All Questions
6,259
questions with no upvoted or accepted answers
6
votes
0
answers
97
views
Python - Displaying messages in ArcPy/IDLE
I have created a wrapper for displaying messages with ArcPy and IDLE (as that is all I have available to myself due to certain circumstances) as I frequently use both to test and develop new tools. ...
user214684
6
votes
0
answers
65
views
HR Data Entry Form allows addition of new employees and update of existing employees
Business Process: Data entry form allows HR employees to input data for new employees, update data for existing employees, or terminate employees. Three data storage sheets exist for existing ...
- 61
6
votes
0
answers
675
views
Single-threaded fully asynchronous server, with a SocketSelector that dispatches events
I need a fully asynchronous single-threaded server written using .Net Core. Searched for options and, surprisingly, did't find any. So I decided to write a simple prototype. Borrowed idea from python'...
- 161
6
votes
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answers
143
views
Julia set in Julia (and other fractals)
I've made the following to draw a series of zooming in images of a fractal.
...
- 3,597
6
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0
answers
2k
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Implementing a TCP client in Golang
I am very new to concurrent programming in general and want to know if my implementation is thread-safe.
I'm currently working on implementing a TCP client in golang. The service listens on a port ...
- 213
6
votes
0
answers
202
views
DSL for Makefile generation for dotfiles using symlinks
As I explain in my rant, I have been searching for a replacement to hand-crafted POSIX-make-compatible makefiles to manage my dotfiles (which use symlinks). I ...
- 524
6
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0
answers
51
views
Drawing a line in any direction with pixels
I am doing an image drawing and rendering library, and would like some feedback on this code, it simply draws a line in any direction.
The equation for that is:
m = (y2 - y1) / (x2 - x1)
b = y1 - m ...
- 61
6
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answers
1k
views
Recursive conversion from ExpandoObject to Dictionary<string, object> #2
Because my original question was lacking many details, I have been advised to ask a new question.
I will repeat the important parts of the original question and add examples etc to hopefully make it ...
- 355
6
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answers
490
views
C++17 implementation of std::invoke
C++17 introduces std::invoke which calls the exposition-only INVOKE. Here is an implementation. This isn't a large amount of ...
- 9,550
6
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answers
146
views
How to speed up simple linear algebra optimization probelm in Julia?
I implemented the LSDD changepoint detection method decribed in [1] in Julia, to see if I could make it faster than the existing python implementation [2], which is based on a grid search that looks ...
- 161
6
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answers
5k
views
Cubic spline interpolation in Python from scratch
I implemented the cubic spline interpolation explained in
https://en.wikipedia.org/wiki/Spline_interpolation as a Python class. Of course, such an interpolation should exist already in some Python ...
- 61
6
votes
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answers
198
views
Converting between cooking measurements
I've made an Android app that converts between cooking measurements, taking into account the type of product you use (that way it can convert between mass and volume by using the density). What are ...
- 11.6k
6
votes
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answers
293
views
Generating integer partitions
I've tried to implement integer partition algorithm as described in blogpost below (author implemented it in Python):
Generating integer partitions
I'm still trying to learn best practices in ...
- 161
6
votes
0
answers
1k
views
2048 AI in Python 3
I am working on an 2048 AI and this is my code so far.
In the game 2048 you have a 4x4 grid in that some random so named tiles spawn.
Each tile has a number. The lowest number is 2.
By using the left,...
- 81
6
votes
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answers
399
views
Creating a new language: FreezeFlame
Where it shines
FreezeFlame shines in readibility while still maintaining most of the C-like syntax. It also implements a few (Planning on several) operators that are still in testing for other ...
- 1,255
6
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answers
213
views
Resource cache based on Stroustrup 22.2.4
I recently read "The C++ programming language" chapter 22 and I thought the example given in chapter 22.2.4 was quite interesting. I thought it should be possible to make this system caching, so it ...
