While solving a leetcode question on Maximum Product Subarray, I stumbled across a solution - which runs very fast (faster than Dynamic Programming solutions found at http://www.geeksforgeeks.org/maximum-product-subarray/), is pretty straight forward, but has left me wondering if this is just a h...

""" Complete redundant map, which takes a tree t and a function f, and applies f to the node (2^d) times, where d is the depth of the node. The root has a depth of 0. """ def redundant_map(t, f): """ >>> double = lambda x: x*2 >>> tree = Tree(1, [Tree(1), Tree(2, [Tree(1, [Tree(1)])])]) >>>...

I've recently acquired a program which is capable of using a GLSL fragment shader as a plugin. After a short amount of experimentation, I've realized that - for my use-case - I desperately need a function that does the equivalent of the following: Takes two 2D points and calculates a line betwe...

I would like feedback for this code. This is a game of hangman which uses classes but my knowledge of this category is very limited so I did the best I could. I would like my code to become as professional as possible as far as being an amateur stands. If anyone has any ideas or features they thi...

Problem Statement: Design an employee swap in swap out system. The system will have a machine which records the swap in and swap out. The user can also login in a portal where he can check his swap in /swap out time. He can correct his time also. There will be managers for employee who can ch...

I am trying to build a bigram model and to calculate the probability of word occurence. I should •Select an appropriate data structure to store bigrams. • increment counts for a combination of word and previous word. This means I need to keep track of what the previous word was. • compute the pro...

I'm trying to parse a file of about 200 MB in size. I decided to use Python re module for this task. However, upon some further study I found that the BNF grammer based PyParsing provides what I'm looking for. To test my code, I used a 5 MB file and to my surprise the code takes more than 3 minu...

I want my code to display the mobile version on the PC one. I cant upload my code here, i dont know how yet.. Here is my website: http://youtube.ae.tn thanks!!

Currently I want to output a data from a database. I have two separate arrays. May I know is there a way to combine those arrays. The code is as below, $array_1 = [ 'memo' => 'title string', 'break_down' => 'title string', 'images' => 'title string', 'email_content' => 'title string' ]; ...

Can someone let me know what would be the cleanest and best approach to maintain constant values as part of my code solution? 1. A resource file .resx 2. A settings file 3. A static class 4. Maintaining in config file If there are any other options available, please suggest them as well. Thanks.

I don't know if it's a good place to ask such a question here, anyway, I have written a simple code for Runge-Kutta forth order integration to solve a system of ordinary differential equations and paralleled it by OpenMP. I don't know it it is the best we can do for maximum performance of the cod...

I'm working on a experimental code which allows users to authorize using jwt's. jjwt library is used. Here's the authentication and authorization flow. User login User enters login credentials. (User login page is being displayed to every user) Authentication service validates user's existence...

I'm a beginner developer and I wrote a simple programm. How could be the code improved to meet best practices of the development? I mean if the names of classes or variables are enough self-explaing for others and it is required to insert setters and getters in the classes, when I know that at th...

My Concerns Is this code pythonic? Is this code easy to read? is this code stable? is this code missing something? # -*- coding: utf-8 -*- """ Simple rss to html converter """ __version__ = "0.0.1" __author__ = "Ricky L Wilson" import StringIO from feedparser import parse as parsefeed fro...

I have implemented binary search algorithm in JavaScript, Its as follows, var myArray = [], searchNum = undefined; // below function is used to capture the // commandline parameters for array and the // number to be searched (function(){ process.argv.forEach(function (val, index, arr...

I've made a facebook scraper using vba in combination with selenium which is able to parse the name from friend request list. It is necessary to do one thing manually, though. After running this script, when facebook page opens up, there will be a notification popping up mentioning "Allow" or "Bl...

I would make a filter to filter my data using next parameters: First name Last name Language Profile A minimum date of registration A maximum date of registration Success All filter options are not required for the user. Here could you find my C# code. private IEnumerable<Registration> Filt...

The PrepareConditions method in FeeTypeQueryService class prepares the conditions based on the searchConditions parameter, and returns as an object. searchConditions can only have 3 combinations, such as: Filter by TenantId, FeeTypeId Filter by TenantId, FeeTypeName Filter by TenantId, FeeTypeI...

I was writing this code and was using the BigInteger class because it needs to work with numbers up to 309 digits long, however it takes too long to run with numbers that are too big. I was hoping to find a way to make it more efficient and faster, but have tried everything in my power. Any sug...

