# All Questions

8 views

### Raise, Handle and Note down the Custom Exceptions

I am creating a custom Exception class and trying to log the CallerFilePath, CallerMemberName & CallerLineNumber in the Error log file along with the error message which is my main Motive Here is ...
7 views

### Read binary serial data and parse integers

I'm reading serial data in binary format from a stream and am currently not happy how I extract the data because it takes so much operations to extract the binary data from a simple line of binary ...
12 views

### Streamlining function that gets the length of each value

The code works well but before I added sections (13) and (14), it ran in 6 minutes and now runs in 16 minutes. If there is a way to streamline this to cut down the runtime, that would be ...
8 views

### Excel macro to move data across workbooks using an ADO connection

I am writing a macro to move data from a CSV to an excel template. Currently, I have the code set to search for a keyword in column A of the CSV, and extract data from specified columns in the ...
19 views

### PHP MYSQLI wrapper classe

Disclaimer 1 - i am very new to PHP / MYSQL and web application development ( started looking at it 2 days ago but i have a ok understanding of java and oop) Disclaimer 2 - i have used a few open ...
17 views

### returning a string found in a continuous sequence of letters [on hold]

The idea behind the return is here. I have a list of combinations of letters and i am trying to run them past a continuous string to see if they're present and then return whichever one it finds, if ...
9 views

### Moving DTOs between server/client - How to implement communication and DTO conversion?

I am developing a server for a web-client. Basically it's just a simple CMS to modify some data. My problem is that I never had a project like this where I have to take care about the server and the ...
23 views

### Generate the combinations [duplicate]

I must write a program that given the elements in a list , generates all combinations of these elements . For example, if I [A, B , C ] , the possible combinations are [ A] , [B ] , [ C ] , [A, B ] . ...
23 views

### Selection from different collection by using GroupBy

Is it possible to simplify this code? Maybe we can use linq? ...
37 views

### Algorithm of combionations (problem with time and space)

my algorithm generates combinations of elements . For example having [A , B , C ] creates the following combinations [ A] , [ B ] , [ C ] , [ AB ] , [ AC ] , [ B , C ] , [ ABC ] . Unfortunately for ...
24 views

### Use presets to change a form

I intend to populate some fields in a form based on some presets values. The user choose the presets from a list. The following code is working, but as I'm a newbie, I would like to know if I done it ...
40 views

### Generic getting single value from DB in C#

Few months ago I posted my code Getting a single value from the DB. I implemented suggested changes and this is how it looks like right now: ...
16 views

### Access the table cell ,below a given cell in a html table. [on hold]

How can I use jQuery to access the cell (td) , below a given cell in a html table. Here is my table. I want to find out the index of each column in 3rd row belongs to first and second row. ie is I ...
34 views

### Boiler Plate Singleton / Lazy Initialiser

I'm working with an existing code base here and while I don't have the time/budget to re-do the entire thing (ultimate solution), I do get a bit of leeway to enhance the code base, as well as ...
20 views

### Unit Of Work and locking construct, EF and ASP.NET webforms [on hold]

I am working on an existing ASP.NET web application that uses the repository pattern and EF. In some cases, I noticed errors when saving because of for e.g. taking max value from database for code ...
446 views

### Web crawler that filters out non diseases

It is very messy and I lack the experience to make it eloquent so I wanted some help with it. The process time is also very slow. Currently it goes into the first page and goes through the links in ...
171 views

### Project Euler Problem 5

I wrote up a small script to calculate the answer to Project Euler Problem 5: 2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder. What ...
28 views

### C++ 2D shape intersections - template reduction

I've created a short piece of code to determine whether or not various 2D shapes (circles/lines/rectangles) intersect. It was a job interview question, but now it's just about self-improvement. I'd ...
368 views

### Checking all checkboxes

Problems: Wanting to check all checkboxes when the checkbox w/id=checkall is checked. Wanting to uncheck the "checkall" box when any other checkbox is unchecked. Solution: ...
19 views

### Type Validation using State Monad

I am attempting to build a compiler for a stack-based (or concatenative) programming language in Haskell. I've done fine getting the lexer and parser up and running, but now that I'm into the meat of ...
48 views

### Barnes-Hut N-body simulator

I've written an n-body simulator, implementing the Barnes-Hut algorithm. Please comment on anything you can see wrong with this. Wikipedia Barnes-Hut page This is a screen shot of the simulation ...
51 views

### Project Euler #3

I wrote some code to solve this question and I was wondering if it was efficient or not. I just started learning code last week and I would like to get some input so I can get in the habit of writing ...
33 views

