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form serialize javascript (no framework)
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Here is pure JavaScript approach:
var form = document.querySelector('form');
var data = new FormData(form);
var req = new XMLHttpRequest();
req.send(data);
Though it seems to be working only for POST requests.
https://developer.mozilla.org/en-US/docs/Web/API/FormData
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How to get all Errors from ASP.Net MVC modelState?
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Using LINQ:
IEnumerable<ModelError> allErrors = ModelState.Values.SelectMany(v => v.Errors);
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How can I select and upload multiple files with HTML and PHP, using HTTP POST?
... </body>
</html>
Here's what it looks like in Chrome after selecting 2 items in the file dialog:
And here's what it looks like after clicking the "Upload" button.
This is just a sketch of a fully working answer. See PHP Manual: Handling file uploads for more information on prop...
How to test an SQL Update statement before running it?
...yway) you can also do a sanity check which rows are affected by running a select using the same WHERE clause as the UPDATE.
So if you UPDATE is
UPDATE foo
SET bar = 42
WHERE col1 = 1
AND col2 = 'foobar';
The following will show you which rows will be updated:
SELECT *
FROM foo
WHERE col1 ...
How to set selected item of Spinner by value, not by position?
I have a update view, where I need to preselect the value stored in database for a Spinner.
25 Answers
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jQuery to serialize only elements within a div
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Wouldn't $("#divId").find("select, textarea, input").serialize(); yeild better performance? I imagine the above could get slow if the div had lots of elements, like a table with several rows/columns.
– David Murdoch
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Convert Unicode to ASCII without errors in Python
...ote that "windows-1252" is something I used as an example. I got this from chardet and it had 0.5 confidence that it is right! (well, as given with a 1-character-length string, what do you expect) You should change that to the encoding of the byte string returned from .urlopen().read() to what appli...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
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This function cannot deal with supplementary characters as they cannot be represented in UCS-2.
– Artefacto
Nov 18 '11 at 10:45
3
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How to find all duplicate from a List? [duplicate]
...d then filter out any of the enumerables that have a Count of <=1, then select their keys to get back down to a single enumerable:
var duplicateKeys = list.GroupBy(x => x)
.Where(group => group.Count() > 1)
.Select(group => group.Key);
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How to get a list of column names on Sqlite3 database?
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but you can't select from that table. It's just plain annoying. I'm trying something like this... but it don't work create temporary table TmpCols (cid integer, name text, type text, nn bit, dflt_value, pk bit); .mode insert TmpCols .out...