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add created_at and updated_at fields to mongoose schemas
...there a way to add created_at and updated_at fields to a mongoose schema, without having to pass them in everytime new MyModel() is called?
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Django: “projects” vs “apps”
...py startproject myproduct
cd myproduct
mkdir myproduct
touch myproduct/__init__.py
touch myproduct/models.py
touch myproduct/views.py
and so on. Would it help if I said views.py doesn't have to be called views.py? Provided you can name, on the python path, a function (usually package.package.views...
When to use static vs instantiated classes
PHP is my first programming language. I can't quite wrap my head around when to use static classes vs instantiated objects.
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How do I compare two strings in Perl?
...o, or greater than the right argument.
Binary ~~ does a smartmatch between its arguments. ...
lt, le, ge, gt and cmp use the collation (sort) order specified by the current locale if a legacy use locale (but not use locale ':not_characters') is in effect. See perllocale. Do not mix these with Unicod...
Objective-C: Property / instance variable in category
...his on multiple instances and have each instance compute a distinct value, it wouldn't work.
Fortunately, the Objective-C runtime has this thing called Associated Objects that can do exactly what you're wanting:
#import <objc/runtime.h>
static void *MyClassResultKey;
@implementation MyClass...
Calculating Distance between two Latitude and Longitude GeoCoordinates
... of 3.3 miles for my calculation whereas other apps are getting 3.5 miles. It's a big difference for the calculation I'm trying to perform. Are there any good class libraries out there for calculating distance? I'm calculating it like this in C#:
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How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
...you can see in the docs here, the intended use is creating ~/.rspec and in it putting your options, such as --color.
To quickly create an ~/.rspec file with the --color option, just run:
echo '--color' >> ~/.rspec
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Eclipse hangs on loading workbench
My eclipse stops loading workbench. I tried already starting with ./eclipse --clean
22 Answers
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Create unique constraint with null columns
I have a table with this layout:
4 Answers
4
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Python timedelta in years
...'ve got timedelta from datetime module and I don't know how to convert it to years.
16 Answers
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