### Graph, and a search that visits each edge exactly once in each direction

My assignment was to write a method that is capable of visiting each edge in a graph in each direction exactly once. With it, I included a basic Graph class to test it with. What I'd like a review ...
9 views

Just looking for an initial steer on my AngularJS implementation. Background Started work on a clients new site which uses a popular CMS as the backend and AngularJS has been chosen as the client ...
27 views

### What is wrong with this prime generator? [on hold]

I'm trying to solve SOJ's prime generator problem. Here is the question Peter wants to generate some prime numbers for his cryptosystem. Help him! Your task is to generate all prime numbers ...
191 views

### Sum pairs of numbers in array

This code takes a list of ints and sums their pairs, storing the summed pairs in an array sumPairs, then returning that array. If the supplied array ...
150 views

### Reusable, generic save method

I am developing a Python script that will process large amounts of data from an experiment. Files are read in, calculations are made, images are plotted and saved as .pngs, and calculated parameters ...
642 views

### Most Common Letter in string

Problem: Write a method that takes in a string. Your method should return the most common letter in the array, and a count of how many times it appears. Note: I solved it with Ruby, but the ...
67 views

Function: ...
319 views

### Word Morph (changing one letter at a time)

Below is my implementation of Word Morph solver in Python. The challenge consists of transforming one word into another word by changing one letter at a time. Each word in the chain should be an ...
38 views

### make this code more quickly and take [on hold]

How to make this code more quickly and take? ...
27 views

### Rust language tag implementation

language-tags is my first crate, it is hosted on GitHub and I uploaded it to Crates.io. It parses language tags like en-US into useful parts, like language and ...
32 views

### Charting daily balance

I have been trying my hand at Python lately. I have been able to look at code examples and create a custom application that queries a Microsoft SQL Server, pulls out two columns (date, balance) and ...
20 views

### C# I want to move to another switch (previous in this case) [on hold]

I want to get back to the previous switch when I press [1] - Move Back Also in another project I want to move from a switch to another. Is this possible? I'm totally new to this. I tried goto and ...
192 views

### Removing duplicates from an unsorted Array

I have written this program to remove the duplicates from an unsorted array. Please review and give me your input on how I can improve it a little more. ...
103 views

### HTML Form validation with PHP

I'm kinda new to PHP and I'm trying to make a script to validate a HTML form only with PHP (I know there are options to do so with JS, but I guess it's better to have a "cover" with a server-side ...
179 views

### Simple Tic Tac Toe game

I'm just starting to learn Java and I have written this simple Tic Tac Toe game. Please review it and give me some feedback, advice, guidance etc. Main method: ...
68 views

### CUDA Kernel - Neural Net

I'm building a spiking neural net (recurrent, integrate & fire), and I'm curious about how to reduce the warp divergence (and other problems) I may have. Here's a example with a few hand-placed ...
82 views

### JavaFX Tic-Tac-Toe Game

I programmed a Tic Tac Toe game using JavaFX, and I'm looking for a code review of it to improve my skills and practices in Java. It would highly be appreciated if you reviewers emphasize on these ...
138 views

### Sorting an Integer array

The program sorts the array from lowest to highest and outputs the index of the searched value: ...
21 views

### Using goroutines to bruteforce a secret code

For a puzzle I had to brute force a password. I've never used goroutines before, and I don't have much experience in concurrency. This is the cksum function, which takes an array of the ASCII code ...
20 views

### OAuth2 Client for Reddit, written using Tornado

I have a written some code which helps me to get OAuth Access Code from Reddit. Reddit uses standard OAuth2, so like any other OAuther server, here's are the steps to perform: The client/app sends ...
25 views

### Fast Event Manager

I've recently coded an event manager with performance as the main factor. I'd like to know what you think of it and what could be made better. ...
102 views

### Lotto/lucky draw

The following script draws 6 numbers at random. I input another 6 numbers and compare with random numbers generated, if they're the same, you win. ...
53 views

### Infrastructure for my 2D game using Allegro

I am making a small 2D game with the use of Allegro 5 library. I am making use of inheritance e.g. sprite class as the base class and player class as the child class, but I want to know if it's a good ...
169 views

### Making ArrayList.containsAll run faster

Whenever using ArrayList, the method containsAll(collection) runs in time $\mathcal{O}(mn)$, where $n$ is the size of ...
17 views

### linked list query [on hold]

I used the following code to create a linked list of pointers, each having a length of the English alphabet plus one for the apostrophe. I'm trying to load words from a file, dictionary into a trie ...
56 views

### Sudoku verifier program

I implemented a Sudoku validation program. Can this be optimized even further in terms of performance? ...