A dictionary, in computer science, is a data structure that maps keys to values such that given a key its corresponding value can be efficiently retrieved.

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76 views

Read from csv file, transform to dictionnary

First of all, here's the code I'm working on: ...
4
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2answers
72 views

Traversing and printing complex Dictionary types (Scripting.Dictionary) - Dictionary inside of a Dictionary

Based on this SO post - also reposted on vba4all.com with a few more details and explanations. Please notice there currently is no error handling whatsoever as I didn't analyse and consider any traps ...
2
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1answer
29 views

Fuzzy matching dict keys

What do you think of this idea? It's supposed to be a dict that makes a reasonable guess at the key you were trying to access for getters and deleters. Setters should be untouched. Similar to how ...
1
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0answers
27 views

Using URLs and RegEx for web scraper from a dictionary [closed]

I have dozens of functions which GET/POST to some URLs and extract data using RegEx. The URLs and regular expressions were hard-coded earlier but now I moved all of them to a dictionary. I then saw ...
2
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1answer
48 views

A function to convert FASTA .txt to a dictionary

I'd like feedback on my function to convert FASTA data to a dictionary in Python. Here's an example of FASTA text: ...
6
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3answers
117 views

Convert dict entries to sets and lists

Can you please tell me if there is a better way to do this? ...
11
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3answers
243 views

Using a Dictionary to retrieve BOOL values

I have some values pulled from a web service giving me a bool value for a key. I did it this way, but feel like it is repeating without need. How can I refactor this? Please note that the key on ...
3
votes
1answer
55 views

Creating a fast Android dictionary (word counts)

This is a follow-up of my question here: I am currently working on an application for various statistics. One task is to analyse a good amount of sentences for their word counts. The specifications ...
3
votes
1answer
37 views

Merging values with lists as flat-lists

I'm merging dictionaries together in series. Each one may/may not have lists as values. I'd like to merge indefinitely and, have the final merged dictionary contain only flat lists as values. Any ...
3
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0answers
62 views

Multi-dictionary API using Python Flask-RESTful

I'm working on a simple online dictionary tool, using Python Flask-RESTful as the RESTful API backend. The dictionary tool is modular, it can handle multiple dictionaries, implemented as independent ...
2
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1answer
39 views

A module to display, update and save a dictionary as .csv v2.0

I'd like feedback on my revised code after my previous question. The goal is to create a module which can display, update, save dictionaries as .csv files. I'll use this in another program to update ...
7
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1answer
67 views

A simple dictionary tool, extensible with plugins

I'm working on a simple dictionary tool, with a base class that can be extended by plugins to represent different dictionaries. The base class does most of the heavy lifting: it keeps the index of all ...
3
votes
3answers
170 views

A program to display, update and save a dictionary as .csv

I'm now looking for feedback on v2.0 of this program instead. I'd like some feedback about my code. What bad habits do I have? What advice could help me write more Pythonic? I'm trying to write a ...
7
votes
2answers
353 views

Dictionary of attributes and values

In the code below, I have a dictionary of attributes and values. I am checking to see if the value if an attribute is True, and if so adding the attribute to a list for later processing (it becomes ...
0
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1answer
52 views

Performance issue with conditionally removing keys from a dictionary [closed]

I'm new to Python (2.7 Spyder). My code takes a long time to execute, and seems overly complicated. I'd like to use the range function but it isn't behaving as expected so, I'm using a comparison of ...
1
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1answer
50 views

Convert 2D list to dict of list of index

I have a 2D list like this: ...
5
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4answers
278 views

Passing parameters to a query

I have a function that takes a Dictionary<String, Object> as an argument. It uses this Dictionary to create parameters ...
2
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2answers
90 views

Error Handling When Using Dictionary

I have set up a Dictionary that calls on a class to fill a DataGridView via SQL statements. The problem is in two (out of 5) ...
5
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1answer
242 views

Spell Check and Trie implementation

I have written this code for an Edx course called CS50x (a beginner course). This problem set required me to write a program which: loaded a dictionary into some sort of data structure (I choose to ...
2
votes
1answer
108 views

Modifying nested dictionaries in Python

My task was to take a configuration specified as a dictionary and run some function with it (the actual function is not relevant here). After implementing that, I was asked to allow some "sweeping" of ...
6
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1answer
198 views

RSS feed parser

I've just started learning Swift. I started with an example of RSS feed parser. I have a wrapper class written in Objective-C which converted the XML response into ...
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2answers
386 views

The efficiency of looping over nested dictionaries in Python

How to make the following code more efficient? ...
7
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1answer
85 views

Is this implementation of persistence OK?

