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

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9
votes
4answers
966 views

E-mail testing code

I made some code to check that e-mails given apply to the right format, and I'm sure there must be a better way to do this. ...
9
votes
5answers
377 views

Birthday validity-checking

I have written code to check any birthday input's validity. As I am new in programming, and after going through several debugging steps, the code became very ugly. ...
0
votes
0answers
33 views

jQuery form validator

I am new to the world of jQuery plugins, I don't know why I didn't get into this sooner. What I have a working validator that validates bootstrap styled forms. What I have discovered is that the way ...
12
votes
5answers
998 views

Credit card validation

I started following Harvard's CS50 (Introduction to Computer Science) on edX, and as part of their Hacker edition set 1 was the following assignment: I am supposed to write a program (in C), that ...
8
votes
3answers
86 views

Simple Google ReCaptcha validation

Linked: Google reCAPTCHA Validator: Iteration II I have also created a simple Google Recaptcha Validation class to handle verification. I used some code from CodingFusion's post Google New ...
6
votes
2answers
60 views

Google reCAPTCHA Validator: Iteration II

This is a follow-up to the other post I made (less than an hour ago) about my Google reCAPTCHA C# implementation: Google reCAPTCHA Validator This adds support for error messages, so that you can ...
3
votes
1answer
30 views

Validate profile completeness

This function checks these 6 fields for a user profile to determine if they have "completed" their profile. This just feels like it could be done better, but I can't figure how. ...
11
votes
2answers
289 views

Verify that a path doesn't contain . or .. or // and doesn't end with /

This is actually a function from the first commit of the git source code, for the purpose stated in the title: ...
0
votes
1answer
32 views

jQuery .validate() plugin, additional method to validate numbers

A while ago I've written a custom validation method for .validate(). It is a local validation plugin, with some limited validation. I was required to write a validation method with the following ...
2
votes
2answers
37 views

Model object for form validation

In order to perform form validation, I have created a custom object: ...
5
votes
0answers
52 views

Calculations 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. Building from the lessons ...
0
votes
0answers
19 views

Generic Razor view Model property validation for Form

I 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 ...
3
votes
2answers
134 views

JavaScript form validation

Is this a "good" method of form validation? ...
5
votes
2answers
47 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 ...
0
votes
1answer
33 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 ...
4
votes
1answer
47 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 ...
2
votes
1answer
34 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
votes
1answer
102 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
votes
2answers
160 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 ...
1
vote
1answer
34 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 ...
6
votes
1answer
87 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 ...
7
votes
1answer
108 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 ...
3
votes
2answers
96 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: ...
3
votes
1answer
64 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, ...
3
votes
2answers
47 views

Check whether all textboxes are filled

I'm doing some simple validations using jQuery to check if all textboxes are filled. ...
2
votes
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 ...
2
votes
1answer
45 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 ...
2
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 ...
4
votes
1answer
54 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 ...
5
votes
3answers
81 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 ...
6
votes
3answers
479 views

Checking for Roman numeral validity

I am working on a Roman numerals calculator. For an input validity test I'm using this function: ...
0
votes
0answers
77 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? ...
3
votes
1answer
55 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 ...
5
votes
3answers
234 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 ...
3
votes
4answers
833 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
117 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 ...
2
votes
1answer
64 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 ...
4
votes
3answers
153 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 ...
3
votes
1answer
50 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 ...
2
votes
1answer
87 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. ...
1
vote
1answer
82 views

Server side form validation library

Have I followed best practices for PHP development, or can this class be improved? GitHub ...
2
votes
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. ...
4
votes
2answers
181 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 ...
2
votes
2answers
82 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 ...
7
votes
5answers
313 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: ...
0
votes
2answers
312 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 ...
2
votes
1answer
153 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 ...
8
votes
2answers
358 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
votes
2answers
150 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 ...