- 61
6
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answers
8k
views
Page and center UICollectionView like App Store
I need a collection view to page through cells and center it like the App Store, where a portion of the previous and next cells look like this:
The native ...
- 143
6
votes
0
answers
613
views
Office CommandBarButton Icon Browser in the VBEditor
Frustrated with the solutions that I found online I decided to write my of Icon Browser. From the onset I decided that my Icon Browser should work from the VBEditor and not show any of the thousands ...
user109261
6
votes
0
answers
141
views
Advanced Logging Function
Way more blood, sweat, and tears have went into this then I would care to admit, but this has been a function I have been using in some shape or form for quite a while and it has taught me alot.
It ...
- 226
6
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answers
7k
views
Simple Neural Network in C
A neural network is a structure of connections and nodes that takes input and generates an output. It can be "taught"(adjusting weights and biases of connections) from a teacher data set ...
- 189
6
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0
answers
188
views
C++ string Formatter Again Part-4
Previously asked here.
The code is now available on GitHub.
Since the previous review I have added unit tests.
Since it is big it will come in a couple of parts.
Part 1 | Part 2 | Part 3 | Part 4
...
- 95k
6
votes
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answers
131
views
Connect Four implemented via smart contract
I'm learning Solidity development, so I decided that Connect Four would be a fun side-project to work on.
Here's the current flow:
A user creates a new game and sends ether to the contract, then ...
- 235
6
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0
answers
277
views
OCaml safe uninitialized array
One of the annoying things about OCaml arrays is that every cell has to be initialized when the array is first created.
I'm trying to implement an array in OCaml that distinguishes ...
- 439
6
votes
0
answers
116
views
Read stock files, gets the candles sequence and makes a report - follow-up
My first question: Read, calculate, write
The only thing I kept is the function try-block.
This is still a work in progress, that's what I have done so far.
Source:
...
- 307
6
votes
0
answers
751
views
Laminar flow in a pipe animation using Tkinter
I wrote this simple particle flow animation with Tkinter. I wanted to ask if there is some major improvements you can think of regarding the animation motor or the documentation of my code? I noticed ...
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6
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2k
views
Authenticate ASP.NET Web Api 2 using OWIN and Firebase
I'm about to go live with an app, and would, therefore, appreciate a review of my firebase authentication setup. I haven't been able to find many resources describing how to perform such ...
- 161
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answers
2k
views
6
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0
answers
256
views
Selection sort with reduced comparison count: Python iteration 2
Follow up to Selection sort with reduced comparison count - semi-final Iteration?
My goal (and excuse not to tag reinventing…) is to have presentable code to argue the viability of reducing the number ...
- 6,416
6
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0
answers
9k
views
Example of multithreading in Python3 / PyQt5 using QThread
I wanted to make a simple example of multithreading with QThread in PyQt5 / Python3. The script generates a set of QLineEdits and buttons to start and stop a set of ...
- 161
6
votes
0
answers
279
views
Idris - Bowling scoring
Having read the great Type Driven Development in Idris book, I started fiddling with an implementation for a Bowling scoring system in Idris.
My initial goal was to model the score with types and ...
- 291
6
votes
0
answers
197
views
Character-based transitions (part of a lexer)
As part of my prep for the Code Review community-challenge (which looks like it will be Write your own programming language), I've been working on an LL(1) lexer generator in Rust.
Yes, lexer ...
- 1,944
6
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414
views
Creating a PowerShell Streamer Function w/youtube-dl, ffmpeg & ffplay
My question is in regards to combining youtube-dl, ffmpeg, ffplay and PowerShell to handle video URLs.
Some examples I've seen have piped a binary stream from youtube-dl to an external player using ...
6
votes
0
answers
139
views
Makefile for CodeReview (and other Stack Exchange sites)
This makefile (for GNU Make) has grown slowly as I've been building code samples from this site and others.
One thing that's different from most project makefiles is that each binary tends to have its ...
