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Get the latest record from mongodb collection
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This is a rehash of the previous answer but it's more likely to work on different mongodb versions.
db.collection.find().limit(1).sort({$natural:-1})
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Validating with an XML schema in Python
...'d like to validate that my XML file adheres to the schema. How do I do this in Python?
7 Answers
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Cleanest way to build an SQL string in Java
...of the awful string concat method using millions of "+"'s and quotes which is unreadable at best - there must be a better way.
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How to detect responsive breakpoints of Twitter Bootstrap 3 using JavaScript?
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Edit: This library is now available through Bower and NPM. See github repo for details.
UPDATED ANSWER:
Live example: CodePen
Latest version: Github repository
Don't like Bootstrap? Check: Foundation demo and Custom framework demo...
Can I access constants in settings.py from templates in Django?
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edited Jun 1 '09 at 1:29
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Nullable ToString()
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You are quite correct. Also in this question, the former solution is suggested while nobody actually notices ToString() already gives the correct answer.
Maybe the argument for the more verbose solution is readability: When you call ToString() on something ...
Should I use string.isEmpty() or “”.equals(string)?
I'm usually testing this alongside a string == null , so I'm not really concerned about a null-safe test. Which should I use?
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Is it possible to get the non-enumerable inherited property names of an object?
... "lastIndexOf", "reduce", "filter", "reverse", "every", "hasOwnProperty", "isPrototypeOf", "valueOf", "__defineGetter__", "__defineSetter__", "__lookupGetter__", "propertyIsEnumerable", "__lookupSetter__"]
Update: Refactored the code a bit (added spaces, and curly braces, and improved the functi...
How to remove old Docker containers
This question is related to Should I be concerned about excess, non-running, Docker containers? .
61 Answers
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Factory pattern in C#: How to ensure an object instance can only be created by a factory class?
...ave 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 decide I want to make this check be a part...