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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Checking whether a comment contains text
Is this code good for checking if the variable texto is empty or not? How would it be done with try and catch?
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Fill TextBox from ListBox on click
I have a form in a WinForms application that has a Textbox called txtSupplier, a button called btnSrchSuppliers, a label called <...
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Validate 10 digits on a few conditions
I want to write a function that validates the German tax identification number (Steuer-ID).
The identification number consists of eleven digits. The last digit is ...
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Validating with both a field validator and a form valdator
This (minimal demo) code obviously works, but I am a bit taken aback by the hoops I needed to jump through (and little to no mention in Angular (v13) documentation about the technique). I'm still ...
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Advent of Code 2020 - Day 2: validating passwords
Previous: Advent of Code 2020 - Day 1: finding 2 or 3 numbers that add up to 2020
Next: Advent of Code 2020 - Day 3: tobogganing down a slope
Problem statement
I decided to take a shot at Advent of ...
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Upload image with GD library
First of all I just started learning OOP.
My priority is to make safe code. I think my code is safe, because I use GD to make a copy of the uploaded image and I use an image proxy to make sure nobody ...
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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
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jQuery function to display an alert when submitting blank fields
I am new to jquery and implemented following function in a js file in case of error-
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Inputs equality check using jQuery without plugins
I tried creating a function to check for a match between two email fields, let's say EMAIL and CONFIRM email. I absolutely try to avoid jQuery validate. It is not worth it for a single field. For the ...
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Opening and validating an XML file
I have a section of code that repeats many lines and I am looking to refactor this code possibly so that a function can be used instead of the same lines of code each time. Below is the section of ...
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jQuery array of functions validation
I am attempting to validate a set of business rules in order for a user to successfully add to cart. The rules vary from requiting to add/decline a requested add-on to not having more then 60 items in ...
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Function to ensure that at least one choice is selected
First here is my settings object below. insight, spike and ...
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Validating input values in C#
I began studying C# 5.0 a few days ago and am trying to avoid duplicated code for validation of input values.
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Save user input in server-side database
I have created a site for practice and I have already asked a question on Stack Overflow about XSS.
Someone tell me to show your php functions on this site that i created using ...
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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 ...
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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 ...
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Prompting for grades, with confirmation if a score higher than 100 is entered
This is an exercise from my computer programming class. This program reads in student scores from the user (input) and displays the total points earned along with a grade. I am tasked with modifying ...
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Validation function using both for-loops and indexes at the same time [closed]
This function iterates through a open dialog box that has 4 values in it all optional except for aircraft1, aircraft2, warning_or_alert.
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Javascript to PHP email validation? [closed]
So I'm working on an application where Javascript will first validate the email using a regex and then once sent to PHP, PHP will verify the user did not modify any of the javascript and validate the ...
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Validate Search Binary Tree [closed]
I was looking to this exercise: Is Valid Binary Search Tree
I tried to do the exercise by myself without looking to the solution and my code is "much simpler" than the code I found at the ...
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An own approach to Angularjs validation
Introduction
So i am building a SPA with AngularJS. The application provides a large number of <input> elements and can be seen as a huge form.
However, i ...
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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 ...
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Which email detection regex is better? [closed]
Here I have 2 email validation regexps, which one is better and why?
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Check if a variable is one of a set of valid strings [closed]
We need to check if a given variable is either "get" or "post". If it's neither then I should throw an error.
My teammate and I ...
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