I already asked this question on Stack Overflow but was told that my question should rather be posted here. I need to document an ES6 class with JSDoc that takes in an object that has properties that has the key names as names of people so the key names can be pretty much any string, nothing pre...

From the code metrics in VS it says that the maintainability index is 64. I think the code is really easy written. How can I get a higher Maintainability Index? public void ExportProjectFolderToZip() { Log4NetLogger.Logger.Info("Start of Method ExportProjectFolderToZip"); ...

I have a d3.js force directed graph that is driven by the code below. I am relatively new to d3, and much of the code is pieced together from various examples found online. If anyone has a moment or two (even if only to review a portion of the code), I would greatly appreciate any help. The graph...

I have one table on which I want to perform some calculations. The table stores employee points that are awarded for performing various tasks. The relevant structure is as follows (table has about 15,000 rows): PointsTable: ID int IDENTITY(1, 1), EmployeeFirstName (varchar), EmployeeLas...

I have written some code in python in combination with selenium to parse all the names from facebook friend list. It was hard to manage the pop up notification and the process of scrolling to the end of that page. However, my scraper can do that successfully. I tried to do the whole thing very ca...

I parse a big source code directory (100k files). I traverse every line in every file and look for function calls via regex matching. I know that using regex to parse languages is a terrible idea. However, I'm looking for simplicity and not interested in the whole parse tree. Moreover, the rege...

Working my way through the second edition of the Rust Programming Language and did the exercise at the end of ch 8: Using a hash map and vectors, create a text interface to allow a user to add employee names to a department in the company. For example, “Add Sally to Engineering” or “Add A...

I have made an edit to this answer about 'Lissajous pattern simulator' to replace misleading names of two varables xStart and yStart with more appropriate in the context xTimeFactor and yTimeFactor. However two reviewers, Heslacher and Incomputable, rejected my proposal on the pretext of 'deviati...

I was recently going through and refactoring old code, and I eventually came across the code for my websites menu bar, so I started to refactor it. I also recently was introduced to Heredocs, which I am very new to and not sure all the ins-and-outs yet. Here is the refactored code for part of i...

So I get a user input of a lot of numbers in a single line like this 100 100 200 300 300 300 400 500 500 700. I want to store the distinct ones in a list. A simple approach is to do this: nums = input().split(' ') myList = list(set([(int(i) for i in nums])) My question is, is this a faster/...

New to PHP and was just wondering if any improvements can be made, maybe increase efficiency or just clean up code? I know I'm using an old MYSQL maybe we can update it. Just want to make sure the connection can be as best to its ability. Also, if you can, can you explain on how to improve secur...

I have a program which I require to cease some of it's activities at specific times. This can change day-to-day, week-to-week. The code below (working) is a test script. My program would check use the sleep_data() data set to check if the current date falls within any of the periods for a given ...

I'm using cv::norm() to compute the L2 distance between row vectors in thousands of dimensions (at least 4096 dimensions). I'm using an AVX2 machine and icpc version 2017. Since I'm computing this function millions of times, I need the possible most efficient version for this function and I hig...

I wrote this program, that needs to count the number of letters in random.txt file in pascal programming language. It doesn't matter if letter are small or caps. Other charachters are ignored. When it finishes it writes, on output, every letter in a single line and then after it the numper of app...

Can I ask here for a blog post about programming review? (I'm totally new to Code Review)

I have a CVRP problem that I solved in Python. There are 6 planes (T1-T6) and 3 airports (AUS,DAL,HOU). The airports have 1,2,3 gates respectively. Each airport has a minimum ground time of 25, 30, 35 minutes respectively- that each plane must wait after arrival before departing again. The planes...

I have implemented the code of a codeforces problem. But after trying it for alot of time I was not able to implement a dp solution of the question. So, can anyone tell me how can i change and improve my solution to convert it into a dp one. Or any tips about how should think and implement to for...

I have this scene featuring a colored spinning cube that I would like to design better.I would like to split the main function into smaller ones while also avoiding the use of globals cause apparently they can cause many problems as the codebase grows bigger. Being a JS amateur I can't decide how...

I'm looking for suggestions on how to clean up JavaScript/jQuery code that looks like the example in the Before snippet. I'm a backend developer so some of the constructs in JavaScript are foreign to me. I took a stab at it in the After block but I'm not sure if there is a name for that design p...

