All Questions
77,561
questions
4
votes
1
answer
624
views
Processes and Handling (Piping)
I basically have 3 processes which I loop through.
The first process is encoding Video. It's actually 2 processes but they are connected, so I don't need to worry about how it handles the other one.
...
- 953
6
votes
2
answers
7k
views
Blackjack game with classes instead of functions [closed]
To try out the concepts and tools I've been learning, I decided to write a Blackjack game. I wrote it entirely with functions, so it hasn't helped me at all with the concept I really lack ...
- 221
6
votes
2
answers
1k
views
Simple python script to shorten URLs in specified text files
A recent question inspired me to write a script for this task:
Shorten URLs in specified text files using googleapis.com
Handle multiple URLs, whether on the same line or multiple lines
The original ...
- 111k
1
vote
2
answers
5k
views
Testing memory usage of each function on the OpenCart extension page
Somewhere in this code seems to be a memory leak. A couple of users were exceeding 512Mb and I'm not sure how.
Adapted the following SO code to try and test memory usage of each function on the (...
- 630
23
votes
2
answers
2k
views
Calculating Luhn-algorithm checksum digit
Today I decided to learn some basic Haskell, and for starters I made a program for calculating the checksum of a Swedish personal identification number. It uses the Luhn-algorithm, aka. ...
- 59.2k
8
votes
1
answer
5k
views
Update Map in Haskell
I wrote a function that inserts or updates a Map key value depending on whether the key is already in the ...
- 3,193
3
votes
2
answers
2k
views
Convert international datestring to ISO-format
The function below takes a datestring in the form d-mmm-yyyy and converts it to ISO date format (yyyy-mm-dd). Delimiters may be hyphen, space or /, and Dutch or ...
- 827
12
votes
1
answer
744
views
Trampoline Interceptor
Aim
In C#, the following method will cause a StackOverFlowException if called with parameter 0:
...
- 5,734
3
votes
3
answers
102
views
Working with Classes (inheriting), @ properties and Initialization
I'm working on this Objective C programming assignment I found online. I'm not sure if I have met all the requirements, especially part C. Any help or suggestion will be appreciated.
Part 6
a)...
5
votes
1
answer
104
views
Connected components algorithm does not scale past 10,000 nodes
I found a connected components algorithm posted here on SO and modified it for my own purposes. It runs well for small input sets, but doesn't scale as well as I would like.
The largest set I've ...
- 151
19
votes
1
answer
3k
views
Blackjack Strategy
I am creating a Blackjack simulator in Java in order to better understand the language. I have written the basic strategy section for a player and it is terribly long.
Is there a better way to do ...
- 293
15
votes
2
answers
17k
views
Better option than "errno" for file IO error handling
I have the following method for opening a file:
...
- 17.1k
3
votes
1
answer
72
views
Return a List<MyObject> based on very similar data
I am rewriting an old VB.NET app in C#. I will not subject you to the old VB.NET code that I am writing (the original method that I have already refactored was over 700 lines long).
The following is ...
- 583
4
votes
3
answers
11k
views
Tic-Tac-Toe Game
I want recommendations on how to improve this code.
JSFiddle for you to play in (It's laggy, so it would be better if you download the images and try it in your own PC).
...
- 1,243
4
votes
1
answer
2k
views
Data Access Layer method with transaction handling
I just want to know whether I've done transaction handling well. Also what about the other types of transactions available in .NET with regard to this code snippet?
Also are there any redundant ...
- 1,753
1
vote
1
answer
1k
views
Service class for Archiving and Mirroring Files and Directories
I am writing an application that either mirrors a file/directory into another location or creates a zip file "snap shot" of a file or directory and stores it in another location. The user is able to ...
- 848
10
votes
4
answers
216
views
Adding two sides of an array
The purpose of the program is to add 2 sides of an array starting from the bottom and top of both ends and to find the lowest difference at equal decrements of iteration. The program functions but it'...
- 101
8
votes
1
answer
4k
views
Best way to create a daemon in a JavaWeb application
I have a purpose for an application to run a daemon in my web application.
The application is running with Struts1 on a tomcat7 server using Java7.
This is what it does:
Launch itself when the ...
- 83
3
votes
4
answers
22k
views
WPF Calculator Code
I've coded a calculator in C# with WPF as the UI.
I wish to know mainly about these points:
Ways of optimizing
Better techniques, tactics and ways of coding this
All flaws on the surface as well as ...
- 1,243
5
votes
2
answers
139
views
Parsing Websites and transferring Data between Objects
I have a DiningHall class that has the 3 properties: openingTime, closingTime, and ...
- 361
2
votes
2
answers
6k
views
Validate multiple regexes without a for loop in JavaScript
For a project, I need to validate a VAT number against the correct algorithm. I found a library for this here (freeware, so I should be able to reuse it) that I'm grateful exists. However, I feel like ...
- 1,538
10
votes
2
answers
1k
views
Animal choir simulator
I got a PHP developer interview test to solve for a company. I didn't get the job but I would like to know where I was wrong. Did I understand the test completely?
...
5
votes
3
answers
820
views
Repetitive controller with all methods nearly identical
I have an API with the following code
...
- 195
3
votes
2
answers
2k
views
Multiple loops versus multiple stringbuilders
I've come across the following piece of code in a Razor view
...
- 641
12
votes
3
answers
2k
views
Finding largest prime factor from inputted number
This is my first C# console application. This program asks for an input of a number, and finds the highest prime factor of that number. Please review my code.
Have I used things right?
Is my code ...
