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Different ways of adding to Dictionary
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answered Dec 3 '09 at 17:46
SteffenSteffen
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byte[] to file in Java
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523
Use Apache Commons IO
FileUtils.writeByteArrayToFile(new File("pathname"), myByteArray)
Or, i...
How can I get list of values from dict?
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539
Yes it's the exact same thing in Python 2:
d.values()
In Python 3 (where dict.values returns...
Convert numpy array to tuple
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edited Jul 18 '13 at 22:34
answered Apr 4 '12 at 17:35
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How can I filter a Django query with a list of values?
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3 Answers
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Active
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How can you speed up Eclipse?
...riteria which was working six years ago:
The "same" workspace in Indigo (3.7.2) SR2 loads in 4 seconds, in Kepler SR2 (4.3.2) in 7 seconds and in Luna (4.4.0) in 10 seconds. All are Java EE bundles. Newer versions have more bundled plugins, but still the trend is obvious. (by "same" workspace I me...
twitter bootstrap typeahead ajax example
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302
Edit: typeahead is no longer bundled in Bootstrap 3. Check out:
Where is the typeahead JavaS...
How to show SQL queries run in the Rails console?
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Rails 3+
Enter this line in the console:
ActiveRecord::Base.logger = Logger.new(STDOUT)
Rails 2
Enter this line in the console:
ActiveRecord::Base.connection.instance_variable_set :@logger, Logger.new(STDOUT)
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What would cause an algorithm to have O(log n) complexity?
...o have that log2 16 = 4. Hmmm... what about 128?
128 / 2 = 64
64 / 2 = 32
32 / 2 = 16
16 / 2 = 8
8 / 2 = 4
4 / 2 = 2
2 / 2 = 1
This took seven steps, and log2 128 = 7. Is this a coincidence? Nope! There's a good reason for this. Suppose that we divide a number n by 2 i times. Then...