I'm using this code in an app that has hundreds of daily users. The code works, and passes all of the test cases I have. Occasionally some users report a problem that I don't get right to the bottom ...
-2
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1answer
56 views

Optimizimg ugly if else loop in python [closed]

So, I`m getting some values from large nested dictionary. s_copy['productStyleVariantSizeInfo']['sizeDimension2SizeOptions'] and f_copy['productStyleVariantSizeInfo']['sizeDimension2SizeOptions'] ...
3
votes
2answers
364 views

Check winner in a Tic Tac Toe game

I have the below code to check for a winner in a Tic Tac Toe game. I'm wondering if this is a good approach, and if there is a better way of doing this (maybe by monitoring the state of the board). ...
0
votes
1answer
110 views

For and if loops in Python math game [closed]

I'm trying to get my program to iterate through a loop after a person gets the correct answers to the first question. I feel like there is a better way to do things syntactically. ...
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2answers
76 views

Validate fields in Python dictionary using dictionary of lambdas

I would love some feedback on this. I use it to validate web-form objects before persisting them in the dangerously-lazy MongoDb. I have a class and many validators for each of my collections. Is ...
13
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1answer
209 views

Python Dictionary Black Magic

I am defining a subclass of a the python dictionary object mpCmd where every item is converted to a lambda. The intended usage is that every item in the dictionary ...
2
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3answers
77 views

How can I optimize this hash string function?

I'm writing a function which gets two strings and a number k as an input, and outputs a string with length k which is present in ...
5
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3answers
208 views

Is there a simpler way to find winners when there is a tie?

Background: I have a Python script which parses a complicated CSV generated on election nights. Each row of the CSV represents a race. As I loop through the races, I store the candidates for each ...
2
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2answers
63 views

Managing and searching objects using tags

I wonder Is it appropriate to hide imported classes (collections and UserDict in this case) from Python IDE (e.g. IPython)? Is there a more efficient algorithm/implementation? Please feel free to ...
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1answer
127 views

Is this use of ConcurrentDictionary truly thread safe?

I'm working on some teaching examples showing the perils of accessing the Dictionary class concurrently. In the code below each function is designed to do a word count across a number of files. ...
4
votes
1answer
88 views

Output of 'ldd' to dictionary

I want to use the output of the terminal command ldd: ...
5
votes
4answers
351 views

Iterate over two collections of equal length

What's the best way to iterate over two collections of equal length? Currently I'm using this: ...
5
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2answers
92 views

Geometry table for use in regexes

I have been teaching myself Python 3. I watched a video on YouTube entitled "stop writing classes". The Gtable class doesn't even have an init function, so I can't help but wonder if I should have ...
3
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1answer
53 views

Building a dict/list of lists

I have code which is matching features within regions. The first thing it does it matches features from one region to an entire database of region features. I have a mapping from query feature index ...
2
votes
1answer
63 views

Scraping thefreedictionary.com

Scrape results from thefreedictionary.com ...
6
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1answer
86 views

Dictionary<TKey, TValue> Implementation

This class encapsulates a List<KeyValuePair> (see List<T> implementation here, and ...
8
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3answers
112 views

Collect and calculate average times from log, then display top 10 longest durations

Here's a novel-length summary of the issue: I'm trying to write a VB.net program to help me collect remote site statistics from system-generated logs, but I'm a little like a carpenter who only knows ...
7
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2answers
239 views

Game passive skill system

I'm trying to create some easily accessible database of different skills. General idea is that every skill should do something different and be able to act on different things (ex. one skill which ...
10
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3answers
147 views

Refactoring if-else structure with elements of dict

I have code which gets data from a POST request (request.form dict), compares with corresponding attribute in object ...
1
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1answer
191 views

Making adding to a dictionary more efficient?

I have the following code and it's taking quite some time to run. I'm getting an Out of Memory Exception due to the high volume of answers there are. Is there any ...
8
votes
3answers
590 views

Scrabble algorithm review and performance suggestions

After finishing Project Euler 24, I decided to make a scrabble type of application using /usr/lib/dict as my dictionary what I cat that into a word file. It does take a few seconds, and the dictionary ...
5
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2answers
3k views

Splitting an NSArray into an NSDictionary of array more elegantly

I need to split one NSArray into NSDictionary. Every key in NSDictionary will contain an ...
2
votes
2answers
87 views

Special dictionary

I need a special dictionary that would do as follows: if key is set to more than once, the values are a list of all set values. Such a list is returned as value on get. if key is set only once, it ...
3
votes
1answer
644 views

Recursively convert a list of lists into a dict of dicts

As a challenge to myself, I wrote a solution to this Stack Overflow question. For completeness, the bulk of the question is as follows: Problem Input: ...
3
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5answers
2k views

Is there a better, more efficient way than Dictionary(Of Tuple(), MyClass)?

Suppose I have data coming from different sources that tells me information about a large group of stores that has the following (just an example): Necessary to define what store we're dealing with: ...
0
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1answer
615 views

Copying Dictionary collection into an array [closed]

Hi I want to minimize the following code: ...
3
votes
2answers
603 views

Test if two IDictionary objects contain the same values

I'm adding a function to my test library to assist in testing if two IDictionary objects contain the same keys/values. I need the method to be generic and support ...
1
vote
1answer
1k views

opening a text file and building a dictionary

Need to write a function that takes an open file as the only parameter and returns a dictionary that maps a string to a list of strings and integers. each line in the text will have a username, ...