Questions tagged [validation]
Validation is used to check data to make sure it fits whatever required specifications are set for it.
2
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0answers
53 views
Pricing data checker script
I was recently given a task to implement a data-checker script which given an input file containing (date, last_price) values should check for 3 different kind of errors - missing values, stale values ...
3
votes
1answer
37 views
Servlet to let a user download a file
Is the code below an efficient way to get the zip file from the server? The code works fine but I'm wondering if I should throw some exceptions for the following conditions:
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1
vote
1answer
47 views
Sign-up serialization in Python [on hold]
I built a small project using Django-Rest-Framework. Please comment on the best practice style for the code below, which will make it simpler.
...
2
votes
2answers
55 views
Validating that a Java program has two equal-length arguments
I'm writing a small almost one method Java class for a job application and the advice given was to write it as though it was a piece of commercial software.
The ...
4
votes
0answers
30 views
Vuejs - input validation
I'm in a project that's currently using vue. I'm at the moment developing validations for the inputs and in a way to make them more flexible, my idea was to create an intermediate component "Group ...
5
votes
1answer
63 views
PHP program to validate phone numbers from a file
As part of job interview, I was asked to write a cli script that takes a list of phone numbers to validate from a file and as an option in the command line.
It will then produce a CSV file with three ...
5
votes
1answer
48 views
Add-in for input() with validation
What do you think about this code? Do you have some advices and remarks for me about them? I have started learning python recently.
...
5
votes
1answer
76 views
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', '...
0
votes
1answer
104 views
Chaining ConstrainableSet<T> [closed]
Based on feedback on my previous question, I made many small adjustments to the code, added more APIs and tried to follow through with delivering on the excellent advice I have received in regards to ...
4
votes
1answer
95 views
Constraining a property setter fluently
The below code is aimed at providing you the most amount of control and flexibility with control which value gets set to a property.
I Introduce to you, the ...
3
votes
2answers
55 views
POSIX shell function for asking questions
I've written a tiny function for asking questions intended for my POSIX shell scripts, where I often need user input.
The function takes 2+ arguments, where:
Is a string containing the question.
, 3....
2
votes
1answer
151 views
Filtering and Validating value in SETTER
I have been working on a side project for input filtering/Validation.
First I would like to go over my interface.
...
3
votes
1answer
39 views
checksum hash verification functions for bash scripts
just a little script, or a bit of a template of one that I used to submit an assignment.
I believe it all works fine, I just wanted to give it to other people, and get some feedback on it; maybe make ...
1
vote
2answers
45 views
2
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0answers
38 views
Validating Amazon CloudFormation templates using Rspec
I have created an open source project that uses Rspec to validate the formatting of AWS::CloudFormation::Init YAML blocks in CloudFormation templates.1
My project is here.
Some general concerns:
Is ...
1
vote
2answers
81 views
Input class in Java
I'm a newcomer to Java (I primarily do C# ) and I have to say that they have made I/O handling much more difficult than it should have been. I am accustomed to the scenario where when I need keyboard ...
3
votes
1answer
73 views
Login page using RxSwift in MVVM
I am building a simple login page which will check for username before navigating to another screen and here is how I am doing the binding now. I would like to know if I am doing it right and if I am ...
2
votes
0answers
48 views
WebAPI: Async Filtering CSV content + Json/XML Serialization
I am coding a csv file filtering api in ASP.NET Core, which takes a csv file located at a given uri (and retrieved via the query string) convert the content to a collection of records, then apply a ...
4
votes
1answer
136 views
Swedish 'Personnummer' validator
I have a small C# program that validates Swedish social security numbers ('Personnummer').
I chose to use Regex as there are many different ways it can be input.
...
7
votes
2answers
1k views
Validate IP4 address
Validate IP Address
I got this problem during an interview. And would like to get some code review. I also wrote several tests with the expected output, and they all passed as expected.
Validate ...
4
votes
0answers
40 views
Winforms MVP Validation
I have a Winforms MVP application where I need to use the ErrorProvider on the view. I have added the following methods to my presenter to allow me to show the ErrorProvider but it just doesn't feel ...
7
votes
1answer
65 views
Validating user input
I've written the below code to validate user input but I feel it's quite excessive for what seems to be a simple operation. I want to only accept non-negative integers or doubles as an input. This ...
6
votes
2answers
657 views
5
votes
1answer
98 views
Ship placement verification function for Battleship game
I wrote a server-side Battleship game simulator in nodeJs/Javascript:
A random player who begins is chosen.
Both players place their ships. Software recognizes if they are placed correctly.
One of ...
2
votes
1answer
54 views
Form validation function for React
I need to validate multiple input fields using React. I am using a simple if-else block for each input field but I would like to optimize my code and make it better. I feel there can be a better way ...
1
vote
0answers
15 views
Optimistic validation on tab change
I have a rather large UI for editing a user within a Angular application. It is split in multiple tabs and in order to reduce complexity the user cannot change the tab unless there is no validation ...
