# All Questions

1 view

### self alias in closures

I use closures in java code a lot and because of the requirement of the project to include 'this' alias to all instance fields and methods, I used to use 'self' alias to reference the outer scope ...
5 views

### Regex for finding After Effects files in scene code format

I haven't used regex a lot (or is it regexes?) and I needed to set up a script that can gather a list of file paths that should adhere to a strict formatting convention, so I thought that sounded like ...
9 views

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20 views

### Exposing IObservable through property or interface [on hold]

I want to have a class that will expose an IObservable<ushort> stream of values for a specific "Tag". I have identified two alternative implementations. Are ...
12 views

### JAVA run time error(NZEC) [on hold]

I've been given the following task: Devu got hold of a 1-indexed array A consisting of N integers while Churu has an empty array B. Devu in his turn will choose a contiguous segment from his ...
11 views

### Is this method is right to add ActionListener for JTree [on hold]

everyone.Here I want to extend DefaultTreeCellRenderer and create my TreeCellRender by rewritting getTreeCellRenderer,and I create a ...
17 views

### Django application - code improvements and best practices [on hold]

I have just finished a Django application, and I would like to get from you some code reviews related to my code. Application flow: Basically, my application is accessing a specific URL (always the ...
16 views

### MVC partial views and AngularJS modules

I am using MVC+Angular. In MVC, I created partial views for search, listing, etc. I show them using: ...
8 views

### Binary tree implementation in Scala

This is my implementation of a binary tree in Scala. How can this be made better? ...
17 views

### Analyze very large sets of engineering data from Excel files

I am an electrical power engineer with some programing skills. My boss asked me to make a program which could analyze very large data, make some calculations and give the result. The task lookes like ...
21 views

### Calculate trapped “rain water” in structure

Supposed my input is [1, 4, 2, 5, 1, 2, 3] . Then we can create a structure like this: ...
10 views

### Hide/un-hide directory and open directory based on argument [on hold]

I have been working on a bash script that hide a directory by moving it to a .directory and un-hiding it by moving from .directory to directory. I have it working and it was working fine during the ...
20 views

I just wrote an advanced CSV parser that translates CSV to SQL(SQLite Compatible) statements, which are then inserted into the database. It translates variable names in the CSV to values defined in ...
16 views

### Pomodoro Timer via setInterval

I'm hoping for some input on if my code is DRY or how I could have made it more efficient. I am pretty new in terms of jQ/JavaScript and this took me far longer than I care to admit. I will post the ...
195 views

### Reversing a number

I was working through a programming challenge I found on Reddit and it seemed easy enough: Find all numbers less than $10^n$ where the number and its reverse (the reverse of $123$ is $321$) ...
26 views

### Extremely redundant HTML templating

This is horrendous. I'm using lodash's templating engine for this table. Here's the template for an individual record's row. I've got 5 different table and ...
1k views

### Oh my goodness: How many selfies have I taken?

The title is a joke on how some people take a lot of selfies pictures Recently, in The 2nd Monitor, there was a brief discussion on selfie answers, starting with this post. At one point, a user said ...
33 views

The application leverages the bitcoinj library to generate a vanity bitcoin address. A vanity address is simply a bitcoin address that contains a personalized string. I would like some critical ...
30 views

### Modeling rainwater collection and cost

The following is a function that takes an area as an input and outputs some resulting calculations. I thought an object was useful for creating multiple instances with different custom properties ...
20 views

### Override values for overlapping objects between two scala lists

Let's say I have a bunch of Widget, where a Widget is class Widget (sku: Int, label: String, name: String, description: String) And I have 2 sources of Widgets: ...
24 views

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416 views

### Simple number theory game

I just started JavaScript about a week ago. For my first project, my goal was to use my knowledge of basic JavaScript to create somewhat of a "thinking computer brain," so to speak. I wasn't focused ...
20 views

### Defining array contents using multiple statements on one line

I'm writing a sub which is going to determine which type of business is being detailed on a particular line of data. It's going to use column positions to check if the data exists, and then output the ...
40 views

### MVC and Services

I'm writing and app in AngularJS and am learning about writing RESTful services. I also want to make sure that I'm understanding the MVC pattern correctly. In my code, this is my take on how I'm ...
10 views

### Segment tree with lazy propagation

This is the implementation of segment tree with lazy propagation. Could you please review this code so that I can improve my ...
320 views

