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Are static class variables possible in Python?
...ble to have static class variables or methods in Python? What syntax is required to do this?
21 Answers
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How to efficiently compare two unordered lists (not sets) in Python?
a & b should be considered equal, because they have exactly the same elements, only in different order.
10 Answers
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Create PostgreSQL ROLE (user) if it doesn't exist
How do I write an SQL script to create a ROLE in PostgreSQL 9.1, but without raising an error if it already exists?
10 Answ...
Android: AutoCompleteTextView show suggestions when no text entered
I am using AutoCompleteTextView , when the user clicks on it, I want to show suggestions even if it has no text - but setThreshold(0) works exactly the same as setThreshold(1) - so the user has to enter at least 1 character to show the suggestions.
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How to create a HashMap with two keys (Key-Pair, Value)?
I have a 2D array of Integers. I want them to be put into a HashMap. But I want to access the elements from the HashMap based on Array Index. Something like:
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How to fix: android.app.RemoteServiceException: Bad notification posted from package *: Couldn't cre
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What was happening was, I was including the integer reference to the icon in the PendingIntent bundle, and that integer was later being referenced while being posted to the NotificationManager.
In between getting the integer reference and the pending intent ...
How to programmatically round corners and set random background colors
I'd like to round the corners of a view and also change the color of the view based on the contents at runtime.
8 Answers
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Use cases for NoSQL [closed]
...interested in what peoples thoughts are on the best use-cases for its use over relational database storage. What should trigger a developer into thinking that particular datasets are more suited to a NoSQL solution. I'm particularly interested in MongoDB and CouchDB as they seem to be getting th...
C++ templates Turing-complete?
I'm told that the template system in C++ is Turing-complete at compile time. This is mentioned in this post and also on wikipedia .
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What is the instanceof operator in JavaScript?
The instanceof keyword in JavaScript can be quite confusing when it is first encountered, as people tend to think that JavaScript is not an object-oriented programming language.
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