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What is Normalisation (or Normalization)?
...ata corruption.
There is a number of normalization levels from 1. normal form through 5. normal form. Each normal form describes how to get rid of some specific problem, usually related to redundancy.
Some typical normalization errors:
(1) Having more than one value in a cell. Example:
UserId |...
How do you handle multiple submit buttons in ASP.NET MVC Framework?
Is there some easy way to handle multiple submit buttons from the same form? For example:
35 Answers
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How do I drag and drop files into an application?
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Some sample code:
public partial class Form1 : Form {
public Form1() {
InitializeComponent();
this.AllowDrop = true;
this.DragEnter += new DragEventHandler(Form1_DragEnter);
this.DragDrop += new DragEventHandler(Form1_DragDrop);
}
...
Email validation using jQuery
...o Validate Email
I really don’t like to use plugins, especially when my form only has one field that needs to be validated. I use this function and call it whenever I need to validate an email form field.
function validateEmail($email) {
var emailReg = /^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/;
...
differentiate null=True, blank=True in django
...as NULL in the DB.
blank determines whether the field will be required in forms. This includes the admin and your custom forms. If blank=True then the field will not be required, whereas if it's False the field cannot be blank.
The combo of the two is so frequent because typically if you're going ...
Django: Redirect to previous page after login
... page. When clicking on the login link the user will be taken to the login form. After a successful login the user should be taken back to the page from where he clicked the login link in the first place.
I'm guessing that I have to somehow pass the url of the current page to the view that handles t...
How to set the Default Page in ASP.NET?
...ll it could be. I think the simple thing would be like Application.Run(new Form()1) :)
– Tarik
Dec 16 '09 at 8:20
@Arr...
Prefer composition over inheritance?
...
87
Another, very pragmatic reason, to prefer composition over inheritance has to do with your doma...
Create empty queryset by default in django form fields
I have this fields in form:
2 Answers
2
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Proper MIME type for OTF fonts
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87
Since Feb 2017 RFC 8081 groups all MIME types for fonts under the top level font media type. Th...