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How do you serialize a model instance in Django?
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You can easily use a list to wrap the required object and that's all what django serializers need to correctly serialize it, eg.:
from django.core import serializers
# assuming obj is a model instance
serialized_obj = serializers.serialize('json', [ obj, ])
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How is an HTTP POST request made in node.js?
... this were just a small part of the application, you would
// want to handle this differently, maybe throwing an exception
// for the caller to handle. Since the file is absolutely essential
// to the program's functionality, we're going to exit with a fatal
// error instead.
con...
What exactly is node.js used for? [closed]
...s uses an
event-driven, non-blocking I/O model that makes it lightweight and
efficient, perfect for data-intensive real-time applications that run
across distributed devices.
Event-driven means that the server only reacts when an event occurs. This allow us to create high performance, highly...
SQL Server: Database stuck in “Restoring” state
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You need to use the WITH RECOVERY option, with your database RESTORE command, to bring your database online as part of the restore process.
This is of course only if you do not intend to restore any transaction log backups, i.e. you only wish to restore a database backup and then be able to acces...
How are multi-dimensional arrays formatted in memory?
...array1 to this function:
void function1(int **a);
you'll get a warning (and the app will fail to access the array correctly):
warning: passing argument 1 of ‘function1’ from incompatible pointer type
Because a 2D array is not the same as int **. The automatic decaying of an array into a ...
Declaring functions in JavaScript [duplicate]
...cally this syntax may mean the same for declaring functions both ways
(I stand incorrect on my last statement. I read up on a diff post why they are technically diff and I'll add in the end, why)
; but the way they play a role in evolving patterns is massive. I would highly recommend "Javascript: Th...
How do I make a textbox that only accepts numbers?
...e past I've done this kind of validation by overloading the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more general solution that could work with perhaps a regular expression, or depend on the values of othe...
Using vagrant to run virtual machines with desktop environment
...l machines, running on VirtualBox. We would like to move one step further, and use the capabilities of Vagrant to have the description of the machine in a text file and then be able to "raise" that machine based on that text file. Combined to puppet, this would solve us the problem that everyone hav...
What is Prefix.pch file in Xcode?
...d to make compiling faster. Rather than parsing the same header files over and over, these files get parsed once, ahead of time.
Xcode
In Xcode, you add imports of the header files you want in a “prefix header,” and enabling Precompile Prefix Header so they get precompiled. But the idea behind a...
window.onload vs $(document).ready()
What are the differences between JavaScript's window.onload and jQuery's $(document).ready() method?
16 Answers
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