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Rails 2.3-style plugins and deprecation warnings running task in Heroku
...g to Rails 3.2, and running rake db:migrate gives me several errors of the form:
8 Answers
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Coalesce function for PHP?
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Does not work as expected for arrays. For example when trying to check if an undefined array element is falsey will result in an error. $input['properties']['range_low'] ?: '?'
– Keyo
Jul 12 '11 at 23:28
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Get the first key name of a javascript object [duplicate]
...ce of code. I was expecting to have to clutter everything up with a silly for key in dict:
– Jake
Jul 29 '12 at 5:10
12
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Scala equivalent of Java java.lang.Class Object
....Class<T>
The classOf[T] method returns the runtime representation for a Scala type. It is analogous to the Java expression T.class.
Using classOf[T] is convenient when you have a type that you want information about, while getClass is convenient for retrieving the same information from an i...
How do I print a list of “Build Settings” in Xcode project?
...and suggested by dunedin15.
dunedin15's answer can give inaccurate results for some edge-cases, such as when debugging build settings of a static lib for an Archive build, see Slipp D. Thompson's answer for a more robust output.
Original Answer
Variable Example
PATH...
How to find elements by class
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Thanks for this. It is not just for @class but for anything.
– prageeth
Mar 11 '14 at 18:39
44
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clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
...pers in comments below:
sudo -E pip install psycopg2
or the equivalent, for whatever other package name you may be substituting in place of psycopg2.
UPDATE [2014-05-16]: Apple has fixed this problem with updated system Pythons (2.7, 2.6, and 2.5) in OS X 10.9.3 so the workaround is no longer ne...
Changing the default header comment license in Xcode
...ate a new .cpp/.h file in Xcode a comment is added to the top of the file. For example:
11 Answers
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Python argparse ignore unrecognised arguments
...= parser.parse_args()
with
args, unknown = parser.parse_known_args()
For example,
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('--foo')
args, unknown = parser.parse_known_args(['--foo', 'BAR', 'spam'])
print(args)
# Namespace(foo='BAR')
print(unknown)
# ['spam']
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How to generate JAXB classes from XSD?
...ML. With this we decided to use JAXB. So far, we manually coded the Models for the XML.
10 Answers
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