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How exactly do Django content types work?
...en models. Blah blah, let's dive into some code and see what I mean.
# ourapp.models
from django.conf import settings
from django.db import models
# Assign the User model in case it has been "swapped"
User = settings.AUTH_USER_MODEL
# Create your models here
class Post(models.Model):
author = m...
What is the length of the access_token in Facebook OAuth2?
...
Yes, I got 284 characters in production app so I got database error due to the column is varchar(255)...
– Yuki Matsukura
Mar 26 '15 at 2:15
...
MSSQL Error 'The underlying provider failed on Open'
...n I first found it. My issue (as pointed out in this answer) was that the AppPool user for the CRM 2011 Plugin context had no write access to the Database I'd set up. When I added the user to SQL, the Plugin worked like a charm.
– Mike_Matthews_II
Mar 8 '13 a...
Execute method on startup in Spring
Is there any Spring 3 feature to execute some methods when the application starts for the first time? I know that I can do the trick of setting a method with @Scheduled annotation and it executes just after the startup, but then it will execute periodically.
...
What languages are Windows, Mac OS X and Linux written in?
... PnP subsystem is Embedded C++)
Linux: Most things are in C, many userland apps are in Python, KDE is all C++
All kernels will use some assembly code as well.
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两大桌面系统之战：Yosemite vs Windows 10 - 操作系统(内核) - 清泛网 - ...
...一次就可以在所有设备上使用。
相比之下，iOS App Store 和 Mac App Store 则是两个完全没有关联的平台。从用户的角度来说，在 OS X 上运行 iOS 应用也许没有什么意义。在 iOS 上运行 OS X 应用，或者是在 Mac 上玩 iOS 游戏，有...
Why is Thread.Sleep so harmful
...ep is pointless for timing.
Threads are a limited resource, they take approximately 200,000 cycles
to create and about 100,000 cycles to destroy. By default they
reserve 1 megabyte of virtual memory for its stack and use 2,000-8,000
cycles for each context switch. This makes any waiting ...
Expand Python Search Path to Other Source
... directories to search for imported modules.
In your program, use sys.path.append('/path/to/search') to add the names of directories you want Python to search for imported modules. sys.path is just the list of directories Python searches every time it gets asked to import a module, and you can alter...
“Auto Layout still required after executing -layoutSubviews” with UITableViewCell subclass
Using XCode 4.5 and iOS 6, I'm developing an app with a simple table view with custom cells. I've done this a hundred times in iOS 5 and below, but for some reason the new autoLayout system is giving me a lot of trouble.
...
How can I share code between Node.js and the browser?
I am creating a small application with a JavaScript client (run in the browser) and a Node.js server, communicating using WebSocket.
...