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Difference between partition key, composite key and clustering key in Cassandra?
I have been reading articles around the net to understand the differences between the following key types. But it just seems hard for me to grasp. Examples will definitely help make understanding better.
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What is Normalisation (or Normalization)?
Why do database guys go on about normalisation?
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Detect & Record Audio in Python
I need to capture audio clips as WAV files that I can then pass to another bit of python for processing. The problem is that I need to determine when there is audio present and then record it, stop when it goes silent and then pass that file to the processing module.
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What does the LayoutInflater attachToRoot parameter mean?
The LayoutInflater.inflate documentation isn't exactly clear to me about the purpose of the attachToRoot parameter.
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Bootstrap 3 offset on right not left
In regards to BS 3 if I wanted just a narrow column of content on the right I might use an offset class of 9 and a column of 3.
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Why does the 260 character path length limit exist in Windows?
I have come up against this problem a few times at inopportune moments:
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Why do some functions have underscores “__” before and after the function name?
This "underscoring" seems to occur a lot, and I was wondering if this was a requirement in the Python language, or merely a matter of convention?
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Correct format specifier to print pointer or address?
Which format specifier should I be using to print the address of a variable? I am confused between the below lot.
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Why do you need to create a cursor when querying a sqlite database?
I'm completely new to Python's sqlite3 module (and SQL in general for that matter), and this just completely stumps me. The abundant lack of descriptions of cursor objects (rather, their necessity) also seems odd.
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Build vs new in Rails 3
In the Rails 3 docs , the build method for associations is described as being the same as the new method, but with the automatic assignment of the foreign key. Straight from the docs:
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