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“Too many values to unpack” Exception
...ame.models.modelname" or "projectname.appname.models.modelname" in the AUTH_PROFILE_MODULE setting will cause Django to blow up with the dreaded "too many values to unpack" error, so make sure you've put "appname.modelname", and nothing else, in the value of AUTH_PROFILE_MODULE.
If the OP had copie...
How to create a video from images with FFmpeg?
...utput framerate
ffmpeg -r 1/5 -i img%03d.png -c:v libx264 -vf fps=25 -pix_fmt yuv420p out.mp4
Alternatively the format video filter can be added to the filter chain to replace -pix_fmt yuv420p like "fps=25,format=yuv420p". The advantage of this method is that you can control which filter goes...
Fixed size queue which automatically dequeues old values upon new enques
...T> : IReadOnlyCollection<T>
{
private readonly Queue<T> _queue = new Queue<T>();
private readonly object _lock = new object();
public int Count { get { lock (_lock) { return _queue.Count; } } }
public int Limit { get; }
public FixedSizedQueue(int limit)
...
PDO Prepared Inserts multiple rows in single query
...
$pdo->beginTransaction(); // also helps speed up your inserts.
$insert_values = array();
foreach($data as $d){
$question_marks[] = '(' . placeholders('?', sizeof($d)) . ')';
$insert_values = array_merge($insert_values, array_values($d));
}
$sql = "INSERT INTO table (" . implode(",", $...
Submitting a multidimensional array via POST with php
...
On submitting, you would get an array as if created like this:
$_POST['topdiameter'] = array( 'first value', 'second value' );
$_POST['bottomdiameter'] = array( 'first value', 'second value' );
However, I would suggest changing your form names to this format instead:
name="diameters[0]...
What does the “__block” keyword mean?
What exactly does the __block keyword in Objective-C mean? I know it allows you to modify variables within blocks, but I'd like to know...
...
Find current directory and file's directory [duplicate]
...ory a Python file is contained in, write this in that file:
import os
dir_path = os.path.dirname(os.path.realpath(__file__))
(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relativ...
What is the worst gotcha in C# or .NET? [closed]
...efixes for your private fields (there are others, but this is a good one): _myVar, m_myVar
– jrista
Jun 26 '09 at 8:01
205
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How do I get list of methods in a Python class?
...>> inspect.getmembers(OptionParser, predicate=inspect.ismethod)
[([('__init__', <unbound method OptionParser.__init__>),
...
('add_option', <unbound method OptionParser.add_option>),
('add_option_group', <unbound method OptionParser.add_option_group>),
('add_options', <...
Where is my Django installation?
...go
<module 'django' from '/usr/local/lib/python2.6/dist-packages/django/__init__.pyc'>
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