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how to override action bar back button in android?
... @Trancer, It has almost been 1.5+ years. And I don't do android now. I can't help you now. Sorry.
– ssi-anik
Feb 2 '17 at 5:12
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What is “lifting” in Haskell?
...rn than a mathematical concept (although I expect someone around here will now refute me by showing how lifts are a category or something).
Typically you have some data type with a parameter. Something like
data Foo a = Foo { ...stuff here ...}
Suppose you find that a lot of uses of Foo take nu...
On delete cascade with doctrine2
...also want to point out that the way you have your cascade={"remove"} right now, if you delete a Child object, this cascade will remove the Parent object. Clearly not what you want.
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Custom toast on Android: a simple example
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I also don't know the purpose of the root view (null), but in the official docs is present too, if someone can explain why, would be great! developer.android.com/guide/topics/ui/notifiers/toasts#java
– Nestor Perez
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is guava-libraries available in maven repo?
...;
Note: the above version number may be outdated when you read this. To know the latest available version, you may look here
Version updated on 19th Oct 2017.
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What killed my process and why?
...y. So in theory, your CPU has access to total of 1.5GB of virtual memory.
Now, for some time everything is running fine within 1.5GB of total memory. But all of sudden (or gradually) your system has started consuming more and more memory and it reached at a point around 95% of total memory used.
N...
What exactly are DLL files, and how do they work?
...ly do DLL files work? There seems to be an awful lot of them, but I don't know what they are or how they work.
9 Answers
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How to duplicate virtualenv
...ext editor, you'll see something like:
Django==1.3
Fabric==1.0.1
etc...
Now, edit the line that says Django==x.x to say Django==1.3 (or whatever version you want to install in your new virtualenv).
Lastly, activate your new virtualenv, and run:
pip install -r requirements.txt
And pip will aut...
class
... = 'foo' # new object, new singleton class
a.inspect # => "foo"
Now, to answer the question: class << self opens up self's singleton class, so that methods can be redefined for the current self object (which inside a class or module body is the class or module itself). Usually, this...
Type hinting a collection of a specified type
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Now that Python 3.5 is officially out, there is the Type Hints supporting module - typing and the relevant List "type" for the generic containers.
In other words, now you can do:
from typing import List
def my_func(l: List...