# All Questions

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### Packet Scout (show traffic on specified port)

I've just made a github repository for a simple packet scout in C#. It is my first time using C# (other than Neoaxis 3D engine logic) since I am more familiar with C#. Below is the main bulk of the ...
3 views

### Count keys in a file

Below classes are to count keys in a text file. The file has key, value pair like below examples John, 12 Sara, 2 Adam, 19 John, 1 Adam, 3 and the main class ...
9 views

### HTML/CSS MS Word style navigation ribbon

I made a MS Word style ribbon header, but it all seems very hacky, and I'm not really sure how to simplify it to something more reasonable. Rolling over one of the navigation icons changes the related ...
29 views

### FizzBuzzWoofFooBar - follow-up

I took all your suggestions to heart and I think it improved the code a lot. The Map got it's own typedef: ...
24 views

### Updating a list in Python

I currently have a list and I want to update this list by removing any of the entries that meet a particular criteria. So, for example I have the following: ...
36 views

### Finding the nth triangular number

def triangularNumber(n): if(n == 1): return 1 else: return triangularNumbers(n-1)+n works great to find the nth triangular number up to ...
33 views

### Smoothing Code Blocks [on hold]

I have the following two blocks of code. I also have other similar sections with similar blocks and want to reduce the complexity of it all. As it is, it is impossible to follow anything. What kind of ...
261 views

I have just finished the sololearn C++ course and wanted to create a basic login program in the vein of a basic operating system. ...
22 views

### Handling multiple click events

You are first confronted by three links. Each link triggers divs to slide out. The link 'john smith' slides out and in at the speed we want. When it slides out the first line slides out then when ...
21 views

### Finite State Machine supporting shortest path transitions

In our automated test framework, written in Java 8, there are different entities representing test data, having different states and transitions between them. To model this behavior, I started to ...
9 views

### Updating table with cross join and select [on hold]

I have three tables: ...
31 views

### Creating Sudoku generator and validator

I've created two classes that contain only sudoku logic. One class Sudoku generates sudoku grid and returns SudokuGrid object ...
17 views

### 2D OpenGL Tile Atlas Fragment Shader

I am currently using the following glsl code to retrieve separate textures from a tile atlas: ...
12 views

### Cross tab PHP data [on hold]

I have a query that is pulling data from a MySQL database using PHP. As the while loop progresses the variables \$student, ...
53 views

### Am I missing something by using generics rather than System.Object?

I recently created a custom static class in C# to encode, hopefully, any object it is given (or collection of objects), because I was, at the time, unaware of a native C# library that did the same ...
23 views

### Compare two directories, apply the changes, backup and restore

I’ve written a small utility tool capable of backing up a directory, restoring a backed up directory, syncing two directories (copying missing or changed files from ...
14 views

### Avoid jQuery in click event

I have the following controller: ...
30 views

### Scroll Magic Multiple Scenes

I am using Scroll Magic for the first time and I am in general very new to JavaScript/jQuery. I got it to work but it is very messy and repetitive code. Here is the fiddle. This is the messy code (I ...
29 views

### Can we make vector of references and retrieve successfully since C++11? [on hold]

Is it the solution implemented below, a standard viable way of doing things? What are the pro and cons in this approach? ...
55 views

### Scraper for words from Wiktionary

I wrote this code in Java using the Jaunt library. The program scrapes all words from Wiktionary from category "English_uncountable_nouns". And after save each world to text file. I am not sure that ...
22 views

### Nand2Tetris Code Module

I'm working through the Assembler assignment in the Nand2Tetris course (chapter 6). The suggested implementation contains 4 modules: Main, Parser, Code, SyntaxTree. Today I wanted to get some feedback ...
23 views

### Creating a page number array for pagination

I have written a small function to generate an array of page numbers for displaying a pagination. The inputs to the function is an active page number p, and the max page number. The function will ...
24 views

### java for loop optimization [on hold]

I have the following question. Is there difference between 2 variants or java optimizer optimizes the second variant to first 1. ...
13 views

### Subclass a Class using Storyboard [on hold]

I have a class HomeViewController. I want a similar class SearchResultViewController. I just want a back button in ...
37 views

