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PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
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How to sort an array in descending order in Ruby
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Use JNI instead of JNA to call native code?
JNA seems a fair bit easier to use to call native code compared to JNI. In what cases would you use JNI over JNA?
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How do I update pip itself from inside my virtual environment?
I'm able to update pip-managed packages, but how do I update pip itself? According to pip --version , I currently have pip 1.1 installed in my virtualenv and I want to update to the latest version.
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How to get arguments with flags in Bash
I know that I can easily get positioned parameters like this in bash:
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Formula to determine brightness of RGB color
...ing for some kind of formula or algorithm to determine the brightness of a color given the RGB values. I know it can't be as simple as adding the RGB values together and having higher sums be brighter, but I'm kind of at a loss as to where to start.
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How does Dijkstra's Algorithm and A-Star compare?
I was looking at what the guys in the Mario AI Competition have been doing and some of them have built some pretty neat Mario bots utilizing the A* (A-Star) Pathing Algorithm.
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How do I change the cursor between Normal and Insert modes in Vim?
I would like to know how to change, if possible, the cursor in Vim (in color, shape, etc.) depending on what mode you are in.
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Method Syntax in Objective-C
Can someone explain this method declaration syntax for me? In this function, the number of rows of a UIPickerView (slot machine UI on the iPhone) is being returned. From my understanding, the Method is called ' pickerView ', and returns an NSInteger.
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Why does C# not provide the C++ style 'friend' keyword? [closed]
The C++ friend keyword allows a class A to designate class B as its friend. This allows Class B to access the private / protected members of class A .
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