Validation is used to check data to make sure it fits whatever required specifications are set for it.

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3
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2answers
45 views

PHP contact form

I recently had my site hacked, with the main index file being overwritten (nothing else was touched). I'm assuming they hijacked my form input. Are there any vulnerabilities in the code or does this ...
2
votes
3answers
144 views

ADT for a TVM calculator

I wanted to get some criticism for the below ADT. This is just a basic ADT that will be fed into a TVM calculator. Main purpose is to have it initialized and correct for input errors. Full ...
3
votes
0answers
26 views

Validating JavaScript origins

I need to write a function in Python that makes sure the user entered a valid JavaScript origin. If I understand it correctly, the origin includes the scheme, hostname and port (port and scheme might ...
4
votes
1answer
35 views

Luhn algorithm MS-SQL

This a solution Luhn algorithm for credit validation. This algorithm is a basic one inspired by wikipedia. I mean no check for length, type, and so on. You can enhance the base code as you want it to ...
3
votes
1answer
55 views

Haskell Luhn Algorithm

Trying to get to grips with Haskell. The problem is taken from here. ...
3
votes
1answer
48 views

A User class for visitors to register and log in to a site

I'm just looking for some feedback on my User class. The class is designed to handle users being able to register, login, and logout of the site. I'll be using it in conjunction with a forum I'm also ...
2
votes
1answer
53 views

Sudoku validator

I've decided to learn some more Haskell writing a Sudoku validator, the function checkSudoku outputs True if the Sudoku is valid and False if it is not. I did not ...
4
votes
1answer
54 views

Class-based user input validation

Having contributed to this Community Wiki on StackOverflow regarding validating user input, I thought I'd finally sit down and write something more robust to do these kinds of tasks. I wanted ...
1
vote
1answer
99 views

Checking that a filename does not end with “Com.js”

I'm fairly new to JavaScript and I wonder if there is a way to write this function shorter and better? ...
5
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2answers
38 views

Validating config files and separating back-end from front-end

I'm writing a simple script which will search a source directory for certain types of files and move them to a destination directory. I'm using it as an opportunity to practice writing some ...
2
votes
2answers
52 views

Validate and Add Service Provider/Location in C#

I have a button that will validate the textbox for the service provider and the dropdown list for the locations. I have 3 tables: Locations, Service_Providers, and Service_Providers_Locations with a ...
1
vote
1answer
42 views

A simple Ruby EmailAddress class

I wrote this short, plain Ruby lib to handle email address validation inside and outside of Rails applications, and I would like to know what you think. ...
3
votes
2answers
51 views

Validator part 2

This is a follow up to: Validating individual properties and whole items I have a custom class I've written which allows me to validate individual properties of items, without firing validation ...
3
votes
1answer
43 views

Check secure image upload

I want to upload images to server from browser window. I'm using this function for image upload. Images are uploaded by GD library. What is your opinion of this code? Is there still a way to upload a ...
4
votes
1answer
50 views

Data-checking class supporting letters

I'm starting to learn OOP with PHP, and all I've learned so far is just by searching and reading. So I have this need to check input data for certain things like min of chars, max of chars, spaced or ...
2
votes
1answer
72 views

Validating individual properties and whole items

I have a custom class I've written which allows me to validate individual properties of items, without firing validation errors on other properties. This allows me to individually validate what my ...
3
votes
2answers
67 views

Removing synchronization from an agent for a trading system

Is there any way to easily remove synchronization from this code, when there is a validation step before acquiring a lock? I tried an ...
5
votes
2answers
330 views

Calculating the volume of a tetrahedron

Here's my function for calculating the volume of a tetrahedron. I've tried to comment well and perform a few checks on the types of the objects passed to it. Can ...
1
vote
1answer
59 views

An easier way to test a valid username

I have the following requirement for valid usernames: Only alphanumeric characters and - Must not start with a - I wrote this regex (on Rubular): ...
5
votes
3answers
156 views

Constraining data in idiomatic Java

Playing with a simple Java Point class where I would like to constrain the X and Y values to be doubles that must be in the range -10 to 10, inclusive. I've written ...
7
votes
2answers
220 views

Registration form with validation and error messages

I've been working on a registration form page in jQuery Mobile and I think I'm starting to get it fully complete. What I need feedback on is if I've forgotten anything in terms of accessibility, ...
6
votes
2answers
129 views

A way to handle integer input

I'm working on simple code that is to read input where: The first line is a number of cases to consider. The next lines are integers separated by a space that will be tested lately. Possible ...
2
votes
1answer
49 views

Flask form validation technique

This is currently the code that I'm using to validate and check for errors in a flask app, where the form fields are coming from a /registration html page: ...
4
votes
2answers
86 views

Credit card checking

I am practicing test-driven development in Python. Feedback about both the tests and the code is appreciated. I'm using luhn algorithm and regex to check credit card numbers for validity. Here are ...
5
votes
3answers
143 views

