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There is no ViewData item of type 'IEnumerable' that has the key 'xxx'
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Retrieve list of tasks in a queue in Celery
... the queue.
You should look here:
Celery Guide - Inspecting Workers
Basically this:
from celery.app.control import Inspect
# Inspect all nodes.
i = Inspect()
# Show the items that have an ETA or are scheduled for later processing
i.scheduled()
# Show tasks that are currently active.
i.active()...
Running Python code in Vim
...th python
Explanation:
autocmd: command that Vim will execute automatically on {event} (here: if you open a python file)
[i]map: creates a keyboard shortcut to <F9> in insert/normal mode
<buffer>: If multiple buffers/files are open: just use the active one
<esc>: leaving insert...
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
...4.14 for debian)
– getitstarted
Mar 10 '13 at 0:57
4
with python 3 is: pip install mysqlclient
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Is it possible to rotate a drawable in the xml description?
..., any clue?
– firetrap
Oct 7 '14 at 10:08
1
There was a bug in Android M affecting this exact rot...
How can I determine whether a 2D Point is within a Polygon?
...integers. Many systems use integers for UI painting (pixels are ints after all), but macOS for example uses float for everything. macOS only knows points and a point can translate to one pixel, but depending on monitor resolution, it might translate to something else. On retina screens half a point ...
How can I auto-elevate my batch file, so that it requests from UAC administrator rights if required?
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You can have the script call itself with psexec's -h option to run elevated.
I'm not sure how you would detect if it's already running as elevated or not... maybe re-try with elevated perms only if there's an Access Denied error?
Or, you could simp...
Setup a Git server with msysgit on Windows [closed]
.../web/20100207010332/http://www.timdavis.com.au/…
– alldayremix
Dec 1 '12 at 5:01
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show 4 more comments
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How do I send a cross-domain POST request via JavaScript?
...e.php (using PHP as an example). Note: you only need to set Access-Control-Allow-Origin for NON OPTIONS requests - this example always sets all headers for a smaller code snippet.
In postHere.php setup the following:
switch ($_SERVER['HTTP_ORIGIN']) {
case 'http://from.com': case 'https://fro...
How to make a promise from setTimeout
...irefox and Chrome; IE11+, presumably Edge; not IE8 or IE9, no idea about IE10):
function later(delay, value) {
return new Promise(function(resolve) {
setTimeout(resolve, delay, value); // Note the order, `delay` before `value`
/* Or for outdated browsers that don't support doing...