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How do I revert to a previous package in Anaconda?
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XPath - Selecting elements that equal a value
In Xpath, I am wanting to select elements that equal a specific value.
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How to check if a function exists on a SQL database
I need to find out if a function exists on a database, so that I can drop it and create it again. It should basically be something like the following code that I use for stored procedures:
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spring scoped proxy bean
Can someone explain the usage of the spring @ScopedProxy annotation? I thought it had something to do with session scoped beans, but I'm not quite sure what.
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Is there a better way to dynamically build an SQL WHERE clause than by using 1=1 at its beginning?
...some SQL query in C#. It will differ depending on some conditions stored as variables in the code.
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Wait for all promises to resolve
So I have a situation where I have multiple promise chains of an unknown length. I want some action to run when all the CHAINS have been processed. Is that even possible? Here is an example:
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Precedence and bitmask operations
I've come across a (seemingly) very strange case.
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ListBox vs. ListView - how to choose for data binding
I'm considering either a ListBox or a ListView for a WPF application. It seems either supports data binding and item templates. My application has a simple list of items that I intend to be able to search/sort/filter based on user input. The data binding demo ( http://msdn.microsoft.com/en-us/lib...
How to restart a rails server on Heroku?
Locally I just interrupt (ctrl-c) and then start it again.
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Gradient of n colors ranging from color 1 and color 2
I often work with ggplot2 that makes gradients nice ( click here for an example ). I have a need to work in base and I think scales can be used there to create color gradients as well but I'm severely off the mark on how. The basic goal is generate a palette of n colors that ranges from x colo...