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How to check if variable is string with python 2 and 3 compatibility
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What about this, works in all cases?
isinstance(x, ("".__class__, u"".__class__))
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Mediator Vs Observer Object-Oriented Design Patterns
...-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically.
The Mediator pattern:
Define an object that encapsulates how a set of objects interact. Mediator promotes loose coupling by keeping objects from referring to each o...
How to Execute SQL Server Stored Procedure in SQL Developer?
...ramater and still the same error. I don't think it's running procedure at all. The EXEC command isn't syntax highlighted, so I'm guessing Developer doesn't recognize it even though the connection is to a SQL Server database. But I can't find anything on the web to confirm/deny that.
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How to display unique records from a has_many through relationship?
...erfectly:
has_many :regions, -> { order(:name).distinct }, through: :sites
I couldn't get any of the other answers to work.
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How to select different app.config for several build configurations
...nvironment-specific css, sql, javascript etc, keep an eye on the configGen site
– Daniel Dyson
Aug 8 '12 at 8:27
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How can I override inline styles with external CSS?
...tity why wouldn't I use Jquery to remove the offending inline styles so my sites external theme shows through? Seems a more precesion solution than blasting !important on a trait I might want to override in a specific instance later.
– Neberu
Mar 6 '15 at 0:49
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What's the difference between SortedList and SortedDictionary?
...<TKey,TValue> ? Are there any circumstances where you would specifically use one and not the other?
7 Answers
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Adding a directory to $LOAD_PATH (Ruby)
...so long as the memory usage is the same for each, which I assume it essentially is.
– boulder_ruby
Oct 12 '12 at 1:47
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Django “xxxxxx Object” display customization in admin action sidebar
... I'd declared unicode methods for every model EXCEPT this one. :doh: Sorry all.
– patrickn
Feb 17 '12 at 23:04
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What's the difference between a file descriptor and file pointer?
...ther Unix-like systems.
You pass "naked" file descriptors to actual Unix calls, such as read(), write() and so on.
A FILE pointer is a C standard library-level construct, used to represent a file. The FILE wraps the file descriptor, and adds buffering and other features to make I/O easier.
You pa...