- 1,243
7
votes
1
answer
268
views
Chat using commands
I have been learning Python and was trying to make a chat system which can be run by commands. This is my first attempt to write the code. Does this make sense or is it wrong usage of classes?
There ...
- 2,638
15
votes
4
answers
368
views
More German overengineering™ - Class mappings and factories
Goals:
So the plan was simple: Provide a factory to instantiate implementations of a certain interface (ModelConverter<T>), depending on what model-class you ...
- 25.2k
3
votes
1
answer
262
views
Selenium Java: errorRecovery
I have the following code to select an image using Selenium, only now I have added an errorRecovery. Is there is a better way to right the code in the ...
- 103
12
votes
2
answers
4k
views
Mapping enum to function - request / response library encapsulation
I'm writing code for an embedded device - specifically, a camera. The idea is different camera manufacturers can implement the code so it properly works with their camera.
Here, I'm encapsulating the ...
- 22.3k
6
votes
1
answer
828
views
Base generic DAO optimizations
I have base abstract GenericDAO class that executes CRUD operations with different kind of objects. Customer and ...
- 369
10
votes
1
answer
186
views
Good performance when predicting future game states
This question is about my answer to this king-of-the-hill challenge on Code Golf. In short, the purpose of the challenge is to code a slime that, trough various possible moves gains control over an ...
- 654
10
votes
2
answers
779
views
Sending SMS through twilio from play framework
I am trying to send SMS using Twilio with Scala 2.10 in Playframework 2.2, but this code is looking odd to me, maybe due to lots of conditions. I'm sure it needs some important reviews.
...
7
votes
1
answer
5k
views
Rotating Text in Circular Pattern Using JavaFX
Just wanted to see what you all thought about my program, I basically have two different classes that I designed to allow for automated wrapping of text in a circular pattern. This is my first bit of ...
- 415
3
votes
2
answers
3k
views
Deepest left leaf node in a binary tree
Given a Binary Tree, find the deepest leaf node that is left child of its parent. This question is attributed to GeeksForGeeks. Looking for code-review, optimizations and best practices.
...
- 8,391
4
votes
4
answers
234
views
Advice needed in refactoring/cleaning up my javascript code
I am fairly new to Javascript. I have written a website that works as designed. However, I have a strong feeling that my code could be heavily refactored. Can anyone see anything, besides line spacing,...
- 67
11
votes
2
answers
874
views
Checking conditions before allowing a play button to become visible
I have this code to check a couple conditions before allowing a play button to become visible. Is there anything to do to consolidate this code?
...
user42699
47
votes
2
answers
4k
views
Tired of FizzBuzz yet?
There have been many FizzBuzz questions lately, and here is one more! Granted, it is pretty straightforward to do FizzBuzz with SQL using calculations.
So instead, I'm going to do a FizzBuzz which ...
- 20.4k
13
votes
1
answer
1k
views
Abusing Excel VBA... to maintain data stored in a database
I need to build a little UI to allow easy maintenance of some data stored in a MySQL database, and the end user wants to do that in Excel (I know, I know).
The code I came up with comes pretty close ...
- 75k
3
votes
1
answer
49
views
3
votes
0
answers
111
views
Use of die() in flow control - proper and sensible?
Designed for OpenCart, vQmod places or replaces bits of code based on XML files.
The following three versions of the code achieve the same goal, which is to ...
- 630
2
votes
2
answers
32k
views
Efficient way to iterate over elements of array for matching contents of another array
Using jQuery I'm trying to find an efficient way to iterate through an array excludeMe and check if elements from another array ...
- 123
6
votes
2
answers
2k
views
Flatten a multilevel linked list
Given such a structure the output should be
10->5->12->7->11->4->20->13->17->6->2->16->9->8->3->19->15.
...
- 8,391
7
votes
3
answers
19k
views
Codility Frog Jump solutions [closed]
Problem details from Codility:
A small frog wants to get to the other side of the road. The frog is currently located at position X and wants to get to a position greater than or equal to Y. The ...
- 271
11
votes
2
answers
3k
views
Parse HTTP header using Python and tcpflow
I wrote a program that reads a pcap file and parses the HTTP traffic in the pcap to generate a dictionary that contains HTTP headers for each request and response in this pcap.
My code does the ...
- 111
7
votes
1
answer
408
views
Perfect game loop
I've been working on development for an Android game, and this is the game loop I have so far:
...
- 71
7
votes
4
answers
225
views
Use a Java Array like a List
I'm saving string values in an array one at a time so I cannot initialize the array with the values all at once. After I'm done with the array I need to pass it to another class that is expected a <...
- 173
2
votes
2
answers
467
views
Calculating the number of prime numbers to solve the puzzle
How can the following program execution time improved? I have used dynamic programming in both "recursive" as well as "prime" function, but I'm not getting the efficient execution time.
There is a ...
- 63
3
votes
1
answer
2k
views
Multi-user server connection handling
I'm writing a program and I have a server that needs to be able to handle multiple client connections at once doing many different things.
I'm using the Qt library, so I handle new connections like ...
- 131
12
votes
5
answers
596
views
Categorising a number in JavaScript
I've written a function that takes a number and returns a value depending on where that number lies on a pre-defined scale. That's probably a little confusing so I've put the code below and added a ...
- 223
7
votes
2
answers
1k
views
Improving nested for loops for sub menu creation
I have a nested loop which creates a drop down with 3 levels. Works fine on modern browsers but on IE8 it hangs and takes several seconds when there's even a moderate volume of data.
It creates a ...
- 73