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Backwards migration with Django South
...he bare "state" number - in this case 00xx - is enough. When improving and testing a migration you can have both commands in the history: forward (no argument), backward with previous state number.
– Tomasz Gandor
Feb 1 '13 at 9:14
...
Get class name of django model
...ok._meta).
This question is quite old, but I found the following helpful (tested on Django 1.11, but might work on older...), as you may also have the same model name from multiple apps.
Assuming Book is in my_app:
print(Book._meta.object_name)
# Book
print(Book._meta.model_name)
# book
print(B...
How to see if an object is an array without using reflection?
...ference type. See JLS 4.10.3.
Therefore, the following is incorrect as a test to see if obj is an array of any kind:
// INCORRECT!
public boolean isArray(final Object obj) {
return obj instanceof Object[];
}
Specifically, it doesn't work if obj is 1-D array of primitives. (It does work for...
Automapper: Update property values without creating a new object
...n the static method used in the accepted answer, you can do the following (tested in AutoMapper 6.2.2)
IMapper _mapper;
var config = new MapperConfiguration(cfg =>
{
cfg.CreateMap<Source, Destination>();
});
_mapper = config.CreateMapper();
Source src = new Source
{
//initialize prope...
How to use querySelectorAll only for elements that have a specific attribute set?
...
You can use querySelectorAll() like this:
var test = document.querySelectorAll('input[value][type="checkbox"]:not([value=""])');
This translates to:
get all inputs with the attribute "value" and has the attribute "value" that is not blank.
In this demo, it disabl...
Making a Location object in Android with latitude and longitude values
...
why in unit tests it doesn't have any effect when I set Lat and Lon on Location object. Location object is somehow null !?!?
– Ewoks
Jun 21 '18 at 10:23
...
Enable zooming/pinch on UIWebView
...w.maximumZoomScale = 20; // set similar to previous.
}
NOTE: I had to tested on Mac OS X - 10.9.3 with Xcode 5.1.1 and iOS version 6.1 and latter.
I hope this will helpful for you. :)
share
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Twig: in_array or similar possible within if statement?
...efined : {% if someOtherArray.myVar is defined %} (twig.sensiolabs.org/doc/tests/defined.html)
– tight
Jun 15 '14 at 18:01
add a comment
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...
How do I choose grid and block dimensions for CUDA kernels?
...a little example.
#include <stdio.h>
/************************/
/* TEST KERNEL FUNCTION */
/************************/
__global__ void MyKernel(int *a, int *b, int *c, int N)
{
int idx = threadIdx.x + blockIdx.x * blockDim.x;
if (idx < N) { c[idx] = a[idx] + b[idx]; }
}
/***...
MySQL Select Date Equal to Today
...
@RandomSeed The general idea of testing for signup_date between two times is correct, but the times are not. It should be between 00:00 and 23:59:59 on the current date.
– Barmar
Oct 21 '15 at 9:16
...