password consists of exactly n lowercase English letters.
the password is melodious, meaning that consonants can only be next to
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1
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229
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Check words in documents
Suppose you have two lists:
One is a "dictionary", a list of words
The other is "documents", a list of documents (which in turn, are strings)
I would check whether a dictionary's word is within a ...
- 141
6
votes
1
answer
213
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Improving the performance of a webscraper
I have here a modified version of a web scraping code I wrote some weeks back. With some help from this forum, this modified version is faster (at 4secs per iteration) than the earlier version. ...
- 227
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3
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6k
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A Simple Rock, Paper, Scissors program
I wrote a rock, paper, scissors program. It works fine, but I'm curious if there are any constructive critiques, tips, tricks, comments, or advice anyone may have on how the code operates, performs, ...
- 379
3
votes
2
answers
7k
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Pythonic way to count if a value is 'NaN' in a dictionary of dictionaries
I have a dictionary of dictionaries with several values. I want to count all the entries that do not contain 'NaN' (Not a Number in a string).
...
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6
votes
1
answer
476
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Ackermann function in Python 2.7
I'm relatively new to Python. I just want some constructive feedback on how to improve my code efficiency, style, error handling, etc.
In this case, I've programmed the Ackermann function, but it won'...
- 379
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votes
1
answer
807
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Print a nice Latex table from an array of values
To present some results I have had to write a short method to turn an array (a list of lists) into a nice representable LaTex table. It needed to have some nice formatting features and the ...
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4
votes
2
answers
666
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Generate a Bitcoin Address and the Wif from a phrase
Is there a way to speed up my Python code?
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1
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366
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Python siren control
Below is some code I've put together to contol a siren for a fire service.
It works by webscraping a paging feed and looks for set triggers.
Is there a better way of doing my code or is this "...
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0
votes
1
answer
403
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Reading and writing configuration file
I am working on my first open source project, and I have read a lot to get the desire coding style and I think I got it. But before go further I want to get reviews about my code. This script is not ...
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0
answers
141
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Finding vtkCells in the vicinity of or coinciding with vtkPixels
I am looking to optimize this code. In its current state it is working, however, I am looking to improve it.
To represent the situation. I have a vtkPixel (...
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2
answers
112
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Reading a file representing word frequencies in Wikipedia, for clustering analysis
I am writing a system that will run Kmeans to determine the most used words in Wikipedia. I do this by building a core set with streaming data. Wikipedia is 50TB but after a year of processing I was ...
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2
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Robot Framework kickstarter - script to run regression test suites
I currently work as a Junior QA tester for a small software business. Before I joined, they had no automation in place to help assist them. I then got hired and resolved this by implementing Robot ...
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votes
1
answer
835
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Jinja2 template loader
I am playing around with building my own back end with python 2.7 and jinja2/cgi. Originally I was defining some of my environment and loader variables at the top but figured this was not the best ...
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1
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571
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Hit the target number
After I played the game "The Mesh" for a while I figured that I wanted to make a solver in Python. See the video on the website for a quick intro, I also explain the rules below.
The Mesh ...
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Display Sensor Data to Web
Last time I worked on a DHT11 sensor and got a lot of feedback, this time I have added another sensor (the BMP180), stored both of them in MySQL, and am now displaying them to the web.
The Raspberry ...
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5
votes
1
answer
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Random MP3 Selector and Player
So, I am either a glutton for punishment, or I have no life, but I wrote a script to answer a question over on Ask Ubuntu as a solution for selecting a random MP3 file in a given directory, and ...
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1
answer
6k
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Cropping faces from images in a directory
I am using the below code for cropping faces from images in a directory
...
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2
answers
12k
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Protocol implementation, TCP, sending images through sockets - follow-up
I would like to ask about your opinion about my code. The idea is simple: I designed my own protocol, where client asks server about the image, and the server sends the image, following the below ...
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1
answer
4k
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Network protocol using TCP, sending images through sockets
I would like to ask about your opinion about my code. The idea is simple: I designed my own protocol, where client asks the server about the image, and the server sends the image, following the below ...
- 223
3
votes
0
answers
109
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Quick select - shuffle to make sorting faster
I'm trying to use shuffle to improve worse case scenario of quick select (e.g. every time, selected pivot value is the largest, so each iteration, only one elements could be removed from judgement).
...
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3
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Two ways to randomly shuffle cards
Here are two implementations I wrote to randomly shuffle cards.
The first method (shuffle) selects a random card, then swaps it to the front.
The second method (<...
- 3,443
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votes
1
answer
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Expanding url from shortened url obtained from tweet
I have a twitter data set. I have extracted all the expanded urls from the json and now am trying to resolve the shortened ones. Also, I need to check which urls are still working and only keep those.
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151
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14
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4
answers
3k
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Reading a DHT11 to a file
Disclaimer: not a Pythonista, first actual Python programme written right here.
I'm reading a DHT11 sensor from GPIO pin 4 on my Raspberry Pi (thanks Thomas Ward for sending the RPi to me), and I ...
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5
votes
1
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76
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Python with alternative keywords - follow-up
Original post here. I've taken @ThomasWard's advice, and also added a couple other things.
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