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How to Reverse Fragment Animations on BackStack?
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in my case
fragmentTransaction.setCustomAnimations(android.R.anim.slide_in_left, android.R.anim.slide_out_right,
R.anim.slide_in_right, R.anim.slide_out_left);
would create perfect animation.
slide_i...
Use curly braces to initialize a Set in Python
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There are two obvious issues with the set literal syntax:
my_set = {'foo', 'bar', 'baz'}
It's not available before Python 2.7
There's no way to express an empty set using that syntax (using {} creates an empty dict)
Those may or may not be important to you.
The section of the ...
A cron job for rails: best practices?
...nt tasks (esp. where you want to avoid the Rails environment startup cost) my preferred approach is to use system cron to call a script that will either (a) poke a secure/private webhook API to invoke the required task in the background or (b) directly enqueue a task on your queuing system of choice...
When do you use varargs in Java?
...to pass in any number of objects.
String.format("This is an integer: %d", myInt);
String.format("This is an integer: %d and a string: %s", myInt, myString);
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Does PNG contain EXIF data like JPG?
...hey is there any documentation that says that? cause i need a proof to let my supervisor know as i am working on an project that requires me to read the EXIF info for png. If that is the case, i could show him and let him know about it
– user1004413
Mar 4 '12 a...
Why can't Python find shared objects that are in directories in sys.path?
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Thanks. My LD_LIBRARY_PATH was not set, so: $ LD_LIBRARY_PATH=/usr/local/lib $LD_LIBRARY_PATH /usr/local/lib But I still get the same error: $ python -c "import pycurl" Traceback (most recent call last): File...
HTML input textbox with a width of 100% overflows table cells
...works with just a single div with right margin 6. However, in the case of my web application, only the above solution works.
<table style="background-color: blue; width: 100%;" cellpadding="0" cellspacing="0">
<tr>
<td style="background-color: red; padding: 3px;">
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Test whether a Ruby class is a subclass of another class
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Hmm, strange syntax (wouldn't have been my first guess), but thanks for the clarification!
– Brian Armstrong
Oct 26 '12 at 1:31
2
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How exactly does the “Specific Version” property of an assembly reference work in Visual Studio?
...orks. Even SO, it appears to me, does not have all the answers, so here is my attempt at self-answering the question:
2 Ans...
Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
...to this question.
In Rails 3.0 you want to do something like this:
class MyModel < ActiveRecord::Base
after_initialize :default_values
private
def default_values
self.name ||= "default value"
end
end
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