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Factory pattern in C#: How to ensure an object instance can only be created by a factory class?
... method of a factory class. Let us say I have some "business object" class and I want to make sure any instance of this class will have a valid internal state. In order to achieve this I will need to perform some check before creating an object, probably in its constructor. This is all okay until I ...
How to swap the buffers in 2 windows emacs
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This solution is perfect, and the comments are very clear - just make sure you read them :)
– Martin Clarke
Jun 9 '10 at 17:38
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Ruby: Change negative number to positive number?
...te value then this is definitely the better way.
– Brandon Bodnar
Mar 19 '10 at 22:41
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One line if statement not working
...ales.present? can you drop the '?'? ... don't worry. Found some code I had and tested it. The answer is 'no'
– Jay Killeen
Jan 21 '15 at 5:54
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AsyncTask threads never die
...s to fetch data in response to the user pressing a button. This works well and keeps the interface responsive while fetching the data, but when I checked out what was going on in the Eclipse debugger, I found out that every time a new AsyncTask was created (which is quite often, because they can o...
Include another JSP file
...ying to learn JSP. My question is, at present I used to include the header and footer of the page using:
6 Answers
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Set variable in jinja
...iable with another variable in jinja. I will explain, I have got a submenu and I would like show which link is active. I tried this:
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Ignore .pyc files in git repository
...n does not contain a slash /, git treats it as a shell
glob pattern and checks for a match against the pathname relative
to the location of the .gitignore file (relative to the toplevel of
the work tree if not from a .gitignore file).
· Otherwise, git treats the pattern as...
Pointer to class data member “::*”
...nest, I've never had to use them in my own code.
Edit: I can't think off-hand of a convincing use for pointers to member data. Pointer to member functions can be used in pluggable architectures, but once again producing an example in a small space defeats me. The following is my best (untested) tr...
How to store CGRect values in NSMutableArray?
How would I store CGRect objects in a NSMutableArray, and then later retrieve them?
4 Answers
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