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Erratic hole type resolution
I recently found out that type holes combined with pattern matching on proofs provides a pretty nice Agda-like experience in Haskell. For example:
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Extract method to already existing interface with ReSharper
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'Missing contentDescription attribute on image' in XML
...latively
easy, particularly when you use framework-provided user interface
components. If you only use these standard components for your
application, there are just a few steps required to ensure your
application is accessible:
Label your ImageButton, ImageView, EditText, CheckBox and other user
i...
Django “login() takes exactly 1 argument (2 given)” error
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How to select where ID in Array Rails ActiveRecord without exception
...he "find_all_by.." family of functions works without throwing exceptions.
Comment.find_all_by_id([2, 3, 5])
will work even if some of the ids don't exist. This works in the
user.comments.find_all_by_id(potentially_nonexistent_ids)
case as well.
Update: Rails 4
Comment.where(id: [2, 3, 5])
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Implementing comparison operators via 'tuple' and 'tie', a good idea?
... clearer. So I go back to writing the structs myself, including any needed comparision operators.
Since especially the operator< can be quite cumbersome, I thought of circumventing this whole mess by just relying on the operations defined for tuple :
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How to make a select with array contains value clause in psql
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How do I get logs/details of ansible-playbook module executions?
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If you pass the -v flag to ansible-playbook on the command line, you'll see the stdout and stderr for each task executed:
$ ansible-playbook -v playbook.yaml
Ansible also has built-in support for logging. Add the following lines to your ansible configuration file:
[defaul...
Change working directory in my current shell context when running Node script
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Oops. Ya, that is the command I am actually using. However, when I use it in a simple script it still does not seem to work (once the script exits I am still in the old directory) If I call process.cwd() it says I am in the directory I should be ...
Delete directories recursively in Java
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You should check out Apache's commons-io. It has a FileUtils class that will do what you want.
FileUtils.deleteDirectory(new File("directory"));
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