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How to create an object for a Django model with a many to many field?
...s
class Sample(models.Model):
users = models.ManyToManyField(Users)
Now, in a shell or other code, create 2 users, create a sample object, and bulk add the users to that sample object.
Users().save()
Users().save()
# Access the through model directly
ThroughModel = Sample.users.through
use...
What is the best Battleship AI?
...ee.png
After considering all leaves of that tree that jive with what you know about the world (e.g. ships can't overlap, all hit squares must be ships, etc.) you can count how often ships occur at each unexplored position to estimate the likelihood that a ship is sitting there.
This can be visua...
How can I access and process nested objects, arrays or JSON?
...ding material
How to access arrays and objects is fundamental JavaScript knowledge and therefore it is advisable to read the MDN JavaScript Guide, especially the sections
Working with Objects
Arrays
Eloquent JavaScript - Data Structures
Accessing nested data structures
A nested data struct...
What is a C++ delegate?
...l a sad testimoney on how C++ evolves.
Only rarely is it pointed out, that now over 3 C++ standard revisions, delegates were not properly addressed. (Or the lack of language features which allow for straightforward delegate implementations.)
With the way C++11 lambda functions are defined by the sta...
Why does Date.parse give incorrect results?
...error with respect to missing time zone for date and time representations. Now date and time strings without a timezone use the host timezone offset (i.e. "local"). Confusingly, ISO 8601 date only forms are treated as UTC (even though it's not particularly clear from the spec), whereas ISO 8601 trea...
Floating elements within a div, floats outside of div. Why?
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It works, but now I'm twice as confused: is there an explanation for this or is this just how it is?
– DavidR
Jan 14 '10 at 5:02
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Should I use Java date and time classes or go with a 3rd party library like Joda Time?
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EDIT: Now that Java 8 has been released, if you can use that, do so! java.time is even cleaner than Joda Time, in my view. However, if you're stuck pre-Java-8, read on...
Max asked for the pros and cons of using Joda...
Pros:
I...
What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?
... several things that it does. Why do you assume that the OP only wants to know 10% of the answer? If all of the info is presented, each person can decide how much of it to take. But if only some info is given, then the choice was made for them. I choose to provide as much info as possible because mo...
Why is the gets function so dangerous that it should not be used?
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In order to use gets safely, you have to know exactly how many characters you will be reading, so that you can make your buffer large enough. You will only know that if you know exactly what data you will be reading.
Instead of using gets, you want to use fgets, whi...
What is Castle Windsor, and why should I care?
...lled in where you need them.
There is no new
It just happens - because it knows what needs what.
And you can write fewer defects with better designed, DRY code in a testable and repeatable way.
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