8
votes
2answers
539 views
Bash script to truncate subject line of incoming email
I'm going to put this script into production in a mail server /etc/aliases file: we have a system that receives email but the subject line must be limited to a certain size. The proposed usage in the ...
1
vote
2answers
92 views
Validation and business logic for a form for milling jobs [closed]
I have the following BLL (Business Logic Layer) class. It is the first class I have created that takes away all responsibility from the UI (where this class is instantiated/created/called) in terms of ...
5
votes
3answers
406 views
Chess move validator
I have written code for making a Chess Validator, which will validate the moves of a chess game.
There is a Main class which is taking the input from the user, about the move.
Problem Description
...
1
vote
0answers
20 views
jQuery plugin for allowing only digits to be entered in html form input
I wrote this small jQuery plugin to set some fields so that they allow only 0-9 digits to be entered.
I intended to do that by preventing user from typing, pasting or dropping non-digit content.
It ...
2
votes
0answers
49 views
Textbox validation component
My intention is to have a component that serves as a textbox wrapper and able to set the error state, error message, and allow the parent to pass a function that sets its local error as I did not see ...
1
vote
1answer
60 views
Using a form with formsets in Django
I'm learning Django and making my (technically second) project.
The project features several apps, including player_interface and manager_interface.
Here's the player_interface/models.py:
...
10
votes
7answers
1k views
Versatile string validation
I passed a technical test the other day, one part included a cheap string validation and I am wondering this can be further improved to be more versatile to requirement changes.
The requirements were ...
2
votes
1answer
203 views
A Class to validate password strength
What would be the best approach to write this class.
This class validates 3 types of passwords,
Normal
Medium
Strong
Github Link
...
2
votes
0answers
26 views
WordPress plugin for shipping calculation
I am writing a WordPress plugin that allows shipping calculation on the product page. Originally, shipping calculation is only available in the cart.
To calculate shipping costs on product page, ...
3
votes
1answer
86 views
Simple fluent library to validate text content
Before I can perform a more or less complex mappings, treatments in business objects and saving results in databases, I often need to validate contents from flat text files or excel files
All the ...
16
votes
2answers
838 views
Enforcing string validity with the C# type system
One of my biggest complaints about .NET is that there's no way to guarantee a string match a certain type in the type-system.
Note
This started as more of a proof-of-concept than a real usable ...
1
vote
1answer
66 views
Back end validation as front end validation
I am trying to use the back end validation for front end validation and this is what I got. Maybe there is a better way to do this? If someone knows please share the knowledge.
HTML:
...
2
votes
2answers
34 views
Split all images over x amount of pages with $_GET
I would like to receive some feedback on the code I am currently using to display x amount of images on my website per
...
4
votes
1answer
27 views
Compare two strings in extended memory - classic 8052
I'm looking for a simpler code that isn't resource hungry that can compare two strings stored in different locations in the extended memory of a classic 8052 (namely the AT89S52 microcontroller) to ...
2
votes
2answers
78 views
Simple form validation in javascript
Used to use Laravel's easy to use form validation class, decided to mimic it in JS. I've been learning JS for 4 days now and decided to write my first piece of real code.
I'm pretty sure its full of ...
2
votes
1answer
53 views
User form validation using a POPO
I'm trying to sketch out a stripped down generic form validation example. I started by creating Plain Old PHP Objects (referred as POPOs) for form input with some classes such as a validator and html ...
1
vote
1answer
91 views
A function to validate that an unbound form in Access has all required fields filled out
My goal in this code review is to see if i can figure out how to optimize the Validate function takes up fewer lines of code. i know there must be a way to cut it down so that it doesnt span 300 lines ...
1
vote
1answer
38 views
TypeScript 3 form validation object
Please, correct me with anything that I say in here (The actual question is below the code).
I've been quickly prototyping a project (ASP.NET Core 2.1) and haven't found the need to structure it with ...
3
votes
1answer
116 views
Date input wrapper for TextBox
Purpose
I managed to get completely nerd-sniped earlier today by a question over on SO and decided to take a stab at adapting my numeric input wrapper for TextBox...
3
votes
1answer
65 views
Temperature converter in Rust with input error handling
I started learning Rust a few hours ago with the Rust Book (2018 edition) and as part of one of the exercises decided to make a temperature converter. I wanted to make sure it handled all inputs ...
-2
votes
1answer
252 views
Simple calculator with validation [closed]
I've implemented a simple calculator in C# that takes in the left operand, the operator, and the right operand. Once the calculate button is clicked, I use four methods to validate the inputs:
1. The ...
0
votes
1answer
90 views
Assert LinkedHashMap element in jUnit test [closed]
So I have some test, maybe the given side of that test is not so important to catch the point of my confusion. I wrote
...
1
vote
0answers
41 views
Ruby - Create a bitmap editor that accepts user input to plot a matrix grid, points and lines
I recently didn't pass a take-home code test for a job interview - and one of the reasons for this was that the code was not as idiomatic as it could be.
The premise is in the title - but below ...
2
votes
1answer
58 views
Check values in datatables, with validation rules that vary according to the data source
Background
I receive dataframes from several sources (below I call these sources s1, s2 and ...
