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Django: How to manage development and production settings?
...ings if necessary (by adding the modifications below that stanza).
I then select which settings files to use by linking it in to settings.py:
ln -s settings.development.py settings.py
share
|
imp...
How to achieve function overloading in C?
...neric gets the overall type of the expression and then "switches" on it to select the end result expression in the list for its type:
_Generic(1, float: 2.0,
char *: "2",
int: 2,
default: get_two_object());
The above expression evaluates to 2 - the type of the ...
How to use Git for Unity3D source control?
...t we wanted our assets to be automatically synced. We now use sugarsync to selectively sync the binary assets folder. Dropbox would only sync the dropbox folder, but with sugar sync, you can arbitrarily sync folders anywhere on the hard drive which is extremely useful. We had to change our Assets di...
Push existing project into Github
...s for your existing project.
"Add New Local Repository" in repositories.
Select your existing folder. It'll ask if you want to do that, say yes.
Once done, you'll see a list of all your files, etc. Commit them.
Go to Repositories and Publish (this will create the new repo on GitHub for you, if yo...
For each row return the column name of the largest value
...s.method = "first")) %>% # or 'last'
filter(dept_rank == 1) %>%
select(-dept_rank)
# A tibble: 3 x 3
# Groups: id [3]
id dept cnt
<chr> <chr> <dbl>
1 2 V1 8.
2 3 V2 5.
3 1 V3 9.
# if you wanted to keep the original wide data f...
Object-orientation in C
...ject at runtime! You just reassign it a new vtable pointer. You can even selectively change some of the virtual functions while keeping others, creating new hybrid types. Just be careful to create a new vtable instead of modifying the global vtable, otherwise you'll accidentally affect all object...
How big is too big for a PostgreSQL table?
...what you get. Testing one table with 90 million rows may be as easy as:
select x,1 as c2,2 as c3
from generate_series(1,90000000) x;
https://wiki.postgresql.org/wiki/FAQ
Limit Value
Maximum Database Size Unlimited
Maximum Table Size 32 TB
Maximum Row Size 1.6 TB
Max...
How do I use CSS in Django?
...
Just a quick note on those Django docs - make sure you select the documents for the version of Django you're using. Things appear to have changed a lot between versions with regard to static files.
– Sam Starling
Nov 3 '10 at 11:09
...
How to serialize SqlAlchemy result to JSON?
...oded before, it will encode it as 'None'.
A recursive, possibly-circular, selective implementation
Another alternative, probably better, is to be able to specify the fields you want to expand:
def new_alchemy_encoder(revisit_self = False, fields_to_expand = []):
_visited_objs = []
class ...
How do I detect when someone shakes an iPhone?
... // Put in code here to handle shake
}
if ( [super respondsToSelector:@selector(motionEnded:withEvent:)] )
[super motionEnded:motion withEvent:event];
}
- (BOOL)canBecomeFirstResponder
{ return YES; }
@end
You can easily transform any UIView (even system views) into a view ...