大约有 19,000 项符合查询结果（耗时：0.0183秒） [XML]
is not JSON serializable
...t_queryset() and replace them with dicts using model_to_dict:
from django.forms.models import model_to_dict
data = self.get_queryset()
for item in data:
item['product'] = model_to_dict(item['product'])
return HttpResponse(json.simplejson.dumps(data), mimetype="application/json")
Hope that h...
How can I upload files asynchronously?
...ugins and after some research I came up with the solution.
The HTML:
<form enctype="multipart/form-data">
<input name="file" type="file" />
<input type="button" value="Upload" />
</form>
<progress></progress>
First, you can do some validation if you wa...
COALESCE Function in TSQL
... of the arguments to COALESCE must be a typed NULL' Source: sql-server-performance.com/2007/…
– maqk
Sep 24 '13 at 10:52
...
How to initialise memory with new operator in C++?
... initializes that object as follows:
...
If the new-initializer is of the form (), the item is value-initialized (8.5);
and does not restrict the types for which this is allowed, whereas the (expression-list) form is explicitly restricted by further rules in the same section such that it does not...
String representation of an Enum
...ivate readonly int value;
public static readonly AuthenticationMethod FORMS = new AuthenticationMethod (1, "FORMS");
public static readonly AuthenticationMethod WINDOWSAUTHENTICATION = new AuthenticationMethod (2, "WINDOWS");
public static readonly AuthenticationMethod SINGLESIGNON = ne...
How to colorize diff on the command line?
...
Indeed. In Zsh, a command of the form =(...) is replaced with the name of a file containing its output.
– Johnsyweb
May 5 '15 at 23:07
...
How to write “Html.BeginForm” in Razor
...
The following code works fine:
@using (Html.BeginForm("Upload", "Upload", FormMethod.Post,
new { enctype = "multipart/form-data" }))
{
@Html.ValidationSummary(true)
<fieldset>
Select a file <input type="file" n...
How to get form field's id in Django?
...
This doesn't work for every form field.
For instance {{ form.address.auto_id }} works while {{ form.address.auto_name }} will not.
However you can use {{ form.address.html_name }} to get the equivalent answer.
Here are the docs
...
How to change row color in datagridview?
...n't have to traverse every row, only those that get painted (so it will perform much better on large amount of data:
Attach to the event
this.dataGridView1.RowPrePaint
+= new System.Windows.Forms.DataGridViewRowPrePaintEventHandler(
this.dataGridView1_RowPrePaint);
The event code
...
Convert Object to JSON string
...
Convert JavaScript object to json data
$("form").submit(function(event){
event.preventDefault();
var formData = $("form").serializeArray(); // Create array of object
var jsonConvertedData = JSON.stringify(formData); // Convert to json
consol.log(jsonConverte...