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Rails 2.3-style plugins and deprecation warnings running task in Heroku
I'm upgrading to Rails 3.2, and running rake db:migrate gives me several errors of the form:
8 Answers
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Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
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edited May 23 '17 at 12:26
Community♦
111 silver badge
answered Aug 27 '12 at 17:42
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How can I keep my fork in sync without adding a separate remote?
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edited Apr 2 '19 at 13:40
userJT
8,3901616 gold badges5959 silver badges8080 bronze badges
answered...
HttpClient not supporting PostAsJsonAsync method C#
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Amirhossein Mehrvarzi
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answered Oct 3 '13 at 11:59
Justin HarveyJustin Harvey
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What is the pythonic way to avoid default parameters that are empty lists?
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153
def my_func(working_list=None):
if working_list is None:
working_list = []
wor...
Calling class staticmethod within the class body?
...s Foo(object):
... @staticmethod
... def foo():
... return 3
... global z
... z = foo
>>> z
<staticmethod object at 0x0000000002E40558>
>>> Foo.foo
<function foo at 0x0000000002E3CBA8>
>>> dir(z)
['__class__', '__delattr__', '__doc__', ...
Can I set an opacity only to the background image of a div?
...:before pseudo-element
Another trick is to use the CSS 2.1 :before or CSS 3 ::before pseudo-elements. :before pseudo-element is supported in IE from version 8, while the ::before pseudo-element is not supported at all. This will hopefully be rectified in version 10.
HTML
<div class="myDiv">...
Test PHP headers with PHPUnit
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123
The issue is that PHPUnit will print a header to the screen and at that point you can't add more...