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How to pull a random record using Django's ORM?
...rns an unlimited number of random models. Because of this I've included a bit of usage code to show how to get just a single model.
from django.db import models
class RandomManager(models.Manager):
def get_query_set(self):
return super(RandomManager, self).get_query_set().order_by('?'...
Can someone explain Microsoft Unity?
... is just an IoC "container". Google StructureMap and try it out instead. A bit easier to grok, I think, when the IoC stuff is new to you.
Basically, if you understand IoC then you understand that what you're doing is inverting the control for when an object gets created.
Without IoC:
public cl...
Why can't I use the 'await' operator within the body of a lock statement?
...e a lock is a recipe for producing deadlocks.
I'm sure you can see why: arbitrary code runs between the time the await returns control to the caller and the method resumes. That arbitrary code could be taking out locks that produce lock ordering inversions, and therefore deadlocks.
Worse, the code...
Clojure: reduce vs. apply
...y to apply a function that expects a fixed number of arguments (2) to an arbitrarily long list of arguments.
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What should I name a table that maps two tables together? [closed]
... table is called a join/corrollary/cross reference table. I've kept the habit of using _XREF at the end to make the relationship obvious.
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Why does modern Perl avoid UTF-8 by default?
.... ????
If there’s one thing I know about Perl, it is what its Unicode bits do and do not do, and this thing I promise you: “ ̲ᴛ̲ʜ̲ᴇ̲ʀ̲ᴇ̲ ̲ɪ̲s̲ ̲ɴ̲ᴏ̲ ̲U̲ɴ̲ɪ̲ᴄ̲ᴏ̲ᴅ̲ᴇ̲ ̲ᴍ̲ᴀ̲ɢ̲ɪ̲ᴄ̲ ̲ʙ̲ᴜ̲ʟ̲ʟ̲ᴇ̲ᴛ̲ ̲ ” ????
You cannot ...
Simpler way to create dictionary of separate variables?
...roblem will help illustrate why this question is useful, and it may give a bit more insight into how to answer it. I wrote a small function to do a quick inline head check on various variables in my code. Basically, it lists the variable name, data type, size, and other attributes, so I can quickl...
List of foreign keys and the tables they reference
...
@roshan Now that you mention it, the column order feels a bit odd :) Obviously five years ago I wouldn't have thought that this answer would be viewed by so many!
– Vincent Malgrat
May 22 '14 at 8:03
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How to autosize a textarea using Prototype?
...00%;
}
.textarea-container > div {
padding-bottom: 1.5em; /* A bit more than one additional line of text. */
visibility: hidden;
}
<div class="textarea-container">
<textarea id="textArea"></textarea>
<div id="textCopy"></div>
</div>
...
Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
... explicit: your code clearly indicates your intentions. It might also be a bit more efficient, but that's only a secondary advantage.
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