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64 views

### SQL Injection - Validating user supplied input

I was assigned a task to fix the SQL injection flaw reported by a code analysis tool and I am not the original author of the code and I do have fair amount of knowledge on SQL. ...
22 views

### Multiple parent() method in jQuery [on hold]

To append data I am using parent() method five times in the code and I think it seems like an ugly way to do this. ...
16 views

### Flow of Angular Promises

I recently put in a submission for a small coding challenge using Angular. The challenge was to get a token and array of values using a GET request then make another GET request passing the token and ...
24 views

### Suffix array construction in O(n (logn) ^2)

I wrote code for suffix array creation based in $O(n (log n)^2)$ on the tutorial in CodeChef. My code gets TLE on SPOJ and I'm not sure why it is not performing in $O(n^2 log n)$. ...
59 views

### CSV import-export in Python

I have finished a really short and small import / export script using Python 2.7, and now I would like to structure it using classes and methods where possible. Could anybody give me some advice on ...
38 views

### Sum of primes between two number from optimized Sieve of Eratosthenes

Here is the code that I wrote to give me sum of prime numbers between n and m: ...
17 views

### Restricting mutliple async tasks from being executed in C# [on hold]

I have to restrict multiple async calls from being executed. I want to show a message when second task is trying to execute before the completion of a previous task. Please find my approach here. ...
29 views

### “Split the Phone Numbers” challenge

We want to extract the information from a phone number as such: [Country code]-[Local Area Code]-[Number] There might either be a '-' (ASCII value 45), or a ' ' (space, ASCII value 32) ...
11 views

### Stock market investment design [on hold]

I'm dealing with stock market investments; I have an Account() which can have multiple Holdings()s and each ...
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### In WinRT how can i align the Text as Center in TextBlock? [on hold]

I have set the VerticalContentAlignment, HorizontalContentAlignment and TextAlignment as Center as per the below code but the text is not aligned center in the TextBox. ...
25 views

### Parse strings and respond

I'm doing some exercises from another good website aimed at a similar problem - exercism.io, and my 1st C++ problem was to pass a certain test suite. Here is the README for relevant information: ...
19 views

### std::vector 'substring concatenator'

The point of this is to concatenate a vector of std::strings into one string starting at an index of the vector. ...
21 views

### Get ids from divs in a drop zone on button click [on hold]

I'm trying to find a way to get the ids from dragged divs after they are in the drop zone. All the drag components have an id ...
18 views

### Adding/removing background GIF images on scroll

This code adds and takes away background GIF images on scroll. I will be using this for 12 images on the same page but the code looks like it will get incredibly repetitive. My main concern is to get ...
32 views

### Fast tag replacements

This uses the Stack Exchange API to quickly batch replace tags in questions. I still need to fully comment and make the Wiki, but are there any glaring mistakes in it? I have tried to use ...
28 views

### Running alarms in python

My code is designed to simply trigger alarms; it is not supposed to be used by anyone but me. ...
518 views

### Checking if a point is on screen

I'm working on a tile-based game, and am looking to improve the efficiency of my code to slightly improve framerate. I call this method on every tile, every frame, so it is very performance critical. ...
60 views

### Isometric City Building Game

I have recently been working on my first game with an isometric perspective. For those who don't know, an isometric perspective is a pseudo 3D view created from 2D tiles. I am working off of this ...
7 views

### Capture check_output value [on hold]

I am trying to capture the return value of check_output instead of having it automatically print to the command line. Unfortunately, my solution is not working and I'm not sure why. I've included my ...
24 views

### Javascript singleton to notify different objects of changes in viewport size

I'm working on a singleton object to manage size changes in the viewport, I wanted it to be a singleton because there may be different unrelated objects that need to be notified when a change in ...
29 views

### Concatenating CSV filenames into a single file

I've created a PHP script which take an array of filenames as a comma-separated parameter and concatenates them, serving them as one, single JavaScript file. I've also built a caching mechanism into ...
11 views

### Structured use of Android SQLite transactions

I got tired of following Android-SQLite's transaction idiom, briefly documented here. It requires too much boilerplate code, IMHO, especially when you add the obligatory null checks. So I came up ...