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variable === undefined vs. typeof variable === “undefined”
...undefined", whereas the identity check foo === undefined would trigger the error "foo is not defined".
For local variables (which you know are declared somewhere), no such error would occur, hence the identity check.
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QuotaExceededError: Dom exception 22: An attempt was made to add something to storage that exceeded
Using LocalStorage on iPhone with iOS 7 throws this error. I've been looking around for a resolvant, but considering I'm not even browsing in private, nothing is relevant.
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What's the best way to validate an XML file against an XSD file?
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How do i use an ErrorHandler with the above? Is is a case of just creating the ErrorHandler and associating it with the validator? i.e. validator.SetErrorHandler() as in the example in this SO question stackoverflow.com/questions/4864681/…...
How to dynamically update a ListView on Android [closed]
...ing? This code is copied w/o a test compile, so I likely left at least one error in there somewhere
– Hamy
Feb 8 '10 at 15:23
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e.printStackTrace equivalent in python
...happened!")
# will print this message followed by traceback
Output:
ERROR 2007-09-18 23:30:19,913 error 1294 Something awful happened!
Traceback (most recent call last):
File "b.py", line 22, in f
g()
File "b.py", line 14, in g
1/0
ZeroDivisionError: integer division or modulo by ...
An error occurred while installing pg (0.17.1), and Bundler cannot continue
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Some kind of error resported here Installing PG gem on OS X - failure to build native extension
To install dependencies on Ubuntu try this:
sudo apt-get install libpq-dev
and this
gem install pg
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src/lxml/etree_defs.h:9:31: fatal error: libxml/xmlversion.h: No such file or directory
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I installed the two libraries, and still got the error. Logged off and back on, and still got the error. The make file is looking in /usr/include for libxml, but that is nested inside a libxml2 directory. Linking to libxml from /usr/include did the trick sudo ln -s libxm...
Is there a simple way to convert C++ enum to string?
... I could not get this to compile in VS2015. I get a warning and an error: warning: multi-line comment [-Wcomment] #define MAKE_ENUM(name, ...) enum class name { VA_ARGS, __COUNT} error: stray '#' in program std*: string enumName = #name
– C...
AJAX post error : Refused to set unsafe header “Connection”
... to a PHP file. Everytime the post of data happens I get the following two errors :
1 Answer
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In Python, how do I indicate I'm overriding a method?
...'hello kitty!'
and if you do a faulty version it will raise an assertion error during class loading:
class ConcreteFaultyImplementer(MySuperInterface):
@overrides(MySuperInterface)
def your_method(self):
print 'bye bye!'
>> AssertionError!!!!!!!
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