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how does Array.prototype.slice.call() work?
I know it is used to make arguments a real array, but I don't understand what happens when using Array.prototype.slice.call(arguments)
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getApplication() vs. getApplicationContext()
I couldn't find a satisfying answer to this, so here we go: what's the deal with Activity/Service.getApplication() and Context.getApplicationContext() ?
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Bash tool to get nth line from a file
... wonder how long just cat'ting the entire file into /dev/null would take. (What if this was only a hard disk benchmark?)
– sanmai
Mar 23 '19 at 2:52
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In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
...ginal answer
Since Django 1.10 it's
possible!
You just have to do what you asked for:
class Place(models.Model):
name = models.CharField(max_length=20)
rating = models.DecimalField()
class Meta:
abstract = True
class LongNamedRestaurant(Place): # Subclassing `Place`....
Last non-empty cell in a column
...s that it returns some value in the middle of the vector. I have not found what is the exact functionality in this case.
– Honza Zidek
Jun 4 '14 at 8:29
1
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Can I do a partial revert in GIT
...it reset -p to selectively unstage changes. Good to know, but probably not what you want in this scenario.)
– Stéphan Kochen
Apr 14 '11 at 20:46
1
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SQL - Rounding off to 2 decimal places
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@u07ch what is the purpose of using round() when you are already using a cast?
– Ram
Aug 23 '14 at 12:20
16
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Maven package/install without test (skip tests)
... the packaging. The tests insert some content in the database. This is not what I want, I need to avoid running tests while package the application. Anybody knows how run the package with out test?
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How to prevent a dialog from closing when a button is clicked
... input is wrong, I want to remain in the same dialog. Every time no matter what the input is, the dialog should be automatically closed when I click on the "no" button. How can I disable this? By the way, I have used PositiveButton and NegativeButton for the button on dialog.
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What is the most useful script you've written for everyday life? [closed]
Just wondering what little scripts/programs people here have written that helps one with his or her everyday life (aka not work related).
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