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jQuery ui dialog change title after load-callback

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Best way to require all files from a directory in ruby?

What's the best way to require all files from a directory in ruby ? 11 Answers 11 ...
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What are metaclasses in Python?

...ass is an instance of a metaclass. While in Python you can use arbitrary callables for metaclasses (like Jerub shows), the better approach is to make it an actual class itself. type is the usual metaclass in Python. type is itself a class, and it is its own type. You won't be able to recreate somet...
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Usage of __slots__?

What is the purpose of __slots__ in Python — especially with respect to when I would want to use it, and when not? 11 A...
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Unable to create/open lock file: /data/mongod.lock errno:13 Permission denied

...EBS volume) I was getting 'errno:13 Permission denied'. First I ran sudo service mongodb stop. Then I used ls -la to see what group & owner mongodb assigned to /var/lib/mongodb (existing path) and I changed the /data/db (new path) with chown and chgrp to match. (example: sudo chown -R mongodb:...
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Should I use a class or dictionary?

...ould your __init__ code go? Classes are for bundling related data (and usually code). Dictionaries are for storing key-value relationships, where usually the keys are all of the same type, and all the values are also of one type. Occasionally they can be useful for bundling data when the key/attri...
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How to enumerate an object's properties in Python?

...oes not return dynamic members (i.e., object attributes and methods dynamically defined by that object's __getattr__() method or similar magic). In all likelihood, your desired file.ImplementationName property is defined dynamically and hence not available to vars() or dir(). –...
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How is CountDownLatch used in Java Multithreading?

... CountDownLatch in Java is a server side core Java application which uses services architecture, where multiple services are provided by multiple threads and the application cannot start processing until all services have started successfully. P.S. OP's question has a pretty straightforward examp...
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Scala list concatenation, ::: vs ++

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Convert UTC/GMT time to local time

We are developing a C# application for a web-service client. This will run on Windows XP PC's. 11 Answers ...