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I tried this, but no luck. No error in console as well :(
– Govind Kailas
Feb 15 '14 at 11:21
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Rails update_attributes without save?
..., :is_admin => true }) # Raises an ActiveModel::MassAssignmentSecurity::Error
user.assign_attributes({ :name => 'Bob'})
user.name # => "Bob"
user.is_admin? # => false
user.new_record? # => true
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Anaconda vs. EPD Enthought vs. manual installation of Python [closed]
... for a Python version with the same mode, you may sooner or later run into errors that look something like undefined symbol: PyUnicodeUCS4_AsUTF8String.
According to PEP 0513, UCS4 seems to currently be more popular and recommended. Also, the whole UCS compatibility issues seem to only affect 2.x a...
Can a class member function template be virtual?
... like this:
X x;
x.func2<string>("X x");
g++ report the following error:
vtempl.cpp:34: error: invalid use of `virtual' in template declaration of `virtu
al void X::func2(const T&)'
So it is obvious that:
virtual member function can be used in a class template. It is easy for compi...
Setup RSpec to test a gem (not Rails)
It is pretty easy with the added generator of rspec-rails to setup RSpec for testing a Rails application. But how about adding RSpec for testing a gem in development?
I am not using jeweler or such tools. I just used Bundler ( bundle gem my_gem ) to setup the structure for the new gem and edit the *...
Implementing two interfaces in a class with same method. Which interface method is overridden?
...e two methods have conflicting return types, then it will be a compilation error. This is the general rule of inheritance, method overriding, hiding, and declarations, and applies also to possible conflicts not only between 2 inherited interface methods, but also an interface and a super class metho...
How to elegantly ignore some return values of a MATLAB function?
...e , isn't optional. Just typing [~ ~ var] will not work, and will throw an error.
See the release notes for details.
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Downcasting in Java
Upcasting is allowed in Java, however downcasting gives a compile error.
11 Answers
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libxml/tree.h no such file or directory
I am getting following errors.
22 Answers
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Setting ANDROID_HOME enviromental variable on Mac OS X
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I have this and still the same error. export HOME="/Users/rover" export ANDROID_HOME="$HOME/Documents/Dev/Android/adt-bundle-mac-x86_64-20140702/sdk" export ANDROID_PLATFORM_TOOLS="$ANDROID_HOME/platform-tools" export PATH="$ANDROID_HOME:$ANDROID_PLATFOR...