大约有 7,570 项符合查询结果（耗时：0.0166秒） [XML]
Unique fields that allow nulls in Django
...com/ticket/9039
The issue here is that the normalized "blank" value for a form CharField is an empty string, not None. So if you leave the field blank, you get an empty string, not NULL, stored in the DB. Empty strings are equal to empty strings for uniqueness checks, under both Django and databas...
Proper way to use AJAX Post in jquery to pass model from strongly typed MVC3 view
...1) Query String:
$.ajax({
url: '/en/Home/Check',
data: $('#form').serialize(),
type: 'POST',
});
Data here is a string.
"Address1=blah&Address2=blah&City=blah&State=blah&ZipCode=blah&Country=blah"
2) Object Array:
$.ajax({
url: '/en/Home/Check'...
Send file using POST from a Python script
...
"files": {
"report.xls": "<censored...binary...data>"
},
"form": {},
"url": "http://httpbin.org/post",
"args": {},
"headers": {
"Content-Length": "3196",
"Accept-Encoding": "identity, deflate, compress, gzip",
"Accept": "*/*",
"User-Agent": "python-requests/0.8...
How to check all checkboxes using jQuery?
...hange DOM properties such as
the checked, selected, or disabled state of form elements, use the
.prop() method
You have same id for checkboxes and its should be unique. You better use some class with the dependent checkboxes so that it does not include the checkboxes you do not want. As $('in...
Override devise registrations controller
I have added a field to the sign-up form that is based on a different model, see How do I use nested attributes with the devise model for the gory details. This part is working fine.
...
using href links inside tag
...
<select name="forma" onchange="location = this.value;">
<option value="Home.php">Home</option>
<option value="Contact.php">Contact</option>
<option value="Sitemap.php">Sitemap</option>
</select&...
What is the opposite of evt.preventDefault();
...ed here for a direct solution in case this isn't closed as duplicate):
$('form').submit( function(ev) {
ev.preventDefault();
//later you decide you want to submit
$(this).unbind('submit').submit()
});
share
...
A non well formed numeric value encountered
I have a form that passes two dates (start and finish) to a PHP script that will add those to a DB. I am having problems validating this. I keep getting the following errors
...
In Go's http package, how do I get the query string on a POST request?
...ters.
If what you're looking for is the POST data as submitted by an HTML form, then this is (usually) a key-value pair in the request body. You're correct in your answer that you can call ParseForm() and then use req.Form field to get the map of key-value pairs, but you can also call FormValue(key...
Rails select helper - Default selected value, how?
... options_for_select is better way. It is good for any situation, good for form edit too.
– Adriano Resende
Jun 25 '15 at 13:07
...