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Using Rails serialize to save hash to database
...PDATED:
Exact implementation will depend on your database, but PostgreSQL now has json and jsonb columns which can natively store your hash/object data and allow you to query against the JSON with ActiveRecord!
change your migration and you're done.
class Migration0001
def change
add_column...
Facebook Open Graph not clearing cache
...ge - the debugger WILL warn you of this and but they'll be ignored (yes I know you mentioned this I just wanted to stress the point)
– Simon_Weaver
Aug 10 '15 at 17:55
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bower command not found
...c('git')
Error: not found: git
I change the permissions (chomd 755 git).
Now node-which can find it.
> which.sync('git')
'/usr/local/bin/git'
Hope this helps.
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How to import the class within the same directory or sub directory?
...in order to import classes from files within the same directory, you would now write in Python 3:
from .user import User
from .dir import Dir
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How to Unit test with different settings in Django?
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I'd say this is the best way of doing this now in Django 1.4+
– Michael Mior
Jun 28 '13 at 12:59
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Usage of forceLayout(), requestLayout() and invalidate()
... Well that's an interesting question, and to be honest I don't really know why they call both methods in e.g. TextView. I thought that maybe they want to draw the View for the last time before they change its layout-related parameters, but it doesn't really make any sense if we think about those...
Passing a dictionary to a function as keyword parameters
...: myfunc(**mydict)
100 200
A few extra details that might be helpful to know (questions I had after reading this and went and tested):
The function can have parameters that are not included in the dictionary
You can not override a parameter that is already in the dictionary
The dictionary can no...
Can't choose class as main class in IntelliJ
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This did what I asked for, however now it can't resolve the import statements. Other errors appeared as well. Ideas?
– C. E.
Feb 19 '14 at 15:11
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Full Screen DialogFragment in Android
...ole layout in a LinearLayout. That way I could set width and height of my (now wrapped) original layout...wasted hours on this
– Till
Jul 23 '12 at 11:18
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How to crop circular area from bitmap in Android
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Thanks. your code works spectacular. Now I can also crop using path (Polygon).
– DearDhruv
Sep 21 '13 at 8:58
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