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

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Calculatraining with FX

There have been a lot of calculators lately. It seems like this community challenge all over again, I didn't make a proper one then, so I'm joining the calculatrain now. Going off from the lessons ...
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15 views

Validating all of model's properties are accounted for in form using reflection

We have run into instances where someone would add columns to a table in the database, update the Entity Framework models for our solution, but forgot to update the forms to compensate for the added ...
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2answers
114 views

JavaScript form validation

Is this a "good" method of form validation? ...
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2answers
46 views

PriceDialog - Prompt & price validation

In a recent CodeReview I presented a Product Manager that manages product listings and prices. Based on the great feedback I have refactored the mentioned Prompt and validator class and want feedback ...
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1answer
28 views

3D plot from lm model with a nonlinear parameter

I am trying to plot a 3Dplot of a linear regression with two variables. My linear model: ls = lm(mpg ~ disp + qsec, data = mtcars) The minimum and maximum ...
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1answer
45 views

Long format data - fill episode based on conditional previous episode

The data are organised as long format data. 4 individuals are observed during 4 or 5 days (BCSID is the name of the unique key). Basically, the data describe ...
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1answer
30 views

Clean phone number

Program that cleans up user-entered phone numbers so that they can be sent SMS messages. The rules are as follows: If the phone number is less than 10 digits assume that it is bad number If the ...
2
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1answer
58 views

AngularJS image size validation directive

I've written a directive to validate the width and height of an image in AngularJS. I'm not a JS genius but I get along with it. So I would appreciate some feedback on this directives code if this can ...
2
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2answers
152 views

PDO wrapper with validation

After moving from mysql_ to PDO I created a PDO handling function. Basically this function takes parameters, checks them and returns end result. The thing is that I created this ~1 year ago and ...
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1answer
25 views

Form validation

I want to know if this would be considered a proper way to validate a form or if there is an easier way that I'm not aware of. I think I was reading somewhere that you are not supposed to use ...
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1answer
79 views

Relative relationships

This is a question in Udacity JS course. I am starting to like Javascript. I feel its a misunderstood language :) We learned about relational operators and how they can classify the relationship ...
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1answer
106 views

Validation macro

I would like a review of a Scala validation library I am writing. For now we can focus on the regular expression component. The usage is described in RegexExample.scala There is an outline of the ...
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2answers
93 views

Inserting a name into a database table

I want to ask you if my PHP code is safe enough. I don't know if I should escape special characters in string after regex validation: ...
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1answer
54 views

Calculate sales tax from tabular data

This is a Python 3 solution to the problem stated in Sales Tax Problem, rejected for not being up to their standards. It also seems like the same thing as the problem stated in Sales tax calculator, ...
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2answers
40 views

Check whether all textboxes are filled

I'm doing some simple validations using jQuery to check if all textboxes are filled. ...
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1answer
25 views

Creating error messages for grammar mistakes - avoiding duplication when refactoring

After my Dialogue parser has parsed a dialogue, it needs to be validated. To that end, I have several checker classes that go through the lines of the Dialogue. These checker classes get huge as I ...
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1answer
44 views

Fields are required, except if all fields are empty

I have a group of four inputs, the first three are required, the fourth is optional. $fieldA $fieldB $fieldC $fieldD #Optional So to validate the inputs, I ...
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votes
1answer
31 views

Reduce the calls to database for validations in rails

I was building a rails web, and used form object to separate the validation logics per form. I had to find_referral_code twice in order to store the user_id of referrer. I wonder how I can improve ...
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1answer
53 views

Check if a String is a valid Double

For a class, I need to ask the user for a double. To verify that the number can be safely passed to Double.parseDouble, I wrote ...
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3answers
72 views

Userform that calculates gas mileage

I created a project for a programming class that asks you to make a userform in Visual Studio that calculates mileage, given the user inputs of gallons of gas consumed and distance traveled. The code ...
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3answers
421 views

Checking for Roman numeral validity

I am working on a Roman numerals calculator. For an input validity test I'm using this function: ...
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0answers
60 views

Method for realtime form validation

A quick little method for validating form input with jQuery (and some built in bootstrap classes). I know the regex isn't perfect but it's close enough. Thoughts? ...
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1answer
54 views

PHP validation class using method dispatch

I wrote this validation class. I'm kinda new to the whole OO(PHP) style, so I don't know if my class is acceptable. I looked around at other people's validation classes, but most are huge (1k+ lines ...
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3answers
220 views

Extending Abstract Person Validator

I have the following code which is responsible for the validation in our app (just an example). Based on the particular tab where user can add person to the database we need to perform additional ...
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4answers
727 views

Validating Firstname and Lastname

I have written some code in Java that checks if the strings Firstname and Lastname are valid names. These are inputted by the ...
3
votes
1answer
109 views

Instantiating a kind of NumPy array

I am creating a class object which must inherit from numpy ndarrays. I perform an isinstance check and an ...
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1answer
60 views

Date validation in Java - take two

I read through and implemented the advice I received yesterday. I would, once again, really like some input on how this can be improved. e.g. encapsulation, interfaces, abstract classes etc.. Right ...
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3answers
122 views

Validate input of month/year, otherwise set it to current month/year

Is there a cleaner way of doing this? I'm using filter_input to first check for valid input, then using it again to assign the variable. Also, my condition in ...
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1answer
49 views

Validating a User via Save Method

I'm fairly new to object oriented programming here and am trying to get my head around the best way to go about creating Users and Validating them in the system. My first attempt is below and my main ...
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1answer
81 views

Date validation in Java

I'm learning Java, and would really appreciate any tips on how to improve this code. It's just a simple date validation class. ...
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1answer
77 views

Server side form validation library

Have I followed best practices for PHP development, or can this class be improved? GitHub ...
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2answers
83 views

Validation class

Can someone help me furnish my PHP validation class? I want to reduce its size and make it easier to use. ...
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2answers
174 views

TextField Validation for Teleport Feature in Game

I've implemented a teleport feature for my game and I would like some feedback on the way that I validate the user input. I am using the libGDX library. When the player clicks the Teleport Menu ...
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2answers
78 views

Verbose mailing function

I have multiple forms that send an email. As of this moment I have 3 forms that send mail and vary only by the number of inputs: One requires just an email Another requires a name and email Another ...
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5answers
274 views

Reserving seats in a movie theater

I'm writing a C program to reserve seats in a movie theater. I am validating the selection of seats: ...
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2answers
150 views

Input and Validate Dates

Question: Write a function that accepts integer values for day, month and year and returns them in a valid format. If the day is above 30, then convert it to 30. If the month is above 12 then ...
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1answer
130 views

User input function keep looping until valid filename entered

The following function is basically asking the user to input a file name for a file that the calling program is going to do something with. If the user enters an invalid file name, I want the program ...
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2answers
247 views

Reference implementation of HTML-to-JSON converter for PCG

I have opened a puzzle at Programming Puzzles and Code Golf. The question is not perceived well (yet) and one of the reasons is that no reference implementation is provided. To mitigate this ...
3
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2answers
121 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 ...
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3answers
155 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 ...
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1answer
55 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 ...
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1answer
76 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 ...
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1answer
137 views

Haskell Luhn Algorithm

Trying to get to grips with Haskell. The problem is taken from here. ...
3
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1answer
97 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 ...
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1answer
104 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 ...
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1answer
94 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 ...
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1answer
137 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? ...
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2answers
79 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 ...
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2answers
62 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 ...