I have to do a 8 puzzle resolver with bfs, dfs and A* algorithms in python, but I have some issue(s). This is my output for python driver_3.py bfs 1,2,5,3,4,0,6,7,8: bfs Frontier node before shift: [[[1, 2, 5], [3, 4, 0], [6, 7, 8]]] current node [[1, 2, 5], [3, 4, 0], [6, 7, 8]] Frontier node...

I've created a macro that finds the letter "O" in a range, then moves it up one cell if the destination cell does not have a "." or an adjacent border. It works fine, but I've heard that the use of the "GoTo" statement is something that should be avoided as much as possible (leads to spaghetti c...

In answering this question on Stack Overflow, I decided to stretch my legs in Haskell a bit to see if I could implement a solution to find the count of lucky triples in a list of ints. A lucky triple is any triple (j, k, l) where j <= k <= l and l `mod` k == 0 && k `mod` j == 0. A correct implem...

I have started to learn C and decided to recreate my bakery task in C. As I am new to the language, I am unsure if I have approached the task in the right way using structs. Feedback on the style of the code would also be appreciated. #include <stdio.h> double cup_ingredients[4] = {4.0,0.1,12.0...

On my work I maintain an Excel-sheet which contains information about the incident-tickets I've processed. I've enhanced the sheet with some VBA-code which I use the following way: In the beginning of the work shift I start a new section by entering the current date into the first column. The da...

I have implemented matlab's linspace function /// linear_space - linearly spaced vector /// linear_space(a,b,n) generates N points between a and b /// the goal of the function is to return an evenly distributed set of n points inline std::vector<double> linear_space(double a, do...

A bit of code I made in VB.NET to convert the digit form of integers into words. I've intentionally assumed that inputs will match the desired format since the focus of this task for me was to appropriately handle the logic required to complete such a task from valid input. Due to this, there is...

I have a project that uses a library to save serialized objects in items and loads them again, when needed. To do the de-/serialization, this library uses Gson. Due to how Gson works and how the library is set up, I can't add support for custom types easily and thus have to rely heavily on refle...

I've made a simple Matrix class to learn C++. It doesn't use Templates so it only works with double. I made it this way to really understand how to work with objects and memory. I'll probably move to the next level once I get feedback on this one.How can I improve it more? Please explain why I...

I have written a stack in Python that is required to push, pop and return the minimum of the stack in O(1) time. #!python3 class Stack(): def __init__(self): self.items = [] self.min = None def push(self, item): self.items.append(item) self.minimum() ...

Overview I am designing one api that will be integration with another system, however I stumbled upon one code which I know it can improved but I don't know how to do it properly. Code [HttpPost] [Route("Reserve")] public IHttpActionResult Reserve([FromUri]ReserveData reserveData, ...

Here is an implementation in JavaScript that attempts to resemble Python-like arrays by mimicking slice comprehension for both getters and setters, as well as negative indexing from the end of the list. I've called it List just because; this name has no particular importance to me, so suggestions...

I am working on an android application the travelling salesperson problem (a list of cities and the distances between each pair of cities, counting shortest possible route that visits each city exactly once and returns to the origin city? I am working on an android application the travelling sale...

How can I reduce the amount of code without losing quality? What are your tips? Your comments on the structure, logic, in general, everything. How to make the type of data entered by the user determined automatically? using System; class taskTwo { static void Main() { int x, y; // Decl...

I'm trying to create a very basic login process using $_SESSION and $_POST with php, not worried about security at all at this point. I thought I could do something minimalistic like the following, but once the user has logged in, it loads a page, within a page, within a page etc., which wasn't h...

I parse a JSON from source like the Google Directions API. With my current code i get no error but I'd like to improve this if possible and am also looking for suggestions for improving the code quality. I tried to paste my code intop here but i could not. Downlaod my class Reader Download my ...

What are best practices for writing memory-efficient CSS? Like what are does and don't regarding CSS's memory usage? Are there any 'evil' CSS properties that should be avoided at all costs? (etc.) For further clarification, please read the bullets below. What I mean by memory is not the hard di...

Assignment Batch Grayscale You have learned how to convert an image to grayscale, and how to select and process several images to convert them to grayscale and display them. You also learned how to copy an image and save it with a different filename. Now put this all together in one ...