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Templated check for the existence of a class member function?

... return 0; } I've just tested it with Linux and gcc 4.1/4.3. I don't know if it's portable to other platforms running different compilers. share | improve this answer | ...
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Remove all classes that begin with a certain string

...eral groups. Each group has a specific prefix. In the javascript, I don't know which class from the group is on the div. I want to be able to clear all classes with a given prefix and then add a new one. If I want to remove all of the classes that begin with "bg", how do I do that? Something like th...
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How can I remove an SSH key?

...p. If necessary you can also open seahorse and delete the keys from there. Now you should be able to do git push without a problem. Another workaround: What you really want to do is to turn off gpg-keyring-daemon altogether. Go to System --> Preferences --> Startup Applications, and unselec...
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Gem::LoadError for mysql2 gem, but it's already in Gemfile

...e with a specific mysql version like below gem 'mysql2', '~> 0.3.18' Now stop the server and run bundle bundle install Now restart your server. It should work. rails s share | improve thi...
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OS X Terminal Colors [closed]

...adhanushGupta Not sure what color scheme that was, it was a while ago. But now I am using the Pure ZSH theme and loving it. github.com/sindresorhus/pure – Nick Woodhams Feb 12 '15 at 4:35 ...
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EF Code First “Invalid column name 'Discriminator'” but no inheritance

...PersonViewModel : Person { public bool UpdateProfile { get; set; } } Now, even if you map the Person class to the Person table on the database, a "Discriminator" column will not be created because the derived class has [NotMapped]. As an additional tip, you can use [NotMapped] to properties ...
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object==null or null==object?

...dn't be a usecase at all. Which means that, we are training ourselves that now that I use "null" first, its okay, even if I make a mistake. That doesn't mean that the code works as expected. Even if null = object is given in the place of null == object, the program is not going to work as expected! ...
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What is a lambda expression in C++11?

...ard benefits heavily from lambdas and raises the usability several bars as now users don't have to clutter their code with small functors in some accessible scope. C++14 In C++14 lambdas have been extended by various proposals. Initialized Lambda Captures An element of the capture list can now b...
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Best GUI designer for eclipse? [closed]

... Window Builder Pro is a great GUI Designer for eclipse and is now offered for free by google. share edited Jun 10 '12 at 23:23 ...
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How can I create directories recursively? [duplicate]

... I agree with Cat Plus Plus's answer. However, if you know this will only be used on Unix-like OSes, you can use external calls to the shell commands mkdir, chmod, and chown. Make sure to pass extra flags to recursively affect directories: >>> import subprocess >>...