Validating email addresses through temporary mail message

I was given this project and have changed a lot of code on it, now I am going over the code to make sure that I know what everything does and can maintain it efficiently, and to make sure I want my ...
2
votes
1answer
90 views

Laravel controller for form validation skinny

I'm trying to make controllers skinny as possible. I use repositories for accessing the database and I use Services to do other stuff. In this case, I use it to insert a new post to the database. For ...
7
votes
4answers
389 views

Calculating a specific entry in a Pascal’s triangle recursively

Our task was to calculate the entry of a Pascal’s triangle with a given row and column recursively. The triangle was specified in a way that the tip of the triangle is ...
4
votes
4answers
61 views

Validating a Collection of IPv4s

I have a method within a class that validates all proxy addresses are valid on initialization. I've tried to refactor this a bit, but this seems to be the best I can do. Any suggestions and/or tips as ...
2
votes
1answer
38 views

Sane ranges for DB queries

I have a function that has, as input, a ranges object which may define from, to and ...
2
votes
1answer
62 views

Validating input against rules

I have created a method that validates inputs based on a set of rules. If an error is found, it is put into an array which can later on be used to display the errors to the user. Below is my code: ...
7
votes
3answers
103 views

Better card validity check in JS card game

I am writing a card game in Javascript. The game is played with a 32 card deck. When a card is selected to be played by a user, i do a validity check on the server to check whether it matches the ...
4
votes
3answers
235 views
6
votes
1answer
226 views

C# Multi-checkbox validation MVC4

I wrote the following custom validation annotation for my project to confirm that at least one checkbox of a group of checkboxes is checked: ...
3
votes
2answers
72 views

Refactoring IEnumerable<ValidationResult>

I have the below code which increases the code complexity. Any way to refactor it? I am trying to refactor the below code so that the CCM can be reduced for the code. i.e code complexity matrix. ...
3
votes
1answer
55 views

Test if a string is a number

In need for testing if a string is a number which could be a double or integer, I wrote a simple skeleton, which parses a string like this: ...
3
votes
2answers
70 views

Reservation validation

I got a Reservation model that has reservation_start and reservation_end. Then I have the ...
11
votes
2answers
662 views

Foolproof number validation

I know there have been a lot of post, blog article answer on Stack Overflow (but the validation does return true on a tab character) about this. But I'm still ...
3
votes
1answer
115 views

Testable authentication handler for web API

I need to unit test my authentication handler. I don't really want do an assert against the text message returned by the handler. How could this be improved ? ...
1
vote
0answers
52 views

Singleton request validator and sanitizor class

I have tried to code a PHP singleton class for validating multiple/single fields (sanitizing is optional). When validating single field, on success it will return 1 (...
2
votes
0answers
75 views

Immediately send redirect response, preserving session data

This question is for Laravel 4 only, as the relevant parts are completely refactored in the upcoming Laravel 5. I have written an helper function for validation, so I only have to put this in ...
5
votes
2answers
541 views

Should a class own the responsibility of converting an incorrect data type?

The ElectricalEngine class responds to the horsepower message. Because efficiency is calculated in percent a programmer can mistakenly initialize it with an integer ...
3
votes
2answers
316 views

Getting valid URL from user input

I have a dialog which populates my ConnectionStringData object with the URL of the service that I'm trying to connect to. I then consume that URL with the following ...
3
votes
2answers
49 views

Running validation procedures on a table

I am working on a project that has to parse through a text file and perform validations on certain fields in the file. Some of the validations are basic(i.e. data types), and other's are a little more ...
2
votes
2answers
64 views

SPOJ problem: Life, the Universe, and Everything

Your program is to use the brute-force approach in order to find the answer to Life, the Universe, and Everything. More precisely, rewrite small numbers from input to output. Stop processing input ...
10
votes
3answers
120 views

Preconditions library

Over the past year I've quietly developed a library for checking method preconditions. The project is hosted at https://bitbucket.org/cowwoc/preconditions/ I would like to get your feedback on the ...
3
votes
2answers
95 views

Outputting Errors to User

I currently am making a small application where a user will enter their ID which needs to be in a certain format. When entered in the wrong format, different output errors are produced. I currently ...
2
votes
1answer
738 views

Validating email addresses and phone numbers

I have the following code that I need help with refactoring: Validation class for objects you may create: Email address URL Norwegian Mobile Number (must start with 4, 9 or 59 and be 8 digits ...
2
votes
1answer
62 views

Node2D and Node3D classes implemented using a shared decorator

EDIT: I have made another go at this using metaclasses here. I think it's a much better approach. I have the following classes. validator is a decorator that ...
7
votes
5answers
465 views

Python odd number diamond

I worked up a quick diamond program that takes only odd numbers while returning an error with even numbers or 0. The code looks rather ugly to me, especially with the recurring ...