Questions tagged [validation]
Validation is used to check data to make sure it fits whatever required specifications are set for it.
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NMEA 0183 checksum validation
I was hoping for a bit of advice on cleaning a couple of areas of this code up. In particular, the hex-to-binary section, the checksum is in hex, and the rest is in ASCII. I tried for a good day to do ...
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Sudoku challenge driver program
For my planned Sudoku with Handicap challenge over at codegolf.SE, I need a driver program. I've decided to write it in Python, for learning purposes. Since I've got no Python experience, I thought I ...
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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 ...
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Validating that all open/close parentheses are correctly matched
It returns true for:
a*(b+c)
()()
(())
((!!(123(x))))
and returns false for:
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Asynchronous IBAN API with validation
I am working on an iban api which is about saving the iban of some members after (iban validation) in a database. The code is split between Domain (entities, behaviour for iban validation), Database ...
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User input validation that might be unbreakable for C++
I am new to programming and have been having a lot of trouble with user input validation. Everything I found online I could break and I finally put this function together that appears to be ...
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Prompting for a positive integer and validating user input in Java
I'm just starting out with Java, and trying to make a method to get a positive integer input from the console. My currently working implementation is this:
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JS validation and submission with AJAX
I've got an assignment to do pure JS validation as well as submit with AJAX. Here is the code I've got so far. I'm wondering if I can do away with the whole "reason" bit. That was because it was ...
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Simplifying this form validation script
Can anyone please help me to simplify this form validation script? It works great but I was just wondering if I can get some help to make it simpler. Your opinion on the approach I used below is ...
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Rails validating API parameters
I wanted to keep my API request logic separate form the controller logic. I therefore make use of a separate model (EmailChecker) that creates an instance of this ...
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Angular control for inputting latitude and longitude with validation
I've built a custom control to handle user input in a human-readable format, but save in a machine-format.
It needs to have input validation, and to convert UI-input to a base format.
I'm interested ...
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Validating a StreamingPin
Recently I was thinking about the keyless entry on my car and how simple it has to be, so I wrote a C# programme to validate a StreamingPin, that is, a pin that is ...
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Checking input and email field
I've written this as part of my contact form on my website. It checks to see if required inputs are empty, if so adds a red warning color and text. It also checks the email field for a properly ...
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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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Agnostic means of identifying a member
I'm attempting to provide an agnostic means of identifying a member. I need a nickname, a guid, and one of ...
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Using Rails concerns for validation in models
This is my first Rails project. I have read about concerns which are a great tool, but I am confused about how I should redesign my models.
Some models have similar fields, but the validations are ...
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Validating ISBNs
I'm just looking for a cleaner way. Obviously I could store a variable for some of the int parts. Personally, I think the one-liner looks better and everyone's ...
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Using/storing server-side data on the client side
I've a slot booking script which is as follows:
My Current Algorithm
A calendar is shown to the user
The user clicks on a date
I make an ajax call to determine if at least 1 slot is booked on the
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Simple function to create Tokens from user input
I am new to programming in Rust and as an exercise I was making a simple Lottery checker program.
It has a simple menu, the user enters a number for the corresponding option such as 'Add a line', '...
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Checking for many alertable conditions before saving customer information
What's the best way to refactor this code? The method does a lot of checking before showing an alert. And the method is too long for my taste.
I'm thinking of extracting the checkers into their own ...
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MVC Model validation callback
I have made a simple MVC framework of my own for my personal website to learn a thing or two about how this whole thing even works. I think I've got the idea, but there's one thing I'm not sure about.
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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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Input validation for text boxes in a Form
In a Win Form I'm doing initial validation in the Form. So before saving data, I want to validate whether all the required fields are filled (Text Boxes) by the user. There are about 18 such Text ...
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Password strength checker
I would like to receive feedback about my code. Is there any better way to shorten the code or is it fine?
Demo
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Most efficient way to validate multiple textboxes against a tolerance value
I have a series of text boxes in a table to gather input as below:
The user will input a target and actual value for each measurement point they require. I would then like to validate the actual ...
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Validating a tab-delimited string
This code checks if string has correct format for passing to struct. Correct format needs to be [123456789'\t'First Name'\t'Last Name'\t'City]. I didn't know how to ...
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Simple form validation script
This is a simple form validation script.
I'd like to:
improve the jQuery validation
simplify the jQuery code
Questions:
Should I be exporting pure JS validation to avoid potential conflicts with ...
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Validating username fields and showing CAPTCHA
I'm new to coding, and especially to OOP PHP. I'll highly appreciate if you expert programmers could review following code and give me your opinion to make it better. Also, how you see this code, is ...
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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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Electrical engine calculations
The ElectricalEngine class responds to the horsepower message. Because efficiency is calculated in percent a programmer can ...
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Matching square brackets
I wrote this program to match square brackets as part of a Brainf**k interpreter. I'm aware that it gets caught in an infinite loop if brackets are entered like this: ...
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Chess Dictionary Validator (Python) (Automate The Boring Stuff)
This is an exercise in the Automate The Boring Stuff book. I am supposed to create a function that takes a dictionary argument that represents a chess board (ex: {'1h': 'bking', '6c': 'wqueen', '2g': ...
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Address form validation
I need help with this code. How can I make it shorter? How can I create an array with the names, for example, errors, and modify code without so many If statements? ...
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Validating a credit card number using Luhn's algorithm
I implemented Luhn's algorithm explained on Wikipedia to validate a credit card number, in Bash.
Does this code follow good practices?
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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 ...
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32-bit factorial calculator in x86 NASM assembly
This is how it handles input:
if negative, terminate program
if 0-2, display input without calculating
if greater than or equal to 3, calculate and display result
I have also used some macros from ...
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Validating password rules
The following method is designed to return true if it passes all of the rules for a password. Does anyone see a way to improve it? Performance improvements are ...
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Apple receipt validator
I'm working on a solution for validating Apple receipts. Here's the repository as whole. I based it mostly on the gdx-pay-server library. In my implementation, one of the classes I want to improve is <...
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Asking the user to input a proper email address
The purpose of this code is to ask the user to input an email address but it must contain "@" and ".co". The code works but it is too long so I would like to know if there is any way to shorten it ...
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Custom exception for string that is too long
This is my first time working with Java exceptions. I have made a program that works to specifications, but I am wondering if there is anything I've done which is unconventional or not recommended. ...
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Simple Java password rule enforcing
rule 1: length must be between 8 and 50 chars.
rule 2: at least 3 of the 4 following rules:
--------2a: at least one upper case
--------2b: at least one lower case
--------2c: at least one numeral
----...
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ISBN validation with Hibernate Validator
I've written a ISBN-validating annotation. It is to be used in conjunction with Hibernate Validator.
I'm pretty satisfied with this code as it works as expected, but I've had to make a design choice ...
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Validation and Form classes
I have written Validation and Form classes in PHP.
Validation class allow you to define the ...
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Validating a user
This works well, but can anybody see any faults in this code? If so, could you suggest ways in which I can fix it?
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Validating input variables
I have written the following JavaScript code and want to ask if it is written as per best practices. Please recommend any changes to be made in the code. The code is taking a few variables as input ...
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Validation for registration password
Could someone tell me if this is a bad idea for coding my validation for a password and it is bad? This is for registration for my site. Could you please tell me why and how you would go about it (I ...
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Checking for valid date range in Rails
I am getting a date range from form inputs - the "from" month, day, and year, and the "to" month, day, and year, and then running a report on data for within that date range. I want to first check ...
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