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Devise form within a different controller
...re specified by Devise and so aren't present when you access a Devise form from a non-Devise controller.
To get around this, you need to add the following methods to the helper class of the controller you wish to display the form under. Alternatively, you can just add them to your application helpe...
Restoring MySQL database from physical files
Is it possible to restore a MySQL database from the physical database files. I have a directory that has the following file types:
...
Django URL Redirect
...
You can try the Class Based View called RedirectView
from django.views.generic.base import RedirectView
urlpatterns = patterns('',
url(r'^$', 'macmonster.views.home'),
#url(r'^macmon_home$', 'macmonster.views.home'),
url(r'^macmon_output/$', 'macmonster.views.outpu...
Why does LayoutInflater ignore the layout_width and layout_height layout parameters I've specified?
... visible as small red square if layout parameters are successfully applied from XML (red.xml):
<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="25dp"
android:layout_height="25dp"
android:background...
Best practices for in-app database migration for Sqlite
...Update the database in several steps, applying the changes necessary to go from version 1 to version 2, then version 2 to version 3, etc... until it is up to date. An easy way to do this is to have a switch statement where each "case" statement updates the database by one version. You "switch" to ...
How to generate a random int in C?
...licated. Here's a reason: time() only changes once per second. If you seed from time(), for each call to rand(), then you will get the same value for every call during a single second. But the bigger reason is that the properties of rand() and functions like it are known best for the use case where ...
How do you rotate a two dimensional array?
...e isolate a single layer so we can rotate it? Firstly, we inspect a matrix from the outermost layer, inwards, to the innermost layer. A 5×5 matrix has three layers in total and two layers that need rotating:
. . . . .
. x x x .
. x O x .
. x x x .
. . . . .
Let’s look at columns first. The pos...
Get JavaScript object from array of objects by value of property [duplicate]
...
jsObjects.find(x => x.b === 6)
From MDN:
The find() method returns a value in the array, if an element in the array satisfies the provided testing function. Otherwise undefined is returned.
Side note: methods like find() and arrow functions are not...
Save An Image To Application Documents Folder From UIView On IOS
...esentation(image);
This pulls out PNG data of the image you've captured. From here, you can write it to a file:
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsPath = [paths objectAtIndex:0]; //Get the docs directory
NSString...
How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites
...datetime library, to use it for such scenario, you'd do:
moment(yourdate).fromNow()
http://momentjs.com/docs/#/displaying/fromnow/
2018 addendum: Luxon is a new modern library and might be worth a look!
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