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iOS - Dismiss keyboard when touching outside of UITextField
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So without having to define any methods, a one-liner would be: [self.view addGestureRecognizer:[[UITapGestureRecognizer alloc] initWithTarget:self.view action:@selector(endEditing:)]];
– Subhas
Aug 11 '14 at 7:11
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Look up all descendants of a class in Ruby
...= 3, you have two options in place. Use .descendants if you want more than one level depth of children classes, or use .subclasses for the first level of child classes.
Example:
class Animal
end
class Mammal < Animal
end
class Dog < Mammal
end
class Fish < Animal
end
Animal.subclasse...
Get the latest record from mongodb collection
... also how last record is fetched when your are limiting the output to just one document and it must be the top document in collection.
– kailash yogeshwar
Nov 23 '16 at 16:58
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Install tkinter for Python
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How does one install tkinter from sources? I have tcl/tk, verified using wish. I can't find the source tarball for tkinter.
– lapin
Mar 6 '17 at 18:19
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When is assembly faster than C?
One of the stated reasons for knowing assembler is that, on occasion, it can be employed to write code that will be more performant than writing that code in a higher-level language, C in particular. However, I've also heard it stated many times that although that's not entirely false, the cases wh...
Chaining multiple filter() in Django, is this a bug?
...ghtly different.
Examples from the documentation.
model
Blog to Entry is a one-to-many relation.
from django.db import models
class Blog(models.Model):
...
class Entry(models.Model):
blog = models.ForeignKey(Blog)
headline = models.CharField(max_length=255)
pub_date = models.DateFi...
Static way to get 'Context' in Android?
...etMethod("currentApplication").invoke(null, (Object[]) null);
}
There is one more hidden class (AppGlobals) which provides a way to get the application context in a static way. It gets the context using ActivityThread so there really is no difference between the following method and the one posted...
Is there a Python caching library?
... Ah, I kept searching for this and all I found was a wiki that mentioned how to use it as an WSGI middleware. It looks like what I need, thank you.
– Stavros Korokithakis
Sep 15 '09 at 14:20
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What methods of ‘clearfix’ can I use?
...ght="500"
>
<p>Your content here…</p>
</div>
One downside, using certain combinations of margin and padding on the external element can cause scrollbars to appear but this can be solved by placing the margin and padding on another parent containing element.
Using ‘ov...
Does functional programming replace GoF design patterns?
...in Java) are workarounds for the missing features in imperative languages. One article I found makes a fairly strong claim :
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