### Chances to gain yards (text simulation game)

I'm making a text simulation game in C# and I've made the calculations and all. But I know there's a better, faster and more efficient way in doing this. Basically, the first calc is that there's a ...
40 views

I wrote a snippet of code to help me memorize text out of files and was hoping to get some feedback on the code, since Python isn't my strongest language. You can see the code on GitHub, but I've ...
41 views

### Base-2 representation using C++

I'm preparing for a test and came across this exercise. If possible, dissect this and point out any flaws in it, keeping in mind time complexity. In base -2, Integers are represented by sequences ...
20 views

### Webscraping Bing wallpapers

I wanted to scrape all the wallpapers from the Bing wallpaper gallery. This was for personal use and to learn about webscraping. The gallery progressively gets images using javascript as the user ...
43 views

### Will this regular expression match all binary strings with even number of ones and zeros? [on hold]

POSIX version: ^((00)*|(11)*|((10|01)(\2|\3)*(10|01))*)+\$ Emacs version: ...
20 views

### explain matrix creation code [on hold]

Here is the original question where the user asks how to create an empty matrix. One of the answers is the following ...
547 views

### C++ Stack using template

I'm learning C++, so I wrote a stack with the help of templates. I'm wondering if there is anything I can improve or if I did something vastly wrong. Stack.h ...
26 views

### One hash with params populate two objects

I have a JSON API where a user can update a post and related details to that post. To simplify the process the user just fills in one hash and we don't expose our architecture. What I did here works ...
127 views

### Nested object to hierarchical object list

I have a C# type to generate Layer SubLayer: ...
33 views

### Re-worked Workbook_Open, Creating DateStrings

So, I had a go at re-writing my Workbook_Open event based on The advice from my previous question. Thoughts? ...
301 views

### Convert a date string to a DateTime object in C#

I was just wondering if my code contains defects or if there was a more efficient or general way to convert string to DateTime object. In the input, I have a string ...
111 views

### Boost.Spirit UTF-8 string literal parser with escape support

I wrote (as part of a greater work) a Boost.Spirit grammar that would parse string literals, including support for the various escape sequences known from C/C++ (...
39 views

### A basic Tic-Tac-Toe game programmed in Java

I have programmed a Tic Tac Toe game in Java using JavaFX for the UI. I have improved my previous version of the game after it got reviewed here. I will be highly satisfied if you can point out how to ...
29 views

### wpf ugly event dictionary [on hold]

I have wpf application that gets data from webserver. Implementation of Application. It contains two Views (LeftView, ...
40 views

### Inverting a binary tree [on hold]

So I came across some code which is used to invert a binary tree, and it looks like this: ...
41 views

### Ordered map for C using AVL tree

I was in the mood for some data structures and I decided to code up an ordered map using AVL tree. I will post only map.h and ...
132 views

### Finding the shortest excerpt that contains all search terms

Write a function called answer(document, searchTerms) which returns the shortest snippet of the document, containing all of the given search terms. The ...
15 views

### How to refactor, clean, and/or merge a massive code base efficiently [on hold]

We have a massive code base of over 8,000 Java, JavaScript, CSS, Java Server Page, and Spring-specific files. I have occasionally inquired about the ability to refactor certain files for readability ...
42 views

### Background execution in iOS

The following class BackgroundExecutable is to be used to take a function f and return a function ...
52 views

### Shell script to detect router slider status

I have openwrt router (TP-Link MR3040) and on boot I have it check the slider (AP,WISP,3G/4G mode) the goal was to have it execute the current "slider status" vs the old one, or do nothing if its the ...
442 views

### Fastest possible text template for repeated use?

While reviewing Sending templatized e-mail to a million contacts, I wrote this implementation to illustrate an alternate approach. It is designed to be the fastest possible way to generate templated ...
11 views

### About PokerHand Rule [on hold]

I never played PokerHand before and I do not understand the given test. Can anyone tell me why it shows two result(assertTrue(a.compareTo(b) < 0); AND assertTrue(b.compareTo(a) > 0);)? ...
46 views

### Converting Pandoc Markdown images from captioned to inline

After writing a rather long document in Markdown and using pandoc to convert it to a PDF, I found, to my dismay, that many of the images were out of place, and that they all had their alternate text ...