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What is Activity.finish() method doing exactly?
...em does what it has to.
on the other hand, finish() just lets the system know that the programmer wants the current Activity to be finished. And hence, it calls up onDestroy() after that.
Something to note:
it isn't necessary that only a call to finish() triggers a call to onDestroy(). No. As we ...
All Ruby tests raising: undefined method `authenticate' for nil:NilClass
...er! function is part of Rails 3 (using the new devise feature, of which I know little about). If the app can't find the User model (either because of namespace issues or whatever reason) then the method will fail. The "enki" application you linked to is now a Rails 3 application. It could be expe...
How do I invert BooleanToVisibilityConverter?
...
Write your own is the best solution for now. Here is an example of a Converter that can do both way Normal and Inverted. If you have any problems with this just ask.
[ValueConversion(typeof(bool), typeof(Visibility))]
public class InvertableBooleanToVisibilityConv...
Check if an array is empty or exists
...ypeof array.length; // => "number"
Case Empty Array
Now since we tested all other possibilities, we're talking to an instance of Array. In order to make sure it's not empty, we ask about number of elements it's holding, and making sure it has more than zero elements.
firstArr...
How to save password when using Subversion from the console
...ew answer that's more up-to-date. (The store-passwords option in config is now deprecated, according to some default comments I found in my config file; it has been replaced by the same option in servers.)
– Kyle Strand
Sep 9 '14 at 23:24
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JavaScript equivalent of PHP's in_array()
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There is now Array.prototype.includes:
The includes() method determines whether an array includes a certain
element, returning true or false as appropriate.
var a = [1, 2, 3];
a.includes(2); // true
a.includes(4); // false
...
How to fix org.hibernate.LazyInitializationException - could not initialize proxy - no Session
...of getCurrentSession() as one of the links you gave me suggested this, but now I'm affraid if it is wrong to do so
– Blerta Dhimitri
Feb 5 '14 at 11:39
2
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Is there a good charting library for iPhone? [closed]
I have a need to render and display charts (bar charts for now, but more types may be needed later) in an iPhone app I'm working on. I've done some looking around and it doesn't look like there are any really good, mature charting libraries for iPhone yet. I've also looked for something written for ...
open read and close a file in 1 line of code
Now I use:
11 Answers
11
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How to uninstall editable packages with pip (installed with -e)
... install --editable .
Uninstall:
rm -r $(find . -name '*.egg-info')
Now you can use:
pip uninstall package_name
or python setup.py develop --uninstall or python setup.py develop -u
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