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JavaScript: Upload file
...e fetch optionally with await-try-catch
let photo = document.getElementById("image-file").files[0];
let formData = new FormData();
formData.append("photo", photo);
fetch('/upload/image', {method: "POST", body: formData});
async function SavePhoto(inp)
{
let user = { name:'john', age:...
Reload django object from database
...ly easy to reload the object from the database like so:
x = X.objects.get(id=x.id)
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How to deep copy a list?
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Thanks.But I thought list() is a deep copy since id(E0) not equal to id(E0_copy). Could u explain why it happen?
– Shen
Jul 26 '13 at 7:53
15
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change type of input field with jQuery
This is supposed to change the #password input field (with id="password" ) that is of type password to a normal text field, and then fill in the text “Password”.
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How to find out what character key is pressed?
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Try:
<table>
<tr><td>Key:</td><td id="key"></td></tr>
<tr><td>Key Code:</td><td id="keyCode"></td></tr>
<tr><td>Event Code:</td><td id="eventCode"></td></tr>
</table&...
The requested resource does not support HTTP method 'GET'
...the correct answer is certainly necessary here!
– Jaxidian
Jul 15 '13 at 3:44
6
Edited answer wit...
Unique constraint on multiple columns
...e resuting table definition would be:
CREATE TABLE [dbo].[user](
[userID] [int] IDENTITY(1,1) NOT NULL,
[fcode] [int] NULL,
[scode] [int] NULL,
[dcode] [int] NULL,
[name] [nvarchar](50) NULL,
[address] [nvarchar](50) NULL,
CONSTRAINT [PK_user_1] PRIMARY KEY CLUSTERED
...
Extract a number from a string (JavaScript)
... return 'num = str.replace(/' + res[i].source + '/g, "")';
return 'no idea';
};
function update() {
$ = function(x) { return document.getElementById(x) };
var re = getre($('str').value, $('num').value);
$('re').innerHTML = 'Numex speaks: <code>' + re + '</code>';
}
<...
Best explanation for languages without null
...at every Person has a FirstName and a LastName, but only some people have MiddleNames, then I would like to say something like
class Person
private string FirstName
private Option<string> MiddleName
private string LastName
where string here is assumed to be a non-nullable type. ...
HTML-encoding lost when attribute read from input field
I’m using JavaScript to pull a value out from a hidden field and display it in a textbox. The value in the hidden field is encoded.
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