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Why is iterating through a large Django QuerySet consuming massive amounts of memory?
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Small improvements now possible since post. Paginator now has a page_range property to avoid boilerplate. If in search of minimal memory overhead, you can use object_list.iterator() which will not populate the queryset cache. prefetch_relat...
What is setup.py?
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I would appreciate if you share your knowledge on how to create or handle this modules? For example, how to create a basic module, or how to test a script on ./mymodule/bin which imports from ./mymodule/libs/
– Paulo Oliveira
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Proper use of beginBackgroundTaskWithExpirationHandler
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I've now provided this as a github project: github.com/mattneub/BackgroundTaskOperation
– matt
May 3 '19 at 19:25
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How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
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conda-env now does this automatically (if pip was installed with conda).
You can see how this works by using the export tool used for migrating an environment:
conda env export -n <env-name> > environment.yml
The file will...
JSON serialization of Google App Engine models
...([(p, unicode(getattr(self, p))) for p in self.properties()])
SimpleJSON now works properly:
class Photo(DictModel):
filename = db.StringProperty()
title = db.StringProperty()
description = db.StringProperty(multiline=True)
date_taken = db.DateTimeProperty()
date_uploaded = db.Date...
Days between two dates? [duplicate]
...ee how many full days have passed between two dates?
Here's what I'm doing now.
4 Answers
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MVC 3: How to render a view without its layout page when loaded via ajax?
...SP.NET 5 there is no Request variable available anymore. You can access it now with Context.Request
Also there is no IsAjaxRequest() Method anymore, you have to write it by yourself, for example in Extensions\HttpRequestExtensions.cs
using System;
using Microsoft.AspNetCore.Http;
namespace Micros...
When to use NSInteger vs. int
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You usually want to use NSInteger when you don't know what kind of processor architecture your code might run on, so you may for some reason want the largest possible integer type, which on 32 bit systems is just an int, while on a 64-bit system it's a long.
I'd stick with...
What is the correct way to create a single-instance WPF application?
...s, it
brings on a lot of overhead, and I wanted something cleaner.
Knowing that I could use a mutex for this (but never having done it
before) I set out to cut down my code and simplify my life.
In the class of my application main I created a static named Mutex:
static class Program
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ASP.NET MVC Razor pass model to layout
...ou mean to use RenderAction from the layout? (I'm just looking at it right now)
– eglasius
Apr 11 '11 at 23:11
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