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Django dynamic model fields
...rks)
This solution is based on Entity Attribute Value data model, essentially, it uses several tables to store dynamic attributes of objects. Great parts about this solution is that it:
uses several pure and simple Django models to represent dynamic fields, which makes it simple to understand an...
Is there a way to crack the password on an Excel VBA Project?
...y best to explain how it works - please excuse my English.
The VBE will call a system function to create the password dialog box.
If user enters the right password and click OK, this function returns 1. If user enters the wrong password or click Cancel, this function returns 0.
After the dialog bo...
git command to move a folder inside another
...
Command:
$ git mv oldFolderName newFolderName
It usually works fine.
Error "bad source ..." typically indicates that after last commit there were some renames in the source directory and hence git mv cannot find the expected file.
The solution is simple - just commit before ...
How can mixed data types (int, float, char, etc) be stored in an array?
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@texasbruce also called a "tagged union". I'm using this technique too in my own language. ;)
– user529758
Sep 2 '13 at 16:50
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What is an ORM, how does it work, and how should I use one? [closed]
... case with a pseudo language:
You have a book class, you want to retrieve all the books of which the author is "Linus". Manually, you would do something like that:
book_list = new List();
sql = "SELECT book FROM library WHERE author = 'Linus'";
data = query(sql); // I over simplify ...
while (row ...
How do you turn a Mongoose document into a plain object?
...ng is that JSON.parse(JSON.encode(doc)) works and returns an object with all of the correct properties. Is there a better way to do this?
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How to loop through all the properties of a class?
...).
You don't need to specify BindingFlags.GetProperty, you use that when calling type.InvokeMember() to get the value of a property.
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Creating JS object with Object.create(null)?
...t.create(null) doesn't inherit from anything and thus has no properties at all.
In other words: A javascript object inherits from Object by default, unless you explicitly create it with null as its prototype, like: Object.create(null).
{} would instead be equivalent to Object.create(Object.prototy...
Is there any difference between “foo is None” and “foo == None”?
... Hmmm, I think your link changed, unless you were interested in how to call external functions from python
– Pat
May 4 '12 at 20:39
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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
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Here's a small kmeans that uses any of the 20-odd distances in
scipy.spatial.distance, or a user function.
Comments would be welcome (this has had only one user so far, not enough);
in particular, what are your N, dim, k, metric ?
#!/u...