- 75k
6
votes
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answers
458
views
Simple AR Tag classifier
I have been working on creating a simple AR Tag classifier, for detecting a simple AR Tag glyph. Spitting out an image that looks like this:
With the red circle indicating the corner closest to the ...
- 449
6
votes
0
answers
2k
views
Iterate through all the photo library in iOS
This function is supposed to return a map of all unique local identifiers of images that are on the iPhone using the IOS Photos Framework.
(it is a map so nSnull or (any object can be mapped to it) ...
- 61
6
votes
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answers
79
views
FRP: Processing task lists
I recently heard about functional reactive programming and thought it was rather interesting. Therefore, I started out with writing a simple program which processes a list of tasks.
(In this example, ...
- 61
6
votes
0
answers
223
views
Value semantic type eraser
I've been using std::unique_ptr for cases where I want to store a derived-type value with type erasure, and felt that unique_ptr being nullable was an undesirable ...
- 451
6
votes
0
answers
395
views
Solve alphametics puzzles in non-brute-force, iterative manner
The goal: Trying to optimize solution for the alphametics problem on exercism.
From the question text:
Alphametics is a puzzle where letters in words are replaced with numbers.
For example ...
- 243
6
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0
answers
4k
views
Finding the length of arbitrary ASCII character strings
I have implemented this MIPS code to determine the length of given ASCII character strings.
Is there a simpler way to implement this code? Is there is a built-in function in MIPS?
Given String:
...
- 405
6
votes
0
answers
138
views
brainF*** interperter in lua
For a personal project I may need to load and execute something that will basically be a very simple programming language. Though I am not at all close to this part of the project yet and I can most ...
- 61
6
votes
0
answers
116
views
Android component animatable on its height
I'd like to have a code review for a component which is supposed to be animatable on its height. It's supposed to be a transitioning element.
I find it quite laggy on my phone.
...
- 79
6
votes
0
answers
692
views
Simple virtual machine prototype for Lisp-style languages
I found a post I made here an year ago (Compiler for a minimal LISP dialect to run on the Java Virtual Machine) and got interested on this subject again. This time I decided to implement the ...
user97096
6
votes
0
answers
762
views
Swift class to check ApplePencil reachability
I've implemented a class that lets you check out whether there is an ApplePencil connected to the device or not.
...
- 161
6
votes
0
answers
80
views
Pyspark Solver for Tiered Board Games
I've written a Pyspark program that will completely solve a tiered board game (no loops, each game position is a member of only one tier) and writes each tier to a file. It also determines the ...
- 61
6
votes
0
answers
2k
views
Decode HTML Entities in VBA using regex and dictionary
I receive HTML-encoded text that includes named and numbered entities, and I need the decoded HTML.
There were just too many bad solutions for this online.
I use regex pattern ...
- 1,959
6
votes
0
answers
128
views
Calculate and apply realistic velocities when animating sprites
I am brand new to Scratch (and animation in general) and have been playing around with various techniques I feel will probably come in handy. My project in question can be viewed here. It started as a ...
- 171
6
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0
answers
791
views
Pseudo-parallel depth-first search
I'm writing a small program that generates a file containing an adjancency matrix, it then reads from that file, constructs a graph and does something like a parallel depth-first search (dfs) on it.
...
- 161
6
votes
0
answers
2k
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MSTest Data Driven Test Inline Data
Background:
Didn't what to have to reference bulky 3rd party lib for inline data driven tests and wanted to use standard MS testing framework.
Created helper ...
- 3,236
6
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0
answers
2k
views
Implement two level caching using spring's cache abstraction Cache and CacheManager
Details about spring's caching framework are here. When I was reading this link, I thought the composite cache mentioned there was one that used levels of caching based on the order given to the ...
- 221
6
votes
0
answers
509
views
Console Command module (in-game console or base for script engine)
I've created a console/terminal command handling module that allows the programmer to bind functions to a command name and later execute them from std::string. What's new is that it handles most stuff ...
- 161