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How do I use define_method to create class methods?
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Derived from: Jay and Why, who also provide ways to make this prettier.
self.create_class_method(method_name)
(class << self; self; end).instance_eval do
define_method method_name do
...
end
end
end
Updat...
Android “Only the original thread that created a view hierarchy can touch its views.”
... to modify the UI, and the above code worked, but I had call runOnUiThread from the Activity object. I had to do something like myActivityObject.runOnUiThread(etc)
– Kirby
Feb 17 '12 at 21:27
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Are static variables shared between threads?
...frame), unless you establish a happens-before relationship.
Here's a quote from that link (supplied in the comment by Jed Wesley-Smith):
Chapter 17 of the Java Language Specification defines the happens-before relation on memory operations such as reads and writes of shared variables. The results o...
Automatically plot different colored lines
...ot will rotate (automatically for you) through MATLAB's default colormap.
From the MATLAB site on hold:
hold all holds the plot and the current line color and line style so that subsequent plotting commands do not reset the ColorOrder and LineStyleOrder property values to the beginning of the l...
How to Display blob (.pdf) in an AngularJS app
I have been trying to display pdf file which I am getting as a blob from a $http.post response. The pdf must be displayed within the app using <embed src> for example.
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Element-wise addition of 2 lists?
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Use map with operator.add:
>>> from operator import add
>>> list( map(add, list1, list2) )
[5, 7, 9]
or zip with a list comprehension:
>>> [sum(x) for x in zip(list1, list2)]
[5, 7, 9]
Timing comparisons:
>>> list2 = [4, 5,...
How do I get out of a screen without typing 'exit'?
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Ctrl-A -> Ctrl-D just exits from the session for me, leaving it running in the background. Ctrl-A -> \ will exit the session completely (on Oracle Linux 6).
– Andrew Brennan
Apr 1 '19 at 16:03
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Mockito: Inject real objects into private @Autowired fields
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Which library does this come from, I can only see InjectMocks in org.mockito
– Sameer
Jun 25 '19 at 13:47
1
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How can I inject a property value into a Spring Bean which was configured using annotations?
I have a bunch of Spring beans which are picked up from the classpath via annotations, e.g.
18 Answers
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Does Swift have access modifiers?
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As of Swift 3.0.1, there are 4 levels of access, described below from the highest (least restrictive) to the lowest (most restrictive).
1. open and public
Enable an entity to be used outside the defining module (target). You typically use open or public access when specifying the publi...