The first point to keep in mind that the code must be object oriented as possible. Should be understood that must be validated both the client side and the server side. You have to know that in addition to receiving the data with expected values, still may not be safe for use in queries to … Read more
Try to move the following lines out of the OnClickListener, they should be in the onCreate method: @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_register); //… inputUsername = findViewById(R.id.inputUsername); inputEmail = findViewById(R.id.inputEmail); inputPassword = findViewById(R.id.inputPassword); inputCpassword = findViewById(R.id.inputCpassword); btnRegister = findViewById(R.id.btnRegister); btnRegister.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { validations(); } }); // … … Read more
Disclaimer: Note that the rules which define a “valid domain” constitute a moving target. The answer below deals only with the “old school” DNS rules (using exclusively ASCII characters) and does not attempt to deal with international domains (as laid out in RFC3490). Note also that there will soon be lots of new top level … Read more
C# Code for Validation protected void btnSubmitForm_Click(object sender, EventArgs e) { if(txtSome.Text.Length==0) { label.Text = “your message for Required feild!”; } else if(txt2.Text.Length==0) { label.Text = “your message for Required feild!”; } else { //write code here to insert values in database. this block of code will be executed when your all text boxes will … Read more
You need inputs on your form: <form action=”insert.php” method=”post”> Username: <input type=”text” name=”username”> Password: <input type=”password” name=”password”> Confirm Password: <input type=”password” name=”confirm”> <input type=”submit” name=”submit”> </form> Then on insert.php if (isset($_POST[‘submit’])){ $Error = 0; if (!isset($_POST[‘username’])){ $Error++; } if (!isset($_POST[‘password’])){ $Error++; } if (!isset($_POST[‘confirm’])){ $Error++; } if ($Error > 0){ echo “Error in HTML Validation”; … Read more
I think you do not know about variables in c#. Please see more about variables in this link, because all types inherit from System.Object enter link description here For example, this code maybe solve your problem, but I don’t understand for what purpose… public static class Test { public static bool UserCheck(this object a) { … Read more
Oke, I solved already. Like this: zipCodePattern = /^\d{4} ?[a-z]{2}$/i; 1 solved Regular expression Dutch postal code in Angular with html 5 pattern
When it reaches form validation, there are a few things you should keep in mind: 1. Importance of the transmitted information; 2. How reliable it needs to be; 3. How many requests you are going to have; 4. How much information your form is going to hold; In my honest opinion, I would use Javascript/Ajax … Read more
Suppose you train your random forest classifier on 70% of the data you have, then it will help your classifier to identify useful attributes or features for the random forest classifier from this training data. But there are many hyper parameters e.g. depth of a Random Forest classifier, which affects the performance of RF classifier. … Read more
Working on rails, i have text fields and text areas to receive text, but it shows the validation error “Topic cannot be empty” solved Working on rails, i have text fields and text areas to receive text, but it shows the validation error “Topic cannot be empty”
Try this: $(“input[type=textbox]”).keydown(function(){ if(/^[a-zA-Z0-9- ]*$/.test($(this).val()) == false) { alert(‘Your search string contains illegal characters.’); } if(/\s/g.test($(this).val()) { alert(“has white-space”); } if(!$(this).val().length >= 8 && !$(this).val().length <= 25) { alert(“out of range”); } }); For the fourth one you need to do it yourself because I don’t have access to your field names etc. 0 solved … Read more
PhP Login forms won’t work but registration works well, I suspect the header Location at first but seems not to be the problem solved PhP Login forms won’t work but registration works well, I suspect the header Location at first but seems not to be the problem
If you’re using an error provider and handling onvalidating, it should look like this: private void textBox1_Validating(object sender, CancelEventArgs e) { TextBox tb = sender as TextBox; if (tb.Text.Length > 0) { e.Cancel = true; errorProvider1.SetError(tb, “Please leave this textbox blank!”); } else { errorProvider1.SetError(tb, “”); } } This will prevent you clicking off the … Read more
Note: this is uses rough date validation via pure RegEx (ie. any month can have up to 31 days): [0-9]{2}(?:0[0-9]|1[0-2])(?:0[1-9]|[12][0-9]|3[01])[0-9]{5} You can test if a string matches via JavaScript like so: /[0-9]{2}(?:0[0-9]|1[0-2])(?:0[1-9]|[12][0-9]|3[01])[0-9]{5}/.test(‘82061512345’); // returns true because it is valid If you need true date validation I would do something like the following: var id1 = … Read more
PHP validating and filtering a list of international numbers so im left only with valid cellphone numbers from that country [closed] solved PHP validating and filtering a list of international numbers so im left only with valid cellphone numbers from that country [closed]