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Why does direction of index matter in MongoDB?
... ascending the index might look something like this:
Row A B
1 1 1
2 2 6
3 2 7
4 3 4
5 3 5
6 3 6
7 5 1
A query for A ascending B descending will need to jump around the index out of order to return the rows and will be slower. For example it will return Row 1, 3, 2...
What does the caret operator (^) in Python do?
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answered Mar 16 '10 at 0:23
ChristopheDChristopheD
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Fastest way to extract frames using ffmpeg?
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edited Jun 9 '12 at 18:28
answered Jun 9 '12 at 15:53
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How can I profile Python code line-by-line?
...cProfile to profile my code, and it's been working great. I also use gprof2dot.py to visualize the results (makes it a little clearer).
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What difference is there between WebClient and HTTPWebRequest classes in .NET?
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243
WebClient is a higher-level abstraction built on top of HttpWebRequest to simplify the most co...
Two-way encryption: I need to store passwords that can be retrieved
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212
+100
Person...
Better way to check variable for null or empty string?
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281
// Function for basic field validation (present and neither empty nor only white space
functio...
Android: Force EditText to remove focus? [duplicate]
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264
You can add this to onCreate and it will hide the keyboard every time the Activity starts.
You...
How to import other Python files?
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Jonathan H
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answered Feb 28 '10 at 3